annotate mod_rest/mod_rest.lua @ 3842:501c7edc8c37

mod_rest: Encode errors as JSON This applies to *all* errors in the entire HTTP server, which might be a bit awkward.
author Kim Alvefur <zash@zash.se>
date Wed, 15 Jan 2020 21:38:03 +0100
parents 0d4146cf9fbc
children c065b7670c89
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1 -- RESTful API
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2 --
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3 -- Copyright (c) 2019-2020 Kim Alvefur
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4 --
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5 -- This file is MIT/X11 licensed.
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6
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7 local errors = require "util.error";
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8 local http = require "net.http";
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9 local id = require "util.id";
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10 local jid = require "util.jid";
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11 local json = require "util.json";
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12 local st = require "util.stanza";
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13 local xml = require "util.xml";
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14
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15 local allow_any_source = module:get_host_type() == "component";
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16 local validate_from_addresses = module:get_option_boolean("validate_from_addresses", true);
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17 local secret = assert(module:get_option_string("rest_credentials"), "rest_credentials is a required setting");
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18 local auth_type = assert(secret:match("^%S+"), "Format of rest_credentials MUST be like 'Bearer secret'");
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19 assert(auth_type == "Bearer", "Only 'Bearer' is supported in rest_credentials");
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20
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21 local jsonmap = module:require"jsonmap";
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22 -- Bearer token
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23 local function check_credentials(request)
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24 return request.headers.authorization == secret;
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25 end
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26
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27 local function parse(mimetype, data)
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28 mimetype = mimetype and mimetype:match("^[^; ]*");
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29 if mimetype == "application/xmpp+xml" then
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30 return xml.parse(data);
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31 elseif mimetype == "application/json" then
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32 local parsed, err = json.decode(data);
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33 if not parsed then
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34 return parsed, err;
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35 end
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36 return jsonmap.json2st(parsed);
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37 elseif mimetype == "text/plain" then
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38 return st.message({ type = "chat" }, data);
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39 end
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40 return nil, "unknown-payload-type";
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41 end
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42
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43 local supported_types = { "application/xmpp+xml", "application/json" };
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44
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45 local function decide_type(accept)
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46 -- assumes the accept header is sorted
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47 local ret = supported_types[1];
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48 for i = 2, #supported_types do
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49 if (accept:find(supported_types[i], 1, true) or 1000) < (accept:find(ret, 1, true) or 1000) then
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50 ret = supported_types[i];
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51 end
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52 end
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53 return ret;
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54 end
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55
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56 local function encode(type, s)
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57 if type == "application/json" then
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58 return json.encode(jsonmap.st2json(s));
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59 elseif type == "text/plain" then
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60 return s:get_child_text("body") or "";
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61 end
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62 return tostring(s);
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63 end
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64
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65 local function handle_post(event)
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66 local request, response = event.request, event.response;
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67 if not request.headers.authorization then
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68 response.headers.www_authenticate = ("%s realm=%q"):format(auth_type, module.host.."/"..module.name);
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69 return 401;
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70 elseif not check_credentials(request) then
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71 return 401;
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72 end
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73 local payload, err = parse(request.headers.content_type, request.body);
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74 if not payload then
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75 -- parse fail
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76 return errors.new({ code = 400, text = err });
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77 end
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78 if payload.attr.xmlns then
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79 return errors.new({ code = 422, text = "'xmlns' attribute must be empty" });
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80 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then
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81 return errors.new({ code = 422, text = "Invalid stanza, must be 'message', 'presence' or 'iq'." });
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82 end
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83 local to = jid.prep(payload.attr.to);
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84 if not to then
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85 return errors.new({ code = 422, text = "Invalid destination JID" });
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86 end
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87 local from = module.host;
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88 if allow_any_source and payload.attr.from then
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89 from = jid.prep(payload.attr.from);
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90 if not from then
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91 return errors.new({ code = 422, text = "Invalid source JID" });
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92 end
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93 if validate_from_addresses and not jid.compare(from, module.host) then
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94 return errors.new({ code = 403, text = "Source JID must belong to current host" });
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95 end
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96 end
