add a bit of instructions

[quix0rs-gnu-social.git] / lib / jabber.php

diff --git a/lib/jabber.php b/lib/jabber.php
index 141b9231ff1c7bd93b28c7433c0b8137370a8462..2e136cd74874ae7091b4b9b9b416dddff11e8ca7 100644 (file)
--- a/lib/jabber.php
+++ b/lib/jabber.php
@@ -19,15 +19,126 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
+require_once('xmpp.php');
+
 function jabber_valid_base_jid($jid) {
        # Cheap but effective
        return Validate::email($jid);
 }
 
 function jabber_normalize_jid($jid) {
-               preg_match("/(?:([^\@]+)\@)?([^\/]+)(?:\/(.*))?$/", $jid, $matches);
+       if (preg_match("/(?:([^\@]+)\@)?([^\/]+)(?:\/(.*))?$/", $jid, $matches)) {
                $node = $matches[1];
                $server = $matches[2];
                $resource = $matches[3];
                return strtolower($node.'@'.$server);
+       } else {
+               return NULL;
+       }
+}
+
+function jabber_daemon_address() {
+       return common_config('xmpp', 'user') . '@' . common_config('xmpp', 'server');
+}
+
+function jabber_connect($resource=NULL) {
+       static $conn = NULL;
+       if (!$conn) {
+               $conn = new XMPP(common_config('xmpp', 'host') ?
+                                        common_config('xmpp', 'host') :
+                                        common_config('xmpp', 'server'),
+                                        common_config('xmpp', 'port'),
+                                            common_config('xmpp', 'user'),
+                                            common_config('xmpp', 'password'),
+                                        ($resource) ? $resource :
+                                               common_config('xmpp', 'resource'),
+                                        common_config('xmpp', 'server'));
+
+               if (!$conn) {
+                       return false;
+               }
+               $conn->connect(true); # true = persistent connection
+               if ($conn->disconnected) {
+                       return false;
+               }
+       $conn->processUntil('session_start');
+       }
+       return $conn;
+}
+
+function jabber_send_message($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) {
+       $conn = jabber_connect();
+       if (!$conn) {
+               return false;
+       }
+       $conn->presence($status, $show, $to);
+       return true;
+}
+
+function jabber_confirm_address($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' => $code)) .
+               ' . (If you cannot click it, copy-and-paste it into the ' .
+               'address bar of your browser). If that user isn\'t you, ' .
+               'or if you didn\'t request this confirmation, just ignore this message.';
+
+       jabber_send_message($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) {
+       # First, get users subscribed to this profile
+       # XXX: use a join here rather than looping through results
+       $profile = Profile::staticGet($notice->profile_id);
+       if (!$profile) {
+               common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
+                          'unknown profile ' . common_log_objstring($notice),
+                          __FILE__);
+               return false;
+       }
+       $sub = new Subscription();
+       $sub->subscribed = $notice->profile_id;
+       if ($sub->find()) {
+               $msg = jabber_format_notice($profile, $notice);
+               while ($sub->fetch()) {
+                       $user = User::staticGet($sub->subscriber);
+                       if ($user && $user->jabber) {
+                               jabber_send_message($user->jabber,
+                                                   $msg);
+                       }
+               }
+       }
+}
+
+function jabber_format_notice(&$profile, &$notice) {
+       return $profile->nickname . ': ' . $notice->content;
 }