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annotate mod_rest/mod_rest.lua @ 4506:508cb880b163

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mod_rest: Fix typos [codespell]
author Kim Alvefur <zash@zash.se>
date Tue, 09 Mar 2021 18:44:35 +0100
parents 80912726405d
children 81d0748bff5b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 encodings = require "util.encodings";
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8 local base64 = encodings.base64;
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9 local errors = require "util.error";
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10 local http = require "net.http";
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11 local id = require "util.id";
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12 local jid = require "util.jid";
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13 local json = require "util.json";
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14 local st = require "util.stanza";
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15 local um = require "core.usermanager";
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16 local xml = require "util.xml";
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17 local have_cbor, cbor = pcall(require, "cbor");
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18
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19 local jsonmap = module:require"jsonmap";
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20
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21 local tokens = module:depends("tokenauth");
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22
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23 local auth_mechanisms = module:get_option_set("rest_auth_mechanisms", { "Basic", "Bearer" });
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24
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25 local www_authenticate_header;
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26 do
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27 local header, realm = {}, module.host.."/"..module.name;
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28 for mech in auth_mechanisms do
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29 header[#header+1] = ("%s realm=%q"):format(mech, realm);
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30 end
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31 www_authenticate_header = table.concat(header, ", ");
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32 end
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33
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34 -- Bearer token
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35 local function check_credentials(request)
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36 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
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37 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then
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38 return false;
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39 end
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40
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41 if auth_type == "Basic" then
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42 local creds = base64.decode(auth_data);
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43 if not creds then return false; end
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44 local username, password = string.match(creds, "^([^:]+):(.*)$");
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45 if not username then return false; end
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46 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password);
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47 if not username then return false; end
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48 if not um.test_password(username, module.host, password) then
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49 return false;
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50 end
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51 return { username = username, host = module.host };
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52 elseif auth_type == "Bearer" then
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53 local token_info = tokens.get_token_info(auth_data);
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54 if not token_info or not token_info.session then
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55 return false;
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56 end
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57 return token_info.session;
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58 end
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59 return nil;
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60 end
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61
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62 -- (table, string) -> table
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63 local function amend_from_path(data, path)
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64 local st_kind, st_type, st_to = path:match("^([mpi]%w+)/(%w+)/(.*)$");
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65 if not st_kind then return; end
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66 if st_kind == "iq" and st_type ~= "get" and st_type ~= "set" then
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67 -- GET /iq/disco/jid
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68 data = {
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69 kind = "iq";
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70 type = "get";
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71 [st_type] = st_type == "ping" or data or {};
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72 };
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73 else
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74 data.kind = st_kind;
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75 data.type = st_type;
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76 end
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77 if st_to and st_to ~= "" then
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78 data.to = st_to;
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79 end
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80 return data;
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81 end
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82
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83 local function parse(mimetype, data, path) --> Stanza, error enum
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84 mimetype = mimetype and mimetype:match("^[^; ]*");
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85 if mimetype == "application/xmpp+xml" then
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86 return xml.parse(data);
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87 elseif mimetype == "application/json" then
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88 local parsed, err = json.decode(data);
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89 if not parsed then
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90 return parsed, err;
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91 end
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92 if path then
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93 parsed = amend_from_path(parsed, path);
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94 if not parsed then return nil, "invalid-path"; end
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95 end
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96 return jsonmap.json2st(parsed);
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97 elseif mimetype == "application/cbor" and have_cbor then
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98 local parsed, err = cbor.decode(data);
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99 if not parsed then
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100 return parsed, err;
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101 end
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102 return jsonmap.json2st(parsed);
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103 elseif mimetype == "application/x-www-form-urlencoded"then
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104 local parsed = http.formdecode(data);
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105 if type(parsed) == "string" then
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106 -- This should reject GET /iq/query/to?messagebody
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107 if path then
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108 return nil, "invalid-query";
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109 end
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110 return parse("text/plain", parsed);
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111 end
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112 for i = #parsed, 1, -1 do
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113 parsed[i] = nil;
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114 end
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115 if path then
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116 parsed = amend_from_path(parsed, path);
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117 if not parsed then return nil, "invalid-path"; end
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118 end
