Mercurial > prosody-modules

annotate mod_rest/mod_rest.lua @ 5603:ee335399d90e

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mod_muc_limits: Drop unsupported Prosody versions from Compatibility table
author Kim Alvefur <zash@zash.se>
date Sat, 15 Jul 2023 09:16:19 +0200
parents 5b316088bef5
children 0cffeff2cd1d
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) 2019-2022 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 local function check_credentials(request)
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35 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
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36 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then
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37 return false;
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38 end
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39
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40 if auth_type == "Basic" then
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41 local creds = base64.decode(auth_data);
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42 if not creds then return false; end
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43 local username, password = string.match(creds, "^([^:]+):(.*)$");
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44 if not username then return false; end
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45 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password);
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46 if not username then return false; end
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47 if not um.test_password(username, module.host, password) then
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48 return false;
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49 end
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50 return { username = username, host = module.host };
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51 elseif auth_type == "Bearer" then
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52 if tokens.get_token_session then
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53 return tokens.get_token_session(auth_data);
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54 else -- COMPAT w/0.12
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55 local token_info = tokens.get_token_info(auth_data);
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56 if not token_info or not token_info.session then
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57 return false;
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58 end
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59 return token_info.session;
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60 end
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61 end
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62 return nil;
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63 end
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64
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65 if module:get_option_string("authentication") == "anonymous" and module:get_option_boolean("anonymous_rest") then
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66 www_authenticate_header = nil;
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67 function check_credentials(request) -- luacheck: ignore 212/request
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68 return {
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69 username = id.medium():lower();
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70 host = module.host;
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71 }
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72 end
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73 end
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74
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75 local function event_suffix(jid_to)
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76 local node, _, resource = jid.split(jid_to);
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77 if node then
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78 if resource then
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79 return '/full';
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80 else
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81 return '/bare';
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82 end
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83 else
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84 return '/host';
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85 end
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86 end
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87
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88
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89 -- TODO This ought to be handled some way other than duplicating this
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90 -- core.stanza_router code here.
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91 local function compat_preevents(origin, stanza) --> boolean : handled
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92 local to = stanza.attr.to;
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93 local node, host, resource = jid.split(to);
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94
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95 local to_type, to_self;
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96 if node then
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97 if resource then
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98 to_type = '/full';
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99 else
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100 to_type = '/bare';
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101 if node == origin.username and host == origin.host then
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102 stanza.attr.to = nil;
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103 to_self = true;
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104 end
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105 end
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106 else
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107 if host then
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108 to_type = '/host';
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109 else
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110 to_type = '/bare';
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111 to_self = true;
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112 end
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113 end
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114
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115 local event_data = { origin = origin; stanza = stanza; to_self = to_self };
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116
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117 local result = module:fire_event("pre-stanza", event_data);
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118 if result ~= nil then return true end
