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 function xmppdaemon_error_handler($errno, $errstr, $errfile, $errline, $errcontext) {
24 echo "<b>My ERROR</b> [$errno] $errstr<br />\n";
25 echo " Fatal error on line $errline in file $errfile";
26 echo ", PHP " . PHP_VERSION . " (" . PHP_OS . ")<br />\n";
27 echo "Aborting...<br />\n";
32 echo "<b>My WARNING</b> [$errno] $errstr<br />\n";
36 echo "<b>My NOTICE</b> [$errno] $errstr<br />\n";
40 echo "Unknown error type: [$errno] $errstr<br />\n";
44 /* Don't execute PHP internal error handler */
48 set_error_handler('xmppdaemon_error_handler');
50 # Abort if called from a web server
51 if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
52 print "This script must be run from the command line\n";
56 define('INSTALLDIR', dirname(__FILE__));
57 define('LACONICA', true);
59 require_once(INSTALLDIR . '/lib/common.php');
60 require_once(INSTALLDIR . '/lib/jabber.php');
62 # This is kind of clunky; we create a class to call the global functions
63 # in jabber.php, which create a new XMPP class. A more elegant (?) solution
64 # might be to use make this a subclass of XMPP.
68 function XMPPDaemon($resource=NULL) {
69 static $attrs = array('server', 'port', 'user', 'password', 'host');
71 foreach ($attrs as $attr)
73 $this->$attr = common_config('xmpp', $attr);
77 $this->resource = $resource;
79 $this->resource = common_config('xmpp', 'resource') . 'daemon';
82 $this->log(LOG_INFO, "{$this->user}@{$this->server}/{$this->resource}");
87 $connect_to = ($this->host) ? $this->host : $this->server;
89 $this->log(LOG_INFO, "Connecting to $connect_to on port $this->port");
91 $this->conn = jabber_connect($this->resource);
97 return !$this->conn->isDisconnected();
102 static $parts = array('message', 'presence',
103 'end_stream', 'session_start');
105 while(!$this->conn->isDisconnected()) {
107 $payloads = $this->conn->processUntil($parts, 10);
110 foreach($payloads as $event) {
114 $this->handle_message($pl);
117 $this->handle_presence($pl);
119 case 'session_start':
120 $this->handle_session($pl);
126 $this->broadcast_queue();
127 $this->confirmation_queue();
131 function handle_session($pl) {
132 # XXX what to do here?
136 function get_user($from) {
137 $user = User::staticGet('jabber', jabber_normalize_jid($from));
141 function get_confirmation($from) {
142 $confirm = new Confirm_address();
143 $confirm->address = $from;
144 $confirm->address_type = 'jabber';
145 if ($confirm->find(TRUE)) {
152 function handle_message(&$pl) {
153 if ($pl['type'] != 'chat') {
156 if (strlen($pl['body']) == 0) {
160 $from = jabber_normalize_jid($pl['from']);
161 $user = $this->get_user($from);
164 $this->from_site($from, 'Unknown user; go to ' .
165 common_local_url('imsettings') .
166 ' to add your address to your account');
167 $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
170 if ($this->handle_command($user, $pl['body'])) {
172 } else if ($this->is_autoreply($pl['body'])) {
173 $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
176 $this->add_notice($user, $pl);
180 function is_autoreply($txt) {
181 if (preg_match('/[\[\(]?[Aa]uto-?[Rr]eply[\]\)]/', $txt)) {
188 function from_site($address, $msg) {
189 $text = '['.common_config('site', 'name') . '] ' . $msg;
190 jabber_send_message($address, $text);
193 function handle_command($user, $body) {
195 switch(trim($body)) {
197 $this->set_notify($user, true);
198 $this->from_site($user->jabber, 'notifications on');
201 $this->set_notify($user, false);
202 $this->from_site($user->jabber, 'notifications off');
209 function set_notify(&$user, $notify) {
210 $orig = clone($user);
211 $user->jabbernotify = $notify;
212 $result = $user->update($orig);
214 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
215 $this->log(LOG_ERROR,
216 'Could not set notify flag to ' . $notify .
217 ' for user ' . common_log_objstring($user) .
218 ': ' . $last_error->message);
221 'User ' . $user->nickname . ' set notify flag to ' . $notify);
225 function add_notice(&$user, &$pl) {
226 $notice = new Notice();
227 $notice->profile_id = $user->id;
228 $notice->content = trim(substr($pl['body'], 0, 140));
229 $notice->rendered = common_render_content($notice->content, $notice);
230 $notice->created = DB_DataObject_Cast::dateTime();
231 $notice->query('BEGIN');
232 $id = $notice->insert();
234 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
235 $this->log(LOG_ERROR,
236 'Could not insert ' . common_log_objstring($notice) .
237 ' for user ' . common_log_objstring($user) .
238 ': ' . $last_error->message);
241 $orig = clone($notice);
242 $notice->uri = common_notice_uri($notice);
243 $result = $notice->update($orig);
245 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
246 $this->log(LOG_ERROR,
247 'Could not add URI to ' . common_log_objstring($notice) .
