phpmyadmin/libraries/plugins/import/upload/UploadSession.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Provides upload functionalities for the import plugins
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 /* Get the transformations interface */
  13 require_once 'libraries/plugins/UploadInterface.int.php';
  14
  15 /**
  16  * Implementation for session
  17  *
  18  * @package PhpMyAdmin
  19  */
  20 class UploadSession implements UploadInterface
  21 {
  22     /**
  23      * Gets the specific upload ID Key
  24      *
  25      * @return string ID Key
  26      */
  27     public static function getIdKey()
  28     {
  29         return ini_get('session.upload_progress.name');
  30     }
  31
  32     /**
  33      * Returns upload status.
  34      *
  35      * This is implementation for session.upload_progress in PHP 5.4+.
  36      *
  37      * @param string $id upload id
  38      *
  39      * @return array|null
  40      */
  41     public static function getUploadStatus($id)
  42     {
  43         global $SESSION_KEY;
  44
  45         if (trim($id) == '') {
  46             return null;
  47         }
  48
  49         if (! array_key_exists($id, $_SESSION[$SESSION_KEY])) {
  50             $_SESSION[$SESSION_KEY][$id] = array(
  51                 'id'       => $id,
  52                 'finished' => false,
  53                 'percent'  => 0,
  54                 'total'    => 0,
  55                 'complete' => 0,
  56                 'plugin'   => UploadSession::getIdKey()
  57             );
  58         }
  59         $ret = $_SESSION[$SESSION_KEY][$id];
  60
  61         if (! PMA_import_sessionCheck() || $ret['finished']) {
  62             return $ret;
  63         }
  64
  65         $status = false;
  66         $sessionkey = ini_get('session.upload_progress.prefix') . $id;
  67
  68         if (isset($_SESSION[$sessionkey])) {
  69             $status = $_SESSION[$sessionkey];
  70         }
  71
  72         if ($status) {
  73             $ret['finished'] = $status['done'];
  74             $ret['total']    = $status['content_length'];
  75             $ret['complete'] = $status['bytes_processed'];
  76
  77             if ($ret['total'] > 0) {
  78                 $ret['percent'] = $ret['complete'] / $ret['total'] * 100;
  79             }
  80         } else {
  81             $ret = array(
  82                 'id'       => $id,
  83                 'finished' => true,
  84                 'percent'  => 100,
  85                 'total'    => $ret['total'],
  86                 'complete' => $ret['total'],
  87                 'plugin'   => UploadSession::getIdKey()
  88             );
  89         }
  90
  91         $_SESSION[$SESSION_KEY][$id] = $ret;
  92
  93         return $ret;
  94     }
  95 }
  96 ?>