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119 if module:fire_event('pre-' .. stanza.name .. to_type, event_data) then return true; end -- do preprocessing
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120 return false
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121 end
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122
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123 -- (table, string) -> table
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124 local function amend_from_path(data, path)
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125 local st_kind, st_type, st_to = path:match("^([mpi]%w+)/(%w+)/(.*)$");
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126 if not st_kind then return; end
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127 if st_kind == "iq" and st_type ~= "get" and st_type ~= "set" then
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128 -- GET /iq/disco/jid
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129 data = {
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130 kind = "iq";
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131 [st_type] = st_type == "ping" or data or {};
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132 };
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133 else
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134 data.kind = st_kind;
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135 data.type = st_type;
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136 end
4477
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Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
137 if st_to and st_to ~= "" then
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
138 data.to = st_to;
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
139 end
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
140 return data;
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
141 end
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
142
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
143 local function parse(mimetype, data, path) --> Stanza, error enum
3825
802087d3155a mod_rest: Fix traceback on missing content-type header
Kim Alvefur <zash@zash.se>
parents: 3824
diff changeset
144 mimetype = mimetype and mimetype:match("^[^; ]*");
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
145 if mimetype == "application/xmpp+xml" then
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
146 return xml.parse(data);
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
147 elseif mimetype == "application/json" then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
148 local parsed, err = json.decode(data);
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
149 if not parsed then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
150 return parsed, err;
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
151 end
4503
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
152 if path then
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
153 parsed = amend_from_path(parsed, path);
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
154 if not parsed then return nil, "invalid-path"; end
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
155 end
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
156 return jsonmap.json2st(parsed);
4037
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
157 elseif mimetype == "application/cbor" and have_cbor then
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
158 local parsed, err = cbor.decode(data);
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
159 if not parsed then
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
160 return parsed, err;
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
161 end
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
162 return jsonmap.json2st(parsed);
3911
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
163 elseif mimetype == "application/x-www-form-urlencoded"then
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
164 local parsed = http.formdecode(data);
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
165 if type(parsed) == "string" then
4503
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
166 -- This should reject GET /iq/query/to?messagebody
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
167 if path then
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
168 return nil, "invalid-query";
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
169 end
3911
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
170 return parse("text/plain", parsed);
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
171 end
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
172 for i = #parsed, 1, -1 do
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
173 parsed[i] = nil;
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
174 end
4503
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
175 if path then
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
176 parsed = amend_from_path(parsed, path);
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
177 if not parsed then return nil, "invalid-path"; end
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
178 end
3911
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping)
Kim Alvefur <zash@zash.se>
parents: 3910
diff changeset
179 return jsonmap.json2st(parsed);
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
180 elseif mimetype == "text/plain" then
4477
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
181 if not path then
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
182 return st.message({ type = "chat" }, data);
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
183 end
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
184 local parsed = {};
4503
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
185 if path then
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
186 parsed = amend_from_path(parsed, path);
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
187 if not parsed then return nil, "invalid-path"; end
80912726405d mod_rest: Allow passing e.g. disco 'node' as a ?query variable
Kim Alvefur <zash@zash.se>
parents: 4502
diff changeset
188 end
4477
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
189 if parsed.kind == "message" then
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
190 parsed.body = data;
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
191 elseif parsed.kind == "presence" then
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
192 parsed.show = data;
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
193 else
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
194 return nil, "invalid-path";
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
195 end
8df6cc648963 mod_rest: Add more REST-looking way to send stanzas
Kim Alvefur <zash@zash.se>
parents: 4250
diff changeset
196 return jsonmap.json2st(parsed);
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
197 elseif not mimetype and path then
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
198 local parsed = amend_from_path({}, path);
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
