+ } else {
+ return NULL;
+ }
+}
+
+function jabber_daemon_address() {
+ return common_config('xmpp', 'user') . '@' . common_config('xmpp', 'server');
+}
+
+function jabber_connect($resource=NULL) {
+ static $conn = NULL;
+ if (!$conn) {
+ $conn = new XMPPHP_XMPP(common_config('xmpp', 'host') ?
+ common_config('xmpp', 'host') :
+ common_config('xmpp', 'server'),
+ common_config('xmpp', 'port'),
+ common_config('xmpp', 'user'),
+ common_config('xmpp', 'password'),
+ ($resource) ? $resource :
+ common_config('xmpp', 'resource'),
+ common_config('xmpp', 'server'),
+ common_config('xmpp', 'debug') ?
+ true : false,
+ common_config('xmpp', 'debug') ?
+ XMPPHP_Log::LEVEL_VERBOSE : NULL
+ );
+
+ if (!$conn) {
+ return false;
+ }
+
+ $conn->autoSubscribe();
+ $conn->useEncryption(common_config('xmpp', 'encryption'));
+
+ try {
+ $conn->connect(true); # true = persistent connection
+ } catch (XMPPHP_Exception $e) {
+ common_log(LOG_ERROR, $e->getMessage());
+ return false;
+ }
+
+ $conn->processUntil('session_start');
+ }
+ return $conn;
+}
+
+function jabber_send_notice($to, $notice) {
+ $conn = jabber_connect();
+ if (!$conn) {
+ return false;
+ }
+ $profile = Profile::staticGet($notice->profile_id);
+ if (!$profile) {
+ common_log(LOG_WARNING, 'Refusing to send notice with ' .
+ 'unknown profile ' . common_log_objstring($notice),
+ __FILE__);
+ return false;
+ }
+ $msg = jabber_format_notice($profile, $notice);
+ $entry = jabber_format_entry($profile, $notice);
+ $conn->message($to, $msg, 'chat', NULL, $entry);
+ $profile->free();
+ return true;
+}
+
+# Extra stuff defined by Twitter, needed by twitter clients
+
+function jabber_format_entry($profile, $notice) {
+
+ # FIXME: notice url might be remote
+
+ $noticeurl = common_local_url('shownotice',
+ array('notice' => $notice->id));
+ $msg = jabber_format_notice($profile, $notice);
+ $entry = "\n<entry xmlns='http://www.w3.org/2005/Atom'>\n";
+ $entry .= "<source>\n";
+ $entry .= "<title>" . $profile->nickname . " - " . common_config('site', 'name') . "</title>\n";
+ $entry .= "<link href='" . htmlspecialchars($profile->profileurl) . "'/>\n";
+ $entry .= "<link rel='self' type='application/rss+xml' href='" . common_local_url('userrss', array('nickname' => $profile->nickname)) . "'/>\n";
+ $entry .= "<author><name>" . $profile->nickname . "</name></author>\n";
+ $entry .= "<icon>" . common_profile_avatar_url($profile, AVATAR_PROFILE_SIZE) . "</icon>\n";
+ $entry .= "</source>\n";
+ $entry .= "<title>" . htmlspecialchars($msg) . "</title>\n";
+ $entry .= "<summary>" . htmlspecialchars($msg) . "</summary>\n";
+ $entry .= "<link rel='alternate' href='" . $noticeurl . "' />\n";
+ $entry .= "<id>". $notice->uri . "</id>\n";
+ $entry .= "<published>".common_date_w3dtf($notice->created)."</published>\n";
+ $entry .= "<updated>".common_date_w3dtf($notice->modified)."</updated>\n";
+ $entry .= "</entry>\n";
+
+ $html = "\n<html xmlns='http://jabber.org/protocol/xhtml-im'>\n";
+ $html .= "<body xmlns='http://www.w3.org/1999/xhtml'>\n";
+ $html .= "<a href='".htmlspecialchars($profile->profileurl)."'>".$profile->nickname."</a>: ";
+ $html .= ($notice->rendered) ? $notice->rendered : common_render_content($notice->content, $notice);
+ $html .= "\n</body>\n";
+ $html .= "\n</html>\n";
+
+ $address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
+ $address .= "<address type='replyto' jid='" . jabber_daemon_address() . "' />\n";
+ $address .= "</addresses>\n";
+
+ # FIXME: include a pubsub event, too.
+
+ return $html . $entry . $address;
+}
+
+function jabber_send_message($to, $body, $type='chat', $subject=NULL) {
+ $conn = jabber_connect();
+ if (!$conn) {
+ return false;
+ }
+ $conn->message($to, $body, $type, $subject);
+ return true;
+}
+
+function jabber_send_presence($status, $show='available', $to=NULL,
+ $type = 'available', $priority=NULL)
+{
+ $conn = jabber_connect();
+ if (!$conn) {
+ return false;
+ }
+ $conn->presence($status, $show, $to, $type, $priority);
+ return true;
+}
+
+function jabber_confirm_address($code, $nickname, $address) {
+ $body = 'User "' . $nickname . '" on ' . common_config('site', 'name') . ' ' .
