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<?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/>.
*/
define('INSTALLDIR', dirname(__FILE__));
define('LACONICA', true);
require_once(INSTALLDIR . '/lib/common.php');
require_once('xmpp.php');
class XMPPDaemon {
function XMPPDaemon() {
foreach (array('server', 'port', 'user', 'password', 'resource') as $attr) {
$this->$attr = common_config('xmpp', $attr);
}
}
function connect() {
$this->conn = new XMPP($this->host, $this->port, $this->user,
$this->password, $this->resource);
if (!$this->conn) {
return false;
}
$this->conn->connect();
return !$this->conn->disconnected;
}
function handle() {
while(!$this->conn->disconnected) {
$payloads = $this->conn->processUntil(array('message', 'presence',
'end_stream', 'session_start'));
foreach($payloads as $event) {
$pl = $event[1];
switch($event[0]) {
case 'message':
$this->handle_message($pl);
break;
case 'presence':
$this->handle_presence($pl);
break;
case 'session_start':
$this->handle_session($pl);
break;
}
}
}
}
function handle_message(&$pl) {
$user = User::staticGet('jabber', $pl['from']);
if (!$user) {
$this->log(LOG_WARNING, 'Message from unknown user ' . $pl['from']);
return;
}
if ($this->handle_command($user, $pl['body'])) {
return;
} else {
$this->add_notice($user, $pl);
}
}
function handle_command($user, $body) {
# XXX: localise
switch(trim($body)) {
case 'on':
$this->set_notify($user, true);
return true;
case 'off':
$this->set_notify($user, false);
return true;
default:
return false;
}
}
function set_notify(&$user, $notify) {
$orig = clone($user);
$user->jabbernotify = $notify;
$result = $user->update($orig);
if (!$id) {
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
$this->log(LOG_ERROR,
'Could not set notify flag to ' . $notify .
' for user ' . common_log_objstring($user) .
': ' . $last_error->message);
} else {
$this->log(LOG_INFO,
'User ' . $user->nickname . ' set notify flag to ' . $notify);
}
}
function add_notice(&$user, &$pl) {
$notice = new Notice();
$notice->profile_id = $user->id;
$notice->content = trim(substr($pl['body'], 0, 140));
$notice->created = DB_DataObject_Cast::dateTime();
$notice->query('BEGIN');
$id = $notice->insert();
if (!$id) {
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
$this->log(LOG_ERROR,
'Could not insert ' . common_log_objstring($notice) .
' for user ' . common_log_objstring($user) .
': ' . $last_error->message);
return;
}
$orig = clone($notice);
$notice->uri = common_notice_uri($notice);
$result = $notice->update($orig);
if (!$result) {
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
$this->log(LOG_ERROR,
'Could not add URI to ' . common_log_objstring($notice) .
' for user ' . common_log_objstring($user) .
': ' . $last_error->message);
return;
}
common_broadcast_notice($notice);
$this->log(LOG_INFO,
'Added notice ' . $notice->id . ' from user ' . $user->nickname);
}
function handle_presence(&$pl) {
$user = User::staticGet('jabber', $pl['from']);
if (!$user) {
$this->log(LOG_WARNING, 'Message from unknown user ' . $pl['from']);
return;
}
if ($user->updatefrompresence) {
$this->add_notice($user, $pl);
}
}
function handle_session(&$pl) {
$conn->presence($status="Send me a message to post a notice");
}
function log($level, $msg) {
common_log($level, 'XMPPDaemon('.$this->resource.'): '.$msg);
}
}
?>
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