From 99cfba2e26a6a05190d45c287e7613485bd6833d Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 24 Mar 2013 04:06:29 -0400
Subject: [PATCH] Add some extension/mimetype aliases to fix some quirks in attachment type validation (#1488891)
---
program/lib/Roundcube/rcube_mime.php | 30 +++++++++++++++++++++++++++---
1 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/program/lib/Roundcube/rcube_mime.php b/program/lib/Roundcube/rcube_mime.php
index b70d681..7cd5207 100644
--- a/program/lib/Roundcube/rcube_mime.php
+++ b/program/lib/Roundcube/rcube_mime.php
@@ -769,11 +769,35 @@
// fallback to some well-known types most important for daily emails
if (empty($mime_types)) {
- $mime_extensions = @include(RCUBE_CONFIG_DIR . '/mimetypes.php');
- $mime_extensions += array('gif' => 'image/gif', 'png' => 'image/png', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'tif' => 'image/tiff');
+ $mime_extensions = (array) @include(RCUBE_CONFIG_DIR . '/mimetypes.php');
- foreach ($mime_extensions as $ext => $mime)
+ foreach ($mime_extensions as $ext => $mime) {
$mime_types[$mime][] = $ext;
+ }
+ }
+
+ // Add some known aliases that aren't included by some mime.types (#1488891)
+ // the order is important here so standard extensions have higher prio
+ $aliases = array(
+ 'image/gif' => array('gif'),
+ 'image/png' => array('png'),
+ 'image/x-png' => array('png'),
+ 'image/jpeg' => array('jpg', 'jpeg', 'jpe'),
+ 'image/jpg' => array('jpg', 'jpeg', 'jpe'),
+ 'image/pjpeg' => array('jpg', 'jpeg', 'jpe'),
+ 'image/tiff' => array('tif'),
+ 'message/rfc822' => array('eml'),
+ 'text/x-mail' => array('eml'),
+ );
+
+ foreach ($aliases as $mime => $exts) {
+ $mime_types[$mime] = array_unique(array_merge((array) $mime_types[$mime], $exts));
+
+ foreach ($exts as $ext) {
+ if (!isset($mime_extensions[$ext])) {
+ $mime_extensions[$ext] = $mime;
+ }
+ }
}
return $mimetype ? $mime_types[$mimetype] : $mime_extensions;
--
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