import_status.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Import progress bar backend
   5  *
   6  * @package PhpMyAdmin
   7  */
   8
   9 /* PHP 5.4 stores upload progress data only in the default session.
  10  * After calling session_name(), we won't find the progress data anymore.
  11  *
  12  * https://bugs.php.net/bug.php?id=64075
  13  *
  14  * The bug should be somewhere in
  15  * https://github.com/php/php-src/blob/master/ext/session/session.c#L2342
  16  *
  17  * Until this is fixed, we need to load the default session to load the data,
  18  * export the upload progress information from there,
  19  * and re-import after switching to our session.
  20  */
  21
  22 if (version_compare(PHP_VERSION, '5.4.0', '>=')
  23     && ini_get('session.upload_progress.enabled')
  24 ) {
  25
  26     $sessionupload = array();
  27     define('UPLOAD_PREFIX', ini_get('session.upload_progress.prefix'));
  28
  29     session_start();
  30     foreach ($_SESSION as $key => $value) {
  31         // only copy session-prefixed data
  32         if (substr($key, 0, strlen(UPLOAD_PREFIX)) == UPLOAD_PREFIX) {
  33             $sessionupload[$key] = $value;
  34         }
  35     }
  36     // PMA will kill all variables, so let's use a constant
  37     define('SESSIONUPLOAD', serialize($sessionupload));
  38     session_write_close();
  39
  40     session_name('phpMyAdmin');
  41     session_id($_COOKIE['phpMyAdmin']);
  42 }
  43
  44 define('PMA_MINIMUM_COMMON', 1);
  45
  46 require_once 'libraries/common.inc.php';
  47 require_once 'libraries/display_import_ajax.lib.php';
  48
  49 if (defined('SESSIONUPLOAD')) {
  50     // write sessionupload back into the loaded PMA session
  51
  52     $sessionupload = unserialize(SESSIONUPLOAD);
  53     foreach ($sessionupload as $key => $value) {
  54         $_SESSION[$key] = $value;
  55     }
  56
  57     // remove session upload data that are not set anymore
  58     foreach ($_SESSION as $key => $value) {
  59         if (substr($key, 0, strlen(UPLOAD_PREFIX)) == UPLOAD_PREFIX
  60             && ! isset($sessionupload[$key])
  61         ) {
  62             unset($_SESSION[$key]);
  63         }
  64     }
  65 }
  66
  67 // AJAX requests can't be cached!
  68 PMA_noCacheHeader();
  69
  70 // $_GET["message"] is used for asking for an import message
  71 if (isset($_GET["message"]) && $_GET["message"]) {
  72
  73     header('Content-type: text/html');
  74
  75     // wait 0.3 sec before we check for $_SESSION variable,
  76     // which is set inside import.php
  77     usleep(300000);
  78
  79     // wait until message is available
  80     while ($_SESSION['Import_message']['message'] == null) {
  81         usleep(250000); // 0.25 sec
  82     }
  83
  84     echo $_SESSION['Import_message']['message'];
  85     echo '<fieldset class="tblFooters">' . "\n";
  86     echo '    [ <a href="' . $_SESSION['Import_message']['go_back_url']
  87         . '">' . __('Back') . '</a> ]' . "\n";
  88     echo '</fieldset>'."\n";
  89
  90 } else {
  91     PMA_importAjaxStatus($_GET["id"]);
  92 }
  93 ?>