Mercurial > prosody-modules

annotate mod_http_oauth2/mod_http_oauth2.lua @ 5681:8cb3da7df521

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mod_http_oauth2: Restrict introspection to clients own tokens The introspection code was added before the client hash was added in 0860497152af which allows connecting tokens to clients.
author Kim Alvefur <zash@zash.se>
date Sun, 29 Oct 2023 11:20:15 +0100
parents b43c989fb69c
children 527c747711f3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5501
57ce8c4017e7 mod_http_oauth2: Sort imports
Kim Alvefur <zash@zash.se>
parents: 5495
diff changeset
1 local usermanager = require "core.usermanager";
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parents: 5495
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2 local url = require "socket.url";
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3 local array = require "util.array";
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9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
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4 local cache = require "util.cache";
5501
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5 local encodings = require "util.encodings";
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6 local errors = require "util.error";
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7 local hashes = require "util.hashes";
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cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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parents:
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8 local http = require "util.http";
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9 local id = require "util.id";
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10 local it = require "util.iterators";
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parents:
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11 local jid = require "util.jid";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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12 local json = require "util.json";
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13 local schema = require "util.jsonschema";
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14 local jwt = require "util.jwt";
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aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
15 local random = require "util.random";
5209
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
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parents: 5208
diff changeset
16 local set = require "util.set";
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
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17 local st = require "util.stanza";
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18
5501
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parents: 5495
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19 local base64 = encodings.base64;
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20
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df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
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21 local function b64url(s)
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c0a6f39caf47 mod_http_oauth2: Fix missing base64 part of base64url (Thanks KeyCloak)
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22 return (base64.encode(s):gsub("[+/=]", { ["+"] = "-", ["/"] = "_", ["="] = "" }))
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23 end
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24
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25 local function tmap(t)
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26 return function(k)
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27 return t[k];
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28 end
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29 end
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30
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0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters
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31 local function strict_formdecode(query)
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32 if not query then
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33 return nil;
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34 end
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35 local params = http.formdecode(query);
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36 if type(params) ~= "table" then
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37 return nil, "no-pairs";
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38 end
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39 local dups = {};
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40 for _, pair in ipairs(params) do
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41 if dups[pair.name] then
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42 return nil, "duplicate";
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43 end
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44 dups[pair.name] = true;
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45 end
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parents: 5512
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46 return params;
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47 end
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48
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49 local function read_file(base_path, fn, required)
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50 local f, err = io.open(base_path .. "/" .. fn);
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51 if not f then
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52 module:log(required and "error" or "debug", "Unable to load template file: %s", err);
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53 if required then
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54 return error("Failed to load templates");
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55 end
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56 return nil;
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57 end
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58 local data = assert(f:read("*a"));
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
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59 assert(f:close());
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60 return data;
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61 end
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parents: 5207
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62
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90449babaa48 mod_http_oauth2: Make allowed locales configurable
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parents: 5553
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63 local allowed_locales = module:get_option_array("allowed_oauth2_locales", {});
90449babaa48 mod_http_oauth2: Make allowed locales configurable
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parents: 5553
diff changeset
64 -- TODO Allow translations or per-locale templates somehow.
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65
5208
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66 local template_path = module:get_option_path("oauth2_template_path", "html");
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parents: 5207
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67 local templates = {
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parents: 5207
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68 login = read_file(template_path, "login.html", true);
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parents: 5207
diff changeset
69 consent = read_file(template_path, "consent.html", true);
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parents: 5480
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70 oob = read_file(template_path, "oob.html", true);
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parents: 5580
diff changeset
71 device = read_file(template_path, "device.html", true);
5208
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parents: 5207
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72 error = read_file(template_path, "error.html", true);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
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parents: 5207
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73 css = read_file(template_path, "style.css");
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74 js = read_file(template_path, "script.js");
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75 };
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76
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parents: 5207
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77 local site_name = module:get_option_string("site_name", module.host);
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parents: 5207
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78
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parents: 5544
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79 local security_policy = module:get_option_string("oauth2_security_policy", "default-src 'self'");
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parents: 5544
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80
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parents: 5526
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81 local render_html = require"util.interpolation".new("%b{}", st.xml_escape);
5208
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82 local function render_page(template, data, sensitive)
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83 data = data or {};
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84 data.site_name = site_name;
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parents: 5207
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85 local resp = {
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86 status_code = data.error and data.error.code or 200;
5208
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87 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
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88 ["Content-Type"] = "text/html; charset=utf-8";
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parents: 5544
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89 ["Content-Security-Policy"] = security_policy;
5479
30e2722c9fa3 mod_http_oauth2: Disable Referrer via header
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parents: 5478
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90 ["Referrer-Policy"] = "no-referrer";
5208
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91 ["X-Frame-Options"] = "DENY";
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parents: 5207
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92 ["Cache-Control"] = (sensitive and "no-store" or "no-cache")..", private";
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
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parents: 5502
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93 ["Pragma"] = "no-cache";
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94 };
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95 body = render_html(template, data);
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96 };
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97 return resp;
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98 end
3903
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Matthew Wild <mwild1@gmail.com>
parents:
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99
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parents: 5501
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100 local authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
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parents: 5501
diff changeset
101
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80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4
Matthew Wild <mwild1@gmail.com>
parents: 3908
diff changeset
102 local tokens = module:depends("tokenauth");
3908
8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens
Matthew Wild <mwild1@gmail.com>
parents: 3903
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103
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d8622797e315 mod_http_oauth2: Shorten default token validity periods
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parents: 5616
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104 local default_access_ttl = module:get_option_number("oauth2_access_token_ttl", 3600);
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Kim Alvefur <zash@zash.se>
parents: 5618
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105 local default_refresh_ttl = module:get_option_number("oauth2_refresh_token_ttl", 604800);
5279
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Matthew Wild <mwild1@gmail.com>
parents: 5278
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106
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parents: 5192
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107 -- Used to derive client_secret from client_id, set to enable stateless dynamic registration.
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parents: 5192
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108 local registration_key = module:get_option_string("oauth2_registration_key");
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parents: 5192
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109 local registration_algo = module:get_option_string("oauth2_registration_algorithm", "HS256");
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parents: 5409
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110 local registration_ttl = module:get_option("oauth2_registration_ttl", nil);
2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients
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parents: 5409
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111 local registration_options = module:get_option("oauth2_registration_options",
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parents: 5409
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112 { default_ttl = registration_ttl; accept_expired = not registration_ttl });
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parents: 5192
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113
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parents: 5382
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114 local pkce_required = module:get_option_boolean("oauth2_require_code_challenge", false);
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parents: 5382
diff changeset
115
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parents: 5198
diff changeset
116 local verification_key;
5459
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parents: 5458
diff changeset
117 local sign_client, verify_client;
5196
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parents: 5195
diff changeset
118 if registration_key then
5193
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parents: 5192
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119 -- Tie it to the host if global
5199
f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key
Kim Alvefur <zash@zash.se>
parents: 5198
diff changeset
120 verification_key = hashes.hmac_sha256(registration_key, module.host);
5459
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parents: 5458
diff changeset
121 sign_client, verify_client = jwt.init(registration_algo, registration_key, registration_key, registration_options);
5193
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parents: 5192
diff changeset
122 end
4256
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Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
123
5589
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parents: 5580
diff changeset
124 local new_device_token, verify_device_token = jwt.init("HS256", random.bytes(32), nil, { default_ttl = 600 });
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parents: 5580
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125
5510
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
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parents: 5509
diff changeset
126 -- verify and prepare client structure
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
127 local function check_client(client_id)
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
128 if not verify_client then
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
129 return nil, "client-registration-not-enabled";
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
130 end
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
131
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
132 local ok, client = verify_client(client_id);
5511
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
133 if not ok then
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
134 return ok, client;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
135 end
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
136
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
137 client.client_hash = b64url(hashes.sha256(client_id));
5510
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
138 return client;
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
139 end
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
140
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
141 local purpose_map = { ["oauth2-refresh"] = "refresh_token"; ["oauth"] = "access_token" };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
142
5449
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
143 -- scope : string | array | set
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
144 --
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
145 -- at each step, allow the same or a subset of scopes
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
146 -- (all ( client ( grant ( token ) ) ))
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
147 -- preserve order since it determines role if more than one granted
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
148
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
149 -- string -> array
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
150 local function parse_scopes(scope_string)
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
151 return array(scope_string:gmatch("%S+"));
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
152 end
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
153
5502
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
154 local openid_claims = set.new();
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
155 module:add_item("openid-claim", "openid");
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
156
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
157 module:handle_items("openid-claim", function(event)
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
158 authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
159 openid_claims:add(event.item);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
160 end, function()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
161 authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
162 openid_claims = set.new(module:get_host_items("openid-claim"));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
163 end, true);
5337
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
164
5449
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
165 -- array -> array, array, array
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
166 local function split_scopes(scope_list)
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
167 local claims, roles, unknown = array(), array(), array();
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
168 local all_roles = usermanager.get_all_roles(module.host);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
169 for _, scope in ipairs(scope_list) do
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
170 if openid_claims:contains(scope) then
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
171 claims:push(scope);
5467
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
172 elseif scope == "xmpp" or all_roles[scope] then
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
173 roles:push(scope);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
174 else
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
175 unknown:push(scope);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
176 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
177 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
178 return claims, roles, unknown;
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
179 end
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
180
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
181 local function can_assume_role(username, requested_role)
5467
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
182 return requested_role == "xmpp" or usermanager.user_can_assume_role(username, module.host, requested_role);
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
183 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
184
5449
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
185 -- function (string) : function(string) : boolean
5427
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
186 local function role_assumable_by(username)
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
187 return function(role)
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
188 return can_assume_role(username, role);
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
189 end
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
190 end
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
191
5449
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
192 -- string, array --> array
5426
f75d95f27da7 mod_http_oauth2: Add function for filtering roles
Kim Alvefur <zash@zash.se>
parents: 5425
diff changeset
193 local function user_assumable_roles(username, requested_roles)
5427
d69c10327d6d mod_http_oauth2: More functional functions
Kim Alvefur <zash@zash.se>
parents: 5426
diff changeset
194 return array.filter(requested_roles, role_assumable_by(username));
5426
f75d95f27da7 mod_http_oauth2: Add function for filtering roles
Kim Alvefur <zash@zash.se>
parents: 5425
diff changeset
195 end
f75d95f27da7 mod_http_oauth2: Add function for filtering roles
Kim Alvefur <zash@zash.se>
parents: 5425
diff changeset
196
5449
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions
Kim Alvefur <zash@zash.se>
parents: 5448
diff changeset
197 -- string, string|nil --> string, string
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
198 local function filter_scopes(username, requested_scope_string)
5428
07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions
Kim Alvefur <zash@zash.se>
parents: 5427
diff changeset
199 local requested_scopes, requested_roles = split_scopes(parse_scopes(requested_scope_string or ""));
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
200
5428
07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions
Kim Alvefur <zash@zash.se>
parents: 5427
diff changeset
201 local granted_roles = user_assumable_roles(username, requested_roles);
07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions
Kim Alvefur <zash@zash.se>
parents: 5427
diff changeset
202 local granted_scopes = requested_scopes + granted_roles;
5417
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions
Kim Alvefur <zash@zash.se>
parents: 5416
diff changeset
203
5428
07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions
Kim Alvefur <zash@zash.se>
parents: 5427
diff changeset
204 local selected_role = granted_roles[1];
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
205
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
206 return granted_scopes:concat(" "), selected_role;
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
207 end
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
208
5213
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
209 local function code_expires_in(code) --> number, seconds until code expires
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
210 return os.difftime(code.expires, os.time());
4669
d3434fd151b5 mod_http_oauth2: Optimize cleanup timer
Kim Alvefur <zash@zash.se>
parents: 4370
diff changeset
211 end
d3434fd151b5 mod_http_oauth2: Optimize cleanup timer
Kim Alvefur <zash@zash.se>
parents: 4370
diff changeset
212
5213
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
213 local function code_expired(code) --> boolean, true: has expired, false: still valid
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
214 return code_expires_in(code) < 0;
4269
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision
Kim Alvefur <zash@zash.se>
parents: 4265
diff changeset
215 end
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision
Kim Alvefur <zash@zash.se>
parents: 4265
diff changeset
216
4271
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
217 local codes = cache.new(10000, function (_, code)
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
218 return code_expired(code)
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
219 end);
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
220
5618
869c01d91aea mod_http_oauth2: Clean cache less frequently
Kim Alvefur <zash@zash.se>
parents: 5617
diff changeset
221 -- Clear out unredeemed codes so they don't linger in memory.
