prosody-modules: mod_http_oauth2/mod_http

annotate mod_http_oauth2/mod_http_oauth2.lua @ 5538:40f8b9cc2065

mod_firewall: Improve error when mark name contains invalid characters

author	Matthew Wild <mwild1@gmail.com>
date	Thu, 08 Jun 2023 16:59:22 +0100
parents	46e512f4ba14
children	cb141088eff0

rev	line source
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	1 local usermanager = require "core.usermanager";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	2 local url = require "socket.url";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	3 local array = require "util.array";
4271 9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	4 local cache = require "util.cache";
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	5 local encodings = require "util.encodings";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	6 local errors = require "util.error";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	7 local hashes = require "util.hashes";
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	8 local http = require "util.http";
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	9 local id = require "util.id";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	10 local it = require "util.iterators";
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	11 local jid = require "util.jid";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	12 local json = require "util.json";
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	13 local schema = require "util.jsonschema";
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	14 local jwt = require "util.jwt";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	15 local random = require "util.random";
5209 942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs Matthew Wild <mwild1@gmail.com> parents: 5208 diff changeset	16 local set = require "util.set";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	17 local st = require "util.stanza";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	18
5501 57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	19 local base64 = encodings.base64;
57ce8c4017e7 mod_http_oauth2: Sort imports Kim Alvefur <zash@zash.se> parents: 5495 diff changeset	20
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	21 local function b64url(s)
5392 c0a6f39caf47 mod_http_oauth2: Fix missing base64 part of base64url (Thanks KeyCloak) Kim Alvefur <zash@zash.se> parents: 5391 diff changeset	22 return (base64.encode(s):gsub("[+/=]", { ["+"] = "-", ["/"] = "_", ["="] = "" }))
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	23 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	24
5400 71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	25 local function tmap(t)
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	26 return function(k)
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	27 return t[k];
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	28 end
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	29 end
71766a4a7322 mod_http_oauth2: Reduce line count of metadata construction Kim Alvefur <zash@zash.se> parents: 5399 diff changeset	30
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	31 local function strict_formdecode(query)
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	32 if not query then
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	33 return nil;
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	34 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	35 local params = http.formdecode(query);
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	36 if type(params) ~= "table" then
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	37 return nil, "no-pairs";
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	38 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	39 local dups = {};
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	40 for _, pair in ipairs(params) do
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	41 if dups[pair.name] then
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	42 return nil, "duplicate";
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	43 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	44 dups[pair.name] = true;
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	45 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	46 return params;
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	47 end
0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	48
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	49 local function read_file(base_path, fn, required)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	50 local f, err = io.open(base_path .. "/" .. fn);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	51 if not f then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	52 module:log(required and "error" or "debug", "Unable to load template file: %s", err);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	53 if required then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	54 return error("Failed to load templates");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	55 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	56 return nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	57 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	58 local data = assert(f:read("*a"));
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	59 assert(f:close());
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	60 return data;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	61 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	62
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	63 local template_path = module:get_option_path("oauth2_template_path", "html");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	64 local templates = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	65 login = read_file(template_path, "login.html", true);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	66 consent = read_file(template_path, "consent.html", true);
5495 7998b49d6512 mod_http_oauth2: Create proper template for OOB code delivery Kim Alvefur <zash@zash.se> parents: 5480 diff changeset	67 oob = read_file(template_path, "oob.html", true);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	68 error = read_file(template_path, "error.html", true);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	69 css = read_file(template_path, "style.css");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	70 js = read_file(template_path, "script.js");
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	71 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	72
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	73 local site_name = module:get_option_string("site_name", module.host);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	74
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	75 local _render_html = require"util.interpolation".new("%b{}", st.xml_escape);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	76 local function render_page(template, data, sensitive)
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	77 data = data or {};
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	78 data.site_name = site_name;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	79 local resp = {
5470 40c990159006 mod_http_oauth2: Use error status code when rendering error page Kim Alvefur <zash@zash.se> parents: 5469 diff changeset	80 status_code = data.error and data.error.code or 200;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	81 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	82 ["Content-Type"] = "text/html; charset=utf-8";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	83 ["Content-Security-Policy"] = "default-src 'self'";
5479 30e2722c9fa3 mod_http_oauth2: Disable Referrer via header Kim Alvefur <zash@zash.se> parents: 5478 diff changeset	84 ["Referrer-Policy"] = "no-referrer";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	85 ["X-Frame-Options"] = "DENY";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	86 ["Cache-Control"] = (sensitive and "no-store" or "no-cache")..", private";
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	87 ["Pragma"] = "no-cache";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	88 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	89 body = _render_html(template, data);
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	90 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	91 return resp;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	92 end
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	93
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	94 local authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	95
3915 80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4 Matthew Wild <mwild1@gmail.com> parents: 3908 diff changeset	96 local tokens = module:depends("tokenauth");
3908 8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens Matthew Wild <mwild1@gmail.com> parents: 3903 diff changeset	97
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	98 local default_access_ttl = module:get_option_number("oauth2_access_token_ttl", 86400);
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	99 local default_refresh_ttl = module:get_option_number("oauth2_refresh_token_ttl", nil);
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	100
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	101 -- Used to derive client_secret from client_id, set to enable stateless dynamic registration.
