Mercurial > prosody-modules

annotate mod_http_oauth2/mod_http_oauth2.lua @ 5406:b86d80e21c60

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mod_http_oauth2: Validate consistency of response and grant types Ensure that these correlated fields make sense per RFC 7591 ยง 2.1, even though we currently only check the response type during authorization. This could probably all be deleted if (when!) we remove the implicit grant, since then these things don't make any sense anymore.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:34:31 +0200
parents c7a5caad28ef
children 149634647b48
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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d3af5f94d6df mod_http_oauth2: Improve storage of client secret
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diff changeset
1 local hashes = require "util.hashes";
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9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
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2 local cache = require "util.cache";
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3 local http = require "util.http";
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4 local jid = require "util.jid";
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5 local json = require "util.json";
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6 local usermanager = require "core.usermanager";
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7 local errors = require "util.error";
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8 local url = require "socket.url";
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9 local id = require "util.id";
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10 local encodings = require "util.encodings";
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11 local base64 = encodings.base64;
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12 local random = require "util.random";
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13 local schema = require "util.jsonschema";
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942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
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14 local set = require "util.set";
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15 local jwt = require"util.jwt";
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16 local it = require "util.iterators";
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17 local array = require "util.array";
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18 local st = require "util.stanza";
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19
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20 local function b64url(s)
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21 return (base64.encode(s):gsub("[+/=]", { ["+"] = "-", ["/"] = "_", ["="] = "" }))
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22 end
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23
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24 local function tmap(t)
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25 return function(k)
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26 return t[k];
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27 end
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28 end
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29
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30 local function read_file(base_path, fn, required)
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31 local f, err = io.open(base_path .. "/" .. fn);
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32 if not f then
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33 module:log(required and "error" or "debug", "Unable to load template file: %s", err);
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34 if required then
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35 return error("Failed to load templates");
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36 end
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37 return nil;
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38 end
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39 local data = assert(f:read("*a"));
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40 assert(f:close());
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41 return data;
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42 end
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43
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44 local template_path = module:get_option_path("oauth2_template_path", "html");
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45 local templates = {
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46 login = read_file(template_path, "login.html", true);
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47 consent = read_file(template_path, "consent.html", true);
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48 error = read_file(template_path, "error.html", true);
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49 css = read_file(template_path, "style.css");
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50 js = read_file(template_path, "script.js");
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51 };
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52
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53 local site_name = module:get_option_string("site_name", module.host);
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54
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55 local _render_html = require"util.interpolation".new("%b{}", st.xml_escape);
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56 local function render_page(template, data, sensitive)
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57 data = data or {};
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58 data.site_name = site_name;
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diff changeset
59 local resp = {
5218
1f4b768c831a mod_http_oauth2: Correct field name for HTTP response status code
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60 status_code = 200;
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61 headers = {
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62 ["Content-Type"] = "text/html; charset=utf-8";
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63 ["Content-Security-Policy"] = "default-src 'self'";
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64 ["X-Frame-Options"] = "DENY";
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65 ["Cache-Control"] = (sensitive and "no-store" or "no-cache")..", private";
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66 };
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67 body = _render_html(template, data);
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68 };
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69 return resp;
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70 end
3903
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parents:
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71
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80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4
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parents: 3908
diff changeset
72 local tokens = module:depends("tokenauth");
3908
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parents: 3903
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73
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parents: 5278
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74 local default_access_ttl = module:get_option_number("oauth2_access_token_ttl", 86400);
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75 local default_refresh_ttl = module:get_option_number("oauth2_refresh_token_ttl", nil);
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76
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77 -- Used to derive client_secret from client_id, set to enable stateless dynamic registration.
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78 local registration_key = module:get_option_string("oauth2_registration_key");
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79 local registration_algo = module:get_option_string("oauth2_registration_algorithm", "HS256");
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80 local registration_options = module:get_option("oauth2_registration_options", { default_ttl = 60 * 60 * 24 * 90 });
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81
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82 local pkce_required = module:get_option_boolean("oauth2_require_code_challenge", false);
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83
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parents: 5198
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84 local verification_key;
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85 local jwt_sign, jwt_verify;
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parents: 5195
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86 if registration_key then
5193
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87 -- Tie it to the host if global
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88 verification_key = hashes.hmac_sha256(registration_key, module.host);
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89 jwt_sign, jwt_verify = jwt.init(registration_algo, registration_key, registration_key, registration_options);
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90 end
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91
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92 local function parse_scopes(scope_string)
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93 return array(scope_string:gmatch("%S+"));
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94 end
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95
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96 local openid_claims = set.new({ "openid", "profile"; "email"; "address"; "phone" });
5337
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97
5256
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98 local function filter_scopes(username, requested_scope_string)
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99 local selected_role, granted_scopes = nil, array();
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100
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101 if requested_scope_string then -- Specific role(s) requested
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102 local requested_scopes = parse_scopes(requested_scope_string);
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103 for _, scope in ipairs(requested_scopes) do
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104 if openid_claims:contains(scope) then
5255
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105 granted_scopes:push(scope);
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106 end
5254
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diff changeset
107 if selected_role == nil and usermanager.user_can_assume_role(username, module.host, scope) then
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diff changeset
108 selected_role = scope;
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109 end
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110 end
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111 end
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112
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diff changeset
113 if not selected_role then
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diff changeset
114 -- By default use the users' default role
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diff changeset
115 selected_role = usermanager.get_user_role(username, module.host).name;
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116 end
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diff changeset
117 granted_scopes:push(selected_role);
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118
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diff changeset
119 return granted_scopes:concat(" "), selected_role;
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120 end
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121
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diff changeset
122 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
123 return os.difftime(code.expires, os.time());
4669
d3434fd151b5 mod_http_oauth2: Optimize cleanup timer
Kim Alvefur <zash@zash.se>
parents: 4370
diff changeset
124 end
d3434fd151b5 mod_http_oauth2: Optimize cleanup timer
Kim Alvefur <zash@zash.se>
parents: 4370
diff changeset
125
5213
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
126 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
127 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
128 end
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision
Kim Alvefur <zash@zash.se>
parents: 4265
diff changeset
129
4271
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
130 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
131 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
132 end);
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
133
5213
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
134 -- Periodically clear out unredeemed codes. Does not need to be exact, expired
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
135 -- codes are rejected if tried. Mostly just to keep memory usage in check.