869c01d91aea mod_http_oauth2: Clean cache less frequently
Kim Alvefur <zash@zash.se>
parents: 5617
diff changeset
222 module:daily("Clear expired authorization codes", function()
4272
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
223 local k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
224 while code and code_expired(code) do
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
225 codes:set(k, nil);
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
226 k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
227 end
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
228 end)
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
229
5207
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
230 local function get_issuer()
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
231 return (module:http_url(nil, "/"):gsub("/$", ""));
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
232 end
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
233
5458
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
234 -- Non-standard special redirect URI that has the AS show the authorization
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
235 -- code to the user for them to copy-paste into the client, which can then
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
236 -- continue as if it received it via redirect.
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
237 local oob_uri = "urn:ietf:wg:oauth:2.0:oob";
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
238 local device_uri = "urn:ietf:params:oauth:grant-type:device_code";
5458
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
239
5209
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
240 local loopbacks = set.new({ "localhost", "127.0.0.1", "::1" });
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
241
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242 local function oauth_error(err_name, err_desc)
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 return errors.new({
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244 type = "modify";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
245 condition = "bad-request";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
246 code = err_name == "invalid_client" and 401 or 400;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
247 text = err_desc and (err_name..": "..err_desc) or err_name;
4276
ec33b3b1136c mod_http_oauth2: Fix passing OAuth-specific error details
Kim Alvefur <zash@zash.se>
parents: 4272
diff changeset
248 extra = { oauth2_response = { error = err_name, error_description = err_desc } };
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
249 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
250 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
251
5248
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
252 -- client_id / client_metadata are pretty large, filter out a subset of
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
253 -- properties that are deemed useful e.g. in case tokens issued to a certain
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
254 -- client needs to be revoked
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
255 local function client_subset(client)
5511
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
256 return {
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
257 name = client.client_name;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
258 uri = client.client_uri;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
259 id = client.software_id;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
260 version = client.software_version;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
261 hash = client.client_hash;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification
Kim Alvefur <zash@zash.se>
parents: 5510
diff changeset
262 };
5248
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
263 end
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
264
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
265 local function new_access_token(token_jid, role, scope_string, client, id_token, refresh_token_info)
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
266 local token_data = { oauth2_scopes = scope_string, oauth2_client = nil };
5248
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
267 if client then
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
268 token_data.oauth2_client = client_subset(client);
5248
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
269 end
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
270 if next(token_data) == nil then
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
271 token_data = nil;
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
272 end
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
273
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
274 local grant = refresh_token_info and refresh_token_info.grant;
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
275 if not grant then
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
276 -- No existing grant, create one
5646
d67980d9e12d mod_http_oauth2: Apply refresh token ttl to refresh token instead of grant
Kim Alvefur <zash@zash.se>
parents: 5643
diff changeset
277 grant = tokens.create_grant(token_jid, token_jid, nil, token_data);
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
278 end
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
279
5616
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
280 if refresh_token_info then
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
281 -- out with the old refresh tokens
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
282 local ok, err = tokens.revoke_token(refresh_token_info.token);
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
283 if not ok then
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
284 module:log("error", "Could not revoke refresh token: %s", err);
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
285 return 500;
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
286 end
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
287 end
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
288 -- in with the new refresh token
5646
d67980d9e12d mod_http_oauth2: Apply refresh token ttl to refresh token instead of grant
Kim Alvefur <zash@zash.se>
parents: 5643
diff changeset
289 local refresh_token = refresh_token_info ~= false and tokens.create_token(token_jid, grant.id, nil, default_refresh_ttl, "oauth2-refresh");
5616
59d5fc50f602 mod_http_oauth2: Implement refresh token rotation
Kim Alvefur <zash@zash.se>
parents: 5614
diff changeset
290
5467
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
291 if role == "xmpp" then
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
292 -- Special scope meaning the users default role.
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
293 local user_default_role = usermanager.get_user_role(jid.node(token_jid), module.host);
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
294 role = user_default_role and user_default_role.name;
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
295 end
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role
Kim Alvefur <zash@zash.se>
parents: 5466
diff changeset
296
5451
6705f2a09702 mod_http_oauth2: Reference grant by id instead of value
Kim Alvefur <zash@zash.se>
parents: 5450
diff changeset
297 local access_token, access_token_info = tokens.create_token(token_jid, grant.id, role, default_access_ttl, "oauth2");
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
298
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
299 local expires_at = access_token_info.expires;
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
300 return {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
301 token_type = "bearer";
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
302 access_token = access_token;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
303 expires_in = expires_at and (expires_at - os.time()) or nil;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
304 scope = scope_string;
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
305 id_token = id_token;
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
306 refresh_token = refresh_token or nil;
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
307 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
308 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
309
5461
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
310 local function normalize_loopback(uri)
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
311 local u = url.parse(uri);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
312 if u.scheme == "http" and loopbacks:contains(u.host) then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
313 u.authority = nil;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
314 u.host = "::1";
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
315 u.port = nil;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
316 return url.build(u);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
317 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
318 -- else, not a valid loopback uri
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
319 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
320
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
321 local function get_redirect_uri(client, query_redirect_uri) -- record client, string : string
5219
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
322 if not query_redirect_uri then
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
323 if #client.redirect_uris ~= 1 then
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
324 -- Client registered multiple URIs, it needs specify which one to use
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
325 return;
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
326 end
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
327 -- When only a single URI is registered, that's the default
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
328 return client.redirect_uris[1];
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
329 end
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
330 if query_redirect_uri == device_uri and client.grant_types then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
331 for _, grant_type in ipairs(client.grant_types) do
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
332 if grant_type == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
333 return query_redirect_uri;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
334 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
335 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
336 -- Tried to use device authorization flow without registering it.
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
337 return;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
338 end
5219
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
339 -- Verify the client-provided URI matches one previously registered
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
340 for _, redirect_uri in ipairs(client.redirect_uris) do
5219
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
341 if query_redirect_uri == redirect_uri then
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
342 return redirect_uri
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
343 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
344 end
5461
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
345 -- The authorization server MUST allow any port to be specified at the time
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
346 -- of the request for loopback IP redirect URIs, to accommodate clients that
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
347 -- obtain an available ephemeral port from the operating system at the time
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
348 -- of the request.
5460
c0d62c1b4424 mod_http_oauth2: Add FIXME about loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5459
diff changeset
349 -- https://www.ietf.org/archive/id/draft-ietf-oauth-v2-1-08.html#section-8.4.2
5461
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
350 local loopback_redirect_uri = normalize_loopback(query_redirect_uri);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
351 if loopback_redirect_uri then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
352 for _, redirect_uri in ipairs(client.redirect_uris) do
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
353 if loopback_redirect_uri == normalize_loopback(redirect_uri) then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
354 return query_redirect_uri;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
355 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
356 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5460
diff changeset
357 end
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
358 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
359
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
360 local grant_type_handlers = {};
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
361 local response_type_handlers = {};
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
362 local verifier_transforms = {};
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
363
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
364 function grant_type_handlers.implicit()
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
365 -- Placeholder to make discovery work correctly.
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
366 -- Access tokens are delivered via redirect when using the implict flow, not
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
367 -- via the token endpoint, so how did you get here?