199 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
200 return jsonmap.json2st(parsed);
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
201 end
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
202 return nil, "unknown-payload-type";
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
203 end
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
204
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
205 local function decide_type(accept, supported_types)
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
206 -- assumes the accept header is sorted
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
207 local ret = supported_types[1];
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
208 for i = 2, #supported_types do
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
209 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
210 ret = supported_types[i];
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
211 end
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
212 end
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
213 return ret;
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
214 end
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
215
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
216 local supported_inputs = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
217 "application/xmpp+xml",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
218 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
219 "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
220 "text/plain",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
221 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
222
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
223 local supported_outputs = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
224 "application/xmpp+xml",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
225 "application/json",
4066
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
226 "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
227 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
228
4037
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
229 if have_cbor then
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
230 table.insert(supported_inputs, "application/cbor");
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
231 table.insert(supported_outputs, "application/cbor");
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
232 end
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
233
4066
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
234 -- 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
235 -- (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
236 local function flatten(t)
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
237 local form = {};
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
238 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
239 if type(v) == "string" then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
240 form[k] = v;
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
241 elseif type(v) == "number" then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
242 form[k] = tostring(v);
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
243 elseif v == true then
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
244 form[k] = "";
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
245 end
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
246 end
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
247 return form;
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
248 end
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
249
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
250 local function encode(type, s)
4919
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
251 if type == "text/plain" then
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
252 return s:get_child_text("body") or "";
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
253 elseif type == "application/xmpp+xml" then
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
254 return tostring(s);
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
255 end
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
256 local mapped, err = jsonmap.st2json(s);
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
257 if not mapped then return mapped, err; end
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
258 if type == "application/json" then
4919
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
259 return json.encode(mapped);
4066
07ae583bc565 mod_rest: Add support for form-encoded output
Kim Alvefur <zash@zash.se>
parents: 4037
diff changeset
260 elseif type == "application/x-www-form-urlencoded" then
4919
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
261 return http.formencode(flatten(mapped));
4037
991090cb5d18 mod_rest: Add support for CBOR
Kim Alvefur <zash@zash.se>
parents: 4036
diff changeset
262 elseif type == "application/cbor" then
4919
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
263 return cbor.encode(mapped);
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
264 end
4919
347e34c3c7e2 mod_rest: Improve error handling during format mapping
Kim Alvefur <zash@zash.se>
parents: 4918
diff changeset
265 error "unsupported encoding";
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
266 end
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
267
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
268 local post_errors = errors.init("mod_rest", {
4988
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
269 noauthz = { code = 401; type = "auth"; condition = "not-authorized"; text = "No credentials provided" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
270 unauthz = { code = 403; type = "auth"; condition = "not-authorized"; text = "Credentials not accepted" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
271 parse = { code = 400; type = "modify"; condition = "not-well-formed"; text = "Failed to parse payload" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
272 xmlns = { code = 422; type = "modify"; condition = "invalid-namespace"; text = "'xmlns' attribute must be empty" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
273 name = { code = 422; type = "modify"; condition = "unsupported-stanza-type"; text = "Invalid stanza, must be 'message', 'presence' or 'iq'." };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
274 to = { code = 422; type = "modify"; condition = "improper-addressing"; text = "Invalid destination JID" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
275 from = { code = 422; type = "modify"; condition = "invalid-from"; text = "Invalid source JID" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
276 from_auth = { code = 403; type = "auth"; condition = "not-authorized"; text = "Not authorized to send stanza with requested 'from'" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
277 iq_type = { code = 422; type = "modify"; condition = "invalid-xml"; text = "'iq' stanza must be of type 'get' or 'set'" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
278 iq_tags = { code = 422; type = "modify"; condition = "bad-format"; text = "'iq' stanza must have exactly one child tag" };
