schema_export.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Schema export handler
   5  *
   6  * @package PhpMyAdmin
   7  */
   8
   9 /**
  10  * Gets some core libraries
  11  */
  12 require_once 'libraries/common.inc.php';
  13 require 'libraries/StorageEngine.class.php';
  14
  15 /**
  16  * get all variables needed for exporting relational schema
  17  * in $cfgRelation
  18  */
  19 $cfgRelation = PMA_getRelationsParam();
  20
  21 require_once 'libraries/Index.class.php';
  22 require_once 'libraries/pmd_common.php';
  23 require_once 'libraries/plugin_interface.lib.php';
  24
  25 /**
  26  * get all the export options and verify
  27  * call and include the appropriate Schema Class depending on $export_type
  28  * default is PDF
  29  */
  30
  31 $post_params = array(
  32     'db'
  33 );
  34 foreach ($post_params as $one_post_param) {
  35     if (isset($_REQUEST[$one_post_param])) {
  36         $GLOBALS[$one_post_param] = $_REQUEST[$one_post_param];
  37     }
  38 }
  39
  40 if (isset($_REQUEST['offline_export'])) {
  41     $_REQUEST['page_number'] = -1;
  42     PMA_processExportSchema($_REQUEST['export_type']);
  43 } else {
  44     $temp_page = PMA_createNewPage("_temp" . rand(), $GLOBALS['db']);
  45     try {
  46         PMA_saveTablePositions($temp_page);
  47         $_REQUEST['page_number'] = $temp_page;
  48         PMA_processExportSchema($_REQUEST['export_type']);
  49         PMA_deletePage($temp_page);
  50     } catch (Exception $e) {
  51         PMA_deletePage($temp_page); // delete temp page even if an exception occured
  52         throw $e;
  53     }
  54 }
  55
  56 /**
  57  * get all the export options and verify
  58  * call and include the appropriate Schema Class depending on $export_type
  59  *
  60  * @param string $export_type format of the export
  61  *
  62  * @return void
  63  */
  64 function PMA_processExportSchema($export_type)
  65 {
  66     /**
  67      * default is PDF, otherwise validate it's only letters a-z
  68      */
  69     if (! isset($export_type) || ! preg_match('/^[a-zA-Z]+$/', $export_type)) {
  70         $export_type = 'pdf';
  71     }
  72
  73     // sanitize this parameter which will be used below in a file inclusion
  74     $export_type = PMA_securePath($export_type);
  75
  76     // get the specific plugin
  77     $export_plugin = PMA_getPlugin(
  78         "schema",
  79         $export_type,
  80         'libraries/plugins/schema/'
  81     );
  82
  83     // Check schema export type
  84     if (! isset($export_plugin)) {
  85         PMA_fatalError(__('Bad type!'));
  86     }
  87
  88     $GLOBALS['dbi']->selectDb($GLOBALS['db']);
  89     $export_plugin->exportSchema($GLOBALS['db']);
  90 }
  91 ?>