5354
39d59d857bfb mod_http_oauth2: Use new mod_cron API for periodic cleanup
Kim Alvefur <zash@zash.se>
parents: 5341
diff changeset
136 module:hourly("Clear expired authorization codes", function()
4272
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
137 local k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
138 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
139 codes:set(k, nil);
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
140 k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
141 end
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
142 end)
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes
Kim Alvefur <zash@zash.se>
parents: 4271
diff changeset
143
5207
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
144 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
145 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
146 end
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
147
5209
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
148 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
149 local function is_secure_redirect(uri)
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
150 local u = url.parse(uri);
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
151 return u.scheme ~= "http" or loopbacks:contains(u.host);
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
152 end
942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs
Matthew Wild <mwild1@gmail.com>
parents: 5208
diff changeset
153
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154 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
155 return errors.new({
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156 type = "modify";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157 condition = "bad-request";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 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
159 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
160 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
161 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163
5248
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
164 -- 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
165 -- 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
166 -- 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
167 local function client_subset(client)
5378
6155c46d9eea mod_http_oauth2: Record OAuth software id and version attached to tokens
Kim Alvefur <zash@zash.se>
parents: 5377
diff changeset
168 return { name = client.client_name; uri = client.client_uri; id = client.software_id; version = client.software_version };
5248
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
169 end
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to
Kim Alvefur <zash@zash.se>
parents: 5247
diff changeset
170
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
171 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
172 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
173 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
174 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
175 end
5254
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes
Kim Alvefur <zash@zash.se>
parents: 5252
diff changeset
176 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
177 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
178 end
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
179
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
180 local refresh_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
181 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
182 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
183 -- No existing grant, create one
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
184 grant = tokens.create_grant(token_jid, token_jid, default_refresh_ttl, token_data);
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
185 -- Create refresh token for the grant if desired
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
186 refresh_token = refresh_token_info ~= false and tokens.create_token(token_jid, grant, nil, nil, "oauth2-refresh");
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
187 else
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
188 -- Grant exists, reuse existing refresh token
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
189 refresh_token = refresh_token_info.token;
5341
dcb93ffe64ae mod_http_oauth2: Fix error due to reference loop when using refresh token
Kim Alvefur <zash@zash.se>
parents: 5340
diff changeset
190
dcb93ffe64ae mod_http_oauth2: Fix error due to reference loop when using refresh token
Kim Alvefur <zash@zash.se>
parents: 5340
diff changeset
191 refresh_token_info.grant = nil; -- Prevent reference loop
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
192 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
193
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
194 local access_token, access_token_info = tokens.create_token(token_jid, grant, role, default_access_ttl, "oauth2");
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
195
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
196 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
197 return {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198 token_type = "bearer";
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
199 access_token = access_token;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
200 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
201 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
202 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
203 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
204 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
205 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
207 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
208 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
209 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
210 -- 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
211 return;
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
212 end
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
213 -- 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
214 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
215 end
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
216 -- 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
217 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
218 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
219 return redirect_uri
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
220 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
221 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
222 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
223
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 local grant_type_handlers = {};
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
225 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
226 local verifier_transforms = {};
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 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
229 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
230 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
231 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
232
3908
8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens
Matthew Wild <mwild1@gmail.com>
parents: 3903
diff changeset
233 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
234 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
235 end
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
236 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
237 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
238 end
4340
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
239
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
240 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
241 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
242 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
243 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
245 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
246 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
247 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
248 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
249 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
250 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
251
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
252 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
253 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
254 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
255
5243
d5dc8edb2695 mod_http_oauth2: Use more compact IDs
Kim Alvefur <zash@zash.se>
parents: 5242
diff changeset
256 local code = id.medium();
4670
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
257 local ok = codes:set(params.client_id .. "#" .. code, {
5213
dc0f502c12f1 mod_http_oauth2: Fix authorization code logic
Kim Alvefur <zash@zash.se>
parents: 5210
diff changeset
258 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
259 granted_jid = granted_jid;
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really)
Matthew Wild <mwild1@gmail.com>
parents: 4276
diff changeset
260 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
261 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
262 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
263 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
264 id_token = id_token;
4670
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
265 });
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
266 if not ok then
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
267 return {status_code = 429};
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure
Kim Alvefur <zash@zash.se>
parents: 4669
diff changeset
268 end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
269
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
270 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
5188
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
271 if redirect_uri == "urn:ietf:wg:oauth:2.0:oob" then
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
272 -- TODO some nicer template page
5206
31c62df82aa8 mod_http_oauth2: Clarify comment referencing mod_http_errors (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 5205
diff changeset
273 -- mod_http_errors will set content-type to text/html if it catches this
31c62df82aa8 mod_http_oauth2: Clarify comment referencing mod_http_errors (thanks MattJ)
Kim Alvefur <zash@zash.se>
parents: 5205
diff changeset
274 -- event, if not text/plain is kept for the fallback text.
