Enable Media Replace - Version 2.4

Version Description

  • Bug fixes, security fixes. Thanks to my old pal Ulf "rsta" Hrnhammar for pointing them out!
  • New method for uploading avoids going around WP, for greater security.
Download this release

Release Info

Developer MungoBBQ
Plugin Icon 128x128 Enable Media Replace
Version 2.4
Comparing to
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Code changes from version 2.3 to 2.4

Files changed (4) hide show
  1. enable-media-replace.php +11 -5
  2. popup.php +8 -3
  3. readme.txt +5 -1
  4. upload.php +35 -28
enable-media-replace.php CHANGED
@@ -3,7 +3,7 @@
3
Plugin Name: Enable Media Replace
4
Plugin URI: http://www.mansjonasson.se/enable-media-replace
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Description: Enable replacing media files by uploading a new file in the "Edit Media" section of the WordPress Media Library.
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- Version: 2.3
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Author: M�ns Jonasson
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Author URI: http://www.mansjonasson.se
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@@ -24,7 +24,6 @@ Developed for .SE (Stiftelsen f
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* @subpackage enable-media-replace
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*
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*/
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- //ini_set("display_errors", "on");
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add_action( 'admin_init', 'enable_media_replace_init' );
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add_action('admin_menu', 'emr_menu');
@@ -55,9 +54,9 @@ function enable_media_replace_init() {
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*/
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function enable_media_replace( $form_fields ) {
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- if ($_GET["attachment_id"]) {
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- $url = get_bloginfo("wpurl") . "/wp-admin/upload.php?page=enable-media-replace/enable-media-replace.php&action=media_replace&attachment_id={$_GET["attachment_id"]}";
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$action = "media_replace";
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$editurl = wp_nonce_url( $url, $action );
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@@ -79,10 +78,17 @@ function emr_options() {
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if ( isset( $_GET['action'] ) && $_GET['action'] == 'media_replace' ) {
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check_admin_referer( 'media_replace' ); // die if invalid or missing nonce
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- if ( array_key_exists("attachment_id", $_GET) && $_GET["attachment_id"] > 0) {
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include("popup.php");
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}
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}
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}
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/**
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Plugin Name: Enable Media Replace
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Plugin URI: http://www.mansjonasson.se/enable-media-replace
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Description: Enable replacing media files by uploading a new file in the "Edit Media" section of the WordPress Media Library.
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+ Version: 2.4
7
Author: M�ns Jonasson
8
Author URI: http://www.mansjonasson.se
9
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* @subpackage enable-media-replace
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*
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*/
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add_action( 'admin_init', 'enable_media_replace_init' );
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add_action('admin_menu', 'emr_menu');
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*/
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function enable_media_replace( $form_fields ) {
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+ if (isset($_GET["attachment_id"]) && $_GET["attachment_id"]) {
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+ $url = admin_url( "upload.php?page=enable-media-replace/enable-media-replace.php&action=media_replace&attachment_id=" . (int) $_GET["attachment_id"]);
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$action = "media_replace";
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$editurl = wp_nonce_url( $url, $action );
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if ( isset( $_GET['action'] ) && $_GET['action'] == 'media_replace' ) {
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check_admin_referer( 'media_replace' ); // die if invalid or missing nonce
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+ if ( array_key_exists("attachment_id", $_GET) && (int) $_GET["attachment_id"] > 0) {
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include("popup.php");
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}
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}
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+
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+ if ( isset( $_GET['action'] ) && $_GET['action'] == 'media_replace_upload' ) {
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+ $plugin_url = str_replace("enable-media-replace.php", "", __FILE__);
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+ check_admin_referer( 'media_replace_upload' ); // die if invalid or missing nonce
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+ require_once($plugin_url . "upload.php");
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+ }
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+
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}