248 ' for user ' . common_log_objstring($user) .
249 ': ' . $last_error->message);
252 $notice->query('COMMIT');
253 common_save_replies($notice);
254 common_real_broadcast($notice);
256 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
259 function handle_presence(&$pl) {
260 $from = jabber_normalize_jid($pl['from']);
261 switch ($pl['type']) {
263 # We let anyone subscribe
264 $this->subscribed($from);
266 'Accepted subscription from ' . $from);
272 'Ignoring "' . $pl['type'] . '" from ' . $from);
276 $user = User::staticGet('jabber', $from);
278 $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
281 if ($user->updatefrompresence) {
282 $this->log(LOG_INFO, 'Updating ' . $user->nickname .
283 ' status from presence.');
284 $this->add_notice($user, $pl);
291 function log($level, $msg) {
292 common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
295 function subscribed($to) {
296 jabber_special_presence('subscribed', $to);
299 function set_status($status) {
300 $this->log(LOG_INFO, 'Setting status to "' . $status . '"');
301 jabber_send_presence($status);
304 function top_queue_item() {
306 $qi = new Queue_item();
307 $qi->orderBy('created');
308 $qi->whereAdd('claimed is NULL');
312 $cnt = $qi->find(TRUE);
315 # XXX: potential race condition
316 # can we force it to only update if claimed is still NULL
318 $this->log(LOG_INFO, 'claiming queue item = ' . $qi->notice_id);
320 $qi->claimed = DB_DataObject_Cast::dateTime();
321 $result = $qi->update($orig);
323 $this->log(LOG_INFO, 'claim succeeded.');
326 $this->log(LOG_INFO, 'claim failed.');
333 function broadcast_queue() {
334 $this->clear_old_claims();
335 $this->log(LOG_INFO, 'checking for queued notices');
337 $qi = $this->top_queue_item();
339 $this->log(LOG_INFO, 'Got item enqueued '.common_exact_date($qi->created));
340 $notice = Notice::staticGet($qi->notice_id);
342 $this->log(LOG_INFO, 'broadcasting notice ID = ' . $notice->id);
343 # XXX: what to do if broadcast fails?
344 $result = common_real_broadcast($notice, $this->is_remote($notice));
346 $this->log(LOG_WARNING, 'Failed broadcast for notice ID = ' . $notice->id);
350 $this->log(LOG_WARNING, 'Abandoned claim for notice ID = ' . $notice->id);
353 $this->log(LOG_INFO, 'finished broadcasting notice ID = ' . $notice->id);
356 $this->log(LOG_WARNING, 'queue item for notice that does not exist');
363 function clear_old_claims() {
364 $qi = new Queue_item();
366 $qi->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
367 $qi->update(DB_DATAOBJECT_WHEREADD_ONLY);
370 function is_remote($notice) {
371 $user = User::staticGet($notice->profile_id);
375 function confirmation_queue() {
376 # $this->clear_old_confirm_claims();
377 $this->log(LOG_INFO, 'checking for queued confirmations');
379 $confirm = $this->next_confirm();
381 $this->log(LOG_INFO, 'Sending confirmation for ' . $confirm->address);
382 $user = User::staticGet($confirm->user_id);
384 $this->log(LOG_WARNING, 'Confirmation for unknown user ' . $confirm->user_id);
387 $success = jabber_confirm_address($confirm->code,
391 $this->log(LOG_ERROR, 'Confirmation failed for ' . $confirm->address);
392 # Just let the claim age out; hopefully things work then
395 $this->log(LOG_INFO, 'Confirmation sent for ' . $confirm->address);
396 # Mark confirmation sent
397 $original = clone($confirm);
398 $confirm->sent = $confirm->claimed;
399 $result = $confirm->update($original);
401 $this->log(LOG_ERROR, 'Cannot mark sent for ' . $confirm->address);
402 # Just let the claim age out; hopefully things work then
410 function next_confirm() {
411 $confirm = new Confirm_address();
412 $confirm->whereAdd('claimed IS NULL');
413 $confirm->whereAdd('sent IS NULL');
414 # XXX: eventually we could do other confirmations in the queue, too
415 $confirm->address_type = 'jabber';
416 $confirm->orderBy('modified DESC');
418 if ($confirm->find(TRUE)) {
419 $this->log(LOG_INFO, 'Claiming confirmation for ' . $confirm->address);
420 # working around some weird DB_DataObject behaviour
421 $confirm->whereAdd(''); # clears where stuff
422 $original = clone($confirm);
423 $confirm->claimed = DB_DataObject_Cast::dateTime();
424 $result = $confirm->update($original);
426 $this->log(LOG_INFO, 'Succeeded in claim! '. $result);
429 $this->log(LOG_INFO, 'Failed in claim!');
436 function clear_old_confirm_claims() {
437 $confirm = new Confirm();
438 $confirm->claimed = NULL;
439 $confirm->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
440 $confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
445 $resource = ($argc > 1) ? $argv[1] : NULL;
447 $daemon = new XMPPDaemon($resource);
449 if ($daemon->connect()) {
450 $daemon->set_status("Send me a message to post a notice");