4 * StatusNet - the distributed open-source microblogging tool
5 * Copyright (C) 2008, 2009, StatusNet, Inc.
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
23 $shortoptions = 'fi::';
24 $longoptions = array('id::', 'foreground');
26 $helptext = <<<END_OF_XMPP_HELP
27 Daemon script for receiving new notices from Jabber users.
29 -i --id Identity (default none)
30 -f --foreground Stay in the foreground (default background)
34 require_once INSTALLDIR.'/scripts/commandline.inc';
36 require_once INSTALLDIR . '/lib/common.php';
37 require_once INSTALLDIR . '/lib/jabber.php';
38 require_once INSTALLDIR . '/lib/daemon.php';
40 # This is kind of clunky; we create a class to call the global functions
41 # in jabber.php, which create a new XMPP class. A more elegant (?) solution
42 # might be to use make this a subclass of XMPP.
44 class XMPPDaemon extends Daemon
46 function __construct($resource=null, $daemonize=true)
48 parent::__construct($daemonize);
50 static $attrs = array('server', 'port', 'user', 'password', 'host');
52 foreach ($attrs as $attr)
54 $this->$attr = common_config('xmpp', $attr);
58 $this->resource = $resource . 'daemon';
60 $this->resource = common_config('xmpp', 'resource') . 'daemon';
63 $this->jid = $this->user.'@'.$this->server.'/'.$this->resource;
65 $this->log(LOG_INFO, "INITIALIZE XMPPDaemon {$this->jid}");
70 $connect_to = ($this->host) ? $this->host : $this->server;
72 $this->log(LOG_INFO, "Connecting to $connect_to on port $this->port");
74 $this->conn = jabber_connect($this->resource);
80 $this->log(LOG_INFO, "Connected");
82 $this->conn->setReconnectTimeout(600);
84 $this->log(LOG_INFO, "Sending initial presence.");
86 jabber_send_presence("Send me a message to post a notice", 'available',
87 null, 'available', 100);
89 $this->log(LOG_INFO, "Done connecting.");
91 return !$this->conn->isDisconnected();
96 return strtolower('xmppdaemon.'.$this->resource);
101 if ($this->connect()) {
103 $this->log(LOG_DEBUG, "Initializing stanza handlers.");
105 $this->conn->addEventHandler('message', 'handle_message', $this);
106 $this->conn->addEventHandler('presence', 'handle_presence', $this);
107 $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
109 $this->log(LOG_DEBUG, "Beginning processing loop.");
111 while ($this->conn->processTime(60)) {
119 if (!isset($this->pingid)) {
125 $this->log(LOG_DEBUG, "Sending ping #{$this->pingid}");
127 $this->conn->send("<iq from='{$this->jid}' to='{$this->server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
130 function handle_reconnect(&$pl)
132 $this->log(LOG_DEBUG, "Got reconnection callback.");
133 $this->conn->processUntil('session_start');
134 $this->log(LOG_DEBUG, "Sending reconnection presence.");
135 $this->conn->presence('Send me a message to post a notice', 'available', null, 'available', 100);
143 function get_user($from)
145 $user = User::staticGet('jabber', jabber_normalize_jid($from));
149 function handle_message(&$pl)
151 $from = jabber_normalize_jid($pl['from']);
153 if ($pl['type'] != 'chat') {
154 $this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from.");
158 if (mb_strlen($pl['body']) == 0) {
159 $this->log(LOG_WARNING, "Ignoring message with empty body from $from.");
163 # Forwarded from another daemon (probably a broadcaster) for
166 if ($this->is_self($from)) {
167 $this->log(LOG_INFO, "Got forwarded notice from self ($from).");
168 $from = $this->get_ofrom($pl);
169 $this->log(LOG_INFO, "Originally sent by $from.");
170 if (is_null($from) || $this->is_self($from)) {
171 $this->log(LOG_INFO, "Ignoring notice originally sent by $from.");
176 $user = $this->get_user($from);
178 // For common_current_user to work
183 $this->from_site($from, 'Unknown user; go to ' .
