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mod_rest/mod_rest.lua @ 3876:75b330d4fa6f

mod_rest: Add support for HTTP Basic username and password authentication

author	Kim Alvefur <zash@zash.se>
date	Sat, 01 Feb 2020 13:03:18 +0100
parent	3874:505ae524b635
child	3879:3b31ff7b4c7c

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
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	7 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	8 local http = require "net.http";
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	9 local id = require "util.id";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	10 local jid = require "util.jid";
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	11 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	12 local st = require "util.stanza";
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	13 local xml = require "util.xml";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	14
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	15 local allow_any_source = module:get_host_type() == "component";
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	16 local validate_from_addresses = module:get_option_boolean("validate_from_addresses", true);
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	17 local secret = assert(module:get_option_string("rest_credentials"), "rest_credentials is a required setting");
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	18 local auth_type = assert(secret:match("^%S+"), "Format of rest_credentials MUST be like 'Bearer secret'");
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	19 assert(auth_type == "Bearer" or auth_type == "Basic", "Only 'Bearer' and 'Basic' are supported in rest_credentials");
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	20
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	21 local jsonmap = module:require"jsonmap";
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	22 -- Bearer token
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	23 local function check_credentials(request)
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	24 return request.headers.authorization == secret;
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	25 end
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	26 if secret == "Basic" and module:get_host_type() == "local" then
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	27 local um = require "core.usermanager";
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	28 local encodings = require "util.encodings";
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	29 local base64 = encodings.base64;
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	30
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	31 function check_credentials(request)
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	32 local creds = string.match(request.headers.authorization, "^Basic%s+([A-Za-z0-9+/]+=?=?)%s*$");
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	33 if not creds then return false; end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	34 creds = base64.decode(creds);
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	35 if not creds then return false; end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	36 local username, password = string.match(creds, "^([^:]+):(.*)$");
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	37 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	38 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	39 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	40 module:log("debug", "usermanager.test_password(%q, %q, %q)", username, module.host, string.rep("*", #password))
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	41 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	42 return false;
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	43 end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	44 return jid.join(username, module.host);
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	45 end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	46 end
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	47
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	48 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	49 mimetype = mimetype and mimetype:match("^[^; ]*");
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	50 if mimetype == "application/xmpp+xml" then
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	51 return xml.parse(data);
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	52 elseif mimetype == "application/json" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	53 local parsed, err = json.decode(data);
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	54 if not parsed then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	55 return parsed, err;
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	56 end
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	57 return jsonmap.json2st(parsed);
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	58 elseif mimetype == "text/plain" then
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	59 return st.message({ type = "chat" }, data);
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	60 end
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	61 return nil, "unknown-payload-type";
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	62 end
91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	63
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	64 local supported_types = { "application/xmpp+xml", "application/json" };
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	65
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	66 local function decide_type(accept)
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	67 -- assumes the accept header is sorted
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	68 local ret = supported_types[1];
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	69 for i = 2, #supported_types do
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	70 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	71 ret = supported_types[i];
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	72 end
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	73 end
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	74 return ret;
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	75 end
eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	76
3812 f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	77 local function encode(type, s)
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	78 if type == "application/json" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	79 return json.encode(jsonmap.st2json(s));
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	80 elseif type == "text/plain" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	81 return s:get_child_text("body") or "";
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	82 end
3812 f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	83 return tostring(s);
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	84 end
f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	85
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	86 local function handle_post(event)
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	87 local request, response = event.request, event.response;
