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 require_once 'libraries/common.inc.php';
  13 require_once 'libraries/mime.lib.php';
  14
  15 /**
  16  * Sets globals from $_GET
  17  */
  18 $get_params = array(
  19     'where_clause',
  20     'transform_key'
  21 );
  22
  23 foreach ($get_params as $one_get_param) {
  24     if (isset($_GET[$one_get_param])) {
  25         $GLOBALS[$one_get_param] = $_GET[$one_get_param];
  26     }
  27 }
  28
  29 /* Check parameters */
  30 PMA_Util::checkParameters(
  31     array('db', 'table', 'where_clause', 'transform_key')
  32 );
  33
  34 /* Select database */
  35 if (!PMA_DBI_select_db($db)) {
  36     PMA_Util::mysqlDie(
  37         sprintf(__('\'%s\' database does not exist.'), htmlspecialchars($db)),
  38         '', ''
  39     );
  40 }
  41
  42 /* Check if table exists */
  43 if (!PMA_DBI_get_columns($db, $table)) {
  44     PMA_Util::mysqlDie(__('Invalid table name'));
  45 }
  46
  47 /* Grab data */
  48 $sql = 'SELECT ' . PMA_Util::backquote($transform_key)
  49     . ' FROM ' . PMA_Util::backquote($table)
  50     . ' WHERE ' . $where_clause . ';';
  51 $result = PMA_DBI_fetch_value($sql);
  52
  53 /* Check return code */
  54 if ($result === false) {
  55     PMA_Util::mysqlDie(__('MySQL returned an empty result set (i.e. zero rows).'), $sql);
  56 }
  57
  58 /* Avoid corrupting data */
  59 @ini_set('url_rewriter.tags', '');
  60
  61 PMA_downloadHeader(
  62     $table . '-' .  $transform_key . '.bin',
  63     PMA_detectMIME($result),
  64     strlen($result)
  65 );
  66 echo $result;
  67 ?>