Merge pull request #11684 from owncloud/guess_mimetype_