+ $this->conn->setReconnectTimeout(600);
+
+ $this->log(LOG_INFO, "Sending initial presence.");
+
+ jabber_send_presence("Send me a message to post a notice", 'available',
+ null, 'available', 100);
+
+ $this->log(LOG_INFO, "Done connecting.");
+
+ return !$this->conn->isDisconnected();
+ }
+
+ function name()
+ {
+ return strtolower('xmppdaemon.'.$this->resource);
+ }
+
+ function run()
+ {
+ if ($this->connect()) {
+
+ $this->log(LOG_DEBUG, "Initializing stanza handlers.");
+
+ $this->conn->addEventHandler('message', 'handle_message', $this);
+ $this->conn->addEventHandler('presence', 'handle_presence', $this);
+ $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
+
+ $this->log(LOG_DEBUG, "Beginning processing loop.");
+
+ while ($this->conn->processTime(60)) {
+ $this->sendPing();
+ }
+ }
+ }
+
+ function sendPing()
+ {
+ if (!isset($this->pingid)) {
+ $this->pingid = 0;
+ } else {
+ $this->pingid++;
+ }
+
+ $this->log(LOG_DEBUG, "Sending ping #{$this->pingid}");
+
+ $this->conn->send("<iq from='{$this->jid}' to='{$this->server}' id='ping_{$this->pingid}' type='get'><ping xmlns='urn:xmpp:ping'/></iq>");
+ }
+
+ function handle_reconnect(&$pl)
+ {
+ $this->log(LOG_DEBUG, "Got reconnection callback.");
+ $this->conn->processUntil('session_start');
+ $this->log(LOG_DEBUG, "Sending reconnection presence.");
+ $this->conn->presence('Send me a message to post a notice', 'available', null, 'available', 100);
+ unset($pl['xml']);
+ $pl['xml'] = null;
+
+ $pl = null;
+ unset($pl);
+ }
+
+ function get_user($from)
+ {
+ $user = User::staticGet('jabber', jabber_normalize_jid($from));
+ return $user;
+ }
+
+ function handle_message(&$pl)
+ {
+ $from = jabber_normalize_jid($pl['from']);
+
+ if ($pl['type'] != 'chat') {
+ $this->log(LOG_WARNING, "Ignoring message of type ".$pl['type']." from $from.");
+ return;
+ }
+
+ if (mb_strlen($pl['body']) == 0) {
+ $this->log(LOG_WARNING, "Ignoring message with empty body from $from.");
+ return;
+ }
+
+ # Forwarded from another daemon (probably a broadcaster) for
+ # us to handle
+
+ if ($this->is_self($from)) {
+ $this->log(LOG_INFO, "Got forwarded notice from self ($from).");
+ $from = $this->get_ofrom($pl);
+ $this->log(LOG_INFO, "Originally sent by $from.");
+ if (is_null($from) || $this->is_self($from)) {
+ $this->log(LOG_INFO, "Ignoring notice originally sent by $from.");
+ return;
+ }
+ }
+
+ $user = $this->get_user($from);
+
+ // For common_current_user to work
+ global $_cur;
+ $_cur = $user;
+
+ if (!$user) {
+ $this->from_site($from, 'Unknown user; go to ' .
+ common_local_url('imsettings') .
+ ' to add your address to your account');
+ $this->log(LOG_WARNING, 'Message from unknown user ' . $from);
+ return;
+ }
+ if ($this->handle_command($user, $pl['body'])) {
+ $this->log(LOG_INFO, "Command messag by $from handled.");
+ return;
+ } else if ($this->is_autoreply($pl['body'])) {
+ $this->log(LOG_INFO, 'Ignoring auto reply from ' . $from);
+ return;
+ } else if ($this->is_otr($pl['body'])) {
+ $this->log(LOG_INFO, 'Ignoring OTR from ' . $from);
+ return;
+ } else if ($this->is_direct($pl['body'])) {
+ $this->log(LOG_INFO, 'Got a direct message ' . $from);
+
+ preg_match_all('/d[\ ]*([a-z0-9]{1,64})/', $pl['body'], $to);
+
+ $to = preg_replace('/^d([\ ])*/', '', $to[0][0]);
+ $body = preg_replace('/d[\ ]*('. $to .')[\ ]*/', '', $pl['body']);
+
+ $this->log(LOG_INFO, 'Direct message from '. $user->nickname . ' to ' . $to);
+
+ $this->add_direct($user, $body, $to, $from);
+ } else {
+
+ $this->log(LOG_INFO, 'Posting a notice from ' . $user->nickname);
+
+ $this->add_notice($user, $pl);
+ }
+
+ $user->free();
+ unset($user);
+ unset($_cur);
+
+ unset($pl['xml']);
+ $pl['xml'] = null;
+
+ $pl = null;
+ unset($pl);
+ }
+
+ function is_self($from)
+ {
+ return preg_match('/^'.strtolower(jabber_daemon_address()).'/', strtolower($from));
+ }
+
+ function get_ofrom($pl)
+ {
+ $xml = $pl['xml'];
+ $addresses = $xml->sub('addresses');
+ if (!$addresses) {
+ $this->log(LOG_WARNING, 'Forwarded message without addresses');
+ return null;
+ }
+ $address = $addresses->sub('address');
+ if (!$address) {
+ $this->log(LOG_WARNING, 'Forwarded message without address');
+ return null;
+ }
+ if (!array_key_exists('type', $address->attrs)) {
+ $this->log(LOG_WARNING, 'No type for forwarded message');
+ return null;
+ }
+ $type = $address->attrs['type'];
+ if ($type != 'ofrom') {
+ $this->log(LOG_WARNING, 'Type of forwarded message is not ofrom');
+ return null;
+ }
+ if (!array_key_exists('jid', $address->attrs)) {
+ $this->log(LOG_WARNING, 'No jid for forwarded message');
+ return null;
+ }
+ $jid = $address->attrs['jid'];
+ if (!$jid) {
+ $this->log(LOG_WARNING, 'Could not get jid from address');
+ return null;
+ }
+ $this->log(LOG_DEBUG, 'Got message forwarded from jid ' . $jid);
+ return $jid;
+ }
+
+ function is_autoreply($txt)
+ {
+ if (preg_match('/[\[\(]?[Aa]uto[-\s]?[Rr]e(ply|sponse)[\]\)]/', $txt)) {
+ return true;
+ } else if (preg_match('/^System: Message wasn\'t delivered. Offline storage size was exceeded.$/', $txt)) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function is_otr($txt)
+ {
+ if (preg_match('/^\?OTR/', $txt)) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function is_direct($txt)
+ {
+ if (strtolower(substr($txt, 0, 2))=='d ') {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function from_site($address, $msg)
+ {
+ $text = '['.common_config('site', 'name') . '] ' . $msg;
+ jabber_send_message($address, $text);
+ }
+
+ function handle_command($user, $body)
+ {
+ $inter = new CommandInterpreter();
+ $cmd = $inter->handle_command($user, $body);
+ if ($cmd) {
+ $chan = new XMPPChannel($this->conn);
+ $cmd->execute($chan);
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ function add_notice(&$user, &$pl)
+ {
+ $body = trim($pl['body']);
+ $content_shortened = common_shorten_links($body);
+ if (Notice::contentTooLong($content_shortened)) {
+ $from = jabber_normalize_jid($pl['from']);
+ $this->from_site($from, sprintf(_("Message too long - maximum is %d characters, you sent %d"),
+ Notice::maxContent(),
+ mb_strlen($content_shortened)));
+ return;
+ }
+
+ try {
+ $notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
+ } catch (Exception $e) {
+ $this->log(LOG_ERR, $e->getMessage());
+ $this->from_site($user->jabber, $e->getMessage());
+ return;
+ }
+
+ common_broadcast_notice($notice);
+ $this->log(LOG_INFO,
+ 'Added notice ' . $notice->id . ' from user ' . $user->nickname);
+ $notice->free();
+ unset($notice);
+ }
+
+ function handle_presence(&$pl)
+ {
+ $from = jabber_normalize_jid($pl['from']);
+ switch ($pl['type']) {
+ case 'subscribe':
+ # We let anyone subscribe
+ $this->subscribed($from);
+ $this->log(LOG_INFO,
+ 'Accepted subscription from ' . $from);
+ break;
+ case 'subscribed':
+ case 'unsubscribed':
+ case 'unsubscribe':
+ $this->log(LOG_INFO,
+ 'Ignoring "' . $pl['type'] . '" from ' . $from);
+ break;
+ default:
+ if (!$pl['type']) {
+ $user = User::staticGet('jabber', $from);
+ if (!$user) {
+ $this->log(LOG_WARNING, 'Presence from unknown user ' . $from);
+ return;
+ }
+ if ($user->updatefrompresence) {
+ $this->log(LOG_INFO, 'Updating ' . $user->nickname .
+ ' status from presence.');
+ $this->add_notice($user, $pl);
+ }
+ $user->free();
+ unset($user);
+ }
+ break;
+ }
+ unset($pl['xml']);
+ $pl['xml'] = null;
+
+ $pl = null;
+ unset($pl);
+ }
+
+ function log($level, $msg)
+ {
+ $text = 'XMPPDaemon('.$this->resource.'): '.$msg;
+ common_log($level, $text);
+ if (!$this->daemonize)
+ {
+ $line = common_log_line($level, $text);
+ echo $line;
+ echo "\n";
+ }
+ }
+
+ function subscribed($to)
+ {
+ jabber_special_presence('subscribed', $to);
+ }