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97 payload.attr = {
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98 from = from,
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99 to = to,
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100 id = payload.attr.id or id.medium(),
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101 type = payload.attr.type,
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102 ["xml:lang"] = payload.attr["xml:lang"],
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103 };
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104 module:log("debug", "Received[rest]: %s", payload:top_tag());
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105 local send_type = decide_type((request.headers.accept or "") ..",".. request.headers.content_type)
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106 if payload.name == "iq" then
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107 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then
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108 return errors.new({ code = 422, text = "'iq' stanza must be of type 'get' or 'set'" });
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109 elseif #payload.tags ~= 1 then
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110 return errors.new({ code = 422, text = "'iq' stanza must have exactly one child tag" });
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111 end
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112 return module:send_iq(payload):next(
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113 function (result)
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114 module:log("debug", "Sending[rest]: %s", result.stanza:top_tag());
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115 response.headers.content_type = send_type;
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116 return encode(send_type, result.stanza);
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117 end,
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118 function (error)
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119 if error.context.stanza then
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120 response.headers.content_type = send_type;
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121 module:log("debug", "Sending[rest]: %s", error.context.stanza:top_tag());
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122 return encode(send_type, error.context.stanza);
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123 else
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124 return error;
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125 end
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126 end);
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127 else
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128 local origin = {};
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129 function origin.send(stanza)
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130 module:log("debug", "Sending[rest]: %s", stanza:top_tag());
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131 response.headers.content_type = send_type;
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132 response:send(encode(send_type, stanza));
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diff changeset
133 return true;
d1ad10b76b00 mod_rest: Catch one (1) reply to a POST-ed stanza from an internal source
Kim Alvefur <zash@zash.se>
parents: 3795
diff changeset
134 end
3814
0dede5b0ab27 mod_rest: Fix return status when sending and forgetting
Kim Alvefur <zash@zash.se>
parents: 3813
diff changeset
135 module:send(payload, origin);
0dede5b0ab27 mod_rest: Fix return status when sending and forgetting
Kim Alvefur <zash@zash.se>
parents: 3813
diff changeset
136 return 202;
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 -- Handle stanzas submitted via HTTP
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 module:depends("http");
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 module:provides("http", {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 route = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 POST = handle_post;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 });
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
147
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
148 -- Forward stanzas from XMPP to HTTP and return any reply
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
149 local rest_url = module:get_option_string("rest_callback_url", nil);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
150 if rest_url then
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
151 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml");
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
152 if send_type == "json" then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
153 send_type = "application/json";
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
154 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
155
3797
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
156 local code2err = {
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
157 [400] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
158 [401] = { condition = "not-authorized"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
159 [402] = { condition = "not-authorized"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
160 [403] = { condition = "forbidden"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
161 [404] = { condition = "item-not-found"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
162 [406] = { condition = "not-acceptable"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
163 [408] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
164 [409] = { condition = "conflict"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
165 [410] = { condition = "gone"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
166 [411] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
167 [412] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
168 [413] = { condition = "resource-constraint"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
169 [414] = { condition = "resource-constraint"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
170 [415] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
171 [429] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
172 [431] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
173
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
174 [500] = { condition = "internal-server-error"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
175 [501] = { condition = "feature-not-implemented"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
176 [502] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
177 [503] = { condition = "service-unavailable"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
178 [504] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
179 [507] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
180 };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
181
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
182 local function handle_stanza(event)
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
183 local stanza, origin = event.stanza, event.origin;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
184 local reply_needed = stanza.name == "iq";
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
185 local receipt;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
186
3824
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply
Kim Alvefur <zash@zash.se>
parents: 3821
diff changeset
187 if stanza.attr.type == "error" then
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply
Kim Alvefur <zash@zash.se>
parents: 3821
diff changeset
188 reply_needed = false;
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply
Kim Alvefur <zash@zash.se>
parents: 3821
diff changeset
189 end
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply
Kim Alvefur <zash@zash.se>
parents: 3821
diff changeset
190
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
191 if stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
192 reply_needed = true;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
193 receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id });
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
194 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
195
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
196 local request_body = encode(send_type, stanza);
3799
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
197
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
198 -- Keep only the top level element and let the rest be GC'd
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
199 stanza = st.clone(stanza, true);
