initial commit

html/phpmyad/libraries/display_import_ajax.lib.php

@@ -0,0 +1,91 @@
+<?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));
+}
+?>