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	88 local from = module.host;
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	89 if not request.headers.authorization then
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	90 response.headers.www_authenticate = ("%s realm=%q"):format(auth_type, module.host.."/"..module.name);
f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	91 return 401;
3876 75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	92 else
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	93 local authz = check_credentials(request);
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	94 if not authz then
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	95 return 401;
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	96 end
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	97 if type(authz) == "string" then
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	98 from = authz;
75b330d4fa6f mod_rest: Add support for HTTP Basic username and password authentication Kim Alvefur <zash@zash.se> parents: 3874 diff changeset	99 end
3802 f88e07630e4e mod_rest: Add support for simple Bearer token auth Kim Alvefur <zash@zash.se> parents: 3801 diff changeset	100 end
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	101 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	102 if not payload then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	103 -- parse fail
3843 c065b7670c89 mod_rest: Return a friendly message for parse errors Kim Alvefur <zash@zash.se> parents: 3842 diff changeset	104 return errors.new({ code = 400, text = "Failed to parse payload" }, { error = err, type = request.headers.content_type, data = request.body });
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	105 end
3801 d59fb4dcf100 mod_rest: Verify that @xmlns is left empty Kim Alvefur <zash@zash.se> parents: 3799 diff changeset	106 if payload.attr.xmlns then
3804 d74509cd35fb mod_rest: Use HTTP status 422 for stanza problems Kim Alvefur <zash@zash.se> parents: 3803 diff changeset	107 return errors.new({ code = 422, text = "'xmlns' attribute must be empty" });
3805 683b06c0348f mod_rest: Validate stanza kind earlier Kim Alvefur <zash@zash.se> parents: 3804 diff changeset	108 elseif payload.name ~= "message" and payload.name ~= "presence" and payload.name ~= "iq" then
683b06c0348f mod_rest: Validate stanza kind earlier Kim Alvefur <zash@zash.se> parents: 3804 diff changeset	109 return errors.new({ code = 422, text = "Invalid stanza, must be 'message', 'presence' or 'iq'." });
3801 d59fb4dcf100 mod_rest: Verify that @xmlns is left empty Kim Alvefur <zash@zash.se> parents: 3799 diff changeset	110 end
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	111 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	112 if not to then
3804 d74509cd35fb mod_rest: Use HTTP status 422 for stanza problems Kim Alvefur <zash@zash.se> parents: 3803 diff changeset	113 return errors.new({ code = 422, text = "Invalid destination JID" });
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	114 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	115 if allow_any_source and payload.attr.from then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	116 from = jid.prep(payload.attr.from);
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	117 if not from then
3804 d74509cd35fb mod_rest: Use HTTP status 422 for stanza problems Kim Alvefur <zash@zash.se> parents: 3803 diff changeset	118 return errors.new({ code = 422, text = "Invalid source JID" });
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	119 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	120 if validate_from_addresses and not jid.compare(from, module.host) then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	121 return errors.new({ code = 403, text = "Source JID must belong to current host" });
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	122 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	123 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	124 payload.attr = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	125 from = from,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	126 to = to,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	127 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	128 type = payload.attr.type,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	129 ["xml:lang"] = payload.attr["xml:lang"],
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	130 };
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	131 module:log("debug", "Received[rest]: %s", payload:top_tag());
3816 8473fd2d09c1 mod_rest: Default to replying with same type as request Kim Alvefur <zash@zash.se> parents: 3815 diff changeset	132 local send_type = decide_type((request.headers.accept or "") ..",".. request.headers.content_type)
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	133 if payload.name == "iq" then
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	134 if payload.attr.type ~= "get" and payload.attr.type ~= "set" then
3804 d74509cd35fb mod_rest: Use HTTP status 422 for stanza problems Kim Alvefur <zash@zash.se> parents: 3803 diff changeset	135 return errors.new({ code = 422, text = "'iq' stanza must be of type 'get' or 'set'" });
3832 0d4146cf9fbc mod_rest: Enforce single child policy for outgoing it stanzas Kim Alvefur <zash@zash.se> parents: 3825 diff changeset	136 elseif #payload.tags ~= 1 then
0d4146cf9fbc mod_rest: Enforce single child policy for outgoing it stanzas Kim Alvefur <zash@zash.se> parents: 3825 diff changeset	137 return errors.new({ code = 422, text = "'iq' stanza must have exactly one child tag" });
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	138 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	139 return module:send_iq(payload):next(
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	140 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	141 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	142 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	143 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	144 end,
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	145 function (error)
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	146 if error.context.stanza then
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	147 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	148 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	149 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	150 else
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	151 return error;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	152 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	153 end);
3805 683b06c0348f mod_rest: Validate stanza kind earlier Kim Alvefur <zash@zash.se> parents: 3804 diff changeset	154 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	155 local origin = {};
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	156 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	157 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	158 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	159 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	160 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	161 end
3814 0dede5b0ab27 mod_rest: Fix return status when sending and forgetting Kim Alvefur <zash@zash.se> parents: 3813 diff changeset	162 module:send(payload, origin);