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
200
3803
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
201 module:log("debug", "Sending[rest]: %s", stanza:top_tag());
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
202 http.request(rest_url, {
3799
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
203 body = request_body,
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
204 headers = {
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
205 ["Content-Type"] = send_type,
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
206 ["Content-Language"] = stanza.attr["xml:lang"],
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
207 Accept = table.concat(supported_types, ", ");
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
208 },
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
209 }, function (body, code, response)
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
210 if (code == 202 or code == 204) and not reply_needed then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
211 -- Delivered, no reply
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
212 return;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
213 end
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
214 local reply;
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
215
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
216 local parsed, err = parse(response.headers["content-type"], body);
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
217 if not parsed then
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
218 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body);
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
219 elseif parsed.name ~= stanza.name then
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
220 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name);
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
221 else
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
222 parsed.attr = {
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
223 from = stanza.attr.to,
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
224 to = stanza.attr.from,
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
225 id = parsed.attr.id or id.medium();
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
226 type = parsed.attr.type,
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
227 ["xml:lang"] = parsed.attr["xml:lang"],
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
228 };
3821
11272a3233ce mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents: 3816
diff changeset
229 if parsed.name == "message" and parsed.attr.type == "groupchat" then
11272a3233ce mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents: 3816
diff changeset
230 parsed.attr.to = jid.bare(stanza.attr.from);
11272a3233ce mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents: 3816
diff changeset
231 end
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
232 if parsed.name == "iq" or parsed.attr.type == "error" then
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
233 parsed.attr.id = stanza.attr.id;
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
234 end
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
235 reply = parsed;
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
236 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
237
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
238 if not reply then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
239 local code_hundreds = code - (code % 100);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
240 if code_hundreds == 200 then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
241 reply = st.reply(stanza);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
242 if stanza.name ~= "iq" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
243 reply.attr.id = id.medium();
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
244 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
245 -- TODO presence/status=body ?
3797
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
246 elseif code2err[code] then
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
247 reply = st.error_reply(stanza, errors.new(code, nil, code2err));
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
248 elseif code_hundreds == 400 then
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
249 reply = st.error_reply(stanza, "modify", "bad-request", body);
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
250 elseif code_hundreds == 500 then
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
251 reply = st.error_reply(stanza, "cancel", "internal-server-error", body);
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
252 else
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
253 reply = st.error_reply(stanza, "cancel", "undefined-condition", body);
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
254 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
255 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
256
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
257 if receipt then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
258 reply:add_direct_child(receipt);
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
259 end
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
260
3803
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
261 module:log("debug", "Received[rest]: %s", reply:top_tag());
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
262
3795
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263 origin.send(reply);
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264 end);
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265
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266 return true;
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267 end
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268
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269 if module:get_host_type() == "component" then
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270 module:hook("iq/bare", handle_stanza, -1);
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271 module:hook("message/bare", handle_stanza, -1);
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272 module:hook("presence/bare", handle_stanza, -1);
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273 module:hook("iq/full", handle_stanza, -1);
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274 module:hook("message/full", handle_stanza, -1);
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275 module:hook("presence/full", handle_stanza, -1);
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276 module:hook("iq/host", handle_stanza, -1);
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277 module:hook("message/host", handle_stanza, -1);
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278 module:hook("presence/host", handle_stanza, -1);
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279 else
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280 -- Don't override everything on normal VirtualHosts
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281 module:hook("iq/host", handle_stanza, -1);
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282 module:hook("message/host", handle_stanza, -1);
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283 module:hook("presence/host", handle_stanza, -1);
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284 end
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285 end
3842
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286
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287 local http_server = require "net.http.server";
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288 module:hook_object_event(http_server, "http-error", function (event)
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289 local request, response = event.request, event.response;
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290 if true or decide_type(request and request.headers.accept or "") == "application/json" then
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291 if response then
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292 response.headers.content_type = "application/json";
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293 end
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294 return json.encode({
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295 type = "error",
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296 error = event.error,
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297 code = event.code,
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298 });
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299 end
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300 end, 10);