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/**
popup.php CHANGED
@@ -17,7 +17,7 @@ global $wpdb;
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$table_name = $wpdb->prefix . "posts";
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- $sql = "SELECT guid, post_mime_type FROM $table_name WHERE ID = {$_GET["attachment_id"]}";
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list($current_filename, $current_filetype) = mysql_fetch_array(mysql_query($sql));
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@@ -30,14 +30,19 @@ $current_filename = substr($current_filename, (strrpos($current_filename, "/") +
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<h2><?php echo __("Replace Media Upload", "enable-media-replace"); ?></h2>
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<?php
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- $formurl = get_bloginfo("wpurl") . "/wp-content/plugins/enable-media-replace/upload.php";
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if (FORCE_SSL_ADMIN) {
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$formurl = str_replace("http:", "https:", $formurl);
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}
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?>
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<form enctype="multipart/form-data" method="post" action="<?php echo $formurl; ?>">
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- <input type="hidden" name="ID" value="<?php echo $_GET["attachment_id"]; ?>" />
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<div id="message" class="updated fade"><p><?php echo __("NOTE: You are about to replace the media file", "enable-media-replace"); ?> "<?php echo $current_filename?>". <?php echo __("There is no undo. Think about it!", "enable-media-replace"); ?></p></div>
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<p><?php echo __("Choose a file to upload from your computer", "enable-media-replace"); ?></p>
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$table_name = $wpdb->prefix . "posts";
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+ $sql = "SELECT guid, post_mime_type FROM $table_name WHERE ID = " . (int) $_GET["attachment_id"];
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list($current_filename, $current_filetype) = mysql_fetch_array(mysql_query($sql));
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<h2><?php echo __("Replace Media Upload", "enable-media-replace"); ?></h2>
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<?php
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+ $url = admin_url( "upload.php?page=enable-media-replace/enable-media-replace.php&action=media_replace_upload&attachment_id=" . (int) $_GET["attachment_id"]);
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+ $action = "media_replace_upload";
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+ $formurl = wp_nonce_url( $url, $action );
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if (FORCE_SSL_ADMIN) {
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$formurl = str_replace("http:", "https:", $formurl);
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}
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?>
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<form enctype="multipart/form-data" method="post" action="<?php echo $formurl; ?>">
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+ <?php
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+ #wp_nonce_field('enable-media-replace');
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+ ?>
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+ <input type="hidden" name="ID" value="<?php echo (int) $_GET["attachment_id"]; ?>" />
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<div id="message" class="updated fade"><p><?php echo __("NOTE: You are about to replace the media file", "enable-media-replace"); ?> "<?php echo $current_filename?>". <?php echo __("There is no undo. Think about it!", "enable-media-replace"); ?></p></div>
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<p><?php echo __("Choose a file to upload from your computer", "enable-media-replace"); ?></p>
readme.txt CHANGED
@@ -2,7 +2,7 @@
2
Contributors: mungobbq
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Tags: admin, attachment, media, files
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Requires at least: 2.8
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- Tested up to: 3.0.1
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Stable tag: trunk
7
8
Enables replacing attachment files by simply uploading a new file in the media library edit view.
@@ -37,6 +37,10 @@ If you want more control over the format used to display the time, you can use t
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== Changelog ==
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= 2.3 =
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* Lots of code trimmed and enhanced, thanks to Ben ter Stal! Now working properly with Windows systems, better security, optimized loading, and much more.
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* Added Dutch translation by Ben ter Stal.
2
Contributors: mungobbq
3
Tags: admin, attachment, media, files
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Requires at least: 2.8
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+ Tested up to: 3.0.5
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Stable tag: trunk
7
8
Enables replacing attachment files by simply uploading a new file in the media library edit view.
37
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== Changelog ==
39
40
+ = 2.4 =
41
+ * Bug fixes, security fixes. Thanks to my old pal Ulf "�rsta" H�rnhammar for pointing them out!
42
+ * New method for uploading avoids going around WP, for greater security.
43
+
44
= 2.3 =
45
* Lots of code trimmed and enhanced, thanks to Ben ter Stal! Now working properly with Windows systems, better security, optimized loading, and much more.