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	102 local registration_key = module:get_option_string("oauth2_registration_key");
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	103 local registration_algo = module:get_option_string("oauth2_registration_algorithm", "HS256");
5416 2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients Kim Alvefur <zash@zash.se> parents: 5409 diff changeset	104 local registration_ttl = module:get_option("oauth2_registration_ttl", nil);
2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients Kim Alvefur <zash@zash.se> parents: 5409 diff changeset	105 local registration_options = module:get_option("oauth2_registration_options",
2393dbae51ed mod_http_oauth2: Add option for specifying TTL of registered clients Kim Alvefur <zash@zash.se> parents: 5409 diff changeset	106 { default_ttl = registration_ttl; accept_expired = not registration_ttl });
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	107
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	108 local pkce_required = module:get_option_boolean("oauth2_require_code_challenge", false);
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	109
5199 f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key Kim Alvefur <zash@zash.se> parents: 5198 diff changeset	110 local verification_key;
5459 260a859be86a mod_http_oauth2: Rename variables to improve clarity Kim Alvefur <zash@zash.se> parents: 5458 diff changeset	111 local sign_client, verify_client;
5196 6b63af56c8ac mod_http_oauth2: Remove error message Kim Alvefur <zash@zash.se> parents: 5195 diff changeset	112 if registration_key then
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	113 -- Tie it to the host if global
5199 f48628dc83f1 mod_http_oauth2: Separate client_secret verification key from JWT key Kim Alvefur <zash@zash.se> parents: 5198 diff changeset	114 verification_key = hashes.hmac_sha256(registration_key, module.host);
5459 260a859be86a mod_http_oauth2: Rename variables to improve clarity Kim Alvefur <zash@zash.se> parents: 5458 diff changeset	115 sign_client, verify_client = jwt.init(registration_algo, registration_key, registration_key, registration_options);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	116 end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	117
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	118 -- verify and prepare client structure
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	119 local function check_client(client_id)
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	120 if not verify_client then
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	121 return nil, "client-registration-not-enabled";
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	122 end
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	123
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	124 local ok, client = verify_client(client_id);
5511 0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	125 if not ok then
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	126 return ok, client;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	127 end
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	128
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	129 client.client_hash = b64url(hashes.sha256(client_id));
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	130 return client;
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	131 end
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	132
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	133 -- scope : string \| array \| set
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	134 --
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	135 -- at each step, allow the same or a subset of scopes
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	136 -- (all ( client ( grant ( token ) ) ))
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	137 -- preserve order since it determines role if more than one granted
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	138
9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	139 -- string -> array
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	140 local function parse_scopes(scope_string)
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	141 return array(scope_string:gmatch("%S+"));
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	142 end
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	143
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	144 local openid_claims = set.new();
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	145 module:add_item("openid-claim", "openid");
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	146
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	147 module:handle_items("openid-claim", function(event)
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	148 authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	149 openid_claims:add(event.item);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	150 end, function()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	151 authorization_server_metadata = nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	152 openid_claims = set.new(module:get_host_items("openid-claim"));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	153 end, true);
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	154
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	155 -- array -> array, array, array
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	156 local function split_scopes(scope_list)
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	157 local claims, roles, unknown = array(), array(), array();
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	158 local all_roles = usermanager.get_all_roles(module.host);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	159 for _, scope in ipairs(scope_list) do
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	160 if openid_claims:contains(scope) then
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	161 claims:push(scope);
5467 1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	162 elseif scope == "xmpp" or all_roles[scope] then
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	163 roles:push(scope);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	164 else
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	165 unknown:push(scope);
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	166 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	167 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	168 return claims, roles, unknown;
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	169 end
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	170
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	171 local function can_assume_role(username, requested_role)
5467 1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	172 return requested_role == "xmpp" or usermanager.user_can_assume_role(username, module.host, requested_role);
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	173 end
3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	174
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	175 -- function (string) : function(string) : boolean
5427 d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	176 local function role_assumable_by(username)
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	177 return function(role)
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	178 return can_assume_role(username, role);
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	179 end
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	180 end
d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	181
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	182 -- string, array --> array
5426 f75d95f27da7 mod_http_oauth2: Add function for filtering roles Kim Alvefur <zash@zash.se> parents: 5425 diff changeset	183 local function user_assumable_roles(username, requested_roles)
5427 d69c10327d6d mod_http_oauth2: More functional functions Kim Alvefur <zash@zash.se> parents: 5426 diff changeset	184 return array.filter(requested_roles, role_assumable_by(username));
5426 f75d95f27da7 mod_http_oauth2: Add function for filtering roles Kim Alvefur <zash@zash.se> parents: 5425 diff changeset	185 end
f75d95f27da7 mod_http_oauth2: Add function for filtering roles Kim Alvefur <zash@zash.se> parents: 5425 diff changeset	186
5449 9c19a6b8e542 mod_http_oauth2: Describe type signatures of scope handling functions Kim Alvefur <zash@zash.se> parents: 5448 diff changeset	187 -- string, string\|nil --> string, string
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	188 local function filter_scopes(username, requested_scope_string)
5428 07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	189 local requested_scopes, requested_roles = split_scopes(parse_scopes(requested_scope_string or ""));
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	190
5428 07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	191 local granted_roles = user_assumable_roles(username, requested_roles);
07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	192 local granted_scopes = requested_scopes + granted_roles;
5417 3902082c42c4 mod_http_oauth2: Refactor scope handling into smaller functions Kim Alvefur <zash@zash.se> parents: 5416 diff changeset	193
5428 07e166b34c4c mod_http_oauth2: Simplify code with the power of first class functions Kim Alvefur <zash@zash.se> parents: 5427 diff changeset	194 local selected_role = granted_roles[1];
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	195
b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	196 return granted_scopes:concat(" "), selected_role;
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	197 end
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	198
5213 dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	199 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	200 return os.difftime(code.expires, os.time());
4669 d3434fd151b5 mod_http_oauth2: Optimize cleanup timer Kim Alvefur <zash@zash.se> parents: 4370 diff changeset	201 end
d3434fd151b5 mod_http_oauth2: Optimize cleanup timer Kim Alvefur <zash@zash.se> parents: 4370 diff changeset	202
5213 dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	203 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	204 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	205 end
143515d0b212 mod_http_oauth2: Factor out authorization code validity decision Kim Alvefur <zash@zash.se> parents: 4265 diff changeset	206
4271 9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	207 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	208 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	209 end);
9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	210
5213 dc0f502c12f1 mod_http_oauth2: Fix authorization code logic Kim Alvefur <zash@zash.se> parents: 5210 diff changeset	211 -- 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	212 -- 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	213 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	214 local k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	215 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	216 codes:set(k, nil);
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	217 k, code = codes:tail();
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	218 end
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	219 end)
91b951fb3018 mod_http_oauth2: Periodically trim unused authorization codes Kim Alvefur <zash@zash.se> parents: 4271 diff changeset	220
5207 c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	221 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	222 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	223 end
c72e3b0914e8 mod_http_oauth: Factor out issuer URL calculation to a helper function Matthew Wild <mwild1@gmail.com> parents: 5206 diff changeset	224
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	225 -- Non-standard special redirect URI that has the AS show the authorization
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	226 -- code to the user for them to copy-paste into the client, which can then
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	227 -- continue as if it received it via redirect.
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	228 local oob_uri = "urn:ietf:wg:oauth:2.0:oob";
813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	229
5209 942f8a2f722d mod_http_oauth2: Allow non-HTTPS on localhost URLs Matthew Wild <mwild1@gmail.com> parents: 5208 diff changeset	230 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	231
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	232 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	233 return errors.new({
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	234 type = "modify";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	235 condition = "bad-request";
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	236 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	237 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	238 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	239 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	240 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	241
5248 b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	242 -- 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	243 -- 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	244 -- 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	245 local function client_subset(client)
5511 0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	246 return {
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	247 name = client.client_name;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	248 uri = client.client_uri;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	249 id = client.software_id;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	250 version = client.software_version;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	251 hash = client.client_hash;
0860497152af mod_http_oauth2: Record hash of client_id to allow future verification Kim Alvefur <zash@zash.se> parents: 5510 diff changeset	252 };
5248 b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	253 end
b8b2bf0c1b4b mod_http_oauth2: Record details of OAuth client a token is issued to Kim Alvefur <zash@zash.se> parents: 5247 diff changeset	254
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	255 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	256 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	257 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	258 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	259 end
5254 b0ccdd12a70d mod_http_oauth2: Prepare to handle multiple e.g. non-role scopes Kim Alvefur <zash@zash.se> parents: 5252 diff changeset	260 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	261 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	262 end
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	263
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	264 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	265 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	266 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	267 -- 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	268 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	269 -- 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	270 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	271 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	272 -- 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	273 refresh_token = refresh_token_info.token;
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	274 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	275
5467 1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	276 if role == "xmpp" then
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	277 -- Special scope meaning the users default role.
