ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
class.ilRobotSettings.php
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1<?php
2/*
3 +-----------------------------------------------------------------------------+
4 | ILIAS open source |
5 +-----------------------------------------------------------------------------+
6 | Copyright (c) 1998-2006 ILIAS open source, University of Cologne |
7 | |
8 | This program is free software; you can redistribute it and/or |
9 | modify it under the terms of the GNU General Public License |
10 | as published by the Free Software Foundation; either version 2 |
11 | of the License, or (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21 +-----------------------------------------------------------------------------+
22*/
23
33{
34 private $open_robots = false;
35 private $settings = null;
36
37 private static $instance = null;
45 private function __construct()
46 {
47 global $ilSetting;
48
49 $this->settings = $ilSetting;
50 $this->read();
51 }
52
61 public static function _getInstance()
62 {
63 if (isset(self::$instance) and self::$instance) {
64 return self::$instance;
65 } else {
66 return self::$instance = new ilRobotSettings();
67 }
68 }
69
76 public function robotSupportEnabled()
77 {
78 return (bool) $this->open_robots;
79 }
80
87 private function read()
88 {
89 $this->open_robots = (bool) $this->settings->get('open_google', false);
90 }
91
92
99 public function checkRewrite()
100 {
101 if (!function_exists('apache_lookup_uri')) {
102 return true;
103 }
104
105 $url = ILIAS_HTTP_PATH . '/goto_' . CLIENT_ID . '_root_1.html';
106 $status_info = @apache_lookup_uri($url);
107
108 // fallback for php as cgi (and available remote fopen)
109 if ($status_info === false && ini_get('allow_url_fopen')) {
110 // fopen respects HTTP error codes
111 $fp = @fopen($url, 'r');
112 if ($fp) {
113 fclose($fp);
114 return true;
115 }
116 return false;
117 }
118
119 return $status_info->status == 200;
120 }
121}
An exception for terminatinating execution or to throw for unit testing.
robotSupportEnabled()
Check if client is open for robots.
checkRewrite()
Indirect Check of allow override.
read()
Read settings.
__construct()
Private constructor => use getInstance.
static _getInstance()
Get instance.
global $ilSetting
Definition: privfeed.php:17
$url
settings()
Definition: settings.php:2