<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>[43399] branches/4.3/src/wp-includes: Media: Limit thumbnail file deletions to the same directory as the original file.</title>
</head>
<body>
<style type="text/css"><!--
#msg dl.meta { border: 1px #006 solid; background: #369; padding: 6px; color: #fff; }
#msg dl.meta dt { float: left; width: 6em; font-weight: bold; }
#msg dt:after { content:':';}
#msg dl, #msg dt, #msg ul, #msg li, #header, #footer, #logmsg { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; }
#msg dl a { font-weight: bold}
#msg dl a:link { color:#fc3; }
#msg dl a:active { color:#ff0; }
#msg dl a:visited { color:#cc6; }
h3 { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; font-weight: bold; }
#msg pre { white-space: pre-line; overflow: auto; background: #ffc; border: 1px #fa0 solid; padding: 6px; }
#logmsg { background: #ffc; border: 1px #fa0 solid; padding: 1em 1em 0 1em; }
#logmsg p, #logmsg pre, #logmsg blockquote { margin: 0 0 1em 0; }
#logmsg p, #logmsg li, #logmsg dt, #logmsg dd { line-height: 14pt; }
#logmsg h1, #logmsg h2, #logmsg h3, #logmsg h4, #logmsg h5, #logmsg h6 { margin: .5em 0; }
#logmsg h1:first-child, #logmsg h2:first-child, #logmsg h3:first-child, #logmsg h4:first-child, #logmsg h5:first-child, #logmsg h6:first-child { margin-top: 0; }
#logmsg ul, #logmsg ol { padding: 0; list-style-position: inside; margin: 0 0 0 1em; }
#logmsg ul { text-indent: -1em; padding-left: 1em; }#logmsg ol { text-indent: -1.5em; padding-left: 1.5em; }
#logmsg > ul, #logmsg > ol { margin: 0 0 1em 0; }
#logmsg pre { background: #eee; padding: 1em; }
#logmsg blockquote { border: 1px solid #fa0; border-left-width: 10px; padding: 1em 1em 0 1em; background: white;}
#logmsg dl { margin: 0; }
#logmsg dt { font-weight: bold; }
#logmsg dd { margin: 0; padding: 0 0 0.5em 0; }
#logmsg dd:before { content:'\00bb';}
#logmsg table { border-spacing: 0px; border-collapse: collapse; border-top: 4px solid #fa0; border-bottom: 1px solid #fa0; background: #fff; }
#logmsg table th { text-align: left; font-weight: normal; padding: 0.2em 0.5em; border-top: 1px dotted #fa0; }
#logmsg table td { text-align: right; border-top: 1px dotted #fa0; padding: 0.2em 0.5em; }
#logmsg table thead th { text-align: center; border-bottom: 1px solid #fa0; }
#logmsg table th.Corner { text-align: left; }
#logmsg hr { border: none 0; border-top: 2px dashed #fa0; height: 1px; }
#header, #footer { color: #fff; background: #636; border: 1px #300 solid; padding: 6px; }
#patch { width: 100%; }
#patch h4 {font-family: verdana,arial,helvetica,sans-serif;font-size:10pt;padding:8px;background:#369;color:#fff;margin:0;}
#patch .propset h4, #patch .binary h4 {margin:0;}
#patch pre {padding:0;line-height:1.2em;margin:0;}
#patch .diff {width:100%;background:#eee;padding: 0 0 10px 0;overflow:auto;}
#patch .propset .diff, #patch .binary .diff {padding:10px 0;}
#patch span {display:block;padding:0 10px;}
#patch .modfile, #patch .addfile, #patch .delfile, #patch .propset, #patch .binary, #patch .copfile {border:1px solid #ccc;margin:10px 0;}
#patch ins {background:#dfd;text-decoration:none;display:block;padding:0 10px;}
#patch del {background:#fdd;text-decoration:none;display:block;padding:0 10px;}
#patch .lines, .info {color:#888;background:#fff;}
--></style>
<div id="msg">
<dl class="meta" style="font-size: 105%">
<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/43399">43399</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/43399","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>johnbillion</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-07-05 15:02:04 +0000 (Thu, 05 Jul 2018)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Media: Limit thumbnail file deletions to the same directory as the original file.
Merges <a href="https://core.trac.wordpress.org/changeset/43393">[43393]</a> into the 4.3 branch.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches43srcwpincludesfunctionsphp">branches/4.3/src/wp-includes/functions.php</a></li>
<li><a href="#branches43srcwpincludespostphp">branches/4.3/src/wp-includes/post.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branches43srcwpincludesfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.3/src/wp-includes/functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.3/src/wp-includes/functions.php 2018-07-05 14:56:26 UTC (rev 43398)
+++ branches/4.3/src/wp-includes/functions.php 2018-07-05 15:02:04 UTC (rev 43399)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1590,18 +1590,38 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Normalize a filesystem path.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Replaces backslashes with forward slashes for Windows systems, and ensures
- * no duplicate slashes exist.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * On windows systems, replaces backslashes with forward slashes
+ * and forces upper-case drive letters.
