<?php /* * Laconica - a distributed open-source microblogging tool * Copyright (C) 2008, Controlez-Vous, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ if (!defined('LACONICA')) { exit(1); } require_once('XMPPHP/XMPP.php'); function jabber_valid_base_jid($jid) { # Cheap but effective return Validate::email($jid); } function jabber_normalize_jid($jid) { if (preg_match("/(?:([^\@]+)\@)?([^\/]+)(?:\/(.*))?$/", $jid, $matches)) { $node = $matches[1]; $server = $matches[2]; return strtolower($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) { $conn = new XMPPHP_XMPP(common_config('xmpp', 'host') ? common_config('xmpp', 'host') : common_config('xmpp', 'server'), common_config('xmpp', 'port'), common_config('xmpp', 'user'), common_config('xmpp', 'password'), ($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 = ' . $notice->profile_id . ' ' . 'AND user.jabber is not null ' . 'AND user.jabbernotify = 1 '); while ($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; }