5188
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
275 local response = { status_code = 200; headers = { content_type = "text/plain" } }
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
276 response.body = module:context("*"):fire_event("http-message", {
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
277 response = response;
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
278 title = "Your authorization code";
5195
b4932915e773 mod_http_oauth2: Mention name of client when giving out OOB authorization code
Kim Alvefur <zash@zash.se>
parents: 5194
diff changeset
279 message = "Here's your authorization code, copy and paste it into " .. (client.client_name or "your client");
5188
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
280 extra = code;
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
281 }) or ("Here's your authorization code:\n%s\n"):format(code);
5190
1733f184e2bb mod_http_oauth2: Fix to actually return OOB response
Kim Alvefur <zash@zash.se>
parents: 5189
diff changeset
282 return response;
5219
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback
Matthew Wild <mwild1@gmail.com>
parents: 5218
diff changeset
283 elseif not redirect_uri then
5247
dc27b997e969 mod_http_oauth2: Invoke mod_http_errors to render error on invalid redirect
Kim Alvefur <zash@zash.se>
parents: 5246
diff changeset
284 return 400;
5188
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
285 end
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
286
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow
Kim Alvefur <zash@zash.se>
parents: 5187
diff changeset
287 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
288
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
289 local query = http.formdecode(redirect.query or "");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
290 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
291 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
292 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
293 if params.state then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
294 table.insert(query, { name = "state", value = params.state });
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
295 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
296 redirect.query = http.formencode(query);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
297
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
298 return {
5210
898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects
Matthew Wild <mwild1@gmail.com>
parents: 5209
diff changeset
299 status_code = 303;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
300 headers = {
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
301 location = url.build(redirect);
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
302 };
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
303 }
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
304 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
305
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
306 -- Implicit flow
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
307 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
308 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
309 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
310 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
311 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths
Kim Alvefur <zash@zash.se>
parents: 5255
diff changeset
312 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
313 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
314
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
315 local redirect = url.parse(get_redirect_uri(client, params.redirect_uri));
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
316 token_info.state = params.state;
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
317 redirect.fragment = http.formencode(token_info);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
318
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
319 return {
5210
898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects
Matthew Wild <mwild1@gmail.com>
parents: 5209
diff changeset
320 status_code = 303;
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
321 headers = {
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
322 location = url.build(redirect);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
323 };
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
324 }
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
325 end
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
326
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
327 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
328 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
329 end
4263
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
330
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
331 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
332 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
333 end
d3af5f94d6df mod_http_oauth2: Improve storage of client secret
Kim Alvefur <zash@zash.se>
parents: 4260
diff changeset
334
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
335 function grant_type_handlers.authorization_code(params)
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
336 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
337 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
338 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
339 if params.scope and params.scope ~= "" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
340 return oauth_error("invalid_scope", "unknown scope requested");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
341 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
342
5252
85f0c6c1c24f mod_http_oauth2: Fix attempt to index a boolean value
Kim Alvefur <zash@zash.se>
parents: 5248
diff changeset
343 local client_ok, client = jwt_verify(params.client_id);
85f0c6c1c24f mod_http_oauth2: Fix attempt to index a boolean value
Kim Alvefur <zash@zash.se>
parents: 5248
diff changeset
344 if not client_ok then
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
345 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
346 end
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
347
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
348 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
349 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
350 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
351 end
4271
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage
Kim Alvefur <zash@zash.se>
parents: 4270
diff changeset
352 local code, err = codes:get(params.client_id .. "#" .. params.code);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
353 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
354 -- 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
355 -- prevent a second attempted use
d5492bc861f6 mod_http_oauth2: Remove authorization codes after use
Kim Alvefur <zash@zash.se>
parents: 5213
diff changeset
356 codes:set(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
357 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
358 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
359 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
360 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
361
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
362 -- 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
363 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
364 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
365 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
366 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
367 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
368 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
369
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
370 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
371 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
372
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
373 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
374 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
375 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
376 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
377
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
378 local client_ok, client = jwt_verify(params.client_id);
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
379 if not client_ok then
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
380 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
381 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
382
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
383 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
384 module:log("debug", "client_secret mismatch");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
385 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
386 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
387
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
388 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
389 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
390 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
391 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
392
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
393 -- 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
394 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
395
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
396 return json.encode(new_access_token(
5340
cd195283127f mod_http_oauth2: Fix table index error when using refresh token
Kim Alvefur <zash@zash.se>
parents: 5337
diff changeset
397 refresh_token_info.jid, refresh_token_info.role, refresh_token_info.grant.data.oauth2_scopes, client, nil, refresh_token_info
5280
eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86
Matthew Wild <mwild1@gmail.com>
parents: 5279
diff changeset
398 ));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
399 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
400
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
401 -- 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
402
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
403 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
404 -- 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
405 return code_verifier;
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
406 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
407
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
408 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
409 -- 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
410 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
411 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
412
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
413 -- 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
414 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
415
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
416 -- 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
417 -- 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
418 -- 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
419 -- (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
420 -- to one of them).
