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-rw-r--r--inc/pocheTool.class.php101
1 files changed, 101 insertions, 0 deletions
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1<?php
2/**
3 * poche, a read it later open source system
4 *
5 * @category poche
6 * @author Nicolas LÅ“uillet <support@inthepoche.com>
7 * @copyright 2013
8 * @license http://www.wtfpl.net/ see COPYING file
9 */
10
11class pocheTools
12{
13 public static function initPhp()
14 {
15 define('START_TIME', microtime(true));
16
17 if (phpversion() < 5) {
18 die(_('Oops, it seems you don\'t have PHP 5.'));
19 }
20
21 error_reporting(E_ALL);
22
23 function stripslashesDeep($value) {
24 return is_array($value)
25 ? array_map('stripslashesDeep', $value)
26 : stripslashes($value);
27 }
28
29 if (get_magic_quotes_gpc()) {
30 $_POST = array_map('stripslashesDeep', $_POST);
31 $_GET = array_map('stripslashesDeep', $_GET);
32 $_COOKIE = array_map('stripslashesDeep', $_COOKIE);
33 }
34
35 ob_start();
36 register_shutdown_function('ob_end_flush');
37 }
38
39 public static function isUrl($url)
40 {
41 // http://neo22s.com/check-if-url-exists-and-is-online-php/
42 $pattern='|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
43
44 return preg_match($pattern, $url);
45 }
46
47 public static function getUrl()
48 {
49 $https = (!empty($_SERVER['HTTPS'])
50 && (strtolower($_SERVER['HTTPS']) == 'on'))
51 || (isset($_SERVER["SERVER_PORT"])
52 && $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
53 $serverport = (!isset($_SERVER["SERVER_PORT"])
54 || $_SERVER["SERVER_PORT"] == '80'
55 || ($https && $_SERVER["SERVER_PORT"] == '443')
56 ? '' : ':' . $_SERVER["SERVER_PORT"]);
57
58 $scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
59
60 if (!isset($_SERVER["SERVER_NAME"])) {
61 return $scriptname;
62 }
63
64 return 'http' . ($https ? 's' : '') . '://'
65 . $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
66 }
67
68 public static function renderJson($data)
69 {
70 header('Cache-Control: no-cache, must-revalidate');
71 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
72 header('Content-type: application/json; charset=UTF-8');
73
74 echo json_encode($data);
75 exit();
76 }
77
78 public static function redirect($rurl = '')
79 {
80 if ($rurl === '') {
81 $rurl = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
82 if (isset($_POST['returnurl'])) {
83 $rurl = $_POST['returnurl'];
84 }
85 }
86
87 // prevent loop
88 if (empty($rurl) || parse_url($rurl, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
89 $rurl = pocheTool::getUrl();
90 }
91
92 if (substr($rurl, 0, 1) !== '?') {
93 $ref = pocheTool::getUrl();
94 if (substr($rurl, 0, strlen($ref)) !== $ref) {
95 $rurl = $ref;
96 }
97 }
98 header('Location: '.$rurl);
99 exit();
100 }
101} \ No newline at end of file