732229fe68ab mod_rest: Fill in 'type' field in error registry
Kim Alvefur <zash@zash.se>
parents: 4955
diff changeset
279 mediatype = { code = 415; type = "cancel"; condition = "bad-format"; text = "Unsupported media type" };
4244
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Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
280 });
3930
d5dafd617cd6 mod_rest: Break out POST errors into a registry
Kim Alvefur <zash@zash.se>
parents: 3929
diff changeset
281
4478
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Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
282 -- GET → iq-get
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
283 local function parse_request(request, path)
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
284 if path and request.method == "GET" then
4506
508cb880b163 mod_rest: Fix typos [codespell]
Kim Alvefur <zash@zash.se>
parents: 4503
diff changeset
285 -- 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
286 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
287 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
288 end
4478
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Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
289 return parse(nil, nil, "iq/"..path);
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
290 else
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
291 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
292 end
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
293 end
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
294
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
295 local function handle_request(event, path)
3794
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parents:
diff changeset
296 local request, response = event.request, event.response;
5585
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Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
297 local log = request.log or module._log;
3910
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Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
298 local from;
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
299 local origin;
4514
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parents: 4506
diff changeset
300 local echo = path == "echo";
81d0748bff5b mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents: 4506
diff changeset
301 if echo then path = nil; end
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
302
4734
e58ec4b3cf90 mod_rest: Add an anonymous mode
Kim Alvefur <zash@zash.se>
parents: 4727
diff changeset
303 if not request.headers.authorization and www_authenticate_header then
3910
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Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
304 response.headers.www_authenticate = www_authenticate_header;
4244
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Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
305 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
306 else
3910
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Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
307 origin = check_credentials(request);
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
308 if not origin then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
309 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
310 end
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
311 from = jid.join(origin.username, origin.host, origin.resource);
5557
d7667d9ad96a mod_rest: Include full_jid property on origin
Kim Alvefur <zash@zash.se>
parents: 5334
diff changeset
312 origin.full_jid = from;
4727
e6f46d1b3337 mod_rest: Set type on temp session to satisfy certain auth checks
Kim Alvefur <zash@zash.se>
parents: 4699
diff changeset
313 origin.type = "c2s";
5585
5b316088bef5 mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
314 origin.log = log;
3802
f88e07630e4e mod_rest: Add support for simple Bearer token auth
Kim Alvefur <zash@zash.se>
parents: 3801
diff changeset
315 end
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
316 local payload, err = parse_request(request, path);
3794
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
317 if not payload then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 -- parse fail
4036
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415
Kim Alvefur <zash@zash.se>
parents: 3971
diff changeset
319 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
320 if err == "unknown-payload-type" then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
321 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
322 end
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
323 return post_errors.new("parse", ctx);
3794
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
324 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
325
4841
f69c5a443156 mod_rest: Fix nested message stanzas in XEP-0297 containers
Kim Alvefur <zash@zash.se>
parents: 4745
diff changeset
326 if (payload.attr.xmlns or "jabber:client") ~= "jabber:client" then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
327 return post_errors.new("xmlns");
3805
683b06c0348f mod_rest: Validate stanza kind earlier
Kim Alvefur <zash@zash.se>
parents: 3804
diff changeset
328 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
329 return post_errors.new("name");
3801
d59fb4dcf100 mod_rest: Verify that @xmlns is left empty
Kim Alvefur <zash@zash.se>
parents: 3799
diff changeset
330 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
331
3794
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
332 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
333 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
334 return post_errors.new("to");
3794
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
336
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
337 if payload.attr.from then
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
338 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
339 if not requested_from then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
340 return post_errors.new("from");
3794
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
341 end
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
342 if jid.compare(requested_from, from) then
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
343 from = requested_from;
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
344 else
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
345 return post_errors.new("from_auth");
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
348
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 payload.attr = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
350 from = from,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
351 to = to,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 id = payload.attr.id or id.medium(),
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 type = payload.attr.type,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
354 ["xml:lang"] = payload.attr["xml:lang"],
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
355 };
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
356
5585
5b316088bef5 mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