+ * Allows for two leading slashes for Windows network shares, but
+ * ensures that all other duplicate slashes are reduced to a single.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 3.9.0
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 4.4.0 Ensures upper-case drive letters on Windows systems.
+ * @since 4.5.0 Allows for Windows network shares.
+ * @since 4.9.7 Allows for PHP file wrappers.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $path Path to normalize.
</span><span class="cx" style="display: block; padding: 0 10px"> * @return string Normalized path.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function wp_normalize_path( $path ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $wrapper = '';
+ if ( wp_is_stream( $path ) ) {
+ list( $wrapper, $path ) = explode( '://', $path, 2 );
+ $wrapper .= '://';
+ }
+
+ // Standardise all paths to use /
</ins><span class="cx" style="display: block; padding: 0 10px"> $path = str_replace( '\\', '/', $path );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $path = preg_replace( '|/+|','/', $path );
- return $path;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ // Replace multiple slashes down to a singular, allowing for network shares having two slashes.
+ $path = preg_replace( '|(?<=.)/+|', '/', $path );
+
+ // Windows paths should uppercase the drive letter
+ if ( ':' === substr( $path, 1, 1 ) ) {
+ $path = ucfirst( $path );
+ }
+
+ return $wrapper . $path;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -5009,6 +5029,28 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Deletes a file if its path is within the given directory.
+ *
+ * @since 4.9.7
+ *
+ * @param string $file Absolute path to the file to delete.
+ * @param string $directory Absolute path to a directory.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_file_from_directory( $file, $directory ) {
+ $real_file = realpath( wp_normalize_path( $file ) );
+ $real_directory = realpath( wp_normalize_path( $directory ) );
+
+ if ( false === $real_file || false === $real_directory || strpos( wp_normalize_path( $real_file ), trailingslashit( wp_normalize_path( $real_directory ) ) ) !== 0 ) {
+ return false;
+ }
+
+ wp_delete_file( $file );
+
+ return true;
+}
+
+/**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Outputs a small JS snippet on preview tabs/windows to remove `window.name` on unload.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * This prevents reusing the same tab for a preview when the user has navigated away.
</span></span></pre></div>
<a id="branches43srcwpincludespostphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.3/src/wp-includes/post.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.3/src/wp-includes/post.php 2018-07-05 14:56:26 UTC (rev 43398)
+++ branches/4.3/src/wp-includes/post.php 2018-07-05 15:02:04 UTC (rev 43399)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4931,42 +4931,79 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /** This action is documented in wp-includes/post.php */
</span><span class="cx" style="display: block; padding: 0 10px"> do_action( 'deleted_post', $post_id );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file );
+
+ clean_post_cache( $post );
+
+ return $post;
+}
+
+/**
+ * Deletes all files that belong to the given attachment.
+ *
+ * @since 4.9.7
+ *
+ * @param int $post_id Attachment ID.
+ * @param array $meta The attachment's meta data.
+ * @param array $backup_sizes The meta data for the attachment's backup images.
+ * @param string $file Absolute path to the attachment's file.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) {
+ global $wpdb;
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $uploadpath = wp_upload_dir();
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $deleted = true;
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( ! empty($meta['thumb']) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> // Don't delete the thumb if another attachment uses it.
</span><span class="cx" style="display: block; padding: 0 10px"> if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id)) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $thumbfile = str_replace(basename($file), $meta['thumb'], $file);
- /** This filter is documented in wp-includes/functions.php */
- $thumbfile = apply_filters( 'wp_delete_file', $thumbfile );
- @ unlink( path_join($uploadpath['basedir'], $thumbfile) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $thumbfile = str_replace( basename( $file ), $meta['thumb'], $file );
+ if ( ! empty( $thumbfile ) ) {
+ $thumbfile = path_join( $uploadpath['basedir'], $thumbfile );
+ $thumbdir = path_join( $uploadpath['basedir'], dirname( $file ) );
+
+ if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) {
+ $deleted = false;
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Remove intermediate and backup images if there are any.
</span><span class="cx" style="display: block; padding: 0 10px"> if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> foreach ( $meta['sizes'] as $size => $sizeinfo ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- /** This filter is documented in wp-includes/functions.php */
- $intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file );
- @ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! empty( $intermediate_file ) ) {
+ $intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file );
+
+ if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) {
+ $deleted = false;
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( is_array($backup_sizes) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> foreach ( $backup_sizes as $size ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $del_file = path_join( dirname($meta['file']), $size['file'] );
- /** This filter is documented in wp-includes/functions.php */
- $del_file = apply_filters( 'wp_delete_file', $del_file );
- @ unlink( path_join($uploadpath['basedir'], $del_file) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $del_file = path_join( dirname( $meta['file'] ), $size['file'] );
+ if ( ! empty( $del_file ) ) {
+ $del_file = path_join( $uploadpath['basedir'], $del_file );
+
+ if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) {
+ $deleted = false;
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- wp_delete_file( $file );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) {
+ $deleted = false;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- clean_post_cache( $post );
-
- return $post;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return $deleted;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span></span></pre>
</div>
</div>
</body>
</html>