289 lines
9.2 KiB
PHP
289 lines
9.2 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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require_once('XMPPHP/XMPP.php');
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# XXX: something of a hack to work around problems with the XMPPHP lib
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class Laconica_XMPP extends XMPPHP_XMPP {
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function messageplus($to, $body, $type = 'chat', $subject = null, $payload = null) {
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$to = htmlspecialchars($to);
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$body = htmlspecialchars($body);
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$subject = htmlspecialchars($subject);
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$jid = jabber_daemon_address();
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$out = "<message from='$jid' to='$to' type='$type'>";
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if($subject) $out .= "<subject>$subject</subject>";
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$out .= "<body>$body</body>";
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if($payload) $out .= $payload;
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$out .= "</message>";
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$cnt = strlen($out);
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common_log(LOG_DEBUG, "Sending $cnt chars to $to");
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$this->send($out);
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common_log(LOG_DEBUG, 'Done.');
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}
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}
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function jabber_valid_base_jid($jid) {
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# Cheap but effective
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return Validate::email($jid);
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}
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function jabber_normalize_jid($jid) {
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if (preg_match("/(?:([^\@]+)\@)?([^\/]+)(?:\/(.*))?$/", $jid, $matches)) {
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$node = $matches[1];
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$server = $matches[2];
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return strtolower($node.'@'.$server);
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} else {
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return NULL;
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}
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}
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function jabber_daemon_address() {
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return common_config('xmpp', 'user') . '@' . common_config('xmpp', 'server');
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}
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function jabber_connect($resource=NULL) {
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static $conn = NULL;
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if (!$conn) {
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$conn = new Laconica_XMPP(common_config('xmpp', 'host') ?
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common_config('xmpp', 'host') :
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common_config('xmpp', 'server'),
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common_config('xmpp', 'port'),
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common_config('xmpp', 'user'),
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common_config('xmpp', 'password'),
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($resource) ? $resource :
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common_config('xmpp', 'resource'),
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common_config('xmpp', 'server'),
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common_config('xmpp', 'debug') ?
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true : false,
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common_config('xmpp', 'debug') ?
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XMPPHP_Log::LEVEL_VERBOSE : NULL
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);
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$conn->autoSubscribe();
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if (!$conn) {
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return false;
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}
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$conn->connect(true); # true = persistent connection
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if ($conn->isDisconnected()) {
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return false;
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}
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$conn->processUntil('session_start');
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}
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return $conn;
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}
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function jabber_send_notice($to, $notice) {
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$conn = jabber_connect();
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if (!$conn) {
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return false;
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}
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$profile = Profile::staticGet($notice->profile_id);
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if (!$profile) {
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common_log(LOG_WARNING, 'Refusing to send notice with ' .
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'unknown profile ' . common_log_objstring($notice),
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__FILE__);
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return false;
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}
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$msg = jabber_format_notice($profile, $notice);
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$entry = jabber_format_entry($profile, $notice);
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$conn->messageplus($to, $msg, 'chat', NULL, $entry);
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return true;
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}
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# Extra stuff defined by Twitter, needed by twitter clients
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function jabber_format_entry($profile, $notice) {
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$noticeurl = common_local_url('shownotice',
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array('notice' => $notice->id));
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$msg = jabber_format_notice($profile, $notice);
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$entry = "\n<entry xmlns='http://www.w3.org/2005/Atom'>\n";
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$entry .= "<source>\n";
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$entry .= "<title>" . $profile->nickname . " - " . common_config('site', 'name') . "</title>\n";
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$entry .= "<link href='" . htmlspecialchars($profile->profileurl) . "'/>\n";
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$entry .= "<link rel='self' type='application/rss+xml' href='" . common_local_url('userrss', array('nickname' => $profile->nickname)) . "'/>\n";
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$entry .= "<author><name>" . $profile->nickname . "</name></author>\n";
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$entry .= "<icon>" . common_profile_avatar_url($profile, AVATAR_PROFILE_SIZE) . "</icon>\n";
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$entry .= "</source>\n";
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$entry .= "<title>" . htmlspecialchars($msg) . "</title>\n";
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$entry .= "<summary>" . htmlspecialchars($msg) . "</summary>\n";
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$entry .= "<link rel='alternate' href='" . $noticeurl . "' />\n";
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$entry .= "<id>". $notice->uri . "</id>\n";
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$entry .= "<published>".common_date_w3dtf($notice->created)."</published>\n";
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$entry .= "<updated>".common_date_w3dtf($notice->modified)."</updated>\n";
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$entry .= "</entry>\n";
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$html = "\n<html xmlns='http://jabber.org/protocol/xhtml-im'>\n";
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$html .= "<body xmlns='http://www.w3.org/1999/xhtml'>\n";
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$html .= "<a href='".common_profile_url($profile->nickname)."'>".$profile->nickname."</a>: ";
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$html .= ($notice->rendered) ? $notice->rendered : common_render_content($notice->content, $notice);
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$html .= "\n</body>\n";
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$html .= "\n</html>\n";
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$event = "<event xmlns='http://jabber.org/protocol/pubsub#event'>\n";
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$event .= "<items xmlns='http://jabber.org/protocol/pubsub' ";
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$event .= "node='" . common_local_url('public') . "'>\n";
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$event .= "<item id='" . $notice->uri ."' />\n";
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$event .= "</items>\n";
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$event .= "</event>\n";
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# FIXME: include the pubsub event, too.