357 log("debug", "Received[rest]: %s", payload:top_tag());
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
358 local send_type = decide_type((request.headers.accept or "") ..",".. (request.headers.content_type or ""), supported_outputs)
4514
81d0748bff5b mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents: 4506
diff changeset
359
81d0748bff5b mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents: 4506
diff changeset
360 if echo then
4918
9d0ec61c70a1 mod_rest: Catch and coerce errors in echo endpoint
Kim Alvefur <zash@zash.se>
parents: 4888
diff changeset
361 local ret, err = errors.coerce(encode(send_type, payload));
9d0ec61c70a1 mod_rest: Catch and coerce errors in echo endpoint
Kim Alvefur <zash@zash.se>
parents: 4888
diff changeset
362 if not ret then return err; end
4514
81d0748bff5b mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents: 4506
diff changeset
363 response.headers.content_type = send_type;
4918
9d0ec61c70a1 mod_rest: Catch and coerce errors in echo endpoint
Kim Alvefur <zash@zash.se>
parents: 4888
diff changeset
364 return ret;
4514
81d0748bff5b mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents: 4506
diff changeset
365 end
81d0748bff5b mod_rest: Add an 'echo' endpoint for debugging
Kim Alvefur <zash@zash.se>
parents: 4506
diff changeset
366
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
367 if payload.name == "iq" then
4699
a8af632daf48 mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents: 4532
diff changeset
368 local responses = st.stanza("xmpp");
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
369 function origin.send(stanza)
4699
a8af632daf48 mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents: 4532
diff changeset
370 responses:add_direct_child(stanza);
3910
49efd1323a1b mod_rest: Add support for token authentication
Matthew Wild <mwild1@gmail.com>
parents: 3909
diff changeset
371 end
4735
58a20d5ac6e9 mod_rest: Fire pre-events
Kim Alvefur <zash@zash.se>
parents: 4734
diff changeset
372 if compat_preevents(origin, payload) then return 202; end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
373
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
374 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
375 return post_errors.new("iq_type");
3832
0d4146cf9fbc mod_rest: Enforce single child policy for outgoing it stanzas
Kim Alvefur <zash@zash.se>
parents: 3825
diff changeset
376 elseif #payload.tags ~= 1 then
4244
07c11080027e mod_rest: Use util.error registry datatype
Kim Alvefur <zash@zash.se>
parents: 4242
diff changeset
377 return post_errors.new("iq_tags");
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
378 end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
379
4942
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
380 -- special handling of multiple responses to MAM queries primarily from
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
381 -- remote hosts, local go directly to origin.send()
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
382 local archive_event_name = "message"..event_suffix(from);
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
383 local archive_handler;
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
384 local archive_query = payload:get_child("query", "urn:xmpp:mam:2");
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
385 if archive_query then
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
386 archive_handler = function(result_event)
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
387 if result_event.stanza:find("{urn:xmpp:mam:2}result/@queryid") == archive_query.attr.queryid then
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
388 origin.send(result_event.stanza);
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
389 return true;
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
390 end
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
391 end
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
392 module:hook(archive_event_name, archive_handler, 1);
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
393 end
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
394
5332
e0b5468aae49 mod_rest: Allow passing configuring a timeout for <iq> responses
Kim Alvefur <zash@zash.se>
parents: 5087
diff changeset
395 local iq_timeout = tonumber(request.headers.prosody_rest_timeout) or module:get_option_number("rest_iq_timeout", 60*2);
5334
3c51eab0afe8 mod_rest: Get correct type from config
Kim Alvefur <zash@zash.se>
parents: 5332
diff changeset
396 iq_timeout = math.min(iq_timeout, module:get_option_number("rest_iq_max_timeout", 300));
5332
e0b5468aae49 mod_rest: Allow passing configuring a timeout for <iq> responses
Kim Alvefur <zash@zash.se>
parents: 5087
diff changeset
397
e0b5468aae49 mod_rest: Allow passing configuring a timeout for <iq> responses
Kim Alvefur <zash@zash.se>
parents: 5087
diff changeset
398 local p = module:send_iq(payload, origin, iq_timeout):next(
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
399 function (result)
5585
5b316088bef5 mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
400 log("debug", "Sending[rest]: %s", result.stanza:top_tag());
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
401 response.headers.content_type = send_type;
4944
e67cc71727ca mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents: 4943
diff changeset
402 if responses[1] then
e67cc71727ca mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents: 4943
diff changeset
403 local tail = responses[#responses];
e67cc71727ca mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents: 4943
diff changeset
404 if tail.name ~= "iq" or tail.attr.from ~= result.stanza.attr.from or tail.attr.id ~= result.stanza.attr.id then
e67cc71727ca mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents: 4943
diff changeset
405 origin.send(result.stanza);
e67cc71727ca mod_rest: Fix attempt to index nil in handling of single iq response
Kim Alvefur <zash@zash.se>
parents: 4943
diff changeset
406 end
4943
83a54f4af94c mod_rest: Ensure MAM result-iq is included in results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4942
diff changeset
407 end
4699
a8af632daf48 mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents: 4532
diff changeset
408 if responses[2] then
a8af632daf48 mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents: 4532
diff changeset
409 return encode(send_type, responses);
a8af632daf48 mod_rest: Support returning multiple replies in an <xmpp> container
Kim Alvefur <zash@zash.se>
parents: 4532
diff changeset
410 end
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
411 return encode(send_type, result.stanza);
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
412 end,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
413 function (error)
3909
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents: 3887
diff changeset
414 if not errors.is_err(error) then
5585
5b316088bef5 mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
415 log("error", "Uncaught native error: %s", error);
3909
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents: 3887
diff changeset
416 return select(2, errors.coerce(nil, error));
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly
Matthew Wild <mwild1@gmail.com>
parents: 3887
diff changeset
417 elseif error.context and error.context.stanza then
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
418 response.headers.content_type = send_type;
5585
5b316088bef5 mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
419 log("debug", "Sending[rest]: %s", error.context.stanza:top_tag());
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
420 return encode(send_type, error.context.stanza);
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
421 else
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
422 return error;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
423 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
424 end);
4942
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
425
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
426 if archive_handler then
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
427 p:finally(function ()
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
428 module:unhook(archive_event_name, archive_handler);
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
429 end)
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
430 end
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
431
e7b9bc629ecc mod_rest: Add special handling to catch MAM results from remote hosts
Kim Alvefur <zash@zash.se>
parents: 4923
diff changeset
432 return p;
3805
683b06c0348f mod_rest: Validate stanza kind earlier
Kim Alvefur <zash@zash.se>
parents: 3804
diff changeset
433 else
3796
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
434 function origin.send(stanza)
5585
5b316088bef5 mod_rest: Use logger of HTTP request in trunk
Kim Alvefur <zash@zash.se>
parents: 5557
diff changeset
435 log("debug", "Sending[rest]: %s", stanza:top_tag());
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
436 response.headers.content_type = send_type;
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
437 response:send(encode(send_type, stanza));
3796
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
438 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
439 end
4735
58a20d5ac6e9 mod_rest: Fire pre-events
Kim Alvefur <zash@zash.se>
parents: 4734
diff changeset
440 if compat_preevents(origin, payload) then return 202; end
4242
6a91d217acc9 mod_rest: Add whitespace to improve readability, code navigation
Kim Alvefur <zash@zash.se>
parents: 4066
diff changeset
441
3814
0dede5b0ab27 mod_rest: Fix return status when sending and forgetting
Kim Alvefur <zash@zash.se>
parents: 3813
diff changeset
442 module:send(payload, origin);
0dede5b0ab27 mod_rest: Fix return status when sending and forgetting
Kim Alvefur <zash@zash.se>
parents: 3813
diff changeset
443 return 202;
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
444 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
445 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
446
4888
dc7c9ae15f43 mod_rest: Ensure mod_http is loaded before API demo
Kim Alvefur <zash@zash.se>
parents: 4841
diff changeset
447 module:depends("http");
dc7c9ae15f43 mod_rest: Ensure mod_http is loaded before API demo
Kim Alvefur <zash@zash.se>
parents: 4841
diff changeset
448
4488
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
449 local demo_handlers = {};
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
450 if module:get_option_path("rest_demo_resources", nil) then
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
451 demo_handlers = module:require"apidemo";
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
452 end
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
453
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
454 -- Handle stanzas submitted via HTTP
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
455 module:provides("http", {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
456 route = {
4478
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
457 POST = handle_request;
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
458 ["POST /*"] = handle_request;
7ab0c423688a mod_rest: Support GET for certain IQ queries
Kim Alvefur <zash@zash.se>
parents: 4477
diff changeset
459 ["GET /*"] = handle_request;
4488
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
460
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
461 -- Only if api_demo_resources are set
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
462 ["GET /"] = demo_handlers.redirect;
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
463 ["GET /demo/"] = demo_handlers.main_page;
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
464 ["GET /demo/openapi.yaml"] = demo_handlers.schema;
eea62d30ae08 mod_rest: Add option for serving interactive openapi documentation
Kim Alvefur <zash@zash.se>
parents: 4481
diff changeset
465 ["GET /demo/*"] = demo_handlers.resources;
3794
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
466 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module
Kim Alvefur <zash@zash.se>
parents:
diff changeset
467 });
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
468
5087
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
469 function new_webhook(rest_url, send_type)
4921
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
470 local function get_url() return rest_url; end
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
471 if rest_url:find("%b{}") then
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
472 local httputil = require "util.http";
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
473 local render_url = require"util.interpolation".new("%b{}", httputil.urlencode);
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
474 function get_url(stanza)
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
475 local at = stanza.attr;
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
476 return render_url(rest_url, { kind = stanza.name, type = at.type, to = at.to, from = at.from });
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
477 end
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
478 end
3813
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
479 if send_type == "json" then
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
480 send_type = "application/json";
aa1ad69c7c10 mod_rest: Add JSON support
Kim Alvefur <zash@zash.se>
parents: 3812
diff changeset
481 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
482
3862
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
483 module:set_status("info", "Not yet connected");
4921
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
484 http.request(get_url(st.stanza("meta", { type = "info", to = module.host, from = module.host })), {
3861
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
485 method = "OPTIONS",
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
486 }, function (body, code, response)
3862
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
487 if code == 0 then
4922
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
488 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body);
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
489 elseif code == 200 then
3862
3b6b8dcff78e mod_rest: Log connectivity problems via module status API
Kim Alvefur <zash@zash.se>