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	278 local user_default_role = usermanager.get_user_role(jid.node(token_jid), module.host);
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	279 role = user_default_role and user_default_role.name;
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	280 end
1c78a97a1091 mod_http_oauth2: Add a special "xmpp" scope that grants the users' default role Kim Alvefur <zash@zash.se> parents: 5466 diff changeset	281
5451 6705f2a09702 mod_http_oauth2: Reference grant by id instead of value Kim Alvefur <zash@zash.se> parents: 5450 diff changeset	282 local access_token, access_token_info = tokens.create_token(token_jid, grant.id, role, default_access_ttl, "oauth2");
5280 eb482defd9b0 mod_http_oauth2: Update to use new API of Prosody mod_tokenauth @ 601d9a375b86 Matthew Wild <mwild1@gmail.com> parents: 5279 diff changeset	283
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	284 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	285 return {
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	286 token_type = "bearer";
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	287 access_token = access_token;
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	288 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	289 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	290 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	291 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	292 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	293 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	294
5461 06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	295 local function normalize_loopback(uri)
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	296 local u = url.parse(uri);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	297 if u.scheme == "http" and loopbacks:contains(u.host) then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	298 u.authority = nil;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	299 u.host = "::1";
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	300 u.port = nil;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	301 return url.build(u);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	302 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	303 -- else, not a valid loopback uri
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	304 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	305
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	306 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	307 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	308 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	309 -- 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	310 return;
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	311 end
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	312 -- 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	313 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	314 end
25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	315 -- 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	316 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	317 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	318 return redirect_uri
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	319 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	320 end
5461 06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	321 -- The authorization server MUST allow any port to be specified at the time
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	322 -- of the request for loopback IP redirect URIs, to accommodate clients that
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	323 -- obtain an available ephemeral port from the operating system at the time
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	324 -- of the request.
5460 c0d62c1b4424 mod_http_oauth2: Add FIXME about loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5459 diff changeset	325 -- https://www.ietf.org/archive/id/draft-ietf-oauth-v2-1-08.html#section-8.4.2
5461 06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	326 local loopback_redirect_uri = normalize_loopback(query_redirect_uri);
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	327 if loopback_redirect_uri then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	328 for _, redirect_uri in ipairs(client.redirect_uris) do
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	329 if loopback_redirect_uri == normalize_loopback(redirect_uri) then
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	330 return query_redirect_uri;
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	331 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	332 end
06640647d193 mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Kim Alvefur <zash@zash.se> parents: 5460 diff changeset	333 end
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	334 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	335
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	336 local grant_type_handlers = {};
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	337 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	338 local verifier_transforms = {};
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	339
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	340 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	341 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	342 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	343 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	344
3908 8ac5d9933106 mod_http_oauth2: Implement real tokens using mod_authtokens Matthew Wild <mwild1@gmail.com> parents: 3903 diff changeset	345 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	346 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	347 end
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	348 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	349 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	350 end
4340 7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	351
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	352 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	353 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	354 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	355 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	356
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	357 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	358 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	359 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	360 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	361 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	362 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	363
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	364 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	365 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	366 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	367
5243 d5dc8edb2695 mod_http_oauth2: Use more compact IDs Kim Alvefur <zash@zash.se> parents: 5242 diff changeset	368 local code = id.medium();
4670 1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	369 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	370 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	371 granted_jid = granted_jid;
7cd3b7ec59e9 mod_http_oauth2: Rudimentary support for scopes (but not really) Matthew Wild <mwild1@gmail.com> parents: 4276 diff changeset	372 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	373 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	374 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	375 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	376 id_token = id_token;
4670 1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	377 });
1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	378 if not ok then
5476 575f52b15f5a mod_http_oauth2: Return OAuth error for authz code store error Kim Alvefur <zash@zash.se> parents: 5475 diff changeset	379 return oauth_error("temporarily_unavailable");
4670 1b81b7269858 mod_http_oauth2: Gracefully handle cache write failure Kim Alvefur <zash@zash.se> parents: 4669 diff changeset	380 end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	381
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	382 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	383 if redirect_uri == oob_uri then
5495 7998b49d6512 mod_http_oauth2: Create proper template for OOB code delivery Kim Alvefur <zash@zash.se> parents: 5480 diff changeset	384 return render_page(templates.oob, { client = client; authorization_code = code }, true);
5219 25e824f64fd3 mod_http_oauth2: Improve handling of redirect_uri matching and fallback Matthew Wild <mwild1@gmail.com> parents: 5218 diff changeset	385 elseif not redirect_uri then
5462 f6d8830a83fe mod_http_oauth2: Return proper OAuth error for invalid redirect URI Kim Alvefur <zash@zash.se> parents: 5461 diff changeset	386 return oauth_error("invalid_redirect_uri");
5188 7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	387 end
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	388
7c531137a553 mod_http_oauth2: Implement OOB special redirect URI in code flow Kim Alvefur <zash@zash.se> parents: 5187 diff changeset	389 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	390
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	391 local query = strict_formdecode(redirect.query);
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	392 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	393 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	394 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	395 if params.state then
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	396 table.insert(query, { name = "state", value = params.state });
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	397 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	398 redirect.query = http.formencode(query);
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	399
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	400 return {
5210 898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects Matthew Wild <mwild1@gmail.com> parents: 5209 diff changeset	401 status_code = 303;
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	402 headers = {
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	403 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	404 pragma = "no-cache";
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	405 location = url.build(redirect);
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	406 };
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	407 }
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	408 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	409
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	410 -- Implicit flow
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	411 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	412 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	413 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	414 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	415 end
44f7edd4f845 mod_http_oauth2: Reject non-local hosts in more code paths Kim Alvefur <zash@zash.se> parents: 5255 diff changeset	416 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	417 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	418
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	419 local redirect = url.parse(get_redirect_uri(client, params.redirect_uri));
5463 dacde53467f3 mod_http_oauth2: Proper OAuth error for invalid redirect URI in implicit flow too Kim Alvefur <zash@zash.se> parents: 5462 diff changeset	420 if not redirect then return oauth_error("invalid_redirect_uri"); end
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	421 token_info.state = params.state;
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	422 redirect.fragment = http.formencode(token_info);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	423
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	424 return {
5210 898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects Matthew Wild <mwild1@gmail.com> parents: 5209 diff changeset	425 status_code = 303;
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	426 headers = {
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	427 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	428 pragma = "no-cache";
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	429 location = url.build(redirect);
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	430 };
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	431 }
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	432 end
fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	433
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	434 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	435 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	436 end
4263 d3af5f94d6df mod_http_oauth2: Improve storage of client secret Kim Alvefur <zash@zash.se> parents: 4260 diff changeset	437
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	438 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	439 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	440 end
d3af5f94d6df mod_http_oauth2: Improve storage of client secret Kim Alvefur <zash@zash.se> parents: 4260 diff changeset	441
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	442 function grant_type_handlers.authorization_code(params)
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	443 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	444 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	445 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	446 if params.scope and params.scope ~= "" then
5450 d2594bbf7c36 mod_http_oauth2: Scope FIXMEs Kim Alvefur <zash@zash.se> parents: 5449 diff changeset	447 -- FIXME allow a subset of granted scopes
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	448 return oauth_error("invalid_scope", "unknown scope requested");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	449 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	450
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	451 local client = check_client(params.client_id);
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	452 if not client then
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	453 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	454 end
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	455
