tbl_get_field.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Provides download to a given field defined in parameters.
   5  *
   6  * @package PhpMyAdmin
   7  */
   8
   9 /**
  10  * Common functions.
  11  */
  12 // we don't want the usual PMA_Response-generated HTML above the column's data
  13 define('PMA_BYPASS_GET_INSTANCE', 1);
  14 require_once 'libraries/common.inc.php';
  15 require_once 'libraries/mime.lib.php';
  16
  17 /* Check parameters */
  18 PMA_Util::checkParameters(
  19     array('db', 'table')
  20 );
  21
  22 /* Select database */
  23 if (!$GLOBALS['dbi']->selectDb($db)) {
  24     PMA_Util::mysqlDie(
  25         sprintf(__('\'%s\' database does not exist.'), htmlspecialchars($db)),
  26         '', false
  27     );
  28 }
  29
  30 /* Check if table exists */
  31 if (!$GLOBALS['dbi']->getColumns($db, $table)) {
  32     PMA_Util::mysqlDie(__('Invalid table name'));
  33 }
  34
  35 /* Grab data */
  36 $sql = 'SELECT ' . PMA_Util::backquote($_GET['transform_key'])
  37     . ' FROM ' . PMA_Util::backquote($table)
  38     . ' WHERE ' . $_GET['where_clause'] . ';';
  39 $result = $GLOBALS['dbi']->fetchValue($sql);
  40
  41 /* Check return code */
  42 if ($result === false) {
  43     PMA_Util::mysqlDie(
  44         __('MySQL returned an empty result set (i.e. zero rows).'), $sql
  45     );
  46 }
  47
  48 /* Avoid corrupting data */
  49 @ini_set('url_rewriter.tags', '');
  50
  51 PMA_downloadHeader(
  52     $table . '-' .  $_GET['transform_key'] . '.bin',
  53     PMA_detectMIME($result),
  54     /*overload*/mb_strlen($result, '8bit')
  55 );
  56 echo $result;