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
421 -- 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
422 -- 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
423 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
424 local form = request.method == "POST"
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
425 and request.body
5276
67777cb7353d mod_http_oauth2: Pedantic optimization
Kim Alvefur <zash@zash.se>
parents: 5273
diff changeset
426 and request.body ~= ""
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
427 and request.headers.content_type == "application/x-www-form-urlencoded"
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
428 and http.formdecode(request.body);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
429
5277
a1055024b94e mod_http_oauth2: Stricten check of urlencoded form data
Kim Alvefur <zash@zash.se>
parents: 5276
diff changeset
430 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
431
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
432 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
433 -- First step: login
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
434 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
435 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
436 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
437 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
438 error = "Invalid username/password";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
439 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
440 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
441 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
442 user = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
443 username = username;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
444 host = module.host;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
445 token = new_user_token({ username = username, host = module.host });
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
446 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
447 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
448 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
449 -- Second step: consent
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
450 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
451 if not ok then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
452 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
453 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
454 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
455 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
456
5271
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
457 local scope = array():append(form):filter(function(field)
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
458 return field.name == "scope";
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
459 end):pluck("value"):concat(" ");
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
460
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
461 user.token = form.user_token;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
462 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
463 user = user;
5271
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
464 scope = scope;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
465 consent = form.consent == "granted";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
466 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
467 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
468
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
469 return {};
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
470 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
471
5222
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
472 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
473 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
474
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
475 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
476
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
477 if auth_type == "Basic" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
478 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
479 if not creds then return; end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
480 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
481 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
482 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
483 type = "basic";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
484 username = username;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
485 password = password;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
486 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
487 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
488 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
489 type = "bearer";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
490 bearer_token = auth_data;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
491 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
492 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
493
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
494 return nil;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
495 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying
Matthew Wild <mwild1@gmail.com>
parents: 5221
diff changeset
496
3920
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
497 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
498 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
499
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
500 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
501 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
502 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
503 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
504 if params.scope then
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
505 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
506 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
507 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
508 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
509 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
510 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
511 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
512 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
513 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
514 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
515 end
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
516
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
517 -- TODO How would this make sense with components?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
518 -- Have an admin authenticate maybe?
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
519 response_type_handlers.code = nil;
5186
fa3059e653fa mod_http_oauth2: Implement the Implicit flow
Kim Alvefur <zash@zash.se>
parents: 5185
diff changeset
520 response_type_handlers.token = nil;
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
521 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
522 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components
Kim Alvefur <zash@zash.se>
parents: 3919
diff changeset
523
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
524 -- 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
525 -- 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
526 -- 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
527 -- 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
528 -- error directly to the user-agent.
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
529 local function error_response(request, err)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
530 local q = request.url.query and http.formdecode(request.url.query);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
531 local redirect_uri = q and q.redirect_uri;
5217
6a27effb3ef0 mod_http_oauth2: Fix incorrect function name (thanks Zash/luacheck)
Matthew Wild <mwild1@gmail.com>
parents: 5214
diff changeset
532 if not redirect_uri or not is_secure_redirect(redirect_uri) then
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
533 module:log("warn", "Missing or invalid redirect_uri <%s>, rendering error to user-agent", redirect_uri or "");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
534 return render_page(templates.error, { error = err });
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
535 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
536 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
537 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
538 redirect_uri = redirect_uri
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
539 .. 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
540 .. "&" .. 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
541 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
542 return {
5210
898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects
Matthew Wild <mwild1@gmail.com>
parents: 5209
diff changeset
543 status_code = 303;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
544 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
545 location = redirect_uri;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
546 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
547 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
548 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
549
5279
2b858cccac8f mod_http_oauth2: Add support for refresh tokens
Matthew Wild <mwild1@gmail.com>
parents: 5278
diff changeset
550 local allowed_grant_type_handlers = module:get_option_set("allowed_oauth2_grant_types", {"authorization_code", "password", "refresh_token"})
5187
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
551 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
552 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
553 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
554 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
555 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
556 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
557 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
558 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
559
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
560 -- "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
561 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
562 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
563 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
564 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
565 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
566 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled
Kim Alvefur <zash@zash.se>
parents: 5229
diff changeset
567 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
568 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
569 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types
Kim Alvefur <zash@zash.se>
parents: 5186
diff changeset
570
5384
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
571 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
572 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