5262 e73f364b5624 mod_http_oauth2: Rename oauth client credential related functions Kim Alvefur <zash@zash.se> parents: 5259 diff changeset	456 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	457 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	458 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	459 end
4271 9623b99bb8d2 mod_http_oauth2: Keep authorization codes in memory instead of storage Kim Alvefur <zash@zash.se> parents: 4270 diff changeset	460 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	461 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	462 -- 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	463 -- prevent a second attempted use
d5492bc861f6 mod_http_oauth2: Remove authorization codes after use Kim Alvefur <zash@zash.se> parents: 5213 diff changeset	464 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	465 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	466 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	467 return oauth_error("invalid_client", "incorrect credentials");
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	468 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	469
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	470 -- 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	471 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	472 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	473 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	474 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	475 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	476 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	477
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	478 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	479 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	480
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	481 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	482 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	483 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	484 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	485
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	486 local client = check_client(params.client_id);
a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	487 if not client then
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	488 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	489 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	490
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	491 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	492 module:log("debug", "client_secret mismatch");
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	493 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	494 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	495
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	496 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	497 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	498 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	499 end
2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	500
5512 1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	501 local refresh_token_client = refresh_token_info.grant.data.oauth2_client;
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	502 if not refresh_token_client.hash or refresh_token_client.hash ~= client.client_hash then
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	503 module:log("warn", "OAuth client %q (%s) tried to use refresh token belonging to %q (%s)", client.client_name, client.client_hash,
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	504 refresh_token_client.name, refresh_token_client.hash);
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	505 return oauth_error("unauthorized_client", "incorrect credentials");
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	506 end
1fbc8718bed6 mod_http_oauth2: Bind refresh tokens to client Kim Alvefur <zash@zash.se> parents: 5511 diff changeset	507
5446 dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens Kim Alvefur <zash@zash.se> parents: 5445 diff changeset	508 local refresh_scopes = refresh_token_info.grant.data.oauth2_scopes;
5448 9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	509
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	510 if params.scope then
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	511 local granted_scopes = set.new(parse_scopes(refresh_scopes));
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	512 local requested_scopes = parse_scopes(params.scope);
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	513 refresh_scopes = array.filter(requested_scopes, function(scope)
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	514 return granted_scopes:contains(scope);
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	515 end):concat(" ");
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	516 end
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	517
9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	518 local username = jid.split(refresh_token_info.jid);
5446 dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens Kim Alvefur <zash@zash.se> parents: 5445 diff changeset	519 local new_scopes, role = filter_scopes(username, refresh_scopes);
dd7bddc87f98 mod_http_oauth2: Fix inclusion of role in refreshed access tokens Kim Alvefur <zash@zash.se> parents: 5445 diff changeset	520
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	521 -- 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	522 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	523
5448 9d542e86e19a mod_http_oauth2: Allow requesting a subset of scopes on token refresh Kim Alvefur <zash@zash.se> parents: 5447 diff changeset	524 return json.encode(new_access_token(refresh_token_info.jid, role, new_scopes, client, nil, refresh_token_info));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	525 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	526
5383 df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	527 -- 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	528
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	529 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	530 -- 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	531 return code_verifier;
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	532 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	533
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	534 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	535 -- 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	536 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	537 end
df11a2cbc7b7 mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange Kim Alvefur <zash@zash.se> parents: 5382 diff changeset	538
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	539 -- 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	540 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	541
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	542 -- 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	543 -- 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	544 -- 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	545 -- (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	546 -- to one of them).
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	547 -- 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	548 -- 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	549 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	550 local form = request.method == "POST"
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	551 and request.body
5276 67777cb7353d mod_http_oauth2: Pedantic optimization Kim Alvefur <zash@zash.se> parents: 5273 diff changeset	552 and request.body ~= ""
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	553 and request.headers.content_type == "application/x-www-form-urlencoded"
5514 61b8d3eb91a4 mod_http_oauth2: Revert strict form check to allow consent of multiple scopes Kim Alvefur <zash@zash.se> parents: 5513 diff changeset	554 and http.formdecode(request.body);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	555
5277 a1055024b94e mod_http_oauth2: Stricten check of urlencoded form data Kim Alvefur <zash@zash.se> parents: 5276 diff changeset	556 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	557
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	558 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	559 -- First step: login
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	560 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	561 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	562 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	563 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	564 error = "Invalid username/password";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	565 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	566 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	567 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	568 user = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	569 username = username;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	570 host = module.host;
5519 83ebfc367169 mod_http_oauth2: Return Authentication Time per OpenID Core Section 2 Kim Alvefur <zash@zash.se> parents: 5518 diff changeset	571 token = new_user_token({ username = username; host = module.host; auth_time = os.time() });
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	572 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	573 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	574 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	575 -- Second step: consent
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	576 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	577 if not ok then
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	578 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	579 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	580 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	581 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	582
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	583 local scopes = array():append(form):filter(function(field)
5424 b45d9a81b3da mod_http_oauth2: Revert role selector, going to try something else Kim Alvefur <zash@zash.se> parents: 5423 diff changeset	584 return field.name == "scope";
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	585 end):pluck("value");
5271 3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant Kim Alvefur <zash@zash.se> parents: 5268 diff changeset	586
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	587 user.token = form.user_token;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	588 return {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	589 user = user;
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	590 scopes = scopes;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	591 consent = form.consent == "granted";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	592 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	593 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	594
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	595 return {};
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	596 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	597
5222 578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	598 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	599 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	600
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	601 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	602
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	603 if auth_type == "Basic" then
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	604 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	605 if not creds then return; end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	606 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	607 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	608 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	609 type = "basic";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	610 username = username;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	611 password = password;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	612 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	613 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	614 return {
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	615 type = "bearer";
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	616 bearer_token = auth_data;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	617 };
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	618 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	619
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	620 return nil;
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	621 end
578a72982bb2 mod_http_oauth2: Separate extracting credentials from requests and verifying Matthew Wild <mwild1@gmail.com> parents: 5221 diff changeset	622
3920 cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	623 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	624 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	625
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	626 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	627 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	628 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	629 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	630 if params.scope then
5450 d2594bbf7c36 mod_http_oauth2: Scope FIXMEs Kim Alvefur <zash@zash.se> parents: 5449 diff changeset	631 -- TODO shouldn't we support scopes / roles here?
3920 cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	632 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	633 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	634 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	635 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	636 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	637 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	638 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	639 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	640 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	641 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	642 end
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	643
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	644 -- TODO How would this make sense with components?
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	645 -- Have an admin authenticate maybe?
