prosody-modules: mod_rest/mod

annotate mod_rest/mod_rest.lua @ 4036:04c11b652aeb

mod_rest: Respond to unknown payload types with HTTP status 415 More semantically correct.

author	Kim Alvefur <zash@zash.se>
date	Fri, 29 May 2020 12:30:15 +0200
parents	ae5ac41c391d
children	991090cb5d18

rev	line source
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	1 -- RESTful API
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	2 --
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	3 -- Copyright (c) 2019-2020 Kim Alvefur
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	4 --
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	5 -- This file is MIT/X11 licensed.
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	6
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	7 local encodings = require "util.encodings";
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	8 local base64 = encodings.base64;
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	9 local errors = require "util.error";
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	10 local http = require "net.http";
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	11 local id = require "util.id";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	12 local jid = require "util.jid";
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	13 local json = require "util.json";
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	14 local st = require "util.stanza";
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	15 local um = require "core.usermanager";
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	16 local xml = require "util.xml";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	17
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	18 local jsonmap = module:require"jsonmap";
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	19
3915 80dffbbd056b mod_rest, mod_http_oauth2: Switch from mod_authtokens to mod_tokenauth per Prosody bf81523e2ff4 Matthew Wild <mwild1@gmail.com> parents: 3911 diff changeset	20 local tokens = module:depends("tokenauth");
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	21
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	22 local auth_mechanisms = module:get_option_set("rest_auth_mechanisms", { "Basic", "Bearer" });
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	23
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	24 local www_authenticate_header;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	25 do
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	26 local header, realm = {}, module.host.."/"..module.name;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	27 for mech in auth_mechanisms do
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	28 header[#header+1] = ("%s realm=%q"):format(mech, realm);
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	29 end
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	30 www_authenticate_header = table.concat(header, ", ");
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	31 end
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	32
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	33 -- Bearer token
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	34 local function check_credentials(request)
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	35 local auth_type, auth_data = string.match(request.headers.authorization, "^(%S+)%s(.+)$");
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	36 if not (auth_type and auth_data) or not auth_mechanisms:contains(auth_type) then
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	37 return false;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	38 end
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	39
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	40 if auth_type == "Basic" then
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	41 local creds = base64.decode(auth_data);
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	42 if not creds then return false; end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	43 local username, password = string.match(creds, "^([^:]+):(.*)$");
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	44 if not username then return false; end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	45 username, password = encodings.stringprep.nodeprep(username), encodings.stringprep.saslprep(password);
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	46 if not username then return false; end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	47 if not um.test_password(username, module.host, password) then
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	48 return false;
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	49 end
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	50 return { username = username, host = module.host };
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	51 elseif auth_type == "Bearer" then
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	52 local token_info = tokens.get_token_info(auth_data);
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	53 if not token_info or not token_info.session then
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	54 return false;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	55 end
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	56 return token_info.session;
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	57 end
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	58 return nil;
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	59 end
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	60
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	61 local function parse(mimetype, data)
3825 802087d3155a mod_rest: Fix traceback on missing content-type header Kim Alvefur <zash@zash.se> parents: 3824 diff changeset	62 mimetype = mimetype and mimetype:match("^[^; ]*");
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	63 if mimetype == "application/xmpp+xml" then
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	64 return xml.parse(data);
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	65 elseif mimetype == "application/json" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	66 local parsed, err = json.decode(data);
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	67 if not parsed then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	68 return parsed, err;
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	69 end
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	70 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	71 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	72 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	73 if type(parsed) == "string" then
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping) Kim Alvefur <zash@zash.se> parents: 3910 diff changeset	74 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	75 end
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping) Kim Alvefur <zash@zash.se> parents: 3910 diff changeset	76 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	77 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	78 end
064c32a5be7c mod_rest: Support urlencoded form data (does a subset of JSON mapping) Kim Alvefur <zash@zash.se> parents: 3910 diff changeset	79 return jsonmap.json2st(parsed);
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	80 elseif mimetype == "text/plain" then
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	81 return st.message({ type = "chat" }, data);
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	82 end