573 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
574 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
575 verifier_transforms[handler_type] = nil;
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
576 else
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
577 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
578 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
579 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods
Kim Alvefur <zash@zash.se>
parents: 5383
diff changeset
580
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
581 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
582 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
583
3934
469408682152 mod_http_oauth2: Set content type on successful repsponses (fixes #1501)
Kim Alvefur <zash@zash.se>
parents: 3920
diff changeset
584 event.response.headers.content_type = "application/json";
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
585 local params = http.formdecode(event.request.body);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
586 if not params then
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
587 return error_response(event.request, oauth_error("invalid_request"));
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
588 end
5223
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
589
5225
3439eb37f23b mod_http_oauth2: token endpoint: handle missing credentials
Matthew Wild <mwild1@gmail.com>
parents: 5224
diff changeset
590 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
591 -- 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
592 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
593 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
594 end
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint
Matthew Wild <mwild1@gmail.com>
parents: 5222
diff changeset
595
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
596 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
597 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
598 if not grant_handler then
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
599 return error_response(event.request, oauth_error("unsupported_grant_type"));
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
600 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
601 return grant_handler(params);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
602 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
603
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
604 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
605 local request = event.request;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
606
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
607 if not request.url.query then
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
608 return error_response(request, oauth_error("invalid_request"));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
609 end
4258
cc712899becd mod_http_oauth2: Unpack event object to improve readability
Kim Alvefur <zash@zash.se>
parents: 4257
diff changeset
610 local params = http.formdecode(request.url.query);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
611 if not params then
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
612 return error_response(request, oauth_error("invalid_request"));
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
613 end
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 if not params.client_id then return oauth_error("invalid_request", "missing 'client_id'"); end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
616
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
617 local ok, client = jwt_verify(params.client_id);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
618
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
619 if not ok then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
620 return oauth_error("invalid_client", "incorrect credentials");
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
621 end
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
622
5405
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
623 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
624 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
625 if not client_response_types:contains(params.response_type) then
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
626 return oauth_error("invalid_client", "response_type not allowed");
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
627 end
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id
Kim Alvefur <zash@zash.se>
parents: 5404
diff changeset
628
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
629 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
630 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
631 -- Render login page
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
632 return render_page(templates.login, { state = auth_state, client = client });
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
633 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
634 -- Render consent page
5273
40be37652d70 mod_http_oauth2: Fix traceback on missing 'scope' parameter
Kim Alvefur <zash@zash.se>
parents: 5271
diff changeset
635 return render_page(templates.consent, { state = auth_state; client = client; scopes = parse_scopes(params.scope or "") }, true);
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
636 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
637 -- Notify client of rejection
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
638 return error_response(request, oauth_error("access_denied"));
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
639 end
5271
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
640 -- 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
641
3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant
Kim Alvefur <zash@zash.se>
parents: 5268
diff changeset
642 params.scope = auth_state.scope;
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
643
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
644 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
645 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
646 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
647 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
648 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
649 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
650 aud = params.client_id;
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
651 nonce = params.nonce;
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
652 });
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
653 local response_type = params.response_type;
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
654 local response_handler = response_type_handlers[response_type];
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
655 if not response_handler then
5208
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
656 return error_response(request, oauth_error("unsupported_response_type"));
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
657 end
5257
b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow
Kim Alvefur <zash@zash.se>
parents: 5256
diff changeset
658 return response_handler(client, params, user_jid, id_token);
4256
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
659 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow
Kim Alvefur <zash@zash.se>
parents: 4237
diff changeset
660
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
661 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
662 local request, response = event.request, event.response;
5265
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
663 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
664 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
665 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
666 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
667 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
668 end
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
669 -- OAuth "client" credentials
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
670 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
671 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials
Kim Alvefur <zash@zash.se>
parents: 5264
diff changeset
672 end
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
673 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
674
5267
60e0bc35de33 mod_http_oauth2: Relax payload content type checking in revocation
Kim Alvefur <zash@zash.se>
parents: 5266
diff changeset
675 local form_data = http.formdecode(event.request.body or "");
4370
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
676 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
677 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
678 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
679 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
680 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
681 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
682 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
683 return 500;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
684 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
685 return 200;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
686 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda)
Matthew Wild <mwild1@gmail.com>
parents: 4340
diff changeset
687
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
688 local registration_schema = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
689 type = "object";
5237
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
690 required = {
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
691 -- 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
692 "client_name";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
693 "client_uri";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
694 -- 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
695 "redirect_uris";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration
Kim Alvefur <zash@zash.se>
parents: 5236
diff changeset
696 };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
697 properties = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
698 redirect_uris = { type = "array"; minLength = 1; items = { type = "string"; format = "uri" } };
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
699 token_endpoint_auth_method = {
ca477408f90b mod_http_oauth2: Fix misplaced 'default' on wrong side of } in client registration schema
Kim Alvefur <zash@zash.se>
parents: 5375
diff changeset
700 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
701 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
702 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
703 };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
704 grant_types = {
5236
ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema
Kim Alvefur <zash@zash.se>
parents: 5231
diff changeset
705 type = "array";
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
706 items = {
5236
ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema
Kim Alvefur <zash@zash.se>
parents: 5231
diff changeset
707 type = "string";
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
