From ae4d10668e2b4c9ca953e3681bd18a3c86093481 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=B6rn=20Friedrich=20Dreyer?= <jfd@butonic.de>
Date: Fri, 17 Jan 2014 15:05:43 +0100
Subject: [PATCH] Fix mimetype detection

---
 lib/files/cache/cache.php | 4 ++++
 lib/helper.php            | 8 +++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/files/cache/cache.php b/lib/files/cache/cache.php
index 32cad6b84b2..a2a7a996970 100644
--- a/lib/files/cache/cache.php
+++ b/lib/files/cache/cache.php
@@ -91,6 +91,10 @@ class Cache {
 	 * @return int
 	 */
 	public function getMimetypeId($mime) {
+		if (empty($mime)) {
+			// Can not insert empty string into Oracle NOT NULL column.
+			$mime = 'application/octet-stream';
+		}
 		if (!isset($this->mimetypeIds[$mime])) {
 			$result = \OC_DB::executeAudited(
 				'SELECT `id` FROM `*PREFIX*mimetypes` WHERE `mimetype` = ?',
diff --git a/lib/helper.php b/lib/helper.php
index 71b3bd5beba..2d22f24ab38 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -390,7 +390,6 @@ class OC_Helper {
 	 * does NOT work for ownClouds filesystem, use OC_FileSystem::getMimeType instead
 	 */
 	static function getMimeType($path) {
-		$isWrapped=(strpos($path, '://')!==false) and (substr($path, 0, 7)=='file://');
 
 		if (@is_dir($path)) {
 			// directories are easy
@@ -414,9 +413,11 @@ class OC_Helper {
 			$info = @strtolower(finfo_file($finfo, $path));
 			if($info) {
 				$mimeType=substr($info, 0, strpos($info, ';'));
+				return empty($mimeType) ? 'application/octet-stream' : $mimeType;
 			}
 			finfo_close($finfo);
 		}
+		$isWrapped = (strpos($path, '://') !== false) and (substr($path, 0, 7) === 'file://');
 		if (!$isWrapped and $mimeType=='application/octet-stream' && function_exists("mime_content_type")) {
 			// use mime magic extension if available
 			$mimeType = mime_content_type($path);
@@ -432,6 +433,11 @@ class OC_Helper {
 			//trim the newline
 			$mimeType = trim($reply);
 
+			if (empty($mimeType)) {
+				$mimeType = 'application/octet-stream';
+			}
+
+
 		}
 		return $mimeType;
 	}
-- 
2.39.5