import_status.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @package PhpMyAdmin
   6  */
   7
   8 /* PHP 5.4 stores upload progress data only in the default session.
   9  * After calling session_name(), we won't find the progress data anymore.
  10
  11  * The bug should be somewhere in
  12  * https://github.com/php/php-src/blob/master/ext/session/session.c#L2342
  13
  14  * Until this is fixed, we need to load the default session to load the data.
  15  * As we cannot load the phpMyAdmin-session after that, we will try to do
  16  * an internal POST request to call ourselves in a new instance.
  17  * That POST request grabs the transmitted upload data and stores them.
  18  *
  19  * TODO: The internal HTTP request may fail if the DNS name cannot be resolved
  20  * or if a firewall blocks outgoing requests on the used port.
  21  */
  22
  23 if (version_compare(PHP_VERSION, '5.4.0', '>=')
  24     && ini_get('session.upload_progress.enabled')
  25 ) {
  26
  27     $sessionupload = array();
  28     define('UPLOAD_PREFIX', ini_get('session.upload_progress.prefix'));
  29
  30     session_start();
  31     foreach ($_SESSION as $key => $value) {
  32         // only copy session-prefixed data
  33         if (substr($key, 0, strlen(UPLOAD_PREFIX)) == UPLOAD_PREFIX) {
  34             $sessionupload[$key] = $value;
  35         }
  36     }
  37     // PMA will kill all variables, so let's use a constant
  38     define('SESSIONUPLOAD', serialize($sessionupload));
  39     session_write_close();
  40
  41     session_name('phpMyAdmin');
  42     session_id($_COOKIE['phpMyAdmin']);
  43 }
  44
  45 define('PMA_MINIMUM_COMMON', 1);
  46
  47 require_once 'libraries/common.inc.php';
  48 require_once 'libraries/display_import_ajax.lib.php';
  49
  50 if (defined('SESSIONUPLOAD')) {
  51     // write sessionupload back into the loaded PMA session
  52
  53     $sessionupload = unserialize(SESSIONUPLOAD);
  54     foreach ($sessionupload as $key => $value) {
  55         $_SESSION[$key] = $value;
  56     }
  57
  58     // remove session upload data that are not set anymore
  59     foreach ($_SESSION as $key => $value) {
  60         if (substr($key, 0, strlen(UPLOAD_PREFIX)) == UPLOAD_PREFIX
  61             && ! isset($sessionupload[$key])
  62         ) {
  63             unset($_SESSION[$key]);
  64         }
  65     }
  66 }
  67
  68 /**
  69  * Sets globals from $_GET
  70  */
  71 $get_params = array(
  72     'message',
  73     'id'
  74 );
  75 foreach ($get_params as $one_get_param) {
  76     if (isset($_GET[$one_get_param])) {
  77         $GLOBALS[$one_get_param] = $_GET[$one_get_param];
  78     }
  79 }
  80
  81 // AJAX requests can't be cached!
  82 PMA_noCacheHeader();
  83
  84 // $GLOBALS["message"] is used for asking for an import message
  85 if (isset($GLOBALS["message"]) && $GLOBALS["message"]) {
  86
  87     header('Content-type: text/html');
  88
  89     // wait 0.3 sec before we check for $_SESSION variable,
  90     // which is set inside import.php
  91     usleep(300000);
  92
  93     // wait until message is available
  94     while ($_SESSION['Import_message']['message'] == null) {
  95         usleep(250000); // 0.25 sec
  96     }
  97
  98     echo $_SESSION['Import_message']['message'];
  99     echo '<fieldset class="tblFooters">' . "\n";
 100     echo '    [ <a href="' . $_SESSION['Import_message']['go_back_url']
 101         . '">' . __('Back') . '</a> ]' . "\n";
 102     echo '</fieldset>'."\n";
 103
 104 } else {
 105     PMA_importAjaxStatus($GLOBALS["id"]);
 106 }
 107 ?>