708 enum = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
709 "authorization_code";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
710 "implicit";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
711 "password";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
712 "client_credentials";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
713 "refresh_token";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
714 "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
715 "urn:ietf:params:oauth:grant-type:saml2-bearer";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
716 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
717 };
5366
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
718 default = { "authorization_code" };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
719 };
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
720 application_type = { type = "string"; enum = { "native"; "web" }; default = "web" };
5366
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
721 response_types = { type = "array"; items = { type = "string"; enum = { "code"; "token" } }; default = { "code" } };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
722 client_name = { type = "string" };
5359
230fc6a0c086 mod_http_oauth2: Use new Lua pattern schema properties
Kim Alvefur <zash@zash.se>
parents: 5358
diff changeset
723 client_uri = { type = "string"; format = "uri"; luaPattern = "^https:" };
5364
0444953e3247 mod_http_oauth2: Normalize whitespace in client metadata schema
Kim Alvefur <zash@zash.se>
parents: 5359
diff changeset
724 logo_uri = { type = "string"; format = "uri"; luaPattern = "^https:" };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
725 scope = { type = "string" };
5389
d872a1cd8c1d mod_http_oauth2: Specify that 'contacts' items are emails in client registration
Kim Alvefur <zash@zash.se>
parents: 5388
diff changeset
726 contacts = { type = "array"; items = { type = "string"; format = "email" } };
5364
0444953e3247 mod_http_oauth2: Normalize whitespace in client metadata schema
Kim Alvefur <zash@zash.se>
parents: 5359
diff changeset
727 tos_uri = { type = "string"; format = "uri"; luaPattern = "^https:" };
0444953e3247 mod_http_oauth2: Normalize whitespace in client metadata schema
Kim Alvefur <zash@zash.se>
parents: 5359
diff changeset
728 policy_uri = { type = "string"; format = "uri"; luaPattern = "^https:" };
0444953e3247 mod_http_oauth2: Normalize whitespace in client metadata schema
Kim Alvefur <zash@zash.se>
parents: 5359
diff changeset
729 jwks_uri = { type = "string"; format = "uri"; luaPattern = "^https:" };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
730 jwks = { type = "object"; description = "JSON Web Key Set, RFC 7517" };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
731 software_id = { type = "string"; format = "uuid" };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
732 software_version = { type = "string" };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
733 };
5365
698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata
Kim Alvefur <zash@zash.se>
parents: 5364
diff changeset
734 luaPatternProperties = {
698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata
Kim Alvefur <zash@zash.se>
parents: 5364
diff changeset
735 -- Localized versions of descriptive properties and URIs
698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata
Kim Alvefur <zash@zash.se>
parents: 5364
diff changeset
736 ["^client_name#"] = { description = "Localized version of 'client_name'"; type = "string" };
698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata
Kim Alvefur <zash@zash.se>
parents: 5364
diff changeset
737 ["^[a-z_]+_uri#"] = { type = "string"; format = "uri"; luaPattern = "^https:" };
698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata
Kim Alvefur <zash@zash.se>
parents: 5364
diff changeset
738 };
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
739 }
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
740
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
741 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
742 local uri = url.parse(redirect_uri);
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
743 if app_type == "native" then
5394
434ee49b04de mod_http_oauth2: Allow loopback IP literals in redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5393
diff changeset
744 return uri.scheme == "http" and loopbacks:contains(uri.host) or uri.scheme ~= "https";
5367
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
745 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
746 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
747 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
748 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type
Kim Alvefur <zash@zash.se>
parents: 5366
diff changeset
749
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
750 function create_client(client_metadata)
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
751 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
752 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
753 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
754
5366
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
755 -- Fill in default values
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
756 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
757 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
758 client_metadata[propname] = propspec.default;
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
759 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
760 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults
Kim Alvefur <zash@zash.se>
parents: 5365
diff changeset
761
5246
fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration
Kim Alvefur <zash@zash.se>
parents: 5245
diff changeset
762 local client_uri = url.parse(client_metadata.client_uri);
5401
c8d04ac200fc mod_http_oauth2: Reject loopback URIs as client_uri
Kim Alvefur <zash@zash.se>
parents: 5400
diff changeset
763 if not client_uri or client_uri.scheme ~= "https" or loopbacks:contains(client_uri.host) then
5402
fbf3ede7541b mod_http_oauth2: More appropriate error conditions in client validation
Kim Alvefur <zash@zash.se>
parents: 5401
diff changeset
764 return nil, oauth_error("invalid_client_metadata", "Missing, invalid or insecure client_uri");
5246
fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration
Kim Alvefur <zash@zash.se>
parents: 5245
diff changeset
765 end
fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration
Kim Alvefur <zash@zash.se>
parents: 5245
diff changeset
766
5239
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
767 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
768 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
769 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
770 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5241
diff changeset
771 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5241
diff changeset
772
5244
fa7bd721a3f6 mod_http_oauth2: Fix validation of informative URIs
Kim Alvefur <zash@zash.se>
parents: 5243
diff changeset
773 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
774 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
775 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
776 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
777 end
5239
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
778 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
779 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs
Kim Alvefur <zash@zash.se>
parents: 5237
diff changeset
780
5357
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs
Kim Alvefur <zash@zash.se>
parents: 5356
diff changeset
781 for k, v in pairs(client_metadata) do
5404
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration
Kim Alvefur <zash@zash.se>
parents: 5403
diff changeset
782 local base_k = k:match"^([^#]+)#" or k;
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration
Kim Alvefur <zash@zash.se>
parents: 5403
diff changeset
783 if not registration_schema.properties[base_k] or k:find"^client_uri#" then
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration
Kim Alvefur <zash@zash.se>
parents: 5403
diff changeset
784 -- Ignore and strip unknown extra properties
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration
Kim Alvefur <zash@zash.se>
parents: 5403
diff changeset
785 client_metadata[k] = nil;
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration
Kim Alvefur <zash@zash.se>
parents: 5403
diff changeset
786 elseif k:find"_uri#" then
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration
Kim Alvefur <zash@zash.se>
parents: 5403
diff changeset
787 -- Localized URIs should be secure too
5403
c574aaaa4d57 mod_http_oauth2: Simplify validation of various URIs
Kim Alvefur <zash@zash.se>
parents: 5402
diff changeset
788 if not redirect_uri_allowed(v, client_uri, "web") then
c574aaaa4d57 mod_http_oauth2: Simplify validation of various URIs
Kim Alvefur <zash@zash.se>
parents: 5402
diff changeset
789 return nil, oauth_error("invalid_client_metadata", "Invalid, insecure or inappropriate informative URI");
5357
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs
Kim Alvefur <zash@zash.se>
parents: 5356
diff changeset
790 end
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs
Kim Alvefur <zash@zash.se>
parents: 5356
diff changeset
791 end
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs
Kim Alvefur <zash@zash.se>
parents: 5356
diff changeset
792 end
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs
Kim Alvefur <zash@zash.se>
parents: 5356
diff changeset
793
5406
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
794 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
795 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
796
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
797 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
798 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
799 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
800 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
801 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
802
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
803 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
804 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
805 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
806 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
807 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types
Kim Alvefur <zash@zash.se>
parents: 5405
diff changeset
808
5243
d5dc8edb2695 mod_http_oauth2: Use more compact IDs
Kim Alvefur <zash@zash.se>
parents: 5242
diff changeset
809 -- Ensure each signed client_id JWT is unique, short ID and issued at
d5dc8edb2695 mod_http_oauth2: Use more compact IDs
Kim Alvefur <zash@zash.se>
parents: 5242
diff changeset
810 -- timestamp should be sufficient to rule out brute force attacks
d5dc8edb2695 mod_http_oauth2: Use more compact IDs
Kim Alvefur <zash@zash.se>
parents: 5242
diff changeset
811 client_metadata.nonce = id.short();
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
812
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
813 -- Do we want to keep everything?
