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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* IMAP IO Manager
*
* PHP version 5
*
* LICENCE: 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/>.
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2009-2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ImapManager extends IoManager
{
protected $conn = null;
function __construct($plugin)
{
$this->plugin = $plugin;
}
/**
* Fetch the singleton manager for the current site.
* @return mixed ImapManager, or false if unneeded
*/
public static function get()
{
throw new Exception('ImapManager should be created using it\'s constructor, not the static get method');
}
/**
* Lists the IM connection socket to allow i/o master to wake
* when input comes in here as well as from the queue source.
*
* @return array of resources
*/
public function getSockets()
{
return array();
}
/**
* Tell the i/o master we need one instance for each supporting site
* being handled in this process.
*/
public static function multiSite()
{
return IoManager::INSTANCE_PER_SITE;
}
/**
* Initialize connection to server.
* @return boolean true on success
*/
public function start($master)
{
if(parent::start($master))
{
$this->conn = $this->connect();
return true;
}else{
return false;
}
}
public function handleInput($socket)
{
$this->check_mailbox();
return true;
}
public function poll()
{
return $this->check_mailbox() > 0;
}
function pollInterval()
{
return $this->plugin->poll_frequency;
}
protected function connect()
{
$this->conn = imap_open($this->plugin->mailbox, $this->plugin->user, $this->plugin->password);
if($this->conn){
common_log(LOG_INFO, "Connected");
return $this->conn;
}else{
common_log(LOG_INFO, "Failed to connect: " . imap_last_error());
return $this->conn;
}
}
protected function check_mailbox()
{
imap_ping($this->conn);
$count = imap_num_msg($this->conn);
common_log(LOG_INFO, "Found $count messages");
if($count > 0){
$handler = new IMAPMailHandler();
for($i=1; $i <= $count; $i++)
{
$rawmessage = imap_fetchheader($this->conn, $count, FT_PREFETCHTEXT) . imap_body($this->conn, $i);
$handler->handle_message($rawmessage);
imap_delete($this->conn, $i);
}
imap_expunge($this->conn);
common_log(LOG_INFO, "Finished processing messages");
}
return $count;
}
}
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