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119 return jsonmap.json2st(parsed);
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120 elseif mimetype == "text/plain" then
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121 if not path then
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122 return st.message({ type = "chat" }, data);
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123 end
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124 local parsed = {};
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125 if path then
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126 parsed = amend_from_path(parsed, path);
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127 if not parsed then return nil, "invalid-path"; end
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128 end
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129 if parsed.kind == "message" then
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130 parsed.body = data;
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131 elseif parsed.kind == "presence" then
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diff changeset
132 parsed.show = data;
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
133 else
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
134 return nil, "invalid-path";
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
135 end
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
136 return jsonmap.json2st(parsed);
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
137 elseif not mimetype and path then
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
138 local parsed = amend_from_path({}, path);
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
139 if not parsed then return nil, "invalid-path"; end
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
140 return jsonmap.json2st(parsed);
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
141 end
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
142 return nil, "unknown-payload-type";
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
143 end
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
144
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
145 local function decide_type(accept, supported_types)
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
146 -- assumes the accept header is sorted
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
147 local ret = supported_types[1];
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
148 for i = 2, #supported_types do
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
149 if (accept:find(supported_types[i], 1, true) or 1000) < (accept:find(ret, 1, true) or 1000) then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
150 ret = supported_types[i];
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
151 end
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
152 end
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
153 return ret;
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
154 end
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
155
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
156 local supported_inputs = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
157 "application/xmpp+xml",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
158 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
159 "application/x-www-form-urlencoded",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
160 "text/plain",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
161 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
162
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
163 local supported_outputs = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
164 "application/xmpp+xml",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
165 "application/json",
4066
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
166 "application/x-www-form-urlencoded",
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
167 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
168
4037
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
169 if have_cbor then
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
170 table.insert(supported_inputs, "application/cbor");
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
171 table.insert(supported_outputs, "application/cbor");
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
172 end
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
173
4066
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
174 -- Only { string : string } can be form-encoded, discard the rest
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
175 -- (jsonmap also discards anything unknown or unsupported)
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
176 local function flatten(t)
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
177 local form = {};
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
178 for k, v in pairs(t) do
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
179 if type(v) == "string" then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
180 form[k] = v;
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
181 elseif type(v) == "number" then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
182 form[k] = tostring(v);
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
183 elseif v == true then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
184 form[k] = "";
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
185 end
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
186 end
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
187 return form;
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
188 end
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
189
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
190 local function encode(type, s)
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
191 if type == "application/json" then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
192 return json.encode(jsonmap.st2json(s));
4066
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
193 elseif type == "application/x-www-form-urlencoded" then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
194 return http.formencode(flatten(jsonmap.st2json(s)));
4037
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
195 elseif type == "application/cbor" then
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
196 return cbor.encode(jsonmap.st2json(s));
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
197 elseif type == "text/plain" then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
198 return s:get_child_text("body") or "";
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
199 end
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
200 return tostring(s);
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
201 end
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
202
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
203 local post_errors = errors.init("mod_rest", {
3971
ae5ac41c391d mod_rest: Improve auth error reporting
Kim Alvefur <zash@zash.se>
parents: 3933
diff changeset
204 noauthz = { code = 401, type = "auth", condition = "not-authorized", text = "No credentials provided" },
ae5ac41c391d mod_rest: Improve auth error reporting
Kim Alvefur <zash@zash.se>
parents: 3933
diff changeset
205 unauthz = { code = 403, type = "auth", condition = "not-authorized", text = "Credentials not accepted" },
3930
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
206 parse = { code = 400, condition = "not-well-formed", text = "Failed to parse payload", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
207 xmlns = { code = 422, condition = "invalid-namespace", text = "'xmlns' attribute must be empty", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
208 name = { code = 422, condition = "unsupported-stanza-type", text = "Invalid stanza, must be 'message', 'presence' or 'iq'.", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
209 to = { code = 422, condition = "improper-addressing", text = "Invalid destination JID", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
210 from = { code = 422, condition = "invalid-from", text = "Invalid source JID", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
211 post_auth = { code = 403, condition = "not-authorized", text = "Not authorized to send stanza with requested 'from'", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
212 iq_type = { code = 422, condition = "invalid-xml", text = "'iq' stanza must be of type 'get' or 'set'", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
213 iq_tags = { code = 422, condition = "bad-format", text = "'iq' stanza must have exactly one child tag", },
4036
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415
Kim Alvefur <zash@zash.se>
parents: 3971
diff changeset
214 mediatype = { code = 415, condition = "bad-format", text = "Unsupported media type" },
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
215 });
3930
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
216
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
217 -- GET → iq-get
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
218 local function parse_request(request, path)
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
219 if path and request.method == "GET" then
4506
508cb880b163 mod_rest: Fix typos [codespell]
Kim Alvefur <zash@zash.se>
parents: 4503
diff changeset
220 -- e.g. /version/{to}
4503
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
221 if request.url.query then
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
222 return parse("application/x-www-form-urlencoded", request.url.query, "iq/"..path);
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