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
368 return oauth_error("invalid_request");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
369 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
370
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
371 function grant_type_handlers.password(params)
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
372 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
373 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
3919
8ed261a08a9c mod_http_oauth2: Allow creation of full JID tokens
Kim Alvefur <zash@zash.se>
parents: 3918
diff changeset
374 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
375
3908
8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens
Matthew Wild <mwild1@gmail.com>
parents: 3903
diff changeset
376 if not (request_username and request_host) or request_host ~= module.host then
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
377 return oauth_error("invalid_request", "invalid JID");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
378 end
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
379 if not usermanager.test_password(request_username, request_host, request_password) then
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
380 return oauth_error("invalid_grant", "incorrect credentials");
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
381 end
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
382
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
383 local granted_jid = jid.join(request_username, request_host, request_resource);
5256
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
384 local granted_scopes, granted_role = filter_scopes(request_username, params.scope);
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
385 return json.encode(new_access_token(granted_jid, granted_role, granted_scopes, nil));
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
386 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
387
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
388 function response_type_handlers.code(client, params, granted_jid, id_token)
5191
f5a58cbe86e4 mod_http_oauth2: Derive scope from correct user details
Kim Alvefur <zash@zash.se>
parents: 5190
diff changeset
389 local request_username, request_host = jid.split(granted_jid);
5256
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
390 if not request_host or request_host ~= module.host then
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
391 return oauth_error("invalid_request", "invalid JID");
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
392 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
393 local granted_scopes, granted_role = filter_scopes(request_username, params.scope);
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
394
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
395 if pkce_required and not params.code_challenge then
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
396 return oauth_error("invalid_request", "PKCE required");
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
397 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
398
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
399 local prefix = "authorization_code:";
5243
d5dc8edb2695 mod_http_oauth2: Use more compact IDs
Kim Alvefur <zash@zash.se>
parents: 5242
diff changeset
400 local code = id.medium();
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
401 if params.redirect_uri == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
402 local is_device, device_state = verify_device_token(params.state);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
403 if is_device then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
404 -- reconstruct the device_code
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
405 prefix = "device_code:";
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
406 code = b64url(hashes.hmac_sha256(verification_key, device_state.user_code));
5628
9aace51c3637 mod_http_oauth2: Bail on invalid or expired device flow state token
Kim Alvefur <zash@zash.se>
parents: 5626
diff changeset
407 else
9aace51c3637 mod_http_oauth2: Bail on invalid or expired device flow state token
Kim Alvefur <zash@zash.se>
parents: 5626
diff changeset
408 return oauth_error("invalid_request");
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
409 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
410 end
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
411 local ok = codes:set(prefix.. params.client_id .. "#" .. code, {
5213
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
412 expires = os.time() + 600;
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
413 granted_jid = granted_jid;
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
414 granted_scopes = granted_scopes;
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
415 granted_role = granted_role;
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
416 challenge = params.code_challenge;
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
417 challenge_method = params.code_challenge_method;
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
418 id_token = id_token;
4670
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
419 });
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
420 if not ok then
5476
575f52b15f5a mod_http_oauth2: Return OAuth error for authz code store error
Kim Alvefur <zash@zash.se>
parents: 5475
diff changeset
421 return oauth_error("temporarily_unavailable");
4670
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
422 end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
423
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
424 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
5458
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
425 if redirect_uri == oob_uri then
5495
7998b49d6512 mod_http_oauth2: Create proper template for OOB code delivery
Kim Alvefur <zash@zash.se>
parents: 5480
diff changeset
426 return render_page(templates.oob, { client = client; authorization_code = code }, true);
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
427 elseif redirect_uri == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
428 return render_page(templates.device, { client = client }, true);
5219
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
429 elseif not redirect_uri then
5462
f6d8830a83fe mod_http_oauth2: Return proper OAuth error for invalid redirect URI
Kim Alvefur <zash@zash.se>
parents: 5461
diff changeset
430 return oauth_error("invalid_redirect_uri");
5188
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
431 end
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
432
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
433 local redirect = url.parse(redirect_uri);
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
434
5513
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters
Kim Alvefur <zash@zash.se>
parents: 5512
diff changeset
435 local query = strict_formdecode(redirect.query);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
436 if type(query) ~= "table" then query = {}; end
5192
03aa9baa9ac3 mod_http_oauth2: Add support for 'iss' authz response parameter (RFC 9207)
Matthew Wild <mwild1@gmail.com>
parents: 5191
diff changeset
437 table.insert(query, { name = "code", value = code });
5207
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
438 table.insert(query, { name = "iss", value = get_issuer() });
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
439 if params.state then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
440 table.insert(query, { name = "state", value = params.state });
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
441 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
442 redirect.query = http.formencode(query);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
443
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
444 return {
5210
898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects
Matthew Wild <mwild1@gmail.com>
parents: 5209
diff changeset
445 status_code = 303;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
446 headers = {
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
447 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
448 pragma = "no-cache";
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
449 location = url.build(redirect);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
450 };
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
451 }
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
452 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
453
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
454 -- Implicit flow
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
455 function response_type_handlers.token(client, params, granted_jid)
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
456 local request_username, request_host = jid.split(granted_jid);
5256
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
457 if not request_host or request_host ~= module.host then
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
458 return oauth_error("invalid_request", "invalid JID");
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
459 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
460 local granted_scopes, granted_role = filter_scopes(request_username, params.scope);
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
461 local token_info = new_access_token(granted_jid, granted_role, granted_scopes, client, nil);
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
462
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
463 local redirect = url.parse(get_redirect_uri(client, params.redirect_uri));
5463
dacde53467f3 mod_http_oauth2: Proper OAuth error for invalid redirect URI in implicit flow too
Kim Alvefur <zash@zash.se>
parents: 5462
diff changeset
464 if not redirect then return oauth_error("invalid_redirect_uri"); end
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
465 token_info.state = params.state;
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
466 redirect.fragment = http.formencode(token_info);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
467
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
468 return {
5210
898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects
Matthew Wild <mwild1@gmail.com>
parents: 5209
diff changeset
469 status_code = 303;
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
470 headers = {
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
471 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
472 pragma = "no-cache";
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
473 location = url.build(redirect);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
474 };
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
475 }
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
476 end
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
477
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
478 local function make_client_secret(client_id) --> client_secret
5199
f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key
Kim Alvefur <zash@zash.se>
parents: 5198
diff changeset
479 return hashes.hmac_sha256(verification_key, client_id, true);
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
480 end
4263
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
481
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
482 local function verify_client_secret(client_id, client_secret)
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
483 return hashes.equals(make_client_secret(client_id), client_secret);
4263
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
484 end
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
485
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
486 function grant_type_handlers.authorization_code(params)
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
487 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
488 if not params.client_secret then return oauth_error("invalid_request", "missing 'client_secret'"); end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
489 if not params.code then return oauth_error("invalid_request", "missing 'code'"); end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
490 if params.scope and params.scope ~= "" then
5450
d2594bbf7c36 mod_http_oauth2: Scope FIXMEs
Kim Alvefur <zash@zash.se>
parents: 5449
diff changeset
491 -- FIXME allow a subset of granted scopes
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
492 return oauth_error("invalid_scope", "unknown scope requested");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
493 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
494
5510
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
495 local client = check_client(params.client_id);
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
496 if not client then
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
497 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
498 end
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
499
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
500 if not verify_client_secret(params.client_id, params.client_secret) then
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
501 module:log("debug", "client_secret mismatch");
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
502 return oauth_error("invalid_client", "incorrect credentials");
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
503 end
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
504 local code, err = codes:get("authorization_code:" .. params.client_id .. "#" .. params.code);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
505 if err then error(err); end
5214
d5492bc861f6 mod_http_oauth2: Remove authorization codes after use
Kim Alvefur <zash@zash.se>
parents: 5213
diff changeset
506 -- MUST NOT use the authorization code more than once, so remove it to
d5492bc861f6 mod_http_oauth2: Remove authorization codes after use
Kim Alvefur <zash@zash.se>
parents: 5213
diff changeset
507 -- prevent a second attempted use
5550
4fda06be6b08 mod_http_oauth2: Make note about handling repeated
Kim Alvefur <zash@zash.se>
parents: 5549
diff changeset
508 -- TODO if a second attempt *is* made, revoke any tokens issued
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
509 codes:set("authorization_code:" .. params.client_id .. "#" .. params.code, nil);
4269
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision
Kim Alvefur <zash@zash.se>
parents: 4265
diff changeset
510 if not code or type(code) ~= "table" or code_expired(code) then
4260
c539334dd01a mod_http_oauth2: Rescope oauth client config into users' storage
Kim Alvefur <zash@zash.se>
parents: 4259
diff changeset
511 module:log("debug", "authorization_code invalid or expired: %q", code);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
512 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
513 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
514
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
515 -- TODO Decide if the code should be removed or not when PKCE fails
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
516 local transform = verifier_transforms[code.challenge_method or "plain"];
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
517 if not transform then
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
518 return oauth_error("invalid_request", "unknown challenge transform method");
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
519 elseif transform(params.code_verifier) ~= code.challenge then
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
520 return oauth_error("invalid_grant", "incorrect credentials");
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
521 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
522
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
523 return json.encode(new_access_token(code.granted_jid, code.granted_role, code.granted_scopes, client, code.id_token));
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
524 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
525
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
526 function grant_type_handlers.refresh_token(params)
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
527 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
528 if not params.client_secret then return oauth_error("invalid_request", "missing 'client_secret'"); end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
529 if not params.refresh_token then return oauth_error("invalid_request", "missing 'refresh_token'"); end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
530
5510
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
531 local client = check_client(params.client_id);
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
532 if not client then
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
533 return oauth_error("invalid_client", "incorrect credentials");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
534 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
535
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
536 if not verify_client_secret(params.client_id, params.client_secret) then
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
537 module:log("debug", "client_secret mismatch");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
538 return oauth_error("invalid_client", "incorrect credentials");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
539 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
540
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
541 local refresh_token_info = tokens.get_token_info(params.refresh_token);
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
542 if not refresh_token_info or refresh_token_info.purpose ~= "oauth2-refresh" then
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
543 return oauth_error("invalid_grant", "invalid refresh token");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
544 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
545
5512
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
546 local refresh_token_client = refresh_token_info.grant.data.oauth2_client;
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
547 if not refresh_token_client.hash or refresh_token_client.hash ~= client.client_hash then
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
548 module:log("warn", "OAuth client %q (%s) tried to use refresh token belonging to %q (%s)", client.client_name, client.client_hash,
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
549 refresh_token_client.name, refresh_token_client.hash);
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
550 return oauth_error("unauthorized_client", "incorrect credentials");
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
551 end
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client
Kim Alvefur <zash@zash.se>
parents: 5511
diff changeset
552
5446
dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens
Kim Alvefur <zash@zash.se>
parents: 5445
diff changeset
553 local refresh_scopes = refresh_token_info.grant.data.oauth2_scopes;
5448
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
554
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
555 if params.scope then
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
556 local granted_scopes = set.new(parse_scopes(refresh_scopes));
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
557 local requested_scopes = parse_scopes(params.scope);
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
558 refresh_scopes = array.filter(requested_scopes, function(scope)
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
559 return granted_scopes:contains(scope);
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
560 end):concat(" ");
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
561 end
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
562
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
563 local username = jid.split(refresh_token_info.jid);
5446
dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens
Kim Alvefur <zash@zash.se>
parents: 5445
diff changeset
564 local new_scopes, role = filter_scopes(username, refresh_scopes);
dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens
Kim Alvefur <zash@zash.se>
parents: 5445
diff changeset
565
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
566 -- new_access_token() requires the actual token
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
567 refresh_token_info.token = params.refresh_token;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
568
5448
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh
Kim Alvefur <zash@zash.se>
parents: 5447
diff changeset
569 return json.encode(new_access_token(refresh_token_info.jid, role, new_scopes, client, nil, refresh_token_info));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
570 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
571
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
572 grant_type_handlers[device_uri] = function(params)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
573 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
574 if not params.client_secret then return oauth_error("invalid_request", "missing 'client_secret'"); end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
575 if not params.device_code then return oauth_error("invalid_request", "missing 'device_code'"); end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
576
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
577 local client = check_client(params.client_id);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
578 if not client then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
579 return oauth_error("invalid_client", "incorrect credentials");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
580 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
581
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
582 if not verify_client_secret(params.client_id, params.client_secret) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
583 module:log("debug", "client_secret mismatch");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
584 return oauth_error("invalid_client", "incorrect credentials");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
585 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
586
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
587 local code = codes:get("device_code:" .. params.client_id .. "#" .. params.device_code);
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
588 if type(code) ~= "table" or code_expired(code) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
589 return oauth_error("expired_token");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
590 elseif code.error then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
591 return code.error;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
592 elseif not code.granted_jid then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
593 return oauth_error("authorization_pending");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
594 end
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
595 codes:set("device_code:" .. params.client_id .. "#" .. params.device_code, nil);
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
596
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
597 return json.encode(new_access_token(code.granted_jid, code.granted_role, code.granted_scopes, client, code.id_token));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
598 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
599
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
600 -- RFC 7636 Proof Key for Code Exchange by OAuth Public Clients
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
601
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
602 function verifier_transforms.plain(code_verifier)
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
603 -- code_challenge = code_verifier
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
604 return code_verifier;
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
605 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
606
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
607 function verifier_transforms.S256(code_verifier)
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
608 -- code_challenge = BASE64URL-ENCODE(SHA256(ASCII(code_verifier)))
5391
4aedce4fb95d mod_http_oauth2: Fix accidental uppercase in invocation of hash function
Kim Alvefur <zash@zash.se>
parents: 5390
diff changeset
609 return code_verifier and b64url(hashes.sha256(code_verifier));
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
610 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
611
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
612 -- Used to issue/verify short-lived tokens for the authorization process below
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
613 local new_user_token, verify_user_token = jwt.init("HS256", random.bytes(32), nil, { default_ttl = 600 });
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
614
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
615 -- From the given request, figure out if the user is authenticated and has granted consent yet
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
616 -- As this requires multiple steps (seek credentials, seek consent), we have a lot of state to
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
617 -- carry around across requests. We also need to protect against CSRF and session mix-up attacks
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
618 -- (e.g. the user may have multiple concurrent flows in progress, session cookies aren't unique
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
619 -- to one of them).