184 common_local_url('imsettings') .
185 ' to add your address to your account');
186 $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
189 if ($this->handle_command($user, $pl['body'])) {
190 $this->log(LOG_INFO, "Command message by $from handled.");
192 } else if ($this->is_autoreply($pl['body'])) {
193 $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
195 } else if ($this->is_otr($pl['body'])) {
196 $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
200 $this->log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
202 $this->add_notice($user, $pl);
216 function is_self($from)
218 return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
221 function get_ofrom($pl)
224 $addresses = $xml->sub('addresses');
226 $this->log(LOG_WARNING, 'Forwarded message without addresses');
229 $address = $addresses->sub('address');
231 $this->log(LOG_WARNING, 'Forwarded message without address');
234 if (!array_key_exists('type', $address->attrs)) {
235 $this->log(LOG_WARNING, 'No type for forwarded message');
238 $type = $address->attrs['type'];
239 if ($type != 'ofrom') {
240 $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
243 if (!array_key_exists('jid', $address->attrs)) {
244 $this->log(LOG_WARNING, 'No jid for forwarded message');
247 $jid = $address->attrs['jid'];
249 $this->log(LOG_WARNING, 'Could not get jid from address');
252 $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
256 function is_autoreply($txt)
258 if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
260 } else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
267 function is_otr($txt)
269 if (preg_match('/^\?OTR/', $txt)) {
276 function from_site($address, $msg)
278 $text = '['.common_config('site', 'name') . '] ' . $msg;
279 jabber_send_message($address, $text);
282 function handle_command($user, $body)
284 $inter = new CommandInterpreter();
285 $cmd = $inter->handle_command($user, $body);
287 $chan = new XMPPChannel($this->conn);
288 $cmd->execute($chan);
295 function add_notice(&$user, &$pl)
297 $body = trim($pl['body']);
298 $content_shortened = common_shorten_links($body);
299 if (Notice::contentTooLong($content_shortened)) {
300 $from = jabber_normalize_jid($pl['from']);
301 $this->from_site($from, sprintf(_("Message too long - maximum is %d characters, you sent %d"),
302 Notice::maxContent(),
303 mb_strlen($content_shortened)));
308 $notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
309 } catch (Exception $e) {
310 $this->log(LOG_ERR, $e->getMessage());
311 $this->from_site($user->jabber, $e->getMessage());
315 common_broadcast_notice($notice);
317 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
322 function handle_presence(&$pl)
324 $from = jabber_normalize_jid($pl['from']);
325 switch ($pl['type']) {
327 # We let anyone subscribe
328 $this->subscribed($from);
330 'Accepted subscription from ' . $from);
336 'Ignoring "' . $pl['type'] . '" from ' . $from);
340 $user = User::staticGet('jabber', $from);
342 $this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
345 if ($user->updatefrompresence) {
346 $this->log(LOG_INFO, 'Updating ' . $user->nickname .
347 ' status from presence.');
348 $this->add_notice($user, $pl);
362 function log($level, $msg)
364 $text = 'XMPPDaemon('.$this->resource.'): '.$msg;
365 common_log($level, $text);
366 if (!$this->daemonize)
368 $line = common_log_line($level, $text);
374 function subscribed($to)
376 jabber_special_presence('subscribed', $to);
380 // Abort immediately if xmpp is not enabled, otherwise the daemon chews up
381 // lots of CPU trying to connect to unconfigured servers
382 if (common_config('xmpp','enabled')==false) {
383 print "Aborting daemon - xmpp is disabled\n";
387 if (have_option('i', 'id')) {
388 $id = get_option_value('i', 'id');
389 } else if (count($args) > 0) {
395 $foreground = have_option('f', 'foreground');
397 $daemon = new XMPPDaemon($id, !$foreground);