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return $html . $entry;
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# return $entry . "\n" . $event;
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}
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function jabber_send_message($to, $body, $type='chat', $subject=NULL) {
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$conn = jabber_connect();
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if (!$conn) {
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return false;
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}
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$conn->message($to, $body, $type, $subject);
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return true;
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}
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function jabber_send_presence($status, $show='available', $to=Null) {
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$conn = jabber_connect();
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if (!$conn) {
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return false;
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}
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$conn->presence($status, $show, $to);
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return true;
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}
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function jabber_confirm_address($code, $nickname, $address) {
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$body = 'User "' . $nickname . '" on ' . common_config('site', 'name') . ' ' .
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'has said that your Jabber ID belongs to them. ' .
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'If that\'s true, you can confirm by clicking on this URL: ' .
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common_local_url('confirmaddress', array('code' => $code)) .
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' . (If you cannot click it, copy-and-paste it into the ' .
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'address bar of your browser). If that user isn\'t you, ' .
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'or if you didn\'t request this confirmation, just ignore this message.';
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return jabber_send_message($address, $body);
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}
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function jabber_special_presence($type, $to=NULL, $show=NULL, $status=NULL) {
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$conn = jabber_connect();
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$to = htmlspecialchars($to);
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$status = htmlspecialchars($status);
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$out = "<presence";
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if($to) $out .= " to='$to'";
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if($type) $out .= " type='$type'";
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if($show == 'available' and !$status) {
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$out .= "/>";
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} else {
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$out .= ">";
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if($show && ($show != 'available')) $out .= "<show>$show</show>";
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if($status) $out .= "<status>$status</status>";
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$out .= "</presence>";
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}
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$conn->send($out);
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}
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function jabber_broadcast_notice($notice) {
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if (!common_config('xmpp', 'enabled')) {
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return true;
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}
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$profile = Profile::staticGet($notice->profile_id);
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if (!$profile) {
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common_log(LOG_WARNING, 'Refusing to broadcast notice with ' .
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'unknown profile ' . common_log_objstring($notice),
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__FILE__);
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return false;
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}
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$sent_to = array();
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# First, get users who this is a direct reply to
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$reply = new Reply();
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$reply->notice_id = $notice->id;
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if ($reply->find()) {
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while ($reply->fetch()) {
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$user = User::staticGet($reply->profile_id);
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if ($user && $user->jabber && $user->jabbernotify && $user->jabberreplies) {
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common_log(LOG_INFO,
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'Sending reply notice ' . $notice->id . ' to ' . $user->jabber,
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__FILE__);
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$success = jabber_send_notice($user->jabber, $notice);
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if ($success) {
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# Remember so we don't send twice
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$sent_to[$user->id] = true;
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} else {
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# XXX: Not sure, but I think that's the right thing to do
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common_log(LOG_WARNING,
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'Sending reply notice ' . $notice->id . ' to ' . $user->jabber . ' FAILED, cancelling.',
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__FILE__);
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return false;
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}
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}
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}
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}
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# Now, get users subscribed to this profile
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# XXX: use a join here rather than looping through results
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$sub = new Subscription();
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$sub->subscribed = $notice->profile_id;
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if ($sub->find()) {
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while ($sub->fetch()) {
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$user = User::staticGet($sub->subscriber);
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if ($user && $user->jabber && $user->jabbernotify && !$sent_to[$user->id]) {
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common_log(LOG_INFO,
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'Sending notice ' . $notice->id . ' to ' . $user->jabber,
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__FILE__);
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$success = jabber_send_notice($user->jabber, $notice);
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if ($success) {
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$sent_to[$user->id] = true;
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} else {
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# XXX: Not sure, but I think that's the right thing to do
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common_log(LOG_WARNING,
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'Sending notice ' . $notice->id . ' to ' . $user->jabber . ' FAILED, cancelling.',
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__FILE__);
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return false;
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}
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}
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}
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}
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# Now, users who want everything
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$public = common_config('xmpp', 'public');
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# FIXME PRIV don't send out private messages here
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if ($public) {
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foreach ($public as $address) {
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common_log(LOG_INFO,
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'Sending notice ' . $notice->id . ' to public listener ' . $address,
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__FILE__);
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jabber_send_notice($address, $notice);
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}
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}
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return true;
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}
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function jabber_format_notice(&$profile, &$notice) {
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return $profile->nickname . ': ' . $notice->content;
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}
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