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<?php
/**
* Implementation of the Quota API for a generic hook function. This
* requires hook_get_quota to be set in config/hooks.php . The
* function takes an array as argument and returns an array where the
* first item is the disk space used in bytes and the second the
* maximum diskspace in bytes. See there for an example.
*
* You must configure this driver in horde/imp/config/servers.php. The
* driver supports the following parameters:
* 'params' => Array of parameters to pass to the quota function.
*
* $Horde: imp/lib/Quota/hook.php,v 1.1.2.2 2008/03/20 16:39:32 jan Exp $
*
* Copyright 2002-2008 The Horde Project (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (GPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
*
* @author Michael Redinger <Michael.Redinger@uibk.ac.at>
* @package IMP_Quota
*/
class IMP_Quota_hook extends IMP_Quota {
/**
* Constructor
*
* @param array $params Hash containing connection parameters.
*/
function IMP_Quota_hook($params = array())
{
$this->_params = array_merge($this->_params, $params);
}
/**
* Get quota information (used/allocated), in bytes.
*
* @return mixed An associative array.
* 'limit' = Maximum quota allowed
* 'usage' = Currently used portion of quota (in bytes)
* Returns PEAR_Error on failure.
*/
function getQuota()
{
$quota = Horde::callHook('_imp_hook_quota', $this->_params, 'imp');
if (is_a($quota, 'PEAR_Error')) {
return $quota;
}
if (count($quota) != 2) {
Horde::logMessage('Incorrect number of return values from quota hook.', __FILE__, __LINE__, PEAR_LOG_ERR);
return PEAR::raiseError(_("Unable to retrieve quota"), 'horde.error');
}
return array('usage' => $quota[0], 'limit' => $quota[1]);
}
}
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