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Diffstat (limited to '_darcs/pristine/lib/jabber.php')
-rw-r--r-- | _darcs/pristine/lib/jabber.php | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/_darcs/pristine/lib/jabber.php b/_darcs/pristine/lib/jabber.php new file mode 100644 index 000000000..ab0fd6af8 --- /dev/null +++ b/_darcs/pristine/lib/jabber.php @@ -0,0 +1,300 @@ +<?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 = ' . $notice->profile_id . ' ' . + 'AND user.jabber is not null ' . + 'AND user.jabbernotify = 1 ' . + 'AND subscription.jabber = 1 '); + + while ($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; +} |