0dede5b0ab27 mod_rest: Fix return status when sending and forgetting Kim Alvefur <zash@zash.se> parents: 3813 diff changeset	163 return 202;
3794 4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	164 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	165 end
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	166
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	167 -- Handle stanzas submitted via HTTP
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	168 module:depends("http");
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	169 module:provides("http", {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	170 route = {
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	171 POST = handle_post;
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	172 };
4b258329e6e4 mod_rest: Initial commit of another RESTful API module Kim Alvefur <zash@zash.se> parents: diff changeset	173 });
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	174
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	175 -- 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	176 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	177 if rest_url then
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	178 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	179 if send_type == "json" then
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	180 send_type = "application/json";
aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	181 end
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	182
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	183 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	184 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	185 method = "OPTIONS",
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	186 }, function (body, code, response)
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	187 if code == 0 then
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	188 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	189 else
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	190 module:set_status("info", "Connected");
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	191 end
3861 ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	192 if code == 200 and response.headers.accept then
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	193 send_type = decide_type(response.headers.accept);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	194 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	195 end
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	196 end);
ede3d1724dd1 mod_rest: Attempt to auto-discover data type wanted by callback Kim Alvefur <zash@zash.se> parents: 3858 diff changeset	197
3797 ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	198 local code2err = {
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	199 [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	200 [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	201 [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	202 [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	203 [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	204 [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	205 [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	206 [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	207 [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	208 [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	209 [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	210 [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	211 [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	212 [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	213 [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	214 [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	215
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	216 [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	217 [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	218 [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	219 [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	220 [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	221 [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	222 };
ed5d7586a61e mod_rest: Map various HTTP status codes to XMPP stanza errors Kim Alvefur <zash@zash.se> parents: 3796 diff changeset	223
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	224 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	225 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	226 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	227 local receipt;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	228
3824 a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	229 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	230 reply_needed = false;
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	231 end
a0b8ec44a36b mod_rest: Stanzas of type error don't need a reply Kim Alvefur <zash@zash.se> parents: 3821 diff changeset	232
3798 9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	233 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	234 reply_needed = true;
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	235 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	236 end
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	237
3812 f027b8b1e794 mod_rest: Factor out serialization of outgoing stanzas Kim Alvefur <zash@zash.se> parents: 3811 diff changeset	238 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	239
a1f1f703d604 mod_rest: Allow collection of original stanza after sending HTTP request Kim Alvefur <zash@zash.se> parents: 3798 diff changeset	240 -- 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	241 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	242
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	243 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	244 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	245 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	246 headers = {
3811 eb25110696cd mod_rest: Factor out response content type selection Kim Alvefur <zash@zash.se> parents: 3810 diff changeset	247 ["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	248 ["Content-Language"] = stanza.attr["xml:lang"],
3813 aa1ad69c7c10 mod_rest: Add JSON support Kim Alvefur <zash@zash.se> parents: 3812 diff changeset	249 Accept = table.concat(supported_types, ", ");
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	250 },
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	251 }, function (body, code, response)
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	252 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	253 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	254 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	255 return;
3862 3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	256 else
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	257 module:set_status("info", "Connected");
3b6b8dcff78e mod_rest: Log connectivity problems via module status API Kim Alvefur <zash@zash.se> parents: 3861 diff changeset	258 end
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	259 local reply;
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	260
3867 839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	261 if code == 202 or code == 204 then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	262 if not reply_needed then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	263 -- Delivered, no reply