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* Added Dutch translation by Ben ter Stal.
upload.php CHANGED
@@ -1,40 +1,21 @@
1
<?php
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- /**
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- * Handling upload new media file
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- * We have two types: replace / replace_and_search
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- *
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- * @author M�ns Jonasson <http://www.mansjonasson.se>
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- * @copyright M�ns Jonasson 13 sep 2010
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- * @version $Revision: 1984 $ | $Date: 2009-09-09 13:01:30 +0200 (wo, 09 sep 2009) $
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- * @package wordpress
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- * @subpackage enable-media-replace
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- *
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- */
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-
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-
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- $wppath = str_replace("wp-content/plugins/enable-media-replace/upload.php", "", str_replace('\\','/',__FILE__));
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-
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- require_once($wppath . "wp-load.php");
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- require_once($wppath . "wp-admin/admin.php");
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-
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if (!current_user_can('upload_files'))
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wp_die(__('You do not have permission to upload files.'));
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- global $wpdb;
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-
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// Define DB table names
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$table_name = $wpdb->prefix . "posts";
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$postmeta_table_name = $wpdb->prefix . "postmeta";
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// Get old guid and filetype from DB
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- $sql = "SELECT guid, post_mime_type FROM $table_name WHERE ID = {$_POST["ID"]}";
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list($current_filename, $current_filetype) = mysql_fetch_array(mysql_query($sql));
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// Massage a bunch of vars
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$current_guid = $current_filename;
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$current_filename = substr($current_filename, (strrpos($current_filename, "/") + 1));
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- $current_file = get_attached_file($_POST["ID"], true);
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$current_path = substr($current_file, 0, (strrpos($current_file, "/")));
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$current_file = str_replace("//", "/", $current_file);
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$current_filename = basename($current_file);
@@ -47,6 +28,14 @@ if (is_uploaded_file($_FILES["userfile"]["tmp_name"])) {
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$new_filename = $_FILES["userfile"]["name"];
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$new_filetype = $_FILES["userfile"]["type"];
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$new_filesize = $_FILES["userfile"]["size"];
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if ($replace_type == "replace") {
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// Drop-in replace and we don't even care if you uploaded something that is the wrong file-type.
@@ -54,6 +43,15 @@ if (is_uploaded_file($_FILES["userfile"]["tmp_name"])) {
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// Delete old file
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unlink($current_file);
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// Move new file to old location/name
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move_uploaded_file($_FILES["userfile"]["tmp_name"], $current_file);
@@ -62,7 +60,7 @@ if (is_uploaded_file($_FILES["userfile"]["tmp_name"])) {
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chmod($current_file, 0644);
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// Make thumb and/or update metadata
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- wp_update_attachment_metadata( $_POST["ID"], wp_generate_attachment_metadata( $_POST["ID"], $current_file ) );
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}
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@@ -71,6 +69,15 @@ if (is_uploaded_file($_FILES["userfile"]["tmp_name"])) {
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// Delete old file
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unlink($current_file);
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// Massage new filename to adhere to WordPress standards
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$new_filename= wp_unique_filename( $current_path, $new_filename );
@@ -86,20 +93,20 @@ if (is_uploaded_file($_FILES["userfile"]["tmp_name"])) {
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$new_guid = str_replace($current_filename, $new_filename, $current_guid);
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// Update database file name
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- mysql_query("UPDATE $table_name SET post_title = '$new_filetitle', post_name = '$new_filetitle', guid = '$new_guid', post_mime_type = '$new_filetype' WHERE ID = {$_POST["ID"]}");
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-
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// Update the postmeta file name
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// Get old postmeta _wp_attached_file
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- $sql = "SELECT meta_value FROM $postmeta_table_name WHERE meta_key = '_wp_attached_file' AND post_id = '{$_POST["ID"]}'";
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$old_meta_name = mysql_result(mysql_query($sql),0);
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// Make new postmeta _wp_attached_file
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$new_meta_name = str_replace($current_filename, $new_filename, $old_meta_name);
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- mysql_query("UPDATE $postmeta_table_name SET meta_value = '$new_meta_name' WHERE meta_key = '_wp_attached_file' AND post_id = '{$_POST["ID"]}'");
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// Make thumb and/or update metadata
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- wp_update_attachment_metadata( $_POST["ID"], wp_generate_attachment_metadata( $_POST["ID"], $new_file) );
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// Search-and-replace filename in post database
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$sql = "SELECT ID, post_content FROM $table_name WHERE post_content LIKE '%$current_guid%'";
1
<?php
2
if (!current_user_can('upload_files'))