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	646 response_type_handlers.code = nil;
5186 fa3059e653fa mod_http_oauth2: Implement the Implicit flow Kim Alvefur <zash@zash.se> parents: 5185 diff changeset	647 response_type_handlers.token = nil;
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	648 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	649 end
cf92e3b30c18 mod_http_oauth2: Use component_secret setting as password on Components Kim Alvefur <zash@zash.se> parents: 3919 diff changeset	650
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	651 local function render_error(err)
b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	652 return render_page(templates.error, { error = err });
b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	653 end
b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	654
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	655 -- 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	656 -- 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	657 -- 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	658 -- 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	659 -- error directly to the user-agent.
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	660 local function error_response(request, redirect_uri, err)
5478 af105c7a24b2 mod_http_oauth2: Always render errors as HTML for OOB redirect URI Kim Alvefur <zash@zash.se> parents: 5477 diff changeset	661 if not redirect_uri or redirect_uri == oob_uri then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	662 return render_error(err);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	663 end
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	664 local q = strict_formdecode(request.url.query);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	665 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	666 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	667 redirect_uri = redirect_uri
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	668 .. 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	669 .. "&" .. 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	670 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	671 return {
5210 898575a0c6f3 mod_http_oauth2: Switch to '303 See Other' redirects Matthew Wild <mwild1@gmail.com> parents: 5209 diff changeset	672 status_code = 303;
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	673 headers = {
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	674 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	675 pragma = "no-cache";
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	676 location = redirect_uri;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	677 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	678 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	679 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	680
5279 2b858cccac8f mod_http_oauth2: Add support for refresh tokens Matthew Wild <mwild1@gmail.com> parents: 5278 diff changeset	681 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	682 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	683 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	684 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	685 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	686 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	687 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	688 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	689 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	690
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	691 -- "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	692 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	693 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	694 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	695 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	696 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	697 else
ac252db71027 mod_http_oauth2: Log flows enabled and disabled Kim Alvefur <zash@zash.se> parents: 5229 diff changeset	698 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	699 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	700 end
6a3c1febd7be mod_http_oauth2: Add settings for allowed grant and response types Kim Alvefur <zash@zash.se> parents: 5186 diff changeset	701
5384 b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	702 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	703 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	704 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	705 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	706 verifier_transforms[handler_type] = nil;
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	707 else
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	708 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	709 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	710 end
b40f29ec391a mod_http_oauth2: Allow configuring PKCE challenge methods Kim Alvefur <zash@zash.se> parents: 5383 diff changeset	711
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	712 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	713 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	714
3934 469408682152 mod_http_oauth2: Set content type on successful repsponses (fixes #1501) Kim Alvefur <zash@zash.se> parents: 3920 diff changeset	715 event.response.headers.content_type = "application/json";
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	716 event.response.headers.cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	717 event.response.headers.pragma = "no-cache";
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	718 local params = strict_formdecode(event.request.body);
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	719 if not params then
5474 d0b93105b289 mod_http_oauth2: Don't return redirects or HTML from token endpoint Kim Alvefur <zash@zash.se> parents: 5473 diff changeset	720 return 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	721 end
5223 8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	722
5225 3439eb37f23b mod_http_oauth2: token endpoint: handle missing credentials Matthew Wild <mwild1@gmail.com> parents: 5224 diff changeset	723 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	724 -- 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	725 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	726 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	727 end
8b2a36847912 mod_http_oauth2: Support HTTP Basic auth on token endpoint Matthew Wild <mwild1@gmail.com> parents: 5222 diff changeset	728
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	729 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	730 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	731 if not grant_handler then
5474 d0b93105b289 mod_http_oauth2: Don't return redirects or HTML from token endpoint Kim Alvefur <zash@zash.se> parents: 5473 diff changeset	732 return 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	733 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	734 return grant_handler(params);
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	735 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	736
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	737 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	738 local request = event.request;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	739
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	740 -- Directly returning errors to the user before we have a validated client object
4258 cc712899becd mod_http_oauth2: Unpack event object to improve readability Kim Alvefur <zash@zash.se> parents: 4257 diff changeset	741 if not request.url.query then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	742 return render_error(oauth_error("invalid_request", "Missing query parameters"));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	743 end
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	744 local params = strict_formdecode(request.url.query);
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	745 if not params then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	746 return render_error(oauth_error("invalid_request", "Invalid query parameters"));
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	747 end
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	748
5471 d4d333cb75b2 mod_http_oauth2: Clarify some error messages Kim Alvefur <zash@zash.se> parents: 5470 diff changeset	749 if not params.client_id then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	750 return render_error(oauth_error("invalid_request", "Missing 'client_id' parameter"));
5471 d4d333cb75b2 mod_http_oauth2: Clarify some error messages Kim Alvefur <zash@zash.se> parents: 5470 diff changeset	751 end
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	752
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	753 local client = check_client(params.client_id);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	754
5510 a49d73e4262e mod_http_oauth2: Add client verification wrapper function Kim Alvefur <zash@zash.se> parents: 5509 diff changeset	755 if not client then
5472 b80b6947b079 mod_http_oauth2: Always show early errors to user Kim Alvefur <zash@zash.se> parents: 5471 diff changeset	756 return render_error(oauth_error("invalid_request", "Invalid 'client_id' parameter"));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	757 end
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	758
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	759 local redirect_uri = get_redirect_uri(client, params.redirect_uri);
5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	760 if not redirect_uri then
5475 022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	761 return render_error(oauth_error("invalid_request", "Invalid 'redirect_uri' parameter"));
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	762 end
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	763 -- From this point we know that redirect_uri is safe to use
022733437fef mod_http_oauth2: Validate redirect_uri before using it for error redirects Kim Alvefur <zash@zash.se> parents: 5474 diff changeset	764
5405 c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	765 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	766 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	767 if not client_response_types:contains(params.response_type) then
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	768 return error_response(request, redirect_uri, oauth_error("invalid_client", "'response_type' not allowed"));
5405 c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	769 end
c7a5caad28ef mod_http_oauth2: Enforce response type encoded in client_id Kim Alvefur <zash@zash.se> parents: 5404 diff changeset	770
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	771 local requested_scopes = parse_scopes(params.scope or "");
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	772 if client.scope then
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	773 local client_scopes = set.new(parse_scopes(client.scope));
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	774 requested_scopes:filter(function(scope)
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	775 return client_scopes:contains(scope);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	776 end);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	777 end
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	778
5518 d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	779 -- The 'prompt' parameter from OpenID Core
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	780 local prompt = set.new(parse_scopes(params.prompt or "select_account login consent"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	781 if prompt:contains("none") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	782 -- Client wants no interaction, only confirmation of prior login and
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	783 -- consent, but this is not implemented.
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	784 return error_response(request, redirect_uri, oauth_error("interaction_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	785 elseif not prompt:contains("select_account") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	786 -- TODO If the login page is split into account selection followed by login
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	787 -- (e.g. password), and then the account selection could be skipped iff the
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	788 -- 'login_hint' parameter is present.
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	789 return error_response(request, redirect_uri, oauth_error("account_selection_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	790 elseif not prompt:contains("login") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	791 -- Currently no cookies or such are used, so login is required every time.
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	792 return error_response(request, redirect_uri, oauth_error("login_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	793 elseif not prompt:contains("consent") then
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	794 -- Are there any circumstances when consent would be implied or assumed?
