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<title>[14349] trunk/wp-admin/includes/file.php:
  Skip over __MACOSX folders during zip extraction.</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/14349">14349</a></dd>
<dt>Author</dt> <dd>dd32</dd>
<dt>Date</dt> <dd>2010-05-02 23:24:36 +0000 (Sun, 02 May 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Skip over __MACOSX folders during zip extraction. Props chrisbliss18. Fixes <a href="http://trac.wordpress.org/ticket/12637">#12637</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadminincludesfilephp">trunk/wp-admin/includes/file.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadminincludesfilephp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/includes/file.php (14348 => 14349)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/includes/file.php        2010-05-02 22:57:44 UTC (rev 14348)
+++ trunk/wp-admin/includes/file.php        2010-05-02 23:24:36 UTC (rev 14349)
</span><span class="lines">@@ -503,7 +503,7 @@
</span><span class="cx"> 
</span><span class="cx"> /**
</span><span class="cx">  * Unzip's a specified ZIP file to a location on the Filesystem via the WordPress Filesystem Abstraction.
</span><del>- * Assumes that WP_Filesystem() has already been called and set up.
</del><ins>+ * Assumes that WP_Filesystem() has already been called and set up. Does not extract a root-level __MACOSX directory, if present.
</ins><span class="cx">  *
</span><span class="cx">  * Attempts to increase the PHP Memory limit to 256M before uncompressing,
</span><span class="cx">  * However, The most memory required shouldn't be much larger than the Archive itself.
</span><span class="lines">@@ -584,6 +584,9 @@
</span><span class="cx">                 if ( ! $info = $z-&gt;statIndex($i) )
</span><span class="cx">                         return new WP_Error('stat_failed', __('Could not retrieve file from archive.'));
</span><span class="cx"> 
</span><ins>+                if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory
+                        continue;
+
</ins><span class="cx">                 if ( '/' == substr($info['name'], -1) ) // directory
</span><span class="cx">                         $needed_dirs[] = $to . untrailingslashit($info['name']);
</span><span class="cx">                 else
</span><span class="lines">@@ -607,6 +610,9 @@
</span><span class="cx">                 if ( '/' == substr($info['name'], -1) ) // directory
</span><span class="cx">                         continue;
</span><span class="cx"> 
</span><ins>+                if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files
+                        continue; 
+
</ins><span class="cx">                 $contents = $z-&gt;getFromIndex($i);
</span><span class="cx">                 if ( false === $contents )
</span><span class="cx">                         return new WP_Error('extract_failed', __('Could not extract file from archive.'), $info['name']);
</span><span class="lines">@@ -648,8 +654,12 @@
</span><span class="cx">                 return new WP_Error('empty_archive', __('Empty archive.'));
</span><span class="cx"> 
</span><span class="cx">         // Determine any children directories needed (From within the archive)
</span><del>-        foreach ( $archive_files as $file )
</del><ins>+        foreach ( $archive_files as $file ) {
+                if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory 
+                        continue;
+        
</ins><span class="cx">                 $needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) );
</span><ins>+        }
</ins><span class="cx"> 
</span><span class="cx">         $needed_dirs = array_unique($needed_dirs);
</span><span class="cx">         asort($needed_dirs);
</span><span class="lines">@@ -666,6 +676,9 @@
</span><span class="cx">                 if ( $file['folder'] )
</span><span class="cx">                         continue;
</span><span class="cx"> 
</span><ins>+                if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files
+                        continue;
+
</ins><span class="cx">                 if ( ! $wp_filesystem-&gt;put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) )
</span><span class="cx">                         return new WP_Error('copy_failed', __('Could not copy file.'), $to . $file['filename']);
</span><span class="cx">         }
</span></span></pre>
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