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
620 -- Our strategy here is to preserve the original query string (containing the authz request), and
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
621 -- encode the rest of the flow in form POSTs.
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
622 local function get_auth_state(request)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
623 local form = request.method == "POST"
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
624 and request.body
5276
67777cb7353d mod_http_oauth2: Pedantic optimization
Kim Alvefur <zash@zash.se>
parents: 5273
diff changeset
625 and request.body ~= ""
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
626 and request.headers.content_type == "application/x-www-form-urlencoded"
5514
61b8d3eb91a4 mod_http_oauth2: Revert strict form check to allow consent of multiple scopes
Kim Alvefur <zash@zash.se>
parents: 5513
diff changeset
627 and http.formdecode(request.body);
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
628
5277
a1055024b94e mod_http_oauth2: Stricten check of urlencoded form data
Kim Alvefur <zash@zash.se>
parents: 5276
diff changeset
629 if type(form) ~= "table" then return {}; end
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
630
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
631 if not form.user_token then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
632 -- First step: login
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
633 local username = encodings.stringprep.nodeprep(form.username);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
634 local password = encodings.stringprep.saslprep(form.password);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
635 if not (username and password) or not usermanager.test_password(username, module.host, password) then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
636 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
637 error = "Invalid username/password";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
638 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
639 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
640 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
641 user = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
642 username = username;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
643 host = module.host;
5665
bbde136a4c29 mod_http_oauth2: Include 'amr' claim in ID Token
Kim Alvefur <zash@zash.se>
parents: 5646
diff changeset
644 token = new_user_token({ username = username; host = module.host; auth_time = os.time(); amr = { "pwd" } });
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
645 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
646 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
647 elseif form.user_token and form.consent then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
648 -- Second step: consent
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
649 local ok, user = verify_user_token(form.user_token);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
650 if not ok then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
651 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
652 error = user == "token-expired" and "Session expired - try again" or nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
653 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
654 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
655
5447
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
656 local scopes = array():append(form):filter(function(field)
5424
b45d9a81b3da mod_http_oauth2: Revert role selector, going to try something else
Kim Alvefur <zash@zash.se>
parents: 5423
diff changeset
657 return field.name == "scope";
5447
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
658 end):pluck("value");
5271
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
659
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
660 user.token = form.user_token;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
661 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
662 user = user;
5447
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
663 scopes = scopes;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
664 consent = form.consent == "granted";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
665 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
666 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
667
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
668 return {};
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
669 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
670
5222
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
671 local function get_request_credentials(request)
5224
cd5cf4cc6304 mod_http_oauth2: Fail early when no authorization header present
Matthew Wild <mwild1@gmail.com>
parents: 5223
diff changeset
672 if not request.headers.authorization then return; end
cd5cf4cc6304 mod_http_oauth2: Fail early when no authorization header present
Matthew Wild <mwild1@gmail.com>
parents: 5223
diff changeset
673
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
674 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
675
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
676 if auth_type == "Basic" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
677 local creds = base64.decode(auth_data);
5222
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
678 if not creds then return; end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
679 local username, password = string.match(creds, "^([^:]+):(.*)$");
5222
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
680 if not username then return; end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
681 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
682 type = "basic";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
683 username = username;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
684 password = password;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
685 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
686 elseif auth_type == "Bearer" then
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
687 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
688 type = "bearer";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
689 bearer_token = auth_data;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
690 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
691 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
692
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
693 return nil;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
694 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
695
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
696 if module:get_host_type() == "component" then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
697 local component_secret = assert(module:get_option_string("component_secret"), "'component_secret' is a required setting when loaded on a Component");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
698
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
699 function grant_type_handlers.password(params)
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
700 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
701 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
702 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
703 if params.scope then
5450
d2594bbf7c36 mod_http_oauth2: Scope FIXMEs
Kim Alvefur <zash@zash.se>
parents: 5449
diff changeset
704 -- TODO shouldn't we support scopes / roles here?
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
705 return oauth_error("invalid_scope", "unknown scope requested");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
706 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
707 if not request_host or request_host ~= module.host then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
708 return oauth_error("invalid_request", "invalid JID");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
709 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
710 if request_password == component_secret then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
711 local granted_jid = jid.join(request_username, request_host, request_resource);
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
712 return json.encode(new_access_token(granted_jid, nil, nil, nil));
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
713 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
714 return oauth_error("invalid_grant", "incorrect credentials");
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
715 end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
716
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
717 -- TODO How would this make sense with components?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
718 -- Have an admin authenticate maybe?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
719 response_type_handlers.code = nil;
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
720 response_type_handlers.token = nil;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
721 grant_type_handlers.authorization_code = nil;
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
722 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
723
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
724 local function render_error(err)
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
725 return render_page(templates.error, { error = err });
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
726 end
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
727
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
728 -- OAuth errors should be returned to the client if possible, i.e. by
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
729 -- appending the error information to the redirect_uri and sending the
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
730 -- redirect to the user-agent. In some cases we can't do this, e.g. if
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
731 -- the redirect_uri is missing or invalid. In those cases, we render an
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
732 -- error directly to the user-agent.
5477
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
733 local function error_response(request, redirect_uri, err)
5478
af105c7a24b2 mod_http_oauth2: Always render errors as HTML for OOB redirect URI
Kim Alvefur <zash@zash.se>
parents: 5477
diff changeset
734 if not redirect_uri or redirect_uri == oob_uri then
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
735 return render_error(err);
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
736 end
5513
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters
Kim Alvefur <zash@zash.se>
parents: 5512
diff changeset
737 local q = strict_formdecode(request.url.query);
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
738 local redirect_query = url.parse(redirect_uri);
5229
c24a622a7b85 mod_http_oauth2: Fix appending of query parts in error redirects
Kim Alvefur <zash@zash.se>
parents: 5228
diff changeset
739 local sep = redirect_query.query and "&" or "?";
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
740 redirect_uri = redirect_uri
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
741 .. sep .. http.formencode(err.extra.oauth2_response)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
742 .. "&" .. http.formencode({ state = q.state, iss = get_issuer() });
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
743 module:log("warn", "Sending error response to client via redirect to %s", redirect_uri);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
744 return {
5210
898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects
Matthew Wild <mwild1@gmail.com>
parents: 5209
diff changeset
745 status_code = 303;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
746 headers = {
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
747 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
748 pragma = "no-cache";
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
749 location = redirect_uri;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
750 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
751 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
752 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
753
5549
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant
Kim Alvefur <zash@zash.se>
parents: 5548
diff changeset
754 local allowed_grant_type_handlers = module:get_option_set("allowed_oauth2_grant_types", {
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant
Kim Alvefur <zash@zash.se>
parents: 5548
diff changeset
755 "authorization_code";
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant
Kim Alvefur <zash@zash.se>
parents: 5548
diff changeset
756 "password"; -- TODO Disable. The resource owner password credentials grant [RFC6749] MUST NOT be used.