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	795 return error_response(request, redirect_uri, oauth_error("consent_required"));
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	796 end
d87d0e4a8516 mod_http_oauth2: Validate the OpenID 'prompt' parameter Kim Alvefur <zash@zash.se> parents: 5514 diff changeset	797
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	798 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	799 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	800 -- Render login page
5466 398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	801 local extra = {};
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	802 if params.login_hint then
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	803 extra.username_hint = (jid.prepped_split(params.login_hint));
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	804 end
398d936e77fb mod_http_oauth2: Add support for the OpenID 'login_hint' parameter Kim Alvefur <zash@zash.se> parents: 5465 diff changeset	805 return render_page(templates.login, { state = auth_state; client = client; extra = extra });
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	806 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	807 -- Render consent page
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	808 local scopes, roles = split_scopes(requested_scopes);
5452 b071d8ee6555 mod_http_oauth2: Show only roles the user can use in consent dialog Kim Alvefur <zash@zash.se> parents: 5451 diff changeset	809 roles = user_assumable_roles(auth_state.user.username, roles);
5429 0bbeee8ba8b5 mod_http_oauth2: Strip unknown scopes from consent page Kim Alvefur <zash@zash.se> parents: 5428 diff changeset	810 return render_page(templates.consent, { state = auth_state; client = client; scopes = scopes+roles }, true);
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	811 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	812 -- Notify client of rejection
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	813 return error_response(request, redirect_uri, oauth_error("access_denied"));
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	814 end
5271 3a1df3adad0c mod_http_oauth2: Allow user to decide which requested scopes to grant Kim Alvefur <zash@zash.se> parents: 5268 diff changeset	815 -- 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	816
5447 aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	817 local granted_scopes = auth_state.scopes
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	818 if client.scope then
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	819 local client_scopes = set.new(parse_scopes(client.scope));
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	820 granted_scopes:filter(function(scope)
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	821 return client_scopes:contains(scope);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	822 end);
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	823 end
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	824
aa4828f040c5 mod_http_oauth2: Enforce client scope restrictions in authorization Kim Alvefur <zash@zash.se> parents: 5446 diff changeset	825 params.scope = granted_scopes:concat(" ");
5208 aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	826
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	827 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	828 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	829 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	830 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	831 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	832 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	833 aud = params.client_id;
5519 83ebfc367169 mod_http_oauth2: Return Authentication Time per OpenID Core Section 2 Kim Alvefur <zash@zash.se> parents: 5518 diff changeset	834 auth_time = auth_state.user.auth_time;
5257 b2120fb4a279 mod_http_oauth2: Implement and return ID Token in authorization code flow Kim Alvefur <zash@zash.se> parents: 5256 diff changeset	835 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	836 });
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	837 local response_type = params.response_type;
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	838 local response_handler = response_type_handlers[response_type];
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	839 if not response_handler then
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	840 return error_response(request, redirect_uri, oauth_error("unsupported_response_type"));
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	841 end
5468 14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	842 local ret = response_handler(client, params, user_jid, id_token);
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	843 if errors.is_err(ret) then
5477 5986e0edd7a3 mod_http_oauth2: Use validated redirect URI when returning errors to client Kim Alvefur <zash@zash.se> parents: 5476 diff changeset	844 return error_response(request, redirect_uri, ret);
5468 14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	845 end
14b5446e22e1 mod_http_oauth2: Fix returning errors from response handlers Kim Alvefur <zash@zash.se> parents: 5467 diff changeset	846 return ret;
4256 c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	847 end
c4b9d4ba839b mod_http_oauth2: Authorization code flow Kim Alvefur <zash@zash.se> parents: 4237 diff changeset	848
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	849 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	850 local request, response = event.request, event.response;
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	851 response.headers.cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	852 response.headers.pragma = "no-cache";
5265 f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	853 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	854 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	855 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	856 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	857 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	858 end
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	859 -- OAuth "client" credentials
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	860 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	861 return 401;
f845c218e52c mod_http_oauth2: Allow revoking a token without OAuth client credentials Kim Alvefur <zash@zash.se> parents: 5264 diff changeset	862 end
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	863 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	864
5513 0005d4201030 mod_http_oauth2: Reject duplicate form-urlencoded parameters Kim Alvefur <zash@zash.se> parents: 5512 diff changeset	865 local form_data = strict_formdecode(event.request.body);
4370 dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	866 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	867 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	868 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	869 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	870 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	871 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	872 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	873 return 500;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	874 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	875 return 200;
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	876 end
dee6b5098278 mod_http_oauth2: Add endpoint to revoke a key (RFC 7009 kinda) Matthew Wild <mwild1@gmail.com> parents: 4340 diff changeset	877
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	878 local registration_schema = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	879 type = "object";
5237 3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	880 required = {
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	881 -- 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	882 "client_name";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	883 "client_uri";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	884 -- 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	885 "redirect_uris";
3354f943c1fa mod_http_oauth2: Require URL to client informational page in registration Kim Alvefur <zash@zash.se> parents: 5236 diff changeset	886 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	887 properties = {
5454 6970c73711c2 mod_http_oauth2: Reject duplicate redirect URIs in registration Kim Alvefur <zash@zash.se> parents: 5453 diff changeset	888 redirect_uris = { type = "array"; minItems = 1; uniqueItems = true; 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	889 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	890 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	891 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	892 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	893 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	894 grant_types = {
5236 ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema Kim Alvefur <zash@zash.se> parents: 5231 diff changeset	895 type = "array";
5455 80a81e7f3c4e mod_http_oauth2: Require non-empty arrays in client registration Kim Alvefur <zash@zash.se> parents: 5454 diff changeset	896 minItems = 1;
5456 9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	897 uniqueItems = true;
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	898 items = {
5236 ff8623e2f9d9 mod_http_oauth2: Reorder client metadata validation schema Kim Alvefur <zash@zash.se> parents: 5231 diff changeset	899 type = "string";
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	900 enum = {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	901 "authorization_code";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	902 "implicit";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	903 "password";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	904 "client_credentials";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	905 "refresh_token";
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	906 "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	907 "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	908 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	909 };
5366 db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	910 default = { "authorization_code" };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	911 };
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	912 application_type = { type = "string"; enum = { "native"; "web" }; default = "web" };
5456 9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	913 response_types = {
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	914 type = "array";
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	915 minItems = 1;
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	916 uniqueItems = true;
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	917 items = { type = "string"; enum = { "code"; "token" } };
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	918 default = { "code" };
9008aea491bf mod_http_oauth2: Reject duplicate list items in client registration Kim Alvefur <zash@zash.se> parents: 5455 diff changeset	919 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	920 client_name = { type = "string" };
5359 230fc6a0c086 mod_http_oauth2: Use new Lua pattern schema properties Kim Alvefur <zash@zash.se> parents: 5358 diff changeset	921 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	922 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	923 scope = { type = "string" };
5455 80a81e7f3c4e mod_http_oauth2: Require non-empty arrays in client registration Kim Alvefur <zash@zash.se> parents: 5454 diff changeset	924 contacts = { type = "array"; minItems = 1; 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	925 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	926 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	927 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	928 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	929 software_id = { type = "string"; format = "uuid" };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	930 software_version = { type = "string" };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	931 };
5365 698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata Kim Alvefur <zash@zash.se> parents: 5364 diff changeset	932 luaPatternProperties = {
698fef74ce53 mod_http_oauth2: Allow only l10n variants of name in client metadata Kim Alvefur <zash@zash.se> parents: 5364 diff changeset	933 -- 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	934 ["^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	935 ["^[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	936 };
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	937 }
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	938
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	939 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	940 local uri = url.parse(redirect_uri);
5457 9156a4754466 mod_http_oauth2: Reject relative redirect URIs Kim Alvefur <zash@zash.se> parents: 5456 diff changeset	941 if not uri.scheme then
9156a4754466 mod_http_oauth2: Reject relative redirect URIs Kim Alvefur <zash@zash.se> parents: 5456 diff changeset	942 return false; -- no relative URLs
9156a4754466 mod_http_oauth2: Reject relative redirect URIs Kim Alvefur <zash@zash.se> parents: 5456 diff changeset	943 end
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	944 if app_type == "native" then
5458 813fe4f76286 mod_http_oauth2: Do minimal validation of private-use URI schemes Kim Alvefur <zash@zash.se> parents: 5457 diff changeset	945 return uri.scheme == "http" and loopbacks:contains(uri.host) or redirect_uri == oob_uri or uri.scheme:find(".", 1, true) ~= nil;
5367 93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	946 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	947 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	948 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	949 end