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	83 return nil, "unknown-payload-type";
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	84 end
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	85
3929 bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	86 local function decide_type(accept, supported_types)
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	87 -- assumes the accept header is sorted
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	88 local ret = supported_types[1];
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	89 for i = 2, #supported_types do
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	90 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	91 ret = supported_types[i];
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	92 end
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	93 end
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	94 return ret;
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	95 end
eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	96
3929 bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	97 local supported_inputs = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	98 "application/xmpp+xml",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	99 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	100 "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	101 "text/plain",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	102 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	103
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	104 local supported_outputs = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	105 "application/xmpp+xml",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	106 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	107 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	108
3812 f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	109 local function encode(type, s)
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	110 if type == "application/json" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	111 return json.encode(jsonmap.st2json(s));
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	112 elseif type == "text/plain" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	113 return s:get_child_text("body") or "";
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	114 end
3812 f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	115 return tostring(s);
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	116 end
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	117
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	118 local post_errors = {
3971 ae5ac41c391d mod_rest: Improve auth error reporting Kim Alvefur <zash@zash.se> parents: 3933 diff changeset	119 noauthz = { code = 401, type = "auth", condition = "not-authorized", text = "No credentials provided" },
ae5ac41c391d mod_rest: Improve auth error reporting Kim Alvefur <zash@zash.se> parents: 3933 diff changeset	120 unauthz = { code = 403, type = "auth", condition = "not-authorized", text = "Credentials not accepted" },
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	121 parse = { code = 400, condition = "not-well-formed", text = "Failed to parse payload", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	122 xmlns = { code = 422, condition = "invalid-namespace", text = "'xmlns' attribute must be empty", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	123 name = { code = 422, condition = "unsupported-stanza-type", text = "Invalid stanza, must be 'message', 'presence' or 'iq'.", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	124 to = { code = 422, condition = "improper-addressing", text = "Invalid destination JID", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	125 from = { code = 422, condition = "invalid-from", text = "Invalid source JID", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	126 post_auth = { code = 403, condition = "not-authorized", text = "Not authorized to send stanza with requested 'from'", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	127 iq_type = { code = 422, condition = "invalid-xml", text = "'iq' stanza must be of type 'get' or 'set'", },
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	128 iq_tags = { code = 422, condition = "bad-format", text = "'iq' stanza must have exactly one child tag", },
4036 04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415 Kim Alvefur <zash@zash.se> parents: 3971 diff changeset	129 mediatype = { code = 415, condition = "bad-format", text = "Unsupported media type" },
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	130 };
d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	131
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	132 local function handle_post(event)
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	133 local request, response = event.request, event.response;
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	134 local from;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	135 local origin;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	136
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	137 if not request.headers.authorization then
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	138 response.headers.www_authenticate = www_authenticate_header;
3971 ae5ac41c391d mod_rest: Improve auth error reporting Kim Alvefur <zash@zash.se> parents: 3933 diff changeset	139 return errors.new("noauthz", nil, post_errors);
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	140 else
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	141 origin = check_credentials(request);
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	142 if not origin then
3971 ae5ac41c391d mod_rest: Improve auth error reporting Kim Alvefur <zash@zash.se> parents: 3933 diff changeset	143 return errors.new("unauthz", nil, post_errors);
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	144 end
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	145 from = jid.join(origin.username, origin.host, origin.resource);
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	146 end
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	147 local payload, err = parse(request.headers.content_type, request.body);
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	148 if not payload then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	149 -- parse fail
4036 04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415 Kim Alvefur <zash@zash.se> parents: 3971 diff changeset	150 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	151 if err == "unknown-payload-type" then
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415 Kim Alvefur <zash@zash.se> parents: 3971 diff changeset	152 return errors.new("mediatype", ctx, post_errors);
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415 Kim Alvefur <zash@zash.se> parents: 3971 diff changeset	153 end
04c11b652aeb mod_rest: Respond to unknown payload types with HTTP status 415 Kim Alvefur <zash@zash.se> parents: 3971 diff changeset	154 return errors.new("parse", ctx, post_errors);
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	155 end
3801 d59fb4dcf100 mod_rest: Verify that @xmlns is left empty Kim Alvefur <zash@zash.se> parents: 3799 diff changeset	156 if payload.attr.xmlns then
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	157 return errors.new("xmlns", nil, post_errors);
3805 683b06c0348f mod_rest: Validate stanza kind earlier Kim Alvefur <zash@zash.se> parents: 3804 diff changeset	158 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	159 return errors.new("name", nil, post_errors);