parents: 3861
diff changeset
490 module:set_status("info", "Connected");
4922
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
491 if response.headers.accept then
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
492 send_type = decide_type(response.headers.accept, supported_outputs);
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
493 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type);
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
494 end
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
495 else
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
496 module:log_status("warn", "Unexpected response code %d from OPTIONS probe", code);
816b23e09c20 mod_rest: Improve logging of results from callback startup probe
Kim Alvefur <zash@zash.se>
parents: 4921
diff changeset
497 module:log("warn", "Endpoint said: %s", body);
3861
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
498 end
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
499 end);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback
Kim Alvefur <zash@zash.se>
parents: 3858
diff changeset
500
4245
7bf3bf81c9ef mod_rest: Use HTTP error mapping from net.http.errors
Kim Alvefur <zash@zash.se>
parents: 4244
diff changeset
501 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
502
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
503 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
504 local stanza, origin = event.stanza, event.origin;
5086
dec4b2e31d1c mod_rest: Do not allow replies to <iq type=result> from webhooks
Kim Alvefur <zash@zash.se>
parents: 5001
diff changeset
505 local reply_allowed = stanza.attr.type ~= "error" and stanza.attr.type ~= "result";
4250
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
506 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
507 local receipt;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
508
4250
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
509 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
510 reply_needed = true;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
511 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
512 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
513
3812
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas
Kim Alvefur <zash@zash.se>
parents: 3811
diff changeset
514 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
515
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
516 -- 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
517 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
518
3803
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
519 module:log("debug", "Sending[rest]: %s", stanza:top_tag());
4921
bdac7c717c91 mod_rest: Support parameters in callback URL
Kim Alvefur <zash@zash.se>
parents: 4919
diff changeset
520 http.request(get_url(stanza), {
3799
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request
Kim Alvefur <zash@zash.se>
parents: 3798
diff changeset
521 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
522 headers = {
3811
eb25110696cd mod_rest: Factor out response content type selection
Kim Alvefur <zash@zash.se>
parents: 3810
diff changeset
523 ["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
524 ["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
525 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
526 },
4247
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
527 }):next(function (response)
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
528 module:set_status("info", "Connected");
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
529 local reply;
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
530
4247
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
531 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
532 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
533 return;
8b489203e4d3 mod_rest: Ensure no attempt is made to reply to an error stanza
Kim Alvefur <zash@zash.se>
parents: 4249
diff changeset
534 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
535 if not reply_needed then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
536 -- Delivered, no reply
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
537 return;
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
538 end
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
539 else
3867
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
540 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
541 if not parsed then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
542 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
543 elseif parsed.name ~= stanza.name then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
544 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
545 else
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
546 parsed.attr = {
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
547 from = stanza.attr.to,
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
548 to = stanza.attr.from,
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
549 id = parsed.attr.id or id.medium();
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
550 type = parsed.attr.type,
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
551 ["xml:lang"] = parsed.attr["xml:lang"],
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
552 };
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
553 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
554 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
555 end
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
556 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
557 parsed.attr.type = "error";
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
558 end
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
559 if parsed.attr.type == "error" then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
560 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
561 elseif parsed.name == "iq" then
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
562 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
563 parsed.attr.type = "result";
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
564 end
839224be5299 mod_rest: Skip attempting parse empty response
Kim Alvefur <zash@zash.se>
parents: 3866
diff changeset
565 reply = parsed;
3821
11272a3233ce mod_rest: Fix replying to groupchat messages
Kim Alvefur <zash@zash.se>
parents: 3816
diff changeset
566 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
567 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
568
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
569 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
570 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
571 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
572 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
573 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
574 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
575 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
576 -- 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
577 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
578 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
579 elseif code_hundreds == 400 then