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
814 local client_id = jwt_sign(client_metadata);
5262
e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions
Kim Alvefur <zash@zash.se>
parents: 5259
diff changeset
815 local client_secret = make_client_secret(client_id);
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
816
5221
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
817 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
818 client_metadata.client_secret = client_secret;
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
819 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
820 client_metadata.client_secret_expires_at = 0;
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
821
5202
b81fd0d22c66 mod_http_oauth2: Calculate client secret expiry in registration response
Kim Alvefur <zash@zash.se>
parents: 5201
diff changeset
822 if not registration_options.accept_expired then
5221
22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration
Matthew Wild <mwild1@gmail.com>
parents: 5219
diff changeset
823 client_metadata.client_secret_expires_at = client_metadata.client_id_issued_at + (registration_options.default_ttl or 3600);
5202
b81fd0d22c66 mod_http_oauth2: Calculate client secret expiry in registration response
Kim Alvefur <zash@zash.se>
parents: 5201
diff changeset
824 end
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
825
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
826 return client_metadata;
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
827 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
828
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
829 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
830 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
831 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
832 if err then
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
833 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
834 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
835
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
836 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
837 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
838
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
839 return {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
840 status_code = 201;
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
841 headers = { content_type = "application/json" };
5259
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation
Kim Alvefur <zash@zash.se>
parents: 5258
diff changeset
842 body = json.encode(response);
5193
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
843 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
844 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
845
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
846 if not registration_key then
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
847 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
848 handle_authorization_request = nil
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
849 handle_register_request = nil
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
850 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration
Kim Alvefur <zash@zash.se>
parents: 5192
diff changeset
851
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
852 local function handle_userinfo_request(event)
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
853 local request = event.request;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
854 local credentials = get_request_credentials(request);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
855 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
856 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
857 return 401;
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
858 end
5336
77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5335
diff changeset
859 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
860 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
861 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
862 return 403;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
863 end
5337
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
864 local scopes = set.new()
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
865 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
866 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
867 else
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
868 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
869 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
870
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
871 if not scopes:contains("openid") then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
872 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
873 -- 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
874 return 403;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
875 end
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
876
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
877 local user_info = {
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
878 iss = get_issuer();
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
879 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
880 }
5337
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
881
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
882 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
883 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
884 if not token_claims:empty() then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
885 -- Another module can do that
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
886 module:fire_event("token/userinfo", {
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
887 token = token_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
888 claims = token_claims;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
889 username = jid.split(token_info.jid);
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
890 userinfo = user_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
891 });
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
892 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims
Kim Alvefur <zash@zash.se>
parents: 5336
diff changeset
893
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
894 return {
5258
9629971e307f mod_http_oauth2: Fix userinfo status code off-by-one
Kim Alvefur <zash@zash.se>
parents: 5257
diff changeset
895 status_code = 200;
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
896 headers = { content_type = "application/json" };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
897 body = json.encode(user_info);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
898 };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
899 end
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
900
3903
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
901 module:depends("http");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
902 module:provides("http", {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
903 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
904 -- 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
905 -- 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
906
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
907 -- 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
908 ["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
909
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
910 -- 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
911 ["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
912 ["POST /authorize"] = handle_authorization_request;
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
913
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
914 -- 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
915 -- 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
916 -- is delivered here.