93d445b26063 mod_http_oauth2: Validate redirect URI depending on application type Kim Alvefur <zash@zash.se> parents: 5366 diff changeset	950
5259 8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	951 function create_client(client_metadata)
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	952 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	953 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	954 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	955
5366 db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	956 -- Fill in default values
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	957 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	958 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	959 client_metadata[propname] = propspec.default;
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	960 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	961 end
db4c66a1d24b mod_http_oauth2: Fill in some client metadata defaults Kim Alvefur <zash@zash.se> parents: 5365 diff changeset	962
5246 fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration Kim Alvefur <zash@zash.se> parents: 5245 diff changeset	963 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	964 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	965 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	966 end
fd0d25b42cd9 mod_http_oauth2: Validate all URIs against client_uri in client registration Kim Alvefur <zash@zash.se> parents: 5245 diff changeset	967
5239 8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	968 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	969 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	970 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	971 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs Kim Alvefur <zash@zash.se> parents: 5241 diff changeset	972 end
4746609a6656 mod_http_oauth2: Validate that informative URLs match the redirect URIs Kim Alvefur <zash@zash.se> parents: 5241 diff changeset	973
5244 fa7bd721a3f6 mod_http_oauth2: Fix validation of informative URIs Kim Alvefur <zash@zash.se> parents: 5243 diff changeset	974 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	975 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	976 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	977 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	978 end
5239 8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	979 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	980 end
8620a635106e mod_http_oauth2: Validate basic URI syntax of redirect URIs Kim Alvefur <zash@zash.se> parents: 5237 diff changeset	981
5357 eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs Kim Alvefur <zash@zash.se> parents: 5356 diff changeset	982 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	983 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	984 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	985 -- 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	986 client_metadata[k] = nil;
1087f697c3f3 mod_http_oauth2: Strip unknown extra fields from client registration Kim Alvefur <zash@zash.se> parents: 5403 diff changeset	987 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	988 -- 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	989 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	990 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	991 end
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs Kim Alvefur <zash@zash.se> parents: 5356 diff changeset	992 end
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs Kim Alvefur <zash@zash.se> parents: 5356 diff changeset	993 end
eda3b078ba2c mod_http_oauth2: Validate (unused at this point) localized URIs Kim Alvefur <zash@zash.se> parents: 5356 diff changeset	994
5406 b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	995 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	996 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	997
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	998 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	999 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	1000 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	1001 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	1002 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1003
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1004 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	1005 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	1006 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	1007 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	1008 end
b86d80e21c60 mod_http_oauth2: Validate consistency of response and grant types Kim Alvefur <zash@zash.se> parents: 5405 diff changeset	1009
5243 d5dc8edb2695 mod_http_oauth2: Use more compact IDs Kim Alvefur <zash@zash.se> parents: 5242 diff changeset	1010 -- 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	1011 -- 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	1012 client_metadata.nonce = id.short();
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1013
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1014 -- Do we want to keep everything?
5459 260a859be86a mod_http_oauth2: Rename variables to improve clarity Kim Alvefur <zash@zash.se> parents: 5458 diff changeset	1015 local client_id = sign_client(client_metadata);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1016
5221 22483cfce3ce mod_http_oauth2: Reflect ALL attributes of the client registration Matthew Wild <mwild1@gmail.com> parents: 5219 diff changeset	1017 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	1018 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	1019
5407 149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1020 if client_metadata.token_endpoint_auth_method ~= "none" then
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1021 local client_secret = make_client_secret(client_id);
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1022 client_metadata.client_secret = client_secret;
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1023 client_metadata.client_secret_expires_at = 0;
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1024
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1025 if not registration_options.accept_expired then
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1026 client_metadata.client_secret_expires_at = client_metadata.client_id_issued_at + (registration_options.default_ttl or 3600);
149634647b48 mod_http_oauth2: Don't issue client_secret when not using authentication Kim Alvefur <zash@zash.se> parents: 5406 diff changeset	1027 end
5202 b81fd0d22c66 mod_http_oauth2: Calculate client secret expiry in registration response Kim Alvefur <zash@zash.se> parents: 5201 diff changeset	1028 end
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1029
5259 8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1030 return client_metadata;
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1031 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1032
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1033 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	1034 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	1035 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	1036 if err then
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1037 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	1038 end
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1039
8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1040 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	1041 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	1042
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1043 return {
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1044 status_code = 201;
5509 ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1045 headers = {
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1046 cache_control = "no-store";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1047 pragma = "no-cache";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1048 content_type = "application/json";
ae007be8a6bd mod_http_oauth2: Add Cache-Control and Pragma headers per by RFC 6749 Kim Alvefur <zash@zash.se> parents: 5502 diff changeset	1049 };
5259 8fba651b10ef mod_http_oauth2: Refactor to allow reuse of OAuth client creation Kim Alvefur <zash@zash.se> parents: 5258 diff changeset	1050 body = json.encode(response);
5193 2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1051 };
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1052 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1053
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1054 if not registration_key then
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1055 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	1056 handle_authorization_request = nil
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1057 handle_register_request = nil
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1058 end
2bb29ece216b mod_http_oauth2: Implement stateless dynamic client registration Kim Alvefur <zash@zash.se> parents: 5192 diff changeset	1059
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1060 local function handle_userinfo_request(event)
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1061 local request = event.request;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1062 local credentials = get_request_credentials(request);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1063 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	1064 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	1065 return 401;
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1066 end
5336 77ac04bd2f65 mod_http_oauth2: Add some debug logging for UserInfo endpoint Kim Alvefur <zash@zash.se> parents: 5335 diff changeset	1067 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	1068 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	1069 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	1070 return 403;
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1071 end
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1072 local scopes = set.new()
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1073 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	1074 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	1075 else
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1076 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	1077 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1078
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1079 if not scopes:contains("openid") then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1080 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	1081 -- 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	1082 return 403;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1083 end
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1084
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1085 local user_info = {
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1086 iss = get_issuer();
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1087 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	1088 }
5337 8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1089
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1090 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	1091 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	1092 if not token_claims:empty() then
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1093 -- Another module can do that
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1094 module:fire_event("token/userinfo", {
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1095 token = token_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1096 claims = token_claims;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1097 username = jid.split(token_info.jid);
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1098 userinfo = user_info;
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1099 });
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1100 end
8d8e85d6dc91 mod_http_oauth2: Support OpenID UserInfo claims Kim Alvefur <zash@zash.se> parents: 5336 diff changeset	1101
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1102 return {
5258 9629971e307f mod_http_oauth2: Fix userinfo status code off-by-one Kim Alvefur <zash@zash.se> parents: 5257 diff changeset	1103 status_code = 200;
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1104 headers = { content_type = "application/json" };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1105 body = json.encode(user_info);
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1106 };
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1107 end
77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1108
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1109 module:depends("http");
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1110 module:provides("http", {
5480 5108f63e762b mod_http_oauth2: Allow CORS for browser clients Kim Alvefur <zash@zash.se> parents: 5479 diff changeset	1111 cors = { enabled = true; credentials = true };
3903 cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1112 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	1113 -- 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	1114 -- 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	1115
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1116 -- 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	1117 ["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	1118
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1119 -- 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	1120 ["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	1121 ["POST /authorize"] = handle_authorization_request;
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1122
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1123 -- 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	1124 -- 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	1125 -- is delivered here.