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant
Kim Alvefur <zash@zash.se>
parents: 5548
diff changeset
757 "refresh_token";
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
758 device_uri;
5549
01a0b67a9afd mod_http_oauth2: Add TODO about disabling password grant
Kim Alvefur <zash@zash.se>
parents: 5548
diff changeset
759 })
5614
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config
Kim Alvefur <zash@zash.se>
parents: 5608
diff changeset
760 if allowed_grant_type_handlers:contains("device_code") then
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config
Kim Alvefur <zash@zash.se>
parents: 5608
diff changeset
761 -- expand short form because that URI is long
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config
Kim Alvefur <zash@zash.se>
parents: 5608
diff changeset
762 module:log("debug", "Expanding %q to %q in '%s'", "device_code", device_uri, "allowed_oauth2_grant_types");
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config
Kim Alvefur <zash@zash.se>
parents: 5608
diff changeset
763 allowed_grant_type_handlers:remove("device_code");
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config
Kim Alvefur <zash@zash.se>
parents: 5608
diff changeset
764 allowed_grant_type_handlers:add(device_uri);
7565298aa197 mod_http_oauth2: Allow a shorter form of the device grant in config
Kim Alvefur <zash@zash.se>
parents: 5608
diff changeset
765 end
5187
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
766 for handler_type in pairs(grant_type_handlers) do
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
767 if not allowed_grant_type_handlers:contains(handler_type) then
5230
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
768 module:log("debug", "Grant type %q disabled", handler_type);
5187
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
769 grant_type_handlers[handler_type] = nil;
5230
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
770 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
771 module:log("debug", "Grant type %q enabled", handler_type);
5187
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
772 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
773 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
774
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
775 -- "token" aka implicit flow is considered insecure
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
776 local allowed_response_type_handlers = module:get_option_set("allowed_oauth2_response_types", {"code"})
5198
2e8a7a0f932d mod_http_oauth2: Fix response type config
Kim Alvefur <zash@zash.se>
parents: 5196
diff changeset
777 for handler_type in pairs(response_type_handlers) do
2e8a7a0f932d mod_http_oauth2: Fix response type config
Kim Alvefur <zash@zash.se>
parents: 5196
diff changeset
778 if not allowed_response_type_handlers:contains(handler_type) then
5230
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
779 module:log("debug", "Response type %q disabled", handler_type);
5231
bef543068077 mod_http_oauth2: Fix to disable disabled response handlers correctly
Kim Alvefur <zash@zash.se>
parents: 5230
diff changeset
780 response_type_handlers[handler_type] = nil;
5230
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
781 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
782 module:log("debug", "Response type %q enabled", handler_type);
5187
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
783 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
784 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
785
5384
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
786 local allowed_challenge_methods = module:get_option_set("allowed_oauth2_code_challenge_methods", { "plain"; "S256" })
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
787 for handler_type in pairs(verifier_transforms) do
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
788 if not allowed_challenge_methods:contains(handler_type) then
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
789 module:log("debug", "Challenge method %q disabled", handler_type);
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
790 verifier_transforms[handler_type] = nil;
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
791 else
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
792 module:log("debug", "Challenge method %q enabled", handler_type);
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
793 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
794 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
795
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
796 function handle_token_grant(event)
5223
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
797 local credentials = get_request_credentials(event.request);
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
798
3934
469408682152 mod_http_oauth2: Set content type on successful repsponses (fixes #1501)
Kim Alvefur <zash@zash.se>
parents: 3920
diff changeset
799 event.response.headers.content_type = "application/json";
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
800 event.response.headers.cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
801 event.response.headers.pragma = "no-cache";
5513
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters
Kim Alvefur <zash@zash.se>
parents: 5512
diff changeset
802 local params = strict_formdecode(event.request.body);
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
803 if not params then
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
804 return oauth_error("invalid_request", "Could not parse request body as 'application/x-www-form-urlencoded'");
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
805 end
5223
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
806
5225
3439eb37f23b mod_http_oauth2: token endpoint: handle missing credentials
Matthew Wild <mwild1@gmail.com>
parents: 5224
diff changeset
807 if credentials and credentials.type == "basic" then
5385
544b92750a2a mod_http_oauth2: Advertise supported token endpoint auth methods
Kim Alvefur <zash@zash.se>
parents: 5384
diff changeset
808 -- client_secret_basic converted internally to client_secret_post
5223
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
809 params.client_id = http.urldecode(credentials.username);
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
810 params.client_secret = http.urldecode(credentials.password);
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
811 end
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
812
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
813 local grant_type = params.grant_type
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
814 local grant_handler = grant_type_handlers[grant_type];
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
815 if not grant_handler then
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
816 return oauth_error("invalid_request", "No such grant type.");
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
817 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
818 return grant_handler(params);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
819 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
820
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
821 local function handle_authorization_request(event)
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
822 local request = event.request;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
823
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
824 -- Directly returning errors to the user before we have a validated client object
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
825 if not request.url.query then
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
826 return render_error(oauth_error("invalid_request", "Missing query parameters"));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
827 end
5513
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters
Kim Alvefur <zash@zash.se>
parents: 5512
diff changeset
828 local params = strict_formdecode(request.url.query);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
829 if not params then
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
830 return render_error(oauth_error("invalid_request", "Invalid query parameters"));
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
831 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
832
5471
d4d333cb75b2 mod_http_oauth2: Clarify some error messages
Kim Alvefur <zash@zash.se>
parents: 5470
diff changeset
833 if not params.client_id then
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
834 return render_error(oauth_error("invalid_request", "Missing 'client_id' parameter"));
5471
d4d333cb75b2 mod_http_oauth2: Clarify some error messages
Kim Alvefur <zash@zash.se>
parents: 5470
diff changeset
835 end
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
836
5510
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
837 local client = check_client(params.client_id);
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
838
5510
a49d73e4262e mod_http_oauth2: Add client verification wrapper function
Kim Alvefur <zash@zash.se>
parents: 5509
diff changeset
839 if not client then
5472
b80b6947b079 mod_http_oauth2: Always show early errors to user
Kim Alvefur <zash@zash.se>
parents: 5471
diff changeset
840 return render_error(oauth_error("invalid_request", "Invalid 'client_id' parameter"));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
841 end
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
842
5477
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
843 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
844 if not redirect_uri then
5475
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects
Kim Alvefur <zash@zash.se>
parents: 5474
diff changeset
845 return render_error(oauth_error("invalid_request", "Invalid 'redirect_uri' parameter"));
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects
Kim Alvefur <zash@zash.se>
parents: 5474
diff changeset
846 end
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects
Kim Alvefur <zash@zash.se>
parents: 5474
diff changeset
847 -- From this point we know that redirect_uri is safe to use
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects
Kim Alvefur <zash@zash.se>
parents: 5474
diff changeset
848
5405
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
849 local client_response_types = set.new(array(client.response_types or { "code" }));
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
850 client_response_types = set.intersection(client_response_types, allowed_response_type_handlers);
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
851 if not client_response_types:contains(params.response_type) then
5477
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
852 return error_response(request, redirect_uri, oauth_error("invalid_client", "'response_type' not allowed"));
5405
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
853 end
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
854
5447
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
855 local requested_scopes = parse_scopes(params.scope or "");
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
856 if client.scope then
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
857 local client_scopes = set.new(parse_scopes(client.scope));
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
858 requested_scopes:filter(function(scope)
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
859 return client_scopes:contains(scope);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
860 end);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
861 end
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
862
5518
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
863 -- The 'prompt' parameter from OpenID Core
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
864 local prompt = set.new(parse_scopes(params.prompt or "select_account login consent"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
865 if prompt:contains("none") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
866 -- Client wants no interaction, only confirmation of prior login and
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
867 -- consent, but this is not implemented.
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
868 return error_response(request, redirect_uri, oauth_error("interaction_required"));
5643
73c3d5bfce3e mod_http_oauth2: Allow 'login_hint' as a substitute for OIDC 'select_account' prompt
Kim Alvefur <zash@zash.se>
parents: 5642
diff changeset
869 elseif not prompt:contains("select_account") and not params.login_hint then
5518
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
870 -- TODO If the login page is split into account selection followed by login
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
871 -- (e.g. password), and then the account selection could be skipped iff the
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
872 -- 'login_hint' parameter is present.
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
873 return error_response(request, redirect_uri, oauth_error("account_selection_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
874 elseif not prompt:contains("login") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
875 -- Currently no cookies or such are used, so login is required every time.
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
876 return error_response(request, redirect_uri, oauth_error("login_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
877 elseif not prompt:contains("consent") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
878 -- Are there any circumstances when consent would be implied or assumed?
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
879 return error_response(request, redirect_uri, oauth_error("consent_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
880 end
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter
Kim Alvefur <zash@zash.se>
parents: 5514
diff changeset
881
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
882 local auth_state = get_auth_state(request);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
883 if not auth_state.user then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
884 -- Render login page
5466
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter
Kim Alvefur <zash@zash.se>
parents: 5465
diff changeset
885 local extra = {};
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter
Kim Alvefur <zash@zash.se>
parents: 5465
diff changeset
886 if params.login_hint then
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter
Kim Alvefur <zash@zash.se>
parents: 5465
diff changeset
887 extra.username_hint = (jid.prepped_split(params.login_hint));
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter
Kim Alvefur <zash@zash.se>
parents: 5465
diff changeset
888 end
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter
Kim Alvefur <zash@zash.se>
parents: 5465
diff changeset
889 return render_page(templates.login, { state = auth_state; client = client; extra = extra });
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
890 elseif auth_state.consent == nil then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
891 -- Render consent page
5447
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
892 local scopes, roles = split_scopes(requested_scopes);
5452
b071d8ee6555 mod_http_oauth2: Show only roles the user can use in consent dialog
Kim Alvefur <zash@zash.se>
parents: 5451
diff changeset
893 roles = user_assumable_roles(auth_state.user.username, roles);
5429
0bbeee8ba8b5 mod_http_oauth2: Strip unknown scopes from consent page
Kim Alvefur <zash@zash.se>
parents: 5428
diff changeset
894 return render_page(templates.consent, { state = auth_state; client = client; scopes = scopes+roles }, true);
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
895 elseif not auth_state.consent then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
896 -- Notify client of rejection
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
897 if redirect_uri == device_uri then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
898 local is_device, device_state = verify_device_token(params.state);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
899 if is_device then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
900 local device_code = b64url(hashes.hmac_sha256(verification_key, device_state.user_code));
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
901 local code = codes:get("device_code:" .. params.client_id .. "#" .. device_code);
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
902 code.error = oauth_error("access_denied");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
903 code.expires = os.time() + 60;
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
904 codes:set("device_code:" .. params.client_id .. "#" .. device_code, code);
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
905 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
906 end
5477
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
907 return error_response(request, redirect_uri, oauth_error("access_denied"));
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
908 end
5271
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
909 -- else auth_state.consent == true
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
910
5447
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
911 local granted_scopes = auth_state.scopes
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
912 if client.scope then
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
913 local client_scopes = set.new(parse_scopes(client.scope));
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
914 granted_scopes:filter(function(scope)
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
915 return client_scopes:contains(scope);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
916 end);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
917 end
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
918
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization
Kim Alvefur <zash@zash.se>
parents: 5446
diff changeset
919 params.scope = granted_scopes:concat(" ");
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
920
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
921 local user_jid = jid.join(auth_state.user.username, module.host);
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
922 local client_secret = make_client_secret(params.client_id);
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
923 local id_token_signer = jwt.new_signer("HS256", client_secret);
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
924 local id_token = id_token_signer({
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
925 iss = get_issuer();
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
926 sub = url.build({ scheme = "xmpp"; path = user_jid });
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
927 aud = params.client_id;
5519
83ebfc367169 mod_http_oauth2: Return Authentication Time per OpenID Core Section 2
Kim Alvefur <zash@zash.se>
parents: 5518
diff changeset
928 auth_time = auth_state.user.auth_time;
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
929 nonce = params.nonce;
5665
bbde136a4c29 mod_http_oauth2: Include 'amr' claim in ID Token
Kim Alvefur <zash@zash.se>
parents: 5646
diff changeset
930 amr = auth_state.user.amr;
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
931 });
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
932 local response_type = params.response_type;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
933 local response_handler = response_type_handlers[response_type];
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
934 if not response_handler then
5477
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
935 return error_response(request, redirect_uri, oauth_error("unsupported_response_type"));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
936 end
5468
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers
Kim Alvefur <zash@zash.se>
parents: 5467
diff changeset
937 local ret = response_handler(client, params, user_jid, id_token);
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers
Kim Alvefur <zash@zash.se>
parents: 5467
diff changeset
938 if errors.is_err(ret) then
5477
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client
Kim Alvefur <zash@zash.se>
parents: 5476
diff changeset
939 return error_response(request, redirect_uri, ret);
5468
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers
Kim Alvefur <zash@zash.se>
parents: 5467
diff changeset
940 end
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers
Kim Alvefur <zash@zash.se>
parents: 5467
diff changeset
941 return ret;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
942 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
943
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
944 local function handle_device_authorization_request(event)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
945 local request = event.request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
946
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
947 local credentials = get_request_credentials(request);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
948
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
949 local params = strict_formdecode(request.body);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
950 if not params then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
951 return render_error(oauth_error("invalid_request", "Invalid query parameters"));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
952 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
953
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
954 if credentials and credentials.type == "basic" then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
955 -- client_secret_basic converted internally to client_secret_post
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
956 params.client_id = http.urldecode(credentials.username);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
957 local client_secret = http.urldecode(credentials.password);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
958
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
959 if not verify_client_secret(params.client_id, client_secret) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
960 module:log("debug", "client_secret mismatch");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
961 return oauth_error("invalid_client", "incorrect credentials");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
962 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
963 else
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
964 return 401;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
965 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
966
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
967 local client = check_client(params.client_id);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
968
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
969 if not client then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
970 return render_error(oauth_error("invalid_request", "Invalid 'client_id' parameter"));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
971 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
972
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
973 if not set.new(client.grant_types):contains(device_uri) then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
974 return render_error(oauth_error("invalid_client", "Client not registered for device authorization grant"));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
975 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
976
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
977 local requested_scopes = parse_scopes(params.scope or "");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
978 if client.scope then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
979 local client_scopes = set.new(parse_scopes(client.scope));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
980 requested_scopes:filter(function(scope)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
981 return client_scopes:contains(scope);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
982 end);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
983 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
984
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
985 -- TODO better code generator, this one should be easy to type from a
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
986 -- screen onto a phone
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
987 local user_code = (id.tiny() .. "-" .. id.tiny()):upper();
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
988 local collisions = 0;
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
989 while codes:get("authorization_code:" .. device_uri .. "#" .. user_code) do