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	264 return;
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	265 end
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	266 else
3867 839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	267 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	268 if not parsed then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	269 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	270 elseif parsed.name ~= stanza.name then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	271 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	272 else
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	273 parsed.attr = {
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	274 from = stanza.attr.to,
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	275 to = stanza.attr.from,
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	276 id = parsed.attr.id or id.medium();
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	277 type = parsed.attr.type,
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	278 ["xml:lang"] = parsed.attr["xml:lang"],
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	279 };
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	280 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	281 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	282 end
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	283 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	284 parsed.attr.type = "error";
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	285 end
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	286 if parsed.attr.type == "error" then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	287 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	288 elseif parsed.name == "iq" then
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	289 parsed.attr.id = stanza.attr.id;
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	290 parsed.attr.type = "result";
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	291 end
839224be5299 mod_rest: Skip attempting parse empty response Kim Alvefur <zash@zash.se> parents: 3866 diff changeset	292 reply = parsed;
3821 11272a3233ce mod_rest: Fix replying to groupchat messages Kim Alvefur <zash@zash.se> parents: 3816 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 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	295
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	296 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	297 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	298 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	299 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	300 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	301 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	302 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	303 -- 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	304 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	305 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	306 elseif code_hundreds == 400 then
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	307 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	308 elseif code_hundreds == 500 then
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	309 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	310 else
3810 91ff86fc3b20 mod_rest: Factor out payload parsing Kim Alvefur <zash@zash.se> parents: 3807 diff changeset	311 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	312 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	313 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	314
3798 9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	315 if receipt then
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	316 reply:add_direct_child(receipt);
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	317 end
9b4fd2553365 mod_rest: Handle receipt requests on message stanzas Kim Alvefur <zash@zash.se> parents: 3797 diff changeset	318
3803 dc2b5a412286 mod_rest: Log sent and received stanzas in style of mod_c2s etc Kim Alvefur <zash@zash.se> parents: 3802 diff changeset	319 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	320
3795 f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	321 origin.send(reply);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	322 end);
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	323
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	324 return true;
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	325 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	326
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	327 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	328 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	329 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	330 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	331 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	332 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	333 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	334 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	335 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	336 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	337 else
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	338 -- 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	339 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	340 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	341 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	342 end
f51308fcba83 mod_rest: Allow specifying a webhook/callback to handle incoming stanzas Kim Alvefur <zash@zash.se> parents: 3794 diff changeset	343 end
3842 501c7edc8c37 mod_rest: Encode errors as JSON Kim Alvefur <zash@zash.se> parents: 3832 diff changeset	344
3873 fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	345 local http_server = require "net.http.server";
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	346 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	347 local request, response = event.request, event.response;
3874 505ae524b635 mod_rest: Remove debug hack to ignore Accept header Kim Alvefur <zash@zash.se> parents: 3873 diff changeset	348 if decide_type(request and request.headers.accept or "") == "application/json" then
3873 fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	349 if response then
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	350 response.headers.content_type = "application/json";
3842 501c7edc8c37 mod_rest: Encode errors as JSON Kim Alvefur <zash@zash.se> parents: 3832 diff changeset	351 end
3873 fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	352 return json.encode({
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	353 type = "error",
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	354 error = event.error,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	355 code = event.code,
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	356 });
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	357 end
fea0c1bed1a0 mod_rest: Back out 513a8a7fab41 Kim Alvefur <zash@zash.se> parents: 3872 diff changeset	358 end, 10);

prosody-modules

75b330d4fa6f

mod_rest/mod_rest.lua

Software / code / prosody-modules

Annotate

mod_rest/mod_rest.lua @ 3876:75b330d4fa6f

Software `/` code `/` prosody-modules