rfe #1025696 [browse] Add direct download of binary fields.

ChangeLog

@@ -28,6 +28,7 @@ $HeadURL: https://phpmyadmin.svn.sourceforge.net/svnroot/phpmyadmin/trunk/phpMyA
 + rfe #2835109 [interface] Move ^1 to the end of message.
 + rfe #854911  [interface] Grey out non applicable actions in structure 
 + [interface] Allow to create new table from navigation frame (in light mode).
++ rfe #1025696 [browse] Add direct download of binary fields.
 
 3.3.0.0 (not yet released)
 + rfe #2308632 [edit] Use hex for (var)binary fields,

libraries/display_tbl.lib.php

@@ -1320,7 +1320,7 @@ function PMA_displayTableBody(&$dt_result, &$is_display, $map, $analyzed_sql) {
                     if ($bs_reference_exists) {
                         $blobtext = PMA_BS_CreateReferenceLink($row[$i], $db);
                     } else {
-                        $blobtext = PMA_handle_non_printable_contents('BLOB', (isset($row[$i]) ? $row[$i] : ''), $transform_function, $transform_options, $default_function, $meta);
+                        $blobtext = PMA_handle_non_printable_contents('BLOB', (isset($row[$i]) ? $row[$i] : ''), $transform_function, $transform_options, $default_function, $meta, $_url_params);
                     }
 
                     $vertical_display['data'][$row_no][$i]      = '    <td align="left"' . $mouse_events . ' class="' . $class . ($condition_field ? ' condition' : '') . '">' . $blobtext . '</td>';
@@ -1376,7 +1376,7 @@ function PMA_displayTableBody(&$dt_result, &$is_display, $map, $analyzed_sql) {
                         } else {
                             // we show the BINARY message and field's size
                             // (or maybe use a transformation)
-                            $row[$i] = PMA_handle_non_printable_contents('BINARY', $row[$i], $transform_function, $transform_options, $default_function, $meta);
+                            $row[$i] = PMA_handle_non_printable_contents('BINARY', $row[$i], $transform_function, $transform_options, $default_function, $meta, $_url_params);
                         }
                     }
 
@@ -2248,7 +2248,7 @@ function PMA_displayResultsOperations($the_disp_mode, $analyzed_sql) {
  * @param   object  $meta   the meta-information about this field
  * @return  mixed  string or float
  */
-function PMA_handle_non_printable_contents($category, $content, $transform_function, $transform_options, $default_function, $meta) {
+function PMA_handle_non_printable_contents($category, $content, $transform_function, $transform_options, $default_function, $meta, $url_params = array()) {
     $result = '[' . $category;
     if (is_null($content)) {
         $result .= ' - NULL';
@@ -2272,6 +2272,10 @@ function PMA_handle_non_printable_contents($category, $content, $transform_funct
                 // in this case, restart from the original $content
                 $result = htmlspecialchars(PMA_replace_binary_contents($content));
             }
+            /* Create link to download */
+            if (count($url_params) > 0) {
+                $result = '<a href="tbl_get_field.php' . PMA_generate_common_url($url_params) . '">' . $result . '</a>';
+            }
         }
     }
     return($result);

tbl_get_field.php

@@ -0,0 +1,45 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Displays table structure infos like fields/columns, indexes, size, rows
+ * and allows manipulation of indexes and columns/fields
+ * @version $Id$
+ * @package phpMyAdmin
+ */
+
+/**
+ *
+ */
+require_once './libraries/common.inc.php';
+
+/**
+ * Gets tables informations
+ */
+require_once './libraries/tbl_info.inc.php';
+
+PMA_checkParameters(array('db', 'table', 'where_clause', 'transform_key'));
+
+if (!PMA_DBI_get_columns($db, $table)) {
+    PMA_mysqlDie($strInvalidTableName);
+}
+
+$result = PMA_DBI_fetch_value('SELECT ' . PMA_backquote($transform_key) . ' FROM ' . PMA_backquote($table) . ' WHERE ' . $where_clause . ';');
+
+/* Avoid corrupting data */
+@ini_set('url_rewriter.tags','');
+
+header('Content-Type: application/octet-stream');
+header('Expires: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Content-Disposition: attachment; filename="' . $table . '-' .  $transform_key . '.bin"');
+if (PMA_USR_BROWSER_AGENT == 'IE') {
+    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+    header('Pragma: public');
+} else {
+    header('Pragma: no-cache');
+    // test case: exporting a database into a .gz file with Safari
+    // would produce files not having the current time
+    // (added this header for Safari but should not harm other browsers)
+    header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+}
+echo $result;
+?>