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
990 collisions = collisions + 1;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
991 if collisions > 10 then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
992 return oauth_error("temporarily_unavailable");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
993 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
994 user_code = (id.tiny() .. "-" .. id.tiny()):upper();
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
995 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
996 -- device code should be derivable after consent but not guessable by the user
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
997 local device_code = b64url(hashes.hmac_sha256(verification_key, user_code));
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
998 local verification_uri = module:http_url() .. "/device";
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
999 local verification_uri_complete = verification_uri .. "?" .. http.formencode({ user_code = user_code });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1000
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
1001 local expires = os.time() + 600;
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
1002 local dc_ok = codes:set("device_code:" .. params.client_id .. "#" .. device_code, { expires = expires });
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
1003 local uc_ok = codes:set("user_code:" .. user_code,
5629
ef0a283507c9 mod_http_oauth2: Make storage of various code more consistent
Kim Alvefur <zash@zash.se>
parents: 5628
diff changeset
1004 { user_code = user_code; expires = expires; client_id = params.client_id;
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1005 scope = requested_scopes:concat(" ") });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1006 if not dc_ok or not uc_ok then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1007 return oauth_error("temporarily_unavailable");
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1008 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1009
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1010 return {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1011 headers = { content_type = "application/json"; cache_control = "no-store"; pragma = "no-cache" };
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1012 body = json.encode {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1013 device_code = device_code;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1014 user_code = user_code;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1015 verification_uri = verification_uri;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1016 verification_uri_complete = verification_uri_complete;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1017 expires_in = 600;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1018 interval = 5;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1019 };
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1020 }
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1021 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1022
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1023 local function handle_device_verification_request(event)
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1024 local request = event.request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1025 local params = strict_formdecode(request.url.query);
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1026 if not params or not params.user_code then
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1027 return render_page(templates.device, { client = false });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1028 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1029
5607
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
1030 local device_info = codes:get("user_code:" .. params.user_code);
ad9b8f659c96 mod_http_oauth2: Namespace the various codes to minimize confusion
Kim Alvefur <zash@zash.se>
parents: 5605
diff changeset
1031 if not device_info or code_expired(device_info) or not codes:set("user_code:" .. params.user_code, nil) then
5608
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page
Kim Alvefur <zash@zash.se>
parents: 5607
diff changeset
1032 return render_page(templates.device, {
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page
Kim Alvefur <zash@zash.se>
parents: 5607
diff changeset
1033 client = false;
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page
Kim Alvefur <zash@zash.se>
parents: 5607
diff changeset
1034 error = oauth_error("expired_token", "Incorrect or expired code");
1893ae742f66 mod_http_oauth2: Show errors on device flow user code entry page
Kim Alvefur <zash@zash.se>
parents: 5607
diff changeset
1035 });
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1036 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1037
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1038 return {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1039 status_code = 303;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1040 headers = {
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1041 location = module:http_url() .. "/authorize" .. "?" .. http.formencode({
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1042 client_id = device_info.client_id;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1043 redirect_uri = device_uri;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1044 response_type = "code";
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1045 scope = device_info.scope;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1046 state = new_device_token({ user_code = params.user_code });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1047 });
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1048 };
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1049 }
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1050 end
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1051
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1052 local function handle_introspection_request(event)
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1053 local request = event.request;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1054 local credentials = get_request_credentials(request);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1055 if not credentials or credentials.type ~= "basic" then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1056 event.response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1057 return 401;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1058 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1059 -- OAuth "client" credentials
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1060 if not verify_client_secret(credentials.username, credentials.password) then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1061 return 401;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1062 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1063
5681
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1064 local client = check_client(credentials.username);
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1065 if not client then
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1066 return 401;
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1067 end
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1068
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1069 local form_data = http.formdecode(request.body or "=");
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1070 local token = form_data.token;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1071 if not token then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1072 return 400;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1073 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1074
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1075 local token_info = tokens.get_token_info(form_data.token);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1076 if not token_info then
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1077 return { headers = { content_type = "application/json" }; body = json.encode { active = false } };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1078 end
5681
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1079 local token_client = token_info.grant.data.oauth2_client;
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1080 if not token_client or token_client.hash ~= client.client_hash then
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1081 return 403;
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1082 end
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1083
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1084 return {
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1085 headers = { content_type = "application/json" };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1086 body = json.encode {
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1087 active = true;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1088 client_id = credentials.username; -- We don't really know for sure
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1089 username = jid.node(token_info.jid);
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1090 scope = token_info.grant.data.oauth2_scopes;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1091 token_type = purpose_map[token_info.purpose];
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1092 exp = token.expires;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1093 iat = token.created;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1094 sub = url.build({ scheme = "xmpp"; path = token_info.jid });
5681
8cb3da7df521 mod_http_oauth2: Restrict introspection to clients own tokens
Kim Alvefur <zash@zash.se>
parents: 5680
diff changeset
1095 aud = credentials.username;
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1096 iss = get_issuer();
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1097 jti = token_info.id;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1098 };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1099 };
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1100 end
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1101
5626
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1102 local strict_auth_revoke = module:get_option_boolean("oauth2_require_auth_revoke", false);
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1103
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1104 local function handle_revocation_request(event)
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1105 local request, response = event.request, event.response;
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1106 response.headers.cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1107 response.headers.pragma = "no-cache";
5265
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1108 if request.headers.authorization then
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1109 local credentials = get_request_credentials(request);
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1110 if not credentials or credentials.type ~= "basic" then
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1111 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1112 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1113 end
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1114 -- OAuth "client" credentials
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1115 if not verify_client_secret(credentials.username, credentials.password) then
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1116 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
1117 end
5626
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1118 -- TODO check that it's their token I guess?
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1119 elseif strict_auth_revoke then
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1120 -- Why require auth to revoke a leaked token?
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1121 response.headers.www_authenticate = string.format("Basic realm=%q", module.host.."/"..module.name);
a44af1b646f5 mod_http_oauth2: Optionally enforce authentication on revocation endpoint
Kim Alvefur <zash@zash.se>
parents: 5619
diff changeset
1122 return 401;
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1123 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1124
5513
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters
Kim Alvefur <zash@zash.se>
parents: 5512
diff changeset
1125 local form_data = strict_formdecode(event.request.body);
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1126 if not form_data or not form_data.token then
5267
60e0bc35de33 mod_http_oauth2: Relax payload content type checking in revocation
Kim Alvefur <zash@zash.se>
parents: 5266
diff changeset
1127 response.headers.accept = "application/x-www-form-urlencoded";
60e0bc35de33 mod_http_oauth2: Relax payload content type checking in revocation
Kim Alvefur <zash@zash.se>
parents: 5266
diff changeset
1128 return 415;
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1129 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1130 local ok, err = tokens.revoke_token(form_data.token);
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1131 if not ok then
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1132 module:log("warn", "Unable to revoke token: %s", tostring(err));
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1133 return 500;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1134 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1135 return 200;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1136 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1137
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1138 local registration_schema = {
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1139 title = "OAuth 2.0 Dynamic Client Registration Protocol";
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1140 type = "object";
5237
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1141 required = {
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1142 -- These are shown to users in the template
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1143 "client_name";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1144 "client_uri";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1145 -- We need at least one redirect URI for things to work
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1146 "redirect_uris";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
1147 };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1148 properties = {
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1149 redirect_uris = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1150 title = "List of Redirect URIs";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1151 type = "array";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1152 minItems = 1;
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1153 uniqueItems = true;
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1154 items = { title = "Redirect URI"; type = "string"; format = "uri" };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1155 };
5377
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema
Kim Alvefur <zash@zash.se>
parents: 5375
diff changeset
1156 token_endpoint_auth_method = {
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1157 title = "Token Endpoint Authentication Method";
5377
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema
Kim Alvefur <zash@zash.se>
parents: 5375
diff changeset
1158 type = "string";
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema
Kim Alvefur <zash@zash.se>
parents: 5375
diff changeset
1159 enum = { "none"; "client_secret_post"; "client_secret_basic" };
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema
Kim Alvefur <zash@zash.se>
parents: 5375
diff changeset
1160 default = "client_secret_basic";
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema
Kim Alvefur <zash@zash.se>
parents: 5375
diff changeset
1161 };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1162 grant_types = {
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1163 title = "Grant Types";
5236
ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema
Kim Alvefur <zash@zash.se>
parents: 5231
diff changeset
1164 type = "array";
5455
80a81e7f3c4e mod_http_oauth2: Require non-empty arrays in client registration
Kim Alvefur <zash@zash.se>
parents: 5454
diff changeset
1165 minItems = 1;
5456
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1166 uniqueItems = true;
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1167 items = {
5236
ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema
Kim Alvefur <zash@zash.se>
parents: 5231
diff changeset
1168 type = "string";
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1169 enum = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1170 "authorization_code";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1171 "implicit";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1172 "password";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1173 "client_credentials";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1174 "refresh_token";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1175 "urn:ietf:params:oauth:grant-type:jwt-bearer";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1176 "urn:ietf:params:oauth:grant-type:saml2-bearer";
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1177 device_uri;
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1178 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1179 };
5366
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1180 default = { "authorization_code" };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1181 };
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1182 application_type = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1183 title = "Application Type";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1184 description = "Determines which kinds of redirect URIs the client may register. \z
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1185 The value 'web' limits the client to https:// URLs with the same hostname as in 'client_uri' \z
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1186 while the value 'native' allows either loopback http:// URLs or application specific URIs.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1187 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1188 enum = { "native"; "web" };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1189 default = "web";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1190 };
5456
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1191 response_types = {
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1192 title = "Response Types";
5456
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1193 type = "array";
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1194 minItems = 1;
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1195 uniqueItems = true;
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1196 items = { type = "string"; enum = { "code"; "token" } };
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1197 default = { "code" };
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration
Kim Alvefur <zash@zash.se>
parents: 5455
diff changeset
1198 };
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1199 client_name = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1200 title = "Client Name";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1201 description = "Human-readable name of the client, presented to the user in the consent dialog.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1202 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1203 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1204 client_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1205 title = "Client URL";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1206 description = "Should be an link to a page with information about the client.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1207 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1208 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1209 pattern = "^https:";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1210 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1211 logo_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1212 title = "Logo URL";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1213 description = "URL to the clients logotype (not currently used).";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1214 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1215 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1216 pattern = "^https:";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1217 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1218 scope = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1219 title = "Scopes";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1220 description = "Space-separated list of scopes the client promises to restrict itself to.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1221 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1222 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1223 contacts = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1224 title = "Contact Addresses";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1225 description = "Addresses, typically email or URLs where the client developers can be contacted.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1226 type = "array";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1227 minItems = 1;
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1228 items = { type = "string"; format = "email" };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1229 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1230 tos_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1231 title = "Terms of Service URL";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1232 description = "Link to Terms of Service for the client, presented to the user in the consent dialog. \z
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1233 MUST be a https:// URL with hostname matching that of 'client_uri'.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1234 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1235 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1236 pattern = "^https:";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1237 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1238 policy_uri = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1239 title = "Privacy Policy URL";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1240 description = "Link to a Privacy Policy for the client. MUST be a https:// URL with hostname matching that of 'client_uri'.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1241 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1242 format = "uri";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1243 pattern = "^https:";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1244 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1245 software_id = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1246 title = "Software ID";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1247 description = "Unique identifier for the client software, common for all instances. Typically an UUID.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1248 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1249 format = "uuid";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1250 };
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1251 software_version = {
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1252 title = "Software Version";
5605
17aa3bac7f3a mod_http_oauth2: Improve a description in schema
Kim Alvefur <zash@zash.se>
parents: 5598
diff changeset
1253 description = "Version of the client software being registered. \z
5598
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1254 E.g. to allow revoking all related tokens in the event of a security incident.";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1255 type = "string";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1256 example = "2.3.1";
b496ebc12aed mod_http_oauth2: Add titles and descriptions to registration schema
Kim Alvefur <zash@zash.se>
parents: 5589
diff changeset
1257 };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1258 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1259 }
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1260
5554
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1261 -- Limit per-locale fields to allowed locales, partly to keep size of client_id
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1262 -- down, partly because we don't yet use them for anything.
