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', $_SERVER)) {
23 print "This script must be run from the command line\n";
27 define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
28 define('LACONICA', true);
30 require_once(INSTALLDIR . '/lib/common.php');
31 require_once(INSTALLDIR . '/lib/jabber.php');
33 set_error_handler('common_error_handler');
35 # This is kind of clunky; we create a class to call the global functions
36 # in jabber.php, which create a new XMPP class. A more elegant (?) solution
37 # might be to use make this a subclass of XMPP.
41 function XMPPDaemon($resource=NULL) {
42 static $attrs = array('server', 'port', 'user', 'password', 'host');
44 foreach ($attrs as $attr)
46 $this->$attr = common_config('xmpp', $attr);
50 $this->resource = $resource;
52 $this->resource = common_config('xmpp', 'resource') . 'daemon';
55 $this->log(LOG_INFO, "INITIALIZE XMPPDaemon {$this->user}@{$this->server}/{$this->resource}");
60 $connect_to = ($this->host) ? $this->host : $this->server;
62 $this->log(LOG_INFO, "Connecting to $connect_to on port $this->port");
64 $this->conn = jabber_connect($this->resource, "Send me a message to post a notice", 100);
70 return !$this->conn->isDisconnected();
74 $this->conn->addEventHandler('message', 'handle_message', $this);
75 $this->conn->addEventHandler('presence', 'handle_presence', $this);
77 $this->conn->process();
80 function get_user($from) {
81 $user = User::staticGet('jabber', jabber_normalize_jid($from));
85 function handle_message(&$pl) {
86 if ($pl['type'] != 'chat') {
89 if (mb_strlen($pl['body']) == 0) {
93 $from = jabber_normalize_jid($pl['from']);
95 # Forwarded from another daemon (probably a broadcaster) for
98 if ($this->is_self($from)) {
99 $from = $this->get_ofrom($pl);
100 if (is_null($from) || $this->is_self($from)) {
105 $user = $this->get_user($from);
108 $this->from_site($from, 'Unknown user; go to ' .
109 common_local_url('imsettings') .
110 ' to add your address to your account');
111 $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
114 if ($this->handle_command($user, $pl['body'])) {
116 } else if ($this->is_autoreply($pl['body'])) {
117 $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
119 } else if ($this->is_otr($pl['body'])) {
120 $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
123 $len = mb_strlen($pl['body']);
125 $this->from_site($from, 'Message too long - maximum is 140 characters, you sent ' . $len);
128 $this->add_notice($user, $pl);
132 function is_self($from) {
133 return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
136 function get_ofrom($pl) {
138 $addresses = $xml->sub('addresses');
140 $this->log(LOG_WARNING, 'Forwarded message without addresses');
143 $address = $addresses->sub('address');
145 $this->log(LOG_WARNING, 'Forwarded message without address');
148 if (!array_key_exists('type', $address->attrs)) {
149 $this->log(LOG_WARNING, 'No type for forwarded message');
152 $type = $address->attrs['type'];
153 if ($type != 'ofrom') {
154 $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
157 if (!array_key_exists('jid', $address->attrs)) {
158 $this->log(LOG_WARNING, 'No jid for forwarded message');
161 $jid = $address->attrs['jid'];
163 $this->log(LOG_WARNING, 'Could not get jid from address');
166 $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
170 function is_autoreply($txt) {
171 if (preg_match('/[\[\(]?[Aa]uto-?[Rr]eply[\]\)]/', $txt)) {
178 function is_otr($txt) {
179 if (preg_match('/^\?OTR/', $txt)) {
186 function from_site($address, $msg) {
187 $text = '['.common_config('site', 'name') . '] ' . $msg;
188 jabber_send_message($address, $text);
191 function handle_command($user, $body) {
193 $p=explode(' ',$body);
200 $this->from_site($user->jabber, "Commands:\n on - turn on notifications\n off - turn off notifications\n help - show this help \n sub - subscribe to user\n unsub - unsubscribe from user");
205 $this->set_notify($user, true);
206 $this->from_site($user->jabber, 'notifications on');
211 $this->set_notify($user, false);
212 $this->from_site($user->jabber, 'notifications off');
216 $this->from_site($user->jabber, 'Specify the name of the user to subscribe to');
219 $result=subs_subscribe_user($user, $p[1]);
221 $this->from_site($user->jabber, 'Subscribed to ' . $p[1]);
223 $this->from_site($user->jabber, $result);
227 $this->from_site($user->jabber, 'Specify the name of the user to unsubscribe from');
230 $result=subs_unsubscribe_user($user, $p[1]);
232 $this->from_site($user->jabber, 'Unsubscribed from ' . $p[1]);
234 $this->from_site($user->jabber, $result);
241 function set_notify(&$user, $notify) {
242 $orig = clone($user);
243 $user->jabbernotify = $notify;
244 $result = $user->update($orig);
246 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
248 'Could not set notify flag to ' . $notify .
249 ' for user ' . common_log_objstring($user) .
250 ': ' . $last_error->message);
253 'User ' . $user->nickname . ' set notify flag to ' . $notify);
257 function add_notice(&$user, &$pl) {
258 $notice = Notice::saveNew($user->id, trim(mb_substr($pl['body'], 0, 140)), 'xmpp');
259 if (is_string($notice)) {
260 $this->log(LOG_ERR, $notice);
263 common_broadcast_notice($notice);
265 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
268 function handle_presence(&$pl) {
269 $from = jabber_normalize_jid($pl['from']);
270 switch ($pl['type']) {
272 # We let anyone subscribe
273 $this->subscribed($from);
275 'Accepted subscription from ' . $from);
281 'Ignoring "' . $pl['type'] . '" from ' . $from);
285 $user = User::staticGet('jabber', $from);
287 $this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
290 if ($user->updatefrompresence) {
291 $this->log(LOG_INFO, 'Updating ' . $user->nickname .
292 ' status from presence.');
293 $this->add_notice($user, $pl);
300 function log($level, $msg) {
301 common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
304 function subscribed($to) {
305 jabber_special_presence('subscribed', $to);
309 ini_set("max_execution_time", "0");
310 ini_set("max_input_time", "0");
312 mb_internal_encoding('UTF-8');
314 $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp','resource') . '-listen');
316 $daemon = new XMPPDaemon($resource);
318 if ($daemon->connect()) {