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wp_die(__('You do not have permission to upload files.'));
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// Define DB table names
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+ global $wpdb;
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$table_name = $wpdb->prefix . "posts";
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$postmeta_table_name = $wpdb->prefix . "postmeta";
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// Get old guid and filetype from DB
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+ $sql = "SELECT guid, post_mime_type FROM $table_name WHERE ID = '" . (int) $_POST["ID"] . "'";
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list($current_filename, $current_filetype) = mysql_fetch_array(mysql_query($sql));
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// Massage a bunch of vars
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$current_guid = $current_filename;
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$current_filename = substr($current_filename, (strrpos($current_filename, "/") + 1));
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+ $current_file = get_attached_file((int) $_POST["ID"], true);
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$current_path = substr($current_file, 0, (strrpos($current_file, "/")));
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$current_file = str_replace("//", "/", $current_file);
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$current_filename = basename($current_file);
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$new_filename = $_FILES["userfile"]["name"];
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$new_filetype = $_FILES["userfile"]["type"];
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$new_filesize = $_FILES["userfile"]["size"];
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+
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+ // Check that mime type is allowed
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+ $allowed_mime_types = get_allowed_mime_types();
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+ if (!in_array($new_filetype, $allowed_mime_types)) {
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+ echo __("File type does not meet security guidelines. Try another.");
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+ exit;
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+ }
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+
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if ($replace_type == "replace") {
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// Drop-in replace and we don't even care if you uploaded something that is the wrong file-type.
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// Delete old file
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unlink($current_file);
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+
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+ // Delete old resized versions if this was an image
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+ $suffix = substr($current_file, (strlen($current_file)-4));
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+ $prefix = substr($current_file, 0, (strlen($current_file)-4));
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+ $imgAr = array(".png", ".gif", ".jpg");
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+ if (in_array($suffix, $imgAr)) {
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+ $mask = $prefix . "-*x*" . $suffix;
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+ array_map( "unlink", glob( $mask ) );
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+ }
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// Move new file to old location/name
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move_uploaded_file($_FILES["userfile"]["tmp_name"], $current_file);
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chmod($current_file, 0644);
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// Make thumb and/or update metadata
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+ wp_update_attachment_metadata( (int) $_POST["ID"], wp_generate_attachment_metadata( (int) $_POST["ID"], $current_file ) );
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}
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// Delete old file
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unlink($current_file);
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+
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+ // Delete old resized versions if this was an image
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+ $suffix = substr($current_file, (strlen($current_file)-4));
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+ $prefix = substr($current_file, 0, (strlen($current_file)-4));
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+ $imgAr = array(".png", ".gif", ".jpg");
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+ if (in_array($suffix, $imgAr)) {
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+ $mask = $prefix . "-*x*" . $suffix;
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+ array_map( "unlink", glob( $mask ) );
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+ }
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// Massage new filename to adhere to WordPress standards
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$new_filename= wp_unique_filename( $current_path, $new_filename );
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$new_guid = str_replace($current_filename, $new_filename, $current_guid);
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// Update database file name
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+ mysql_query("UPDATE $table_name SET post_title = '$new_filetitle', post_name = '$new_filetitle', guid = '$new_guid', post_mime_type = '$new_filetype' WHERE ID = '" . (int) $_POST["ID"] . "'");
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+
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// Update the postmeta file name
99
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// Get old postmeta _wp_attached_file
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+ $sql = "SELECT meta_value FROM $postmeta_table_name WHERE meta_key = '_wp_attached_file' AND post_id = '" . (int) $_POST["ID"] . "'";
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$old_meta_name = mysql_result(mysql_query($sql),0);
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// Make new postmeta _wp_attached_file
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$new_meta_name = str_replace($current_filename, $new_filename, $old_meta_name);
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+ mysql_query("UPDATE $postmeta_table_name SET meta_value = '$new_meta_name' WHERE meta_key = '_wp_attached_file' AND post_id = '" . (int) $_POST["ID"] . "'");
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// Make thumb and/or update metadata
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+ wp_update_attachment_metadata( (int) $_POST["ID"], wp_generate_attachment_metadata( (int) $_POST["ID"], $new_file) );
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// Search-and-replace filename in post database
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$sql = "SELECT ID, post_content FROM $table_name WHERE post_content LIKE '%$current_guid%'";