3801 d59fb4dcf100 mod_rest: Verify that @xmlns is left empty Kim Alvefur <zash@zash.se> parents: 3799 diff changeset	160 end
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	161 local to = jid.prep(payload.attr.to);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	162 if not to then
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	163 return errors.new("to", nil, post_errors);
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	164 end
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	165 if payload.attr.from then
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	166 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	167 if not requested_from then
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	168 return errors.new("from", nil, post_errors);
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	169 end
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	170 if jid.compare(requested_from, from) then
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	171 from = requested_from;
49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	172 else
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	173 return errors.new("from_auth", nil, post_errors);
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	174 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	175 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	176 payload.attr = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	177 from = from,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	178 to = to,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	179 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	180 type = payload.attr.type,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	181 ["xml:lang"] = payload.attr["xml:lang"],
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	182 };
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	183 module:log("debug", "Received[rest]: %s", payload:top_tag());
3929 bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	184 local send_type = decide_type((request.headers.accept or "") ..",".. request.headers.content_type, supported_outputs)
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	185 if payload.name == "iq" then
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	186 function origin.send(stanza)
3926 f77ae9685eb6 mod_rest: Fix routing to self-jid (thanks jonas’) Kim Alvefur <zash@zash.se> parents: 3925 diff changeset	187 module:send(stanza);
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	188 end
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	189 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	190 return errors.new("iq_type", nil, post_errors);
3832 0d4146cf9fbc mod_rest: Enforce single child policy for outgoing it stanzas Kim Alvefur <zash@zash.se> parents: 3825 diff changeset	191 elseif #payload.tags ~= 1 then
3930 d5dafd617cd6 mod_rest: Break out POST errors into a registry Kim Alvefur <zash@zash.se> parents: 3929 diff changeset	192 return errors.new("iq_tags", nil, post_errors);
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	193 end
3910 49efd1323a1b mod_rest: Add support for token authentication Matthew Wild <mwild1@gmail.com> parents: 3909 diff changeset	194 return module:send_iq(payload, origin):next(
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	195 function (result)
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	196 module: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	197 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	198 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	199 end,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	200 function (error)
3909 eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly Matthew Wild <mwild1@gmail.com> parents: 3887 diff changeset	201 if not errors.is_err(error) then
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly Matthew Wild <mwild1@gmail.com> parents: 3887 diff changeset	202 module:log("error", "Uncaught native error: %s", error);
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly Matthew Wild <mwild1@gmail.com> parents: 3887 diff changeset	203 return select(2, errors.coerce(nil, error));
eb27e51cf2c9 mod_rest: Handle uncaught native errors correctly Matthew Wild <mwild1@gmail.com> parents: 3887 diff changeset	204 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	205 response.headers.content_type = send_type;
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	206 module: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	207 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	208 else
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	209 return error;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	210 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	211 end);
3805 683b06c0348f mod_rest: Validate stanza kind earlier Kim Alvefur <zash@zash.se> parents: 3804 diff changeset	212 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	213 function origin.send(stanza)
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	214 module: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	215 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	216 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	217 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	218 end
3814 0dede5b0ab27 mod_rest: Fix return status when sending and forgetting Kim Alvefur <zash@zash.se> parents: 3813 diff changeset	219 module:send(payload, origin);
0dede5b0ab27 mod_rest: Fix return status when sending and forgetting Kim Alvefur <zash@zash.se> parents: 3813 diff changeset	220 return 202;
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	221 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	222 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	223
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	224 -- Handle stanzas submitted via HTTP
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	225 module:depends("http");
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	226 module:provides("http", {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	227 route = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	228 POST = handle_post;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	229 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	230 });
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	231
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	232 -- Forward stanzas from XMPP to HTTP and return any reply
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	233 local rest_url = module:get_option_string("rest_callback_url", nil);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	234 if rest_url then
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	235 local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml");
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	236 if send_type == "json" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	237 send_type = "application/json";
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	238 end
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	239
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	240 module:set_status("info", "Not yet connected");
3861 ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	241 http.request(rest_url, {
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	242 method = "OPTIONS",
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	243 }, function (body, code, response)
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	244 if code == 0 then