223 end
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
224 return parse(nil, nil, "iq/"..path);
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
225 else
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
226 return parse(request.headers.content_type, request.body, path);
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
227 end
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
228 end
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
229
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
230 local function handle_request(event, path)
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 local request, response = event.request, event.response;
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
232 local from;
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
233 local origin;
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
234
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
235 if not request.headers.authorization then
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
236 response.headers.www_authenticate = www_authenticate_header;
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
237 return post_errors.new("noauthz");
3876
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication
Kim Alvefur <zash@zash.se>
parents: 3874
diff changeset
238 else
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
239 origin = check_credentials(request);
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
240 if not origin then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
241 return post_errors.new("unauthz");
3876
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication
Kim Alvefur <zash@zash.se>
parents: 3874
diff changeset
242 end
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
243 from = jid.join(origin.username, origin.host, origin.resource);
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
244 end
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
245 local payload, err = parse_request(request, path);
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 if not payload then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 -- parse fail
4036
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415
Kim Alvefur <zash@zash.se>
parents: 3971
diff changeset
248 local ctx = { error = err, type = request.headers.content_type, data = request.body, };
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415
Kim Alvefur <zash@zash.se>
parents: 3971
diff changeset
249 if err == "unknown-payload-type" then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
250 return post_errors.new("mediatype", ctx);
4036
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415
Kim Alvefur <zash@zash.se>
parents: 3971
diff changeset
251 end
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
252 return post_errors.new("parse", ctx);
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
253 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
254
3801
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3799
diff changeset
255 if payload.attr.xmlns then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
256 return post_errors.new("xmlns");
3805
683b06c0348f mod_rest: Validate stanza kind earlier
Kim Alvefur <zash@zash.se>
parents: 3804
diff changeset
257 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
258 return post_errors.new("name");
3801
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3799
diff changeset
259 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
260
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 local to = jid.prep(payload.attr.to);
4502
48afaec5d1de mod_rest: Allow empty @to to mean to=account is in normal XMPP
Kim Alvefur <zash@zash.se>
parents: 4488
diff changeset
262 if payload.attr.to and not to then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
263 return post_errors.new("to");
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
265
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
266 if payload.attr.from then
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
267 local requested_from = jid.prep(payload.attr.from);
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
268 if not requested_from then
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parents: 4242
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269 return post_errors.new("from");
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parents:
diff changeset
270 end
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parents: 3909
diff changeset
271 if jid.compare(requested_from, from) then
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parents: 3909
diff changeset
272 from = requested_from;
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parents: 3909
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273 else
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parents: 4242
diff changeset
274 return post_errors.new("from_auth");
3794
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parents:
diff changeset
275 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276 end
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parents: 4066
diff changeset
277
3794
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parents:
diff changeset
278 payload.attr = {
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parents:
diff changeset
279 from = from,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
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parents:
diff changeset
280 to = to,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
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parents:
diff changeset
281 id = payload.attr.id or id.medium(),
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
282 type = payload.attr.type,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
283 ["xml:lang"] = payload.attr["xml:lang"],
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
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parents:
diff changeset
284 };
4242
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parents: 4066
diff changeset
285
3803
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parents: 3802
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286 module:log("debug", "Received[rest]: %s", payload:top_tag());
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parents: 4477
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287 local send_type = decide_type((request.headers.accept or "") ..",".. (request.headers.content_type or ""), supported_outputs)
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parents:
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288 if payload.name == "iq" then
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parents: 3909
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289 function origin.send(stanza)
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parents: 3925
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290 module:send(stanza);
3910
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parents: 3909
diff changeset
291 end
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parents: 4066
diff changeset
292
3794
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parents:
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293 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then
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parents: 4242
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294 return post_errors.new("iq_type");
3832
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parents: 3825
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295 elseif #payload.tags ~= 1 then
4244
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parents: 4242
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296 return post_errors.new("iq_tags");
3794
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parents:
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297 end
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parents: 4066
diff changeset
298
3910
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parents: 3909
diff changeset
299 return module:send_iq(payload, origin):next(
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parents:
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300 function (result)
3803
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parents: 3802
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301 module:log("debug", "Sending[rest]: %s", result.stanza:top_tag());
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parents: 3810
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302 response.headers.content_type = send_type;
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parents: 3811
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303 return encode(send_type, result.stanza);
3794
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parents:
diff changeset
304 end,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
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parents:
diff changeset
305 function (error)
3909
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parents: 3887
diff changeset
306 if not errors.is_err(error) then
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parents: 3887
diff changeset
307 module:log("error", "Uncaught native error: %s", error);
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Matthew Wild <mwild1@gmail.com>
parents: 3887
diff changeset
308 return select(2, errors.coerce(nil, error));
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents: 3887
diff changeset
309 elseif error.context and error.context.stanza then
3811
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parents: 3810
diff changeset
