prosody-modules
78f1de5301fc
mod_http_oauth2/mod_http_oauth2.lua

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mod_http_oauth2/mod_http_oauth2.lua @ 4049:78f1de5301fc

mod_adhoc_dataforms_demo: Fix duplicate field prevention It's supposed to only include each type of form field once per form at most but it didn't note which fields it had added already. No idea what the probability was anyways, probably pretty low.
author Kim Alvefur <zash@zash.se>
date Tue, 23 Jun 2020 19:40:55 +0200
parent 3934:469408682152
child 4228:3eb595cf847f
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cfeb93b80621 mod_http_oauth2: OAuth2 API (work in progress for developers only)
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1 local http = require "util.http";
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2 local jid = require "util.jid";
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3 local json = require "util.json";
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4 local usermanager = require "core.usermanager";
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5 local errors = require "util.error";
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6
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7 local tokens = module:depends("tokenauth");
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8
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9 local function oauth_error(err_name, err_desc)
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10 return errors.new({
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11 type = "modify";
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12 condition = "bad-request";
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13 code = err_name == "invalid_client" and 401 or 400;
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14 text = err_desc and (err_name..": "..err_desc) or err_name;
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15 context = { oauth2_response = { error = err_name, error_description = err_desc } };
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16 });
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17 end
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18
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19 local function new_access_token(token_jid, scope, ttl)
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20 local token = tokens.create_jid_token(token_jid, token_jid, scope, ttl);
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21 return {
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22 token_type = "bearer";
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23 access_token = token;
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24 expires_in = ttl;
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25 -- TODO: include refresh_token when implemented
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26 };
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27 end
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28
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29 local grant_type_handlers = {};
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30
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31 function grant_type_handlers.password(params)
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32 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
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33 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
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34 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
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35 if params.scope then
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36 return oauth_error("invalid_scope", "unknown scope requested");
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37 end
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38 if not (request_username and request_host) or request_host ~= module.host then
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39 return oauth_error("invalid_request", "invalid JID");
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40 end
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41 if usermanager.test_password(request_username, request_host, request_password) then
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42 local granted_jid = jid.join(request_username, request_host, request_resource);
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43 return json.encode(new_access_token(granted_jid, request_host, nil, nil));
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44 end
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45 return oauth_error("invalid_grant", "incorrect credentials");
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46 end
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47
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48 if module:get_host_type() == "component" then
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49 local component_secret = assert(module:get_option_string("component_secret"), "'component_secret' is a required setting when loaded on a Component");
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50
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51 function grant_type_handlers.password(params)
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52 local request_jid = assert(params.username, oauth_error("invalid_request", "missing 'username' (JID)"));
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53 local request_password = assert(params.password, oauth_error("invalid_request", "missing 'password'"));
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54 local request_username, request_host, request_resource = jid.prepped_split(request_jid);
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55 if params.scope then
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56 return oauth_error("invalid_scope", "unknown scope requested");
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57 end
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58 if not request_host or request_host ~= module.host then
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59 return oauth_error("invalid_request", "invalid JID");
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60 end
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61 if request_password == component_secret then
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62 local granted_jid = jid.join(request_username, request_host, request_resource);
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63 return json.encode(new_access_token(granted_jid, request_host, nil, nil));
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64 end
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65 return oauth_error("invalid_grant", "incorrect credentials");
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66 end
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67 end
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68
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69 function handle_token_grant(event)
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70 event.response.headers.content_type = "application/json";
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71 local params = http.formdecode(event.request.body);
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72 if not params then
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73 return oauth_error("invalid_request");
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74 end
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75 local grant_type = params.grant_type
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76 local grant_handler = grant_type_handlers[grant_type];
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77 if not grant_handler then
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78 return oauth_error("unsupported_grant_type");
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79 end
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80 return grant_handler(params);
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81 end
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82
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83 module:depends("http");
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84 module:provides("http", {
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85 route = {
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86 ["POST /token"] = handle_token_grant;
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87 };
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88 });
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89
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90 local http_server = require "net.http.server";
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91
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92 module:hook_object_event(http_server, "http-error", function (event)
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93 local oauth2_response = event.error and event.error.context and event.error.context.oauth2_response;
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94 if not oauth2_response then
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95 return;
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96 end
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97 event.response.headers.content_type = "application/json";
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98 event.response.status_code = event.error.code or 400;
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99 return json.encode(oauth2_response);
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100 end, 5);