display_import_ajax.lib.php
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @package PhpMyAdmin
*/
if (!defined('PHPMYADMIN')) {
exit;
}
/**
* constant for differenciating array in $_SESSION variable
*/
$SESSION_KEY = '__upload_status';
/**
* sets default plugin for handling the import process
*/
$_SESSION[$SESSION_KEY]["handler"] = "";
/**
* unique ID for each upload
*/
$upload_id = uniqid("");
/**
* list of available plugins
*/
$plugins = array(
"uploadprogress",
"apc",
"noplugin"
); // available plugins. Each plugin has own checkfunction in display_import_ajax.lib.php and own file with functions in upload_#KEY#.php
// select available plugin
foreach ($plugins as $plugin) {
$check = "PMA_import_" . $plugin . "Check";
if ($check()) {
$_SESSION[$SESSION_KEY]["handler"] = $plugin;
include_once "import/upload/" . $plugin . ".php";
break;
}
}
/**
* Checks if APC bar extension is available and configured correctly.
*
* @return true if APC extension is available and if rfc1867 is enabled, false if it is not
*/
function PMA_import_apcCheck()
{
if (! extension_loaded('apc') || ! function_exists('apc_fetch') || ! function_exists('getallheaders')) {
return false;
}
return (ini_get('apc.enabled') && ini_get('apc.rfc1867'));
}
/**
* Checks if UploadProgress bar extension is available.
*
* @return true if UploadProgress extension is available, false if it is not
*/
function PMA_import_uploadprogressCheck()
{
if (! function_exists("uploadprogress_get_info") || ! function_exists('getallheaders')) {
return false;
}
return true;
}
/**
* Default plugin for handling import. If no other plugin is available, noplugin is used.
*
* @return true
*/
function PMA_import_nopluginCheck()
{
return true;
}
/**
* The function outputs json encoded status of uploaded. It uses PMA_getUploadStatus, which is defined in plugin's file.
*
* @param $id - ID of transfer, usually $upload_id from display_import_ajax.lib.php
*/
function PMA_importAjaxStatus($id)
{
header('Content-type: application/json');
echo json_encode(PMA_getUploadStatus($id));
}
?>