Changeset 37816 for branches/4.2/src/wp-includes/formatting.php

Timestamp:

06/21/2016 02:55:29 PM (8 years ago)

Author:

joemcgill

Message:

Media: Improve handling of extensionless filenames.

Merge of [37756] to the 4.2 branch.

See #37111.

File:

• branches/4.2/src/wp-includes/formatting.php (modified) (2 diffs)

branches/4.2/src/wp-includes/formatting.php

@@ -1209 +1209 @@
  * to manipulate at the command line. Replaces spaces and consecutive
  * dashes with a single dash. Trims period, dash and underscore from beginning
- * and end of filename.
+ * and end of filename. It is not guaranteed that this function will return a
+ * filename that is allowed to be uploaded.
  *
  * @since 2.1.0
@@ -1233 +1234 @@
     $filename = preg_replace( '/[\r\n\t -]+/', '-', $filename );
     $filename = trim( $filename, '.-_' );
+
+    if ( false === strpos( $filename, '.' ) ) {
+        $mime_types = wp_get_mime_types();
+        $filetype = wp_check_filetype( 'test.' . $filename, $mime_types );
+        if ( $filetype['ext'] === $filename ) {
+            $filename = 'unnamed-file.' . $filetype['ext'];
+        }
+    }
 
     // Split the filename into a base and extension[s]