4 * Laconica - a distributed open-source microblogging tool
5 * Copyright (C) 2008, Controlez-Vous, 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 # Abort if called from a web server
22 if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
23 print "This script must be run from the command line\n";
27 define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
28 define('LACONICA', true);
30 require_once(INSTALLDIR . '/lib/common.php');
31 require_once(INSTALLDIR . '/lib/jabber.php');
32 require_once(INSTALLDIR . '/lib/daemon.php');
34 set_error_handler('common_error_handler');
36 # This is kind of clunky; we create a class to call the global functions
37 # in jabber.php, which create a new XMPP class. A more elegant (?) solution
38 # might be to use make this a subclass of XMPP.
40 class XMPPDaemon extends Daemon {
42 function XMPPDaemon($resource=NULL) {
43 static $attrs = array('server', 'port', 'user', 'password', 'host');
45 foreach ($attrs as $attr)
47 $this->$attr = common_config('xmpp', $attr);
51 $this->resource = $resource;
53 $this->resource = common_config('xmpp', 'resource') . 'daemon';
56 $this->log(LOG_INFO, "INITIALIZE XMPPDaemon {$this->user}@{$this->server}/{$this->resource}");
61 $connect_to = ($this->host) ? $this->host : $this->server;
63 $this->log(LOG_INFO, "Connecting to $connect_to on port $this->port");
65 $this->conn = jabber_connect($this->resource);
71 $this->conn->setReconnectTimeout(600);
73 jabber_send_presence("Send me a message to post a notice", 'available',
74 NULL, 'available', 100);
75 return !$this->conn->isDisconnected();
79 return strtolower('xmppdaemon.'.$this->resource);
83 if ($this->connect()) {
85 $this->conn->addEventHandler('message', 'handle_message', $this);
86 $this->conn->addEventHandler('presence', 'handle_presence', $this);
87 $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
89 $this->conn->process();
93 function handle_reconnect(&$pl) {
94 $this->conn->processUntil('session_start');
95 $this->conn->presence('Send me a message to post a notice', 'available', NULL, 'available', 100);
98 function get_user($from) {
99 $user = User::staticGet('jabber', jabber_normalize_jid($from));
103 function handle_message(&$pl) {
104 if ($pl['type'] != 'chat') {
107 if (mb_strlen($pl['body']) == 0) {
111 $from = jabber_normalize_jid($pl['from']);
113 # Forwarded from another daemon (probably a broadcaster) for
116 if ($this->is_self($from)) {
117 $from = $this->get_ofrom($pl);
118 if (is_null($from) || $this->is_self($from)) {
123 $user = $this->get_user($from);
126 $this->from_site($from, 'Unknown user; go to ' .
127 common_local_url('imsettings') .
128 ' to add your address to your account');
129 $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
132 if ($this->handle_command($user, $pl['body'])) {
134 } else if ($this->is_autoreply($pl['body'])) {
135 $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
137 } else if ($this->is_otr($pl['body'])) {
138 $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
141 $len = mb_strlen($pl['body']);
143 $this->from_site($from, 'Message too long - maximum is 140 characters, you sent ' . $len);
146 $this->add_notice($user, $pl);
153 function is_self($from) {
154 return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
157 function get_ofrom($pl) {
159 $addresses = $xml->sub('addresses');
161 $this->log(LOG_WARNING, 'Forwarded message without addresses');
164 $address = $addresses->sub('address');
166 $this->log(LOG_WARNING, 'Forwarded message without address');
169 if (!array_key_exists('type', $address->attrs)) {
170 $this->log(LOG_WARNING, 'No type for forwarded message');
173 $type = $address->attrs['type'];
174 if ($type != 'ofrom') {
175 $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
178 if (!array_key_exists('jid', $address->attrs)) {
179 $this->log(LOG_WARNING, 'No jid for forwarded message');
182 $jid = $address->attrs['jid'];
184 $this->log(LOG_WARNING, 'Could not get jid from address');
187 $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
191 function is_autoreply($txt) {
192 if (preg_match('/[\[\(]?[Aa]uto-?[Rr]eply[\]\)]/', $txt)) {
199 function is_otr($txt) {
200 if (preg_match('/^\?OTR/', $txt)) {
207 function from_site($address, $msg) {
208 $text = '['.common_config('site', 'name') . '] ' . $msg;
209 jabber_send_message($address, $text);
212 function handle_command($user, $body) {
214 $p=explode(' ',$body);
221 $this->from_site($user->jabber, "Commands:\n on - turn on notifications\n off - turn off notifications\n help - show this help \n sub - subscribe to user\n unsubscribe - unsub from user");
226 $this->set_notify($user, true);
227 $this->from_site($user->jabber, 'notifications on');
232 $this->set_notify($user, false);
233 $this->from_site($user->jabber, 'notifications off');
237 $this->from_site($user->jabber, 'Specify the name of the user to subscribe to');
240 $result=subs_subscribe_user($user, $p[1]);
242 $this->from_site($user->jabber, 'Subscribed to ' . $p[1]);
244 $this->from_site($user->jabber, $result);
248 $this->from_site($user->jabber, 'Specify the name of the user to unsubscribe from');
251 $result=subs_unsubscribe_user($user, $p[1]);
253 $this->from_site($user->jabber, 'Unsubscribed from ' . $p[1]);
255 $this->from_site($user->jabber, $result);
262 function set_notify(&$user, $notify) {
263 $orig = clone($user);
264 $user->jabbernotify = $notify;
265 $result = $user->update($orig);
267 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
269 'Could not set notify flag to ' . $notify .
270 ' for user ' . common_log_objstring($user) .
271 ': ' . $last_error->message);
274 'User ' . $user->nickname . ' set notify flag to ' . $notify);
278 function add_notice(&$user, &$pl) {
279 $notice = Notice::saveNew($user->id, trim(mb_substr($pl['body'], 0, 140)), 'xmpp');
280 if (is_string($notice)) {
281 $this->log(LOG_ERR, $notice);
284 common_broadcast_notice($notice);
286 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
291 function handle_presence(&$pl) {
292 $from = jabber_normalize_jid($pl['from']);
293 switch ($pl['type']) {
295 # We let anyone subscribe
296 $this->subscribed($from);
298 'Accepted subscription from ' . $from);
304 'Ignoring "' . $pl['type'] . '" from ' . $from);
308 $user = User::staticGet('jabber', $from);
310 $this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
313 if ($user->updatefrompresence) {
314 $this->log(LOG_INFO, 'Updating ' . $user->nickname .
315 ' status from presence.');
316 $this->add_notice($user, $pl);
325 function log($level, $msg) {
326 common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
329 function subscribed($to) {
330 jabber_special_presence('subscribed', $to);
334 ini_set("max_execution_time", "0");
335 ini_set("max_input_time", "0");
337 mb_internal_encoding('UTF-8');
339 $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp','resource') . '-listen');
341 $daemon = new XMPPDaemon($resource);