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1263 -- Only relevant for user-visible strings and URIs.
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1264 if allowed_locales[1] then
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1265 local props = registration_schema.properties;
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1266 for _, locale in ipairs(allowed_locales) do
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1267 props["client_name#" .. locale] = props["client_name"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1268 props["client_uri#" .. locale] = props["client_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1269 props["logo_uri#" .. locale] = props["logo_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1270 props["tos_uri#" .. locale] = props["tos_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1271 props["policy_uri#" .. locale] = props["policy_uri"];
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1272 end
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1273 end
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1274
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1275 local function redirect_uri_allowed(redirect_uri, client_uri, app_type)
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1276 local uri = url.parse(redirect_uri);
5457
9156a4754466 mod_http_oauth2: Reject relative redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5456
diff changeset
1277 if not uri.scheme then
9156a4754466 mod_http_oauth2: Reject relative redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5456
diff changeset
1278 return false; -- no relative URLs
9156a4754466 mod_http_oauth2: Reject relative redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5456
diff changeset
1279 end
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1280 if app_type == "native" then
5458
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes
Kim Alvefur <zash@zash.se>
parents: 5457
diff changeset
1281 return uri.scheme == "http" and loopbacks:contains(uri.host) or redirect_uri == oob_uri or uri.scheme:find(".", 1, true) ~= nil;
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1282 elseif app_type == "web" then
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1283 return uri.scheme == "https" and uri.host == client_uri.host;
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1284 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1285 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1286
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1287 function create_client(client_metadata)
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1288 if not schema.validate(registration_schema, client_metadata) then
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1289 return nil, oauth_error("invalid_request", "Failed schema validation.");
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1290 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1291
5633
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1292 local client_uri = url.parse(client_metadata.client_uri);
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1293 if not client_uri or client_uri.scheme ~= "https" or loopbacks:contains(client_uri.host) then
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1294 return nil, oauth_error("invalid_client_metadata", "Missing, invalid or insecure client_uri");
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1295 end
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1296
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1297 if not client_metadata.application_type and redirect_uri_allowed(client_metadata.redirect_uris[1], client_uri, "native") then
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1298 client_metadata.application_type = "native";
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1299 -- else defaults to "web"
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1300 end
dd2079b3dec6 mod_http_oauth2: Allow omitting application type for native apps
Kim Alvefur <zash@zash.se>
parents: 5629
diff changeset
1301
5366
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1302 -- Fill in default values
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1303 for propname, propspec in pairs(registration_schema.properties) do
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1304 if client_metadata[propname] == nil and type(propspec) == "table" and propspec.default ~= nil then
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1305 client_metadata[propname] = propspec.default;
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1306 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1307 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
1308
5559
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1309 -- MUST ignore any metadata that it does not understand
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1310 for propname in pairs(client_metadata) do
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1311 if not registration_schema.properties[propname] then
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1312 client_metadata[propname] = nil;
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1313 end
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1314 end
d7fb8b266663 mod_http_oauth2: Strip unknown client metadata
Kim Alvefur <zash@zash.se>
parents: 5554
diff changeset
1315
5239
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
1316 for _, redirect_uri in ipairs(client_metadata.redirect_uris) do
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
1317 if not redirect_uri_allowed(redirect_uri, client_uri, client_metadata.application_type) then
5402
fbf3ede7541b mod_http_oauth2: More appropriate error conditions in client validation
Kim Alvefur <zash@zash.se>
parents: 5401
diff changeset
1318 return nil, oauth_error("invalid_redirect_uri", "Invalid, insecure or inappropriate redirect URI.");
5242
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5241
diff changeset
1319 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5241
diff changeset
1320 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5241
diff changeset
1321
5244
fa7bd721a3f6 mod_http_oauth2: Fix validation of informative URIs
Kim Alvefur <zash@zash.se>
parents: 5243
diff changeset
1322 for field, prop_schema in pairs(registration_schema.properties) do
5246
fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration
Kim Alvefur <zash@zash.se>
parents: 5245
diff changeset
1323 if field ~= "client_uri" and prop_schema.format == "uri" and client_metadata[field] then
5403
c574aaaa4d57 mod_http_oauth2: Simplify validation of various URIs
Kim Alvefur <zash@zash.se>
parents: 5402
diff changeset
1324 if not redirect_uri_allowed(client_metadata[field], client_uri, "web") then
c574aaaa4d57 mod_http_oauth2: Simplify validation of various URIs
Kim Alvefur <zash@zash.se>
parents: 5402
diff changeset
1325 return nil, oauth_error("invalid_client_metadata", "Invalid, insecure or inappropriate informative URI");
5242
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5241
diff changeset
1326 end
5239
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
1327 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
1328 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
1329
5406
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1330 local grant_types = set.new(client_metadata.grant_types);
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1331 local response_types = set.new(client_metadata.response_types);
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1332
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1333 if grant_types:contains("authorization_code") and not response_types:contains("code") then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1334 return nil, oauth_error("invalid_client_metadata", "Inconsistency between 'grant_types' and 'response_types'");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1335 elseif grant_types:contains("implicit") and not response_types:contains("token") then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1336 return nil, oauth_error("invalid_client_metadata", "Inconsistency between 'grant_types' and 'response_types'");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1337 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1338
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1339 if set.intersection(grant_types, allowed_grant_type_handlers):empty() then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1340 return nil, oauth_error("invalid_client_metadata", "No allowed 'grant_types' specified");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1341 elseif set.intersection(response_types, allowed_response_type_handlers):empty() then
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1342 return nil, oauth_error("invalid_client_metadata", "No allowed 'response_types' specified");
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1343 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
1344
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1345 -- Do we want to keep everything?
5459
260a859be86a mod_http_oauth2: Rename variables to improve clarity
Kim Alvefur <zash@zash.se>
parents: 5458
diff changeset
1346 local client_id = sign_client(client_metadata);
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1347
5221
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
1348 client_metadata.client_id = client_id;
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
1349 client_metadata.client_id_issued_at = os.time();
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
1350
5407
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1351 if client_metadata.token_endpoint_auth_method ~= "none" then
5580
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1352 -- Ensure that each client_id JWT with a client_secret is unique.
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1353 -- A short ID along with the issued at timestamp should be sufficient to
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1354 -- rule out brute force attacks.
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1355 -- Not needed for public clients without a secret, but those are expected
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1356 -- to be uncommon since they can only do the insecure implicit flow.