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	245 return module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body);
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	246 else
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	247 module:set_status("info", "Connected");
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	248 end
3861 ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	249 if code == 200 and response.headers.accept then
3929 bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	250 send_type = decide_type(response.headers.accept, supported_outputs);
3861 ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	251 module:log("debug", "Set 'rest_callback_content_type' = %q based on Accept header", send_type);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	252 end
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	253 end);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	254
3797 ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	255 local code2err = {
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	256 [400] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	257 [401] = { condition = "not-authorized"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	258 [402] = { condition = "not-authorized"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	259 [403] = { condition = "forbidden"; type = "auth" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	260 [404] = { condition = "item-not-found"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	261 [406] = { condition = "not-acceptable"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	262 [408] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	263 [409] = { condition = "conflict"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	264 [410] = { condition = "gone"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	265 [411] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	266 [412] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	267 [413] = { condition = "resource-constraint"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	268 [414] = { condition = "resource-constraint"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	269 [415] = { condition = "bad-request"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	270 [429] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	271 [431] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	272
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	273 [500] = { condition = "internal-server-error"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	274 [501] = { condition = "feature-not-implemented"; type = "modify" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	275 [502] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	276 [503] = { condition = "service-unavailable"; type = "cancel" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	277 [504] = { condition = "remote-server-timeout"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	278 [507] = { condition = "resource-constraint"; type = "wait" };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	279 };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	280
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	281 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	282 local stanza, origin = event.stanza, event.origin;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	283 local reply_needed = stanza.name == "iq";
3798 9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	284 local receipt;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	285
3824 a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	286 if stanza.attr.type == "error" then
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	287 reply_needed = false;
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	288 end
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	289
3798 9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	290 if stanza.name == "message" and stanza.attr.id and stanza:get_child("urn:xmpp:receipts", "request") then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	291 reply_needed = true;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	292 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	293 end
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	294
3812 f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	295 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	296
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request Kim Alvefur <zash@zash.se> parents: 3798 diff changeset	297 -- 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	298 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	299
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	300 module:log("debug", "Sending[rest]: %s", stanza:top_tag());
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	301 http.request(rest_url, {
3799 a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request Kim Alvefur <zash@zash.se> parents: 3798 diff changeset	302 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	303 headers = {
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	304 ["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	305 ["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	306 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	307 },
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	308 }, function (body, code, response)
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	309 if code == 0 then
3864 d845475c75f3 mod_rest: Process results even on internal errors with HTTP request Kim Alvefur <zash@zash.se> parents: 3862 diff changeset	310 module:log_status("error", "Could not connect to callback URL %q: %s", rest_url, body);
3866 c0df50ce96f0 mod_rest: Handle internal http request errors early and then return Kim Alvefur <zash@zash.se> parents: 3865 diff changeset	311 origin.send(st.error_reply(stanza, "wait", "recipient-unavailable", body));
c0df50ce96f0 mod_rest: Handle internal http request errors early and then return Kim Alvefur <zash@zash.se> parents: 3865 diff changeset	312 return;
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	313 else
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	314 module:set_status("info", "Connected");
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	315 end
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	316 local reply;
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	317
3867 839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	318 if code == 202 or code == 204 then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	319 if not reply_needed then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	320 -- Delivered, no reply
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	321 return;
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	322 end
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	323 else
3867 839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	324 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	325 if not parsed then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	326 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	327 elseif parsed.name ~= stanza.name then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	328 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	329 else
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	330 parsed.attr = {
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	331 from = stanza.attr.to,
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	332 to = stanza.attr.from,
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	333 id = parsed.attr.id or id.medium();
