davadmin/admin/getgroups.php

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<?php
/**
* AJAX autocompletion code for group names.
*
* @author Jan Dittberner <jan@dittberner.info>
* @version $Id$
* @license GPL
* @package DAVAdmin
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*
* Copyright (c) 2007 Jan Dittberner
*
* This file is part of DAVAdmin.
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*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
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if (!isset($_SERVER['DavAdminConfDir'])) {
header('HTTP/1.0 500 Internal Server Error');
header('Status: 500 Internal Server Error');
header('Content-Type: text/plain;charset=utf8');
print("The Server is not configured correctly. " .
"Please tell your Administrator to set the " .
"DavAdminConfDir environment variable.");
exit();
}
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/** Include configuration information. */
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require_once($_SERVER['DavAdminConfDir'] . '/config.inc.php');
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// output is plain text (JSON or an error message)
header("Content-Type: text/plain; charset=UTF-8");
/**
* Gets group names for autocompletion.
*
* @param string $part Comma separated list of groups and beginning of
* a new group entry
* @return list of Comma separated lists of groups
*/
function getGroups($part) {
$regexp = '%(?:^|,\ *)("(?>[^"]*)(?>""[^"]* )*"|(?: [^",]*))%x';
preg_match_all($regexp, $part, $matches);
$array = $matches[1];
$last_string = trim(array_pop($array));
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$retval = array();
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if ($last_string != '') {
$prefix = count($array) ? implode(",", $array) . ", ": '';
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$groups = file($GLOBALS['davconfig']['group.file']);
foreach ($groups as $line) {
list($group, $users) = explode(":", $line);
$group = trim($group);
if (stripos($group, $last_string) === 0) {
$retval[$prefix . $group] = $group;
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}
}
}
return json_encode($retval);
}
// split group list part from requested URL.
$parts = substr($_SERVER['PHP_SELF'], strrpos($_SERVER['PHP_SELF'], "/") + 1);
print getGroups($parts);
?>