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1357 client_metadata.nonce = id.short();
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1358
feadbd481285 mod_http_oauth2: Only add nonce when issuing a client_secret
Kim Alvefur <zash@zash.se>
parents: 5560
diff changeset
1359 local client_secret = make_client_secret(client_id, client_metadata);
5407
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1360 client_metadata.client_secret = client_secret;
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1361 client_metadata.client_secret_expires_at = 0;
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1362
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1363 if not registration_options.accept_expired then
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1364 client_metadata.client_secret_expires_at = client_metadata.client_id_issued_at + (registration_options.default_ttl or 3600);
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication
Kim Alvefur <zash@zash.se>
parents: 5406
diff changeset
1365 end
5202
b81fd0d22c66 mod_http_oauth2: Calculate client secret expiry in registration response
Kim Alvefur <zash@zash.se>
parents: 5201
diff changeset
1366 end
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1367
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1368 return client_metadata;
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1369 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1370
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1371 local function handle_register_request(event)
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1372 local request = event.request;
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1373 local client_metadata, err = json.decode(request.body);
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1374 if err then
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1375 return oauth_error("invalid_request", "Invalid JSON");
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1376 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1377
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1378 local response, err = create_client(client_metadata);
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1379 if err then return err end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1380
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1381 return {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1382 status_code = 201;
5509
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1383 headers = {
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1384 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1385 pragma = "no-cache";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1386 content_type = "application/json";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749
Kim Alvefur <zash@zash.se>
parents: 5502
diff changeset
1387 };
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
1388 body = json.encode(response);
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1389 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1390 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1391
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1392 if not registration_key then
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1393 module:log("info", "No 'oauth2_registration_key', dynamic client registration disabled")
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1394 handle_authorization_request = nil
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1395 handle_register_request = nil
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1396 handle_device_authorization_request = nil
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1397 handle_device_verification_request = nil
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1398 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
1399
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1400 local function handle_userinfo_request(event)
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1401 local request = event.request;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1402 local credentials = get_request_credentials(request);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1403 if not credentials or not credentials.bearer_token then
5336
77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5335
diff changeset
1404 module:log("debug", "Missing credentials for UserInfo endpoint: %q", credentials)
5335
53c6f49dcbb8 mod_http_oauth2: Correct error code when missing credentials for userinfo
Kim Alvefur <zash@zash.se>
parents: 5280
diff changeset
1405 return 401;
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1406 end
5336
77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5335
diff changeset
1407 local token_info,err = tokens.get_token_info(credentials.bearer_token);
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1408 if not token_info then
5336
77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5335
diff changeset
1409 module:log("debug", "UserInfo query failed token validation: %s", err)
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1410 return 403;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1411 end
5337
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1412 local scopes = set.new()
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1413 if type(token_info.grant.data) == "table" and type(token_info.grant.data.oauth2_scopes) == "string" then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1414 scopes:add_list(parse_scopes(token_info.grant.data.oauth2_scopes));
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1415 else
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1416 module:log("debug", "token_info = %q", token_info)
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1417 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1418
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1419 if not scopes:contains("openid") then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1420 module:log("debug", "Missing the 'openid' scope in %q", scopes)
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1421 -- The 'openid' scope is required for access to this endpoint.
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1422 return 403;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1423 end
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1424
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1425 local user_info = {
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1426 iss = get_issuer();
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1427 sub = url.build({ scheme = "xmpp"; path = token_info.jid });
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1428 }
5337
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1429
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1430 local token_claims = set.intersection(openid_claims, scopes);
5375
8b7d97f0ae8a mod_http_oauth2: Fix to include "openid" scope in discovery metadata
Kim Alvefur <zash@zash.se>
parents: 5367
diff changeset
1431 token_claims:remove("openid"); -- that's "iss" and "sub" above
5337
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1432 if not token_claims:empty() then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1433 -- Another module can do that
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1434 module:fire_event("token/userinfo", {
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1435 token = token_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1436 claims = token_claims;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1437 username = jid.split(token_info.jid);
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1438 userinfo = user_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1439 });
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1440 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
1441
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1442 return {
5258
9629971e307f mod_http_oauth2: Fix userinfo status code off-by-one
Kim Alvefur <zash@zash.se>
parents: 5257
diff changeset
1443 status_code = 200;
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1444 headers = { content_type = "application/json" };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1445 body = json.encode(user_info);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1446 };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1447 end
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1448
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1449 module:depends("http");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1450 module:provides("http", {
5480
5108f63e762b mod_http_oauth2: Allow CORS for browser clients
Kim Alvefur <zash@zash.se>
parents: 5479
diff changeset
1451 cors = { enabled = true; credentials = true };
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1452 route = {
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1453 -- OAuth 2.0 in 5 simple steps!
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1454 -- This is the normal 'authorization_code' flow.
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1455
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1456 -- Step 1. Create OAuth client
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1457 ["POST /register"] = handle_register_request;
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1458
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1459 -- Device flow
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1460 ["POST /device"] = handle_device_authorization_request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1461 ["GET /device"] = handle_device_verification_request;
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1462
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1463 -- Step 2. User-facing login and consent view
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
1464 ["GET /authorize"] = handle_authorization_request;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1465 ["POST /authorize"] = handle_authorization_request;
5548
fd3c12c40cd9 mod_http_oauth2: Disable CORS for authorization endpoint
Kim Alvefur <zash@zash.se>
parents: 5547
diff changeset
1466 ["OPTIONS /authorize"] = { status_code = 403; body = "" };
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
1467
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1468 -- Step 3. User is redirected to the 'redirect_uri' along with an
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1469 -- authorization code. In the insecure 'implicit' flow, the access token
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1470 -- is delivered here.
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
1471
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1472 -- Step 4. Retrieve access token using the code.
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
1473 ["POST /token"] = handle_token_grant;
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1474
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1475 -- Step 4 is later repeated using the refresh token to get new access tokens.
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1476
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
1477 -- Step 5. Revoke token (access or refresh)
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
1478 ["POST /revoke"] = handle_revocation_request;
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
1479
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1480 -- Get info about a token
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1481 ["POST /introspect"] = handle_introspection_request;
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1482
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
1483 -- OpenID
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
1484 ["GET /userinfo"] = handle_userinfo_request;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1485
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1486 -- Optional static content for templates
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1487 ["GET /style.css"] = templates.css and {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1488 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1489 ["Content-Type"] = "text/css";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1490 };
5642
7c105277a9ca mod_http_oauth2: Remove broken in-CSS templating
Kim Alvefur <zash@zash.se>
parents: 5633
diff changeset
1491 body = templates.css;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1492 } or nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1493 ["GET /script.js"] = templates.js and {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1494 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1495 ["Content-Type"] = "text/javascript";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1496 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1497 body = templates.js;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
1498 } or nil;
5393
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema
Kim Alvefur <zash@zash.se>
parents: 5392
diff changeset
1499
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema
Kim Alvefur <zash@zash.se>
parents: 5392
diff changeset
1500 -- Some convenient fallback handlers
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema
Kim Alvefur <zash@zash.se>
parents: 5392
diff changeset
1501 ["GET /register"] = { headers = { content_type = "application/schema+json" }; body = json.encode(registration_schema) };
5396
ac7c5669e5f5 mod_http_oauth2: Return status 405 for GET to endpoints without GET handler
Kim Alvefur <zash@zash.se>
parents: 5394
diff changeset
1502 ["GET /token"] = function() return 405; end;
ac7c5669e5f5 mod_http_oauth2: Return status 405 for GET to endpoints without GET handler
Kim Alvefur <zash@zash.se>
parents: 5394
diff changeset
1503 ["GET /revoke"] = function() return 405; end;
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1504 ["GET /introspect"] = function() return 405; end;
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1505 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1506 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1507
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1508 local http_server = require "net.http.server";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1509
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1510 module:hook_object_event(http_server, "http-error", function (event)
4276
ec33b3b1136c mod_http_oauth2: Fix passing OAuth-specific error details
Kim Alvefur <zash@zash.se>
parents: 4272
diff changeset
1511 local oauth2_response = event.error and event.error.extra and event.error.extra.oauth2_response;
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1512 if not oauth2_response then
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1513 return;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1514 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1515 event.response.headers.content_type = "application/json";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1516 event.response.status_code = event.error.code or 400;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1517 return json.encode(oauth2_response);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1518 end, 5);
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1519
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1520 -- OIDC Discovery
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1521
5502
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1522 function get_authorization_server_metadata()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1523 if authorization_server_metadata then
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1524 return authorization_server_metadata;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1525 end
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1526 authorization_server_metadata = {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1527 -- RFC 8414: OAuth 2.0 Authorization Server Metadata
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1528 issuer = get_issuer();
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1529 authorization_endpoint = handle_authorization_request and module:http_url() .. "/authorize" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1530 token_endpoint = handle_token_grant and module:http_url() .. "/token" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1531 registration_endpoint = handle_register_request and module:http_url() .. "/register" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1532 scopes_supported = usermanager.get_all_roles
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1533 and array(it.keys(usermanager.get_all_roles(module.host))):push("xmpp"):append(array(openid_claims:items()));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1534 response_types_supported = array(it.keys(response_type_handlers));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1535 token_endpoint_auth_methods_supported = array({ "client_secret_post"; "client_secret_basic" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1536 op_policy_uri = module:get_option_string("oauth2_policy_url", nil);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1537 op_tos_uri = module:get_option_string("oauth2_terms_url", nil);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1538 revocation_endpoint = handle_revocation_request and module:http_url() .. "/revoke" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1539 revocation_endpoint_auth_methods_supported = array({ "client_secret_basic" });
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1540 device_authorization_endpoint = handle_device_authorization_request and module:http_url() .. "/device";
5680
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1541 introspection_endpoint = handle_introspection_request and module:http_url() .. "/introspect";
b43c989fb69c mod_http_oauth2: Implement introspection endpoint
Kim Alvefur <zash@zash.se>
parents: 5665
diff changeset
1542 introspection_endpoint_auth_methods_supported = nil;
5502
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1543 code_challenge_methods_supported = array(it.keys(verifier_transforms));
5589
7040d0772758 mod_http_oauth2: Implement RFC 8628 Device Authorization Grant
Kim Alvefur <zash@zash.se>
parents: 5580
diff changeset
1544 grant_types_supported = array(it.keys(grant_type_handlers));
5502
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1545 response_modes_supported = array(it.keys(response_type_handlers)):map(tmap { token = "fragment"; code = "query" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1546 authorization_response_iss_parameter_supported = true;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1547 service_documentation = module:get_option_string("oauth2_service_documentation", "https://modules.prosody.im/mod_http_oauth2.html");
5554
90449babaa48 mod_http_oauth2: Make allowed locales configurable
Kim Alvefur <zash@zash.se>
parents: 5553
diff changeset
1548 ui_locales_supported = allowed_locales[1] and allowed_locales;
5502
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1549
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1550 -- OpenID
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1551 userinfo_endpoint = handle_register_request and module:http_url() .. "/userinfo" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1552 jwks_uri = nil; -- REQUIRED in OpenID Discovery but not in OAuth 2.0 Metadata
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1553 id_token_signing_alg_values_supported = { "HS256" }; -- The algorithm RS256 MUST be included, but we use HS256 and client_secret as shared key.
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1554 }
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1555 return authorization_server_metadata;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1556 end
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1557
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1558 module:provides("http", {
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1559 name = "oauth2-discovery";
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1560 default_path = "/.well-known/oauth-authorization-server";
5480
5108f63e762b mod_http_oauth2: Allow CORS for browser clients
Kim Alvefur <zash@zash.se>
parents: 5479
diff changeset
1561 cors = { enabled = true };
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1562 route = {
5502
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1563 ["GET"] = function()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1564 return {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1565 headers = { content_type = "application/json" };
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1566 body = json.encode(get_authorization_server_metadata());
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1567 }
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes
Kim Alvefur <zash@zash.se>
parents: 5501
diff changeset
1568 end
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1569 };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1570 });
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1571
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
1572 module:shared("tokenauth/oauthbearer_config").oidc_discovery_url = module:http_url("oauth2-discovery", "/.well-known/oauth-authorization-server");