inc/poche/pocheTools.class.php

   1 <?php
   2 /**
   3  * poche, a read it later open source system
   4  *
   5  * @category   poche
   6  * @author     Nicolas Lœuillet <support@inthepoche.com>
   7  * @copyright  2013
   8  * @license    http://www.wtfpl.net/ see COPYING file
   9  */
  10
  11 class 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         $pattern = '|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
  42
  43         return preg_match($pattern, $url);
  44     }
  45
  46     public static function getUrl()
  47     {
  48         $https = (!empty($_SERVER['HTTPS'])
  49                     && (strtolower($_SERVER['HTTPS']) == 'on'))
  50             || (isset($_SERVER["SERVER_PORT"])
  51                     && $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
  52         $serverport = (!isset($_SERVER["SERVER_PORT"])
  53             || $_SERVER["SERVER_PORT"] == '80'
  54             || ($https && $_SERVER["SERVER_PORT"] == '443')
  55             ? '' : ':' . $_SERVER["SERVER_PORT"]);
  56
  57         $scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
  58
  59         if (!isset($_SERVER["SERVER_NAME"])) {
  60             return $scriptname;
  61         }
  62
  63         return 'http' . ($https ? 's' : '') . '://'
  64             . $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
  65     }
  66
  67     public static function redirect($url = '')
  68     {
  69         if ($url === '') {
  70             $url = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
  71             if (isset($_POST['returnurl'])) {
  72                 $url = $_POST['returnurl'];
  73             }
  74         }
  75
  76         # prevent loop
  77         if (empty($url) || parse_url($url, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
  78             $url = pocheTools::getUrl();
  79         }
  80
  81         if (substr($url, 0, 1) !== '?') {
  82             $ref = pocheTools::getUrl();
  83             if (substr($url, 0, strlen($ref)) !== $ref) {
  84                 $url = $ref;
  85             }
  86         }
  87         header('Location: '.$url);
  88         exit();
  89     }
  90
  91     public static function cleanURL($url)
  92     {
  93
  94         $url = html_entity_decode(trim($url));
  95
  96         $stuff = strpos($url,'&utm_source=');
  97         if ($stuff !== FALSE)
  98             $url = substr($url, 0, $stuff);
  99         $stuff = strpos($url,'?utm_source=');
 100         if ($stuff !== FALSE)
 101             $url = substr($url, 0, $stuff);
 102         $stuff = strpos($url,'#xtor=RSS-');
 103         if ($stuff !== FALSE)
 104             $url = substr($url, 0, $stuff);
 105
 106         return $url;
 107     }
 108
 109     public static function renderJson($data)
 110     {
 111         header('Cache-Control: no-cache, must-revalidate');
 112         header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
 113         header('Content-type: application/json; charset=UTF-8');
 114
 115         echo json_encode($data);
 116         exit();
 117     }
 118
 119     public static function logm($message)
 120     {
 121         if (DEBUG_POCHE) {
 122             $t = strval(date('Y/m/d_H:i:s')) . ' - ' . $_SERVER["REMOTE_ADDR"] . ' - ' . strval($message) . "\n";
 123             file_put_contents('./log.txt', $t, FILE_APPEND);
 124         }
 125     }
 126 }