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	334 type = parsed.attr.type,
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	335 ["xml:lang"] = parsed.attr["xml:lang"],
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	336 };
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	337 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	338 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	339 end
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	340 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	341 parsed.attr.type = "error";
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	342 end
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	343 if parsed.attr.type == "error" then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	344 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	345 elseif parsed.name == "iq" then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	346 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	347 parsed.attr.type = "result";
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	348 end
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	349 reply = parsed;
3821 11272a3233ce mod_rest: Fix replying to groupchat messages Kim Alvefur <zash@zash.se> parents: 3816 diff changeset	350 end
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	351 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	352
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	353 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	354 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	355 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	356 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	357 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	358 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	359 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	360 -- 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	361 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	362 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	363 elseif code_hundreds == 400 then
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	364 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	365 elseif code_hundreds == 500 then
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	366 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	367 else
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	368 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	369 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	370 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	371
3798 9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	372 if receipt then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	373 reply:add_direct_child(receipt);
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	374 end
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	375
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	376 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	377
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	378 origin.send(reply);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	379 end);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	380
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	381 return true;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	382 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	383
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	384 if module:get_host_type() == "component" then
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	385 module:hook("iq/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	386 module:hook("message/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	387 module:hook("presence/bare", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	388 module:hook("iq/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	389 module:hook("message/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	390 module:hook("presence/full", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	391 module:hook("iq/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	392 module:hook("message/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	393 module:hook("presence/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	394 else
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	395 -- Don't override everything on normal VirtualHosts
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	396 module:hook("iq/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	397 module:hook("message/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	398 module:hook("presence/host", handle_stanza, -1);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	399 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	400 end
3842 501c7edc8c37 mod_rest: Encode errors as JSON Kim Alvefur <zash@zash.se> parents: 3832 diff changeset	401
3929 bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	402 local supported_errors = {
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	403 "text/html",
3931 2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	404 "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	405 "application/json",
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	406 };
bd687d586a8a mod_rest: Separate lists of mediatypes for input, output and errors Kim Alvefur <zash@zash.se> parents: 3926 diff changeset	407
3873 fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	408 local http_server = require "net.http.server";
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	409 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	410 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	411 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	412 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	413 if response then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	414 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	415 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	416 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	417 if event.error then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	418 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	419 if event.error.text then
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	420 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	421 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	422 end
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	423 return tostring(stream_error);
2e8b284ac8b3 mod_rest: Add an XML error formatter (fixes #1499) Kim Alvefur <zash@zash.se> parents: 3930 diff changeset	424 elseif response_as == "application/json" then
3873 fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	425 if response then
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	426 response.headers.content_type = "application/json";
3842 501c7edc8c37 mod_rest: Encode errors as JSON Kim Alvefur <zash@zash.se> parents: 3832 diff changeset	427 end
3873 fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	428 return json.encode({
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	429 type = "error",
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	430 error = event.error,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	431 code = event.code,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	432 });
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	433 end
3933 93147b89ea67 mod_rest: Avoid interfering with mod_http_oauth2 errors (fixes #1500) Kim Alvefur <zash@zash.se> parents: 3931 diff changeset	434 end, 1);

Mercurial > prosody-modules

annotate mod_rest/mod_rest.lua @ 4036:04c11b652aeb