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annotate mod_http_oauth2/mod_http_oauth2.lua @ 4203:c4002aae4ad3

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mod_s2s_keepalive: Use timestamp as iq @id RFC 6120 implies that the id attribute must be unique within a stream. This should fix problems with remote servers that enforce uniqueness and don't answer duplicated ids. If it doesn't do that, then at least you can get a guesstimate at round-trip time from the difference between the result iq stanza and the timestamp it was logged without having to go look for when it was sent, or needing to keep state.
author Kim Alvefur <zash@zash.se>
date Wed, 14 Oct 2020 18:02:10 +0200
parents 469408682152
children 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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80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4
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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);