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
917
5382
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
918 -- 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
919 ["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
920
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
921 -- 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
922
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0
Kim Alvefur <zash@zash.se>
parents: 5378
diff changeset
923 -- 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
924 ["POST /revoke"] = handle_revocation_request;
5245
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
925
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
926 -- OpenID
5228
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint
Kim Alvefur <zash@zash.se>
parents: 5225
diff changeset
927 ["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
928
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
929 -- Optional static content for templates
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
930 ["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
931 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
932 ["Content-Type"] = "text/css";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
933 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
934 body = _render_html(templates.css, module:get_option("oauth2_template_style"));
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
935 } or nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
936 ["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
937 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
938 ["Content-Type"] = "text/javascript";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
939 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
940 body = templates.js;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages
Matthew Wild <mwild1@gmail.com>
parents: 5207
diff changeset
941 } or nil;
5393
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema
Kim Alvefur <zash@zash.se>
parents: 5392
diff changeset
942
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema
Kim Alvefur <zash@zash.se>
parents: 5392
diff changeset
943 -- Some convenient fallback handlers
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema
Kim Alvefur <zash@zash.se>
parents: 5392
diff changeset
944 ["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
945 ["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
946 ["GET /revoke"] = 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
947 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
948 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
949
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
950 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
951
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
952 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
953 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
954 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
955 return;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
956 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
957 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
958 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
959 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
960 end, 5);
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
961
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
962 -- OIDC Discovery
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
963
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
964 module:provides("http", {
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
965 name = "oauth2-discovery";
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
966 default_path = "/.well-known/oauth-authorization-server";
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
967 route = {
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
968 ["GET"] = {
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
969 headers = { content_type = "application/json" };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
970 body = json.encode {
5263
381c62ef52aa mod_http_oauth2: Group metadata section into OAuth and OpenID
Kim Alvefur <zash@zash.se>
parents: 5262
diff changeset
971 -- RFC 8414: OAuth 2.0 Authorization Server Metadata
5207
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function
Matthew Wild <mwild1@gmail.com>
parents: 5206
diff changeset
972 issuer = get_issuer();
5200
afed7d5bd65c mod_http_oauth2: Advertise endpoints that are enabled
Kim Alvefur <zash@zash.se>
parents: 5199
diff changeset
973 authorization_endpoint = handle_authorization_request and module:http_url() .. "/authorize" or nil;
afed7d5bd65c mod_http_oauth2: Advertise endpoints that are enabled
Kim Alvefur <zash@zash.se>
parents: 5199
diff changeset
974 token_endpoint = handle_token_grant and module:http_url() .. "/token" or nil;
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
975 jwks_uri = nil; -- TODO?
5200
afed7d5bd65c mod_http_oauth2: Advertise endpoints that are enabled
Kim Alvefur <zash@zash.se>
parents: 5199
diff changeset
976 registration_endpoint = handle_register_request and module:http_url() .. "/register" or nil;
5358
0905d348bd34 mod_http_oauth2: Include additional OpenID scopes in metadata
Kim Alvefur <zash@zash.se>
parents: 5357
diff changeset
977 scopes_supported = usermanager.get_all_roles and array(it.keys(usermanager.get_all_roles(module.host))):append(array(openid_claims:items()));
5203
c60cff787d6a mod_http_oauth2: Return actually enabled response types in discovery
Kim Alvefur <zash@zash.se>
parents: 5202
diff changeset
978 response_types_supported = array(it.keys(response_type_handlers));
5385
544b92750a2a mod_http_oauth2: Advertise supported token endpoint auth methods
Kim Alvefur <zash@zash.se>
parents: 5384
diff changeset
979 token_endpoint_auth_methods_supported = array({ "client_secret_post"; "client_secret_basic" });
5397
18b57e91b5e5 mod_http_oauth2: Advertise revocation endpoint in metadata
Kim Alvefur <zash@zash.se>
parents: 5396
diff changeset
980 revocation_endpoint = handle_revocation_request and module:http_url() .. "/revoke" or nil;
18b57e91b5e5 mod_http_oauth2: Advertise revocation endpoint in metadata
Kim Alvefur <zash@zash.se>
parents: 5396
diff changeset
981 revocation_endpoint_auth_methods_supported = array({ "client_secret_basic" });
5383
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Kim Alvefur <zash@zash.se>
parents: 5382
diff changeset
982 code_challenge_methods_supported = array(it.keys(verifier_transforms));
5400
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction
Kim Alvefur <zash@zash.se>
parents: 5399
diff changeset
983 grant_types_supported = array(it.keys(response_type_handlers)):map(tmap { token = "implicit"; code = "authorization_code" });
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction
Kim Alvefur <zash@zash.se>
parents: 5399
diff changeset
984 response_modes_supported = array(it.keys(response_type_handlers)):map(tmap { token = "fragment"; code = "query" });
5192
03aa9baa9ac3 mod_http_oauth2: Add support for 'iss' authz response parameter (RFC 9207)
Matthew Wild <mwild1@gmail.com>
parents: 5191
diff changeset
985 authorization_response_iss_parameter_supported = true;
5263
381c62ef52aa mod_http_oauth2: Group metadata section into OAuth and OpenID
Kim Alvefur <zash@zash.se>
parents: 5262
diff changeset
986
381c62ef52aa mod_http_oauth2: Group metadata section into OAuth and OpenID
Kim Alvefur <zash@zash.se>
parents: 5262
diff changeset
987 -- OpenID
381c62ef52aa mod_http_oauth2: Group metadata section into OAuth and OpenID
Kim Alvefur <zash@zash.se>
parents: 5262
diff changeset
988 userinfo_endpoint = handle_register_request and module:http_url() .. "/userinfo" or nil;
5390
f2363e6d9a64 mod_http_oauth2: Advertise the currently supported id_token signing algorithm
Kim Alvefur <zash@zash.se>
parents: 5389
diff changeset
989 id_token_signing_alg_values_supported = { "HS256" };
5189
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
990 };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
991 };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
992 };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
993 });
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
994
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 5188
diff changeset
995 module:shared("tokenauth/oauthbearer_config").oidc_discovery_url = module:http_url("oauth2-discovery", "/.well-known/oauth-authorization-server");