+ 'has said that your Jabber ID belongs to them. ' .
+ 'If that\'s true, you can confirm by clicking on this URL: ' .
+ common_local_url('confirmaddress', array('code' => $code)) .
+ ' . (If you cannot click it, copy-and-paste it into the ' .
+ 'address bar of your browser). If that user isn\'t you, ' .
+ 'or if you didn\'t request this confirmation, just ignore this message.';
+
+ return jabber_send_message($address, $body);
+}
+
+function jabber_special_presence($type, $to=NULL, $show=NULL, $status=NULL) {
+ $conn = jabber_connect();
+
+ $to = htmlspecialchars($to);
+ $status = htmlspecialchars($status);
+ $out = "<presence";
+ if($to) $out .= " to='$to'";
+ if($type) $out .= " type='$type'";
+ if($show == 'available' and !$status) {
+ $out .= "/>";
+ } else {
+ $out .= ">";
+ if($show && ($show != 'available')) $out .= "<show>$show</show>";
+ if($status) $out .= "<status>$status</status>";
+ $out .= "</presence>";
+ }
+ $conn->send($out);
+}
+
+function jabber_broadcast_notice($notice) {
+
+ if (!common_config('xmpp', 'enabled')) {
+ return true;
+ }
+ $profile = Profile::staticGet($notice->profile_id);
+
+ if (!$profile) {
+ common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
+ 'unknown profile ' . common_log_objstring($notice),
+ __FILE__);
+ return false;
+ }
+
+ $msg = jabber_format_notice($profile, $notice);
+ $entry = jabber_format_entry($profile, $notice);
+
+ $profile->free();
+ unset($profile);
+
+ $sent_to = array();
+ $conn = jabber_connect();
+
+ # First, get users to whom this is a direct reply
+ $user = new User();
+ $user->query('SELECT user.id, user.jabber ' .
+ 'FROM user JOIN reply ON user.id = reply.profile_id ' .
+ 'WHERE reply.notice_id = ' . $notice->id . ' ' .
+ 'AND user.jabber is not null ' .
+ 'AND user.jabbernotify = 1 ' .
+ 'AND user.jabberreplies = 1 ');
+
+ while ($user->fetch()) {
+ common_log(LOG_INFO,
+ 'Sending reply notice ' . $notice->id . ' to ' . $user->jabber,
+ __FILE__);
+ $conn->message($user->jabber, $msg, 'chat', NULL, $entry);
+ $conn->processTime(0);
+ $sent_to[$user->id] = 1;
+ }
+
+ $user->free();
+
+ # Now, get users subscribed to this profile
+
+ $user = new User();
+ $user->query('SELECT user.id, user.jabber ' .
+ 'FROM user JOIN subscription ON user.id = subscription.subscriber ' .
+ 'WHERE subscription.subscribed = ' . $notice->profile_id . ' ' .
+ 'AND user.jabber is not null ' .
+ 'AND user.jabbernotify = 1 ' .
+ 'AND subscription.jabber = 1 ');
+
+ while ($user->fetch()) {
+ if (!array_key_exists($user->id, $sent_to)) {
+ common_log(LOG_INFO,
+ 'Sending notice ' . $notice->id . ' to ' . $user->jabber,
+ __FILE__);
+ $conn->message($user->jabber, $msg, 'chat', NULL, $entry);
+ # To keep the incoming queue from filling up, we service it after each send.
+ $conn->processTime(0);
+ }
+ }
+
+ $user->free();
+
+ return true;
+}
+
+function jabber_public_notice($notice) {
+
+ # Now, users who want everything
+
+ $public = common_config('xmpp', 'public');
+
+ # FIXME PRIV don't send out private messages here
+ # XXX: should we send out non-local messages if public,localonly
+ # = false? I think not
+
+ if ($public && $notice->is_local) {
+ $profile = Profile::staticGet($notice->profile_id);
+
+ if (!$profile) {
+ common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
+ 'unknown profile ' . common_log_objstring($notice),
+ __FILE__);
+ return false;
+ }
+
+ $msg = jabber_format_notice($profile, $notice);
+ $entry = jabber_format_entry($profile, $notice);
+
+ $conn = jabber_connect();
+
+ foreach ($public as $address) {
+ common_log(LOG_INFO,
+ 'Sending notice ' . $notice->id . ' to public listener ' . $address,
+ __FILE__);
+ $conn->message($address, $msg, 'chat', NULL, $entry);
+ $conn->processTime(0);
+ }
+ $profile->free();
+ }
+
+ return true;
+}
+
+function jabber_format_notice(&$profile, &$notice) {
+ return $profile->nickname . ': ' . $notice->content;