310 response.headers.content_type = send_type;
3803
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parents: 3802
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311 module:log("debug", "Sending[rest]: %s", error.context.stanza:top_tag());
3812
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parents: 3811
diff changeset
312 return encode(send_type, error.context.stanza);
3794
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parents:
diff changeset
313 else
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parents:
diff changeset
314 return error;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
315 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 end);
3805
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parents: 3804
diff changeset
317 else
3796
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parents: 3795
diff changeset
318 function origin.send(stanza)
3803
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parents: 3802
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319 module:log("debug", "Sending[rest]: %s", stanza:top_tag());
3811
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parents: 3810
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320 response.headers.content_type = send_type;
3812
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parents: 3811
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321 response:send(encode(send_type, stanza));
3796
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parents: 3795
diff changeset
322 return true;
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parents: 3795
diff changeset
323 end
4242
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parents: 4066
diff changeset
324
3814
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parents: 3813
diff changeset
325 module:send(payload, origin);
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parents: 3813
diff changeset
326 return 202;
3794
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parents:
diff changeset
327 end
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parents:
diff changeset
328 end
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parents:
diff changeset
329
4488
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parents: 4481
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330 local demo_handlers = {};
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parents: 4481
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331 if module:get_option_path("rest_demo_resources", nil) then
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parents: 4481
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332 demo_handlers = module:require"apidemo";
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parents: 4481
diff changeset
333 end
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parents: 4481
diff changeset
334
3794
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parents:
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335 -- Handle stanzas submitted via HTTP
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parents:
diff changeset
336 module:depends("http");
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
337 module:provides("http", {
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parents:
diff changeset
338 route = {
4478
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parents: 4477
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339 POST = handle_request;
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parents: 4477
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340 ["POST /*"] = handle_request;
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parents: 4477
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341 ["GET /*"] = handle_request;
4488
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parents: 4481
diff changeset
342
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parents: 4481
diff changeset
343 -- Only if api_demo_resources are set
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parents: 4481
diff changeset
344 ["GET /"] = demo_handlers.redirect;
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parents: 4481
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345 ["GET /demo/"] = demo_handlers.main_page;
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parents: 4481
diff changeset
346 ["GET /demo/openapi.yaml"] = demo_handlers.schema;
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parents: 4481
diff changeset
347 ["GET /demo/*"] = demo_handlers.resources;
3794
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parents:
diff changeset
348 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 });
3795
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Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
350
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
351 -- 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
352 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
353 if rest_url then
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
354 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
355 if send_type == "json" then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
356 send_type = "application/json";
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
357 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
358
3862
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
359 module:set_status("info", "Not yet connected");
3861
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
360 http.request(rest_url, {
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
361 method = "OPTIONS",
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
362 }, function (body, code, response)
3862
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
363 if code == 0 then
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
364 return module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body);
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
365 else
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
366 module:set_status("info", "Connected");
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
367 end
3861
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
368 if code == 200 and response.headers.accept then
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
369 send_type = decide_type(response.headers.accept, supported_outputs);
3861
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
370 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
371 end
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
372 end);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
373
4245
7bf3bf81c9ef mod_rest: Use HTTP error mapping from net.http.errors
Kim Alvefur <zash@zash.se>
parents: 4244
diff changeset
374 local code2err = require "net.http.errors".registry;
3797
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors
Kim Alvefur <zash@zash.se>
parents: 3796
diff changeset
375
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
376 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
377 local stanza, origin = event.stanza, event.origin;
4250
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
378 local reply_allowed = stanza.attr.type ~= "error";
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
379 local reply_needed = reply_allowed and stanza.name == "iq";
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
380 local receipt;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
381
4250
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
382 if reply_allowed and stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
383 reply_needed = true;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
384 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
385 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
386
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
387 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
388
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
389 -- 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
390 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
391
3803
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
392 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
393 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
394 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
395 headers = {
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
396 ["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
397 ["Content-Language"] = stanza.attr["xml:lang"],
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
398 Accept = table.concat(supported_inputs, ", ");
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
399 },
4247
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
400 }):next(function (response)
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
401 module:set_status("info", "Connected");
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
402 local reply;
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
403
4247
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
404 local code, body = response.code, response.body;
4250
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
405 if not reply_allowed then
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
406 return;
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
407 elseif code == 202 or code == 204 then
3867
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
408 if not reply_needed then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
409 -- Delivered, no reply
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
410 return;
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
411 end
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
412 else
3867
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
413 local parsed, err = parse(response.headers["content-type"], body);
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
414 if not parsed then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
415 module:log("warn", "Failed parsing data from REST callback: %s, %q", err, body);
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
416 elseif parsed.name ~= stanza.name then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
417 module:log("warn", "REST callback responded with the wrong stanza type, got %s but expected %s", parsed.name, stanza.name);
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
418 else
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
419 parsed.attr = {
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
420 from = stanza.attr.to,
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
421 to = stanza.attr.from,
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
422 id = parsed.attr.id or id.medium();
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
423 type = parsed.attr.type,
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
424 ["xml:lang"] = parsed.attr["xml:lang"],
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
425 };
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
426 if parsed.name == "message" and parsed.attr.type == "groupchat" then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
427 parsed.attr.to = jid.bare(stanza.attr.from);
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
428 end
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
429 if not stanza.attr.type and parsed:get_child("error") then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
430 parsed.attr.type = "error";
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
431 end
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
432 if parsed.attr.type == "error" then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
433 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
434 elseif parsed.name == "iq" then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
435 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
436 parsed.attr.type = "result";
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
437 end
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
438 reply = parsed;
3821
11272a3233ce mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents: 3816
diff changeset
439 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
440 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
441
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
442 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
443 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
444 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
445 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
446 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
447 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
448 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
449 -- 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
450 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
451 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
452 elseif code_hundreds == 400 then
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
453 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
454 elseif code_hundreds == 500 then
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
455 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
456 else
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
457 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
458 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
459 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
460
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
461 if receipt then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
462 reply:add_direct_child(receipt);
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
463 end
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
464
3803
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
465 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
466
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
467 origin.send(reply);
4247
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
468 end,
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
469 function (err)
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
470 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, err);
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
471 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", err.text));
4249
64aa1d9d70ac mod_rest: Catch and log errors in callback promise chain
Kim Alvefur <zash@zash.se>
parents: 4247
diff changeset
472 end):catch(function (err)
64aa1d9d70ac mod_rest: Catch and log errors in callback promise chain
Kim Alvefur <zash@zash.se>
parents: 4247
diff changeset
473 module:log("error", "Error[rest]: %s", err);
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
474 end);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
475
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
476 return true;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
477 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
478
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
479 if module:get_host_type() == "component" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
480 module:hook("iq/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
481 module:hook("message/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
482 module:hook("presence/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
483 module:hook("iq/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
484 module:hook("message/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
485 module:hook("presence/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
486 module:hook("iq/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
487 module:hook("message/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
488 module:hook("presence/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
489 else
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
490 -- Don't override everything on normal VirtualHosts
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
491 module:hook("iq/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
492 module:hook("message/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
493 module:hook("presence/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
494 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
495 end
3842
501c7edc8c37 mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents: 3832
diff changeset
496
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
497 local supported_errors = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
498 "text/html",
3931
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
499 "application/xmpp+xml",
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
500 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
501 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
502
3873
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
503 local http_server = require "net.http.server";
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
504 module:hook_object_event(http_server, "http-error", function (event)
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
505 local request, response = event.request, event.response;
3931
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
506 local response_as = decide_type(request and request.headers.accept or "", supported_errors);
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
507 if response_as == "application/xmpp+xml" then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
508 if response then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
509 response.headers.content_type = "application/xmpp+xml";
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
510 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
511 local stream_error = st.stanza("error", { xmlns = "http://etherx.jabber.org/streams" });
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
512 if event.error then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
513 stream_error:tag(event.error.condition, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }):up();
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
514 if event.error.text then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
515 stream_error:text_tag("text", event.error.text, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' });
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
516 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
517 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
518 return tostring(stream_error);
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
519 elseif response_as == "application/json" then
3873
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
520 if response then
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
521 response.headers.content_type = "application/json";
3842
501c7edc8c37 mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents: 3832
diff changeset
522 end
3873
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
523 return json.encode({
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
524 type = "error",
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
525 error = event.error,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
526 code = event.code,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
527 });
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
528 end
3933
93147b89ea67 mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500)
Kim Alvefur <zash@zash.se>
parents: 3931
diff changeset
529 end, 1);