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1126
5382 12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1127 -- 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	1128 ["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	1129
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1130 -- 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	1131
12498c0d705f mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Kim Alvefur <zash@zash.se> parents: 5378 diff changeset	1132 -- 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	1133 ["POST /revoke"] = handle_revocation_request;
5245 e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1134
e22cae58141d mod_http_oauth2: Organize HTTP routes with comments Kim Alvefur <zash@zash.se> parents: 5244 diff changeset	1135 -- OpenID
5228 77cd01af06a9 mod_http_oauth2: Implement the OpenID userinfo endpoint Kim Alvefur <zash@zash.se> parents: 5225 diff changeset	1136 ["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	1137
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1138 -- Optional static content for templates
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1139 ["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	1140 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1141 ["Content-Type"] = "text/css";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1142 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1143 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	1144 } or nil;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1145 ["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	1146 headers = {
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1147 ["Content-Type"] = "text/javascript";
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1148 };
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1149 body = templates.js;
aaa64c647e12 mod_http_oauth2: Add authentication, consent and error pages Matthew Wild <mwild1@gmail.com> parents: 5207 diff changeset	1150 } or nil;
5393 9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema Kim Alvefur <zash@zash.se> parents: 5392 diff changeset	1151
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema Kim Alvefur <zash@zash.se> parents: 5392 diff changeset	1152 -- Some convenient fallback handlers
9b9d612f9083 mod_http_oauth2: Add way to retrieve registration schema Kim Alvefur <zash@zash.se> parents: 5392 diff changeset	1153 ["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	1154 ["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	1155 ["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	1156 };
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1157 });
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1158
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1159 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	1160
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1161 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	1162 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	1163 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	1164 return;
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1165 end
cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only) Matthew Wild <mwild1@gmail.com> parents: diff changeset	1166 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	1167 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	1168 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	1169 end, 5);
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1170
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1171 -- OIDC Discovery
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1172
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1173 function get_authorization_server_metadata()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1174 if authorization_server_metadata then
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1175 return authorization_server_metadata;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1176 end
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1177 authorization_server_metadata = {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1178 -- RFC 8414: OAuth 2.0 Authorization Server Metadata
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1179 issuer = get_issuer();
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1180 authorization_endpoint = handle_authorization_request and module:http_url() .. "/authorize" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1181 token_endpoint = handle_token_grant and module:http_url() .. "/token" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1182 registration_endpoint = handle_register_request and module:http_url() .. "/register" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1183 scopes_supported = usermanager.get_all_roles
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1184 and array(it.keys(usermanager.get_all_roles(module.host))):push("xmpp"):append(array(openid_claims:items()));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1185 response_types_supported = array(it.keys(response_type_handlers));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1186 token_endpoint_auth_methods_supported = array({ "client_secret_post"; "client_secret_basic" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1187 op_policy_uri = module:get_option_string("oauth2_policy_url", nil);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1188 op_tos_uri = module:get_option_string("oauth2_terms_url", nil);
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1189 revocation_endpoint = handle_revocation_request and module:http_url() .. "/revoke" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1190 revocation_endpoint_auth_methods_supported = array({ "client_secret_basic" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1191 code_challenge_methods_supported = array(it.keys(verifier_transforms));
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1192 grant_types_supported = array(it.keys(response_type_handlers)):map(tmap {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1193 token = "implicit";
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1194 code = "authorization_code";
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1195 });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1196 response_modes_supported = array(it.keys(response_type_handlers)):map(tmap { token = "fragment"; code = "query" });
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1197 authorization_response_iss_parameter_supported = true;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1198 service_documentation = module:get_option_string("oauth2_service_documentation", "https://modules.prosody.im/mod_http_oauth2.html");
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1199
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1200 -- OpenID
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1201 userinfo_endpoint = handle_register_request and module:http_url() .. "/userinfo" or nil;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1202 jwks_uri = nil; -- REQUIRED in OpenID Discovery but not in OAuth 2.0 Metadata
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1203 id_token_signing_alg_values_supported = { "HS256" }; -- The algorithm RS256 MUST be included, but we use HS256 and client_secret as shared key.
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1204 }
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1205 return authorization_server_metadata;
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1206 end
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1207
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1208 module:provides("http", {
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1209 name = "oauth2-discovery";
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1210 default_path = "/.well-known/oauth-authorization-server";
5480 5108f63e762b mod_http_oauth2: Allow CORS for browser clients Kim Alvefur <zash@zash.se> parents: 5479 diff changeset	1211 cors = { enabled = true };
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1212 route = {
5502 fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1213 ["GET"] = function()
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1214 return {
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1215 headers = { content_type = "application/json" };
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1216 body = json.encode(get_authorization_server_metadata());
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1217 }
fd4d89a5b8db mod_http_oauth2: Add provisions for dynamically adding simple scopes Kim Alvefur <zash@zash.se> parents: 5501 diff changeset	1218 end
5189 4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1219 };
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1220 });
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1221
4ee8eb1134a8 mod_http_oauth2: Add OIDC discovery endpoint (thanks Zash) Matthew Wild <mwild1@gmail.com> parents: 5188 diff changeset	1222 module:shared("tokenauth/oauthbearer_config").oidc_discovery_url = module:http_url("oauth2-discovery", "/.well-known/oauth-authorization-server");

Mercurial > prosody-modules

annotate mod_http_oauth2/mod_http_oauth2.lua @ 5538:40f8b9cc2065