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
580 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
581 elseif code_hundreds == 500 then
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
582 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
583 else
3810
91ff86fc3b20 mod_rest: Factor out payload parsing
Kim Alvefur <zash@zash.se>
parents: 3807
diff changeset
584 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
585 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
586 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
587
3798
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
588 if receipt then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
589 reply:add_direct_child(receipt);
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
590 end
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas
Kim Alvefur <zash@zash.se>
parents: 3797
diff changeset
591
3803
dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc
Kim Alvefur <zash@zash.se>
parents: 3802
diff changeset
592 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
593
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
594 origin.send(reply);
4247
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
595 end,
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
596 function (err)
1f93fa24611d mod_rest: Use promise based HTTP client API
Kim Alvefur <zash@zash.se>
parents: 4245
diff changeset
597 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
598 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
599 end):catch(function (err)
64aa1d9d70ac mod_rest: Catch and log errors in callback promise chain
Kim Alvefur <zash@zash.se>
parents: 4247
diff changeset
600 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
601 end);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
602
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
603 return true;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
604 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
605
5087
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
606 return handle_stanza;
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
607 end
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
608
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
609 -- Forward stanzas from XMPP to HTTP and return any reply
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
610 local rest_url = module:get_option_string("rest_callback_url", nil);
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
611 if rest_url then
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
612 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml");
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
613
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
614 local handle_stanza = new_webhook(rest_url, send_type);
438fbebf74ac mod_rest: Wrap webhook setup in a function for future reuse
Kim Alvefur <zash@zash.se>
parents: 5086
diff changeset
615
4923
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
616 local send_kinds = module:get_option_set("rest_callback_stanzas", { "message", "presence", "iq" });
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
617
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
618 local event_presets = {
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
619 -- Don't override everything on normal VirtualHosts by default
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
620 ["local"] = { "host" },
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
621 -- Comonents get to handle all kinds of stanzas
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
622 ["component"] = { "bare", "full", "host" },
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
623 };
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
624 local hook_events = module:get_option_set("rest_callback_events", event_presets[module:get_host_type()]);
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
625 for kind in send_kinds do
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
626 for event in hook_events do
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
627 module:hook(kind.."/"..event, handle_stanza, -1);
c83b009b5bc5 mod_rest: Add configuration of which stanzas to route to callback
Kim Alvefur <zash@zash.se>
parents: 4922
diff changeset
628 end
3795
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
629 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas
Kim Alvefur <zash@zash.se>
parents: 3794
diff changeset
630 end
3842
501c7edc8c37 mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents: 3832
diff changeset
631
3929
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
632 local supported_errors = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
633 "text/html",
3931
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
634 "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
635 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
636 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors
Kim Alvefur <zash@zash.se>
parents: 3926
diff changeset
637
3873
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
638 local http_server = require "net.http.server";
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
639 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
640 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
641 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
642 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
643 if response then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
644 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
645 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
646 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
647 if event.error then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
648 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
649 if event.error.text then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
650 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
651 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
652 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
653 return tostring(stream_error);
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499)
Kim Alvefur <zash@zash.se>
parents: 3930
diff changeset
654 elseif response_as == "application/json" then
3873
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
655 if response then
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
656 response.headers.content_type = "application/json";
3842
501c7edc8c37 mod_rest: Encode errors as JSON
Kim Alvefur <zash@zash.se>
parents: 3832
diff changeset
657 end
3873
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
658 return json.encode({
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
659 type = "error",
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
660 error = event.error,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
661 code = event.code,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
662 });
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41
Kim Alvefur <zash@zash.se>
parents: 3872
diff changeset
663 end
3933
93147b89ea67 mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500)
Kim Alvefur <zash@zash.se>
parents: 3931
diff changeset
664 end, 1);