- 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 message 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 {
-
- $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/', $txt)) {
- return true;
- } else {
- return false;
- }
- }
-
- function from_site($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 %1$d characters, you sent %2$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";
- }
- }