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     if (!isset($_POST['session_upload_progress'])) {
  28         $sessionupload = array();
  29         $prefix = ini_get('session.upload_progress.prefix');
  30
  31         session_start();
  32         foreach ($_SESSION as $key => $value) {
  33             // only copy session-prefixed data
  34             if (substr($key, 0, strlen($prefix)) == $prefix) {
  35                 $sessionupload[$key] = $value;
  36             }
  37         }
  38
  39         // perform internal self-request
  40         $url = 'http' .
  41             ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 's' : '') .
  42             '://' . $_SERVER['HTTP_HOST'] .
  43             $_SERVER['REQUEST_URI'];
  44
  45         if (!function_exists('curl_exec') || !function_exists('getallheaders')) {
  46             die();
  47         }
  48         $headers = @getallheaders();
  49         if (!isset($headers['Cookie'])) {
  50             die();
  51         }
  52         $ch = curl_init($url);
  53         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  54         curl_setopt(
  55             $ch, CURLOPT_POSTFIELDS,
  56             'session_upload_progress=' . rawurlencode(serialize($sessionupload))
  57         );
  58         curl_setopt($ch, CURLOPT_COOKIE, $headers['Cookie']);
  59         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
  60         curl_setopt($ch, CURLOPT_TIMEOUT, 3);
  61
  62         // to avoid problems with self-signed certs
  63         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
  64         curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
  65
  66         // show the result of the internal request
  67         echo @curl_exec($ch);
  68         die();
  69     }
  70 }
  71
  72 require_once 'libraries/common.inc.php';
  73 require_once 'libraries/display_import_ajax.lib.php';
  74
  75 if (isset($_POST['session_upload_progress'])) {
  76     // this is the internal request response
  77     // restore sessionupload from the POSTed data (see above),
  78     // then write sessionupload back into the loaded session
  79
  80     $sessionupload = unserialize($_POST['session_upload_progress']);
  81     foreach ($sessionupload as $key => $value) {
  82         $_SESSION[$key] = $value;
  83     }
  84 }
  85
  86 /**
  87  * Sets globals from $_GET
  88  */
  89 $get_params = array(
  90     'message',
  91     'id'
  92 );
  93 foreach ($get_params as $one_get_param) {
  94     if (isset($_GET[$one_get_param])) {
  95         $GLOBALS[$one_get_param] = $_GET[$one_get_param];
  96     }
  97 }
  98
  99 // AJAX requests can't be cached!
 100 PMA_no_cache_header();
 101
 102 // $GLOBALS["message"] is used for asking for an import message
 103 if (isset($GLOBALS["message"]) && $GLOBALS["message"]) {
 104
 105     header('Content-type: text/html');
 106
 107     // wait 0.3 sec before we check for $_SESSION variable, which is set inside import.php
 108     usleep(300000);
 109
 110     // wait until message is available
 111     while ($_SESSION['Import_message']['message'] == null) {
 112         usleep(250000); // 0.25 sec
 113     }
 114
 115     echo $_SESSION['Import_message']['message'];
 116     echo '<fieldset class="tblFooters">' . "\n";
 117     echo '    [ <a href="' . $_SESSION['Import_message']['go_back_url'] . '">' . __('Back') . '</a> ]' . "\n";
 118     echo '</fieldset>'."\n";
 119
 120 } else {
 121     PMA_importAjaxStatus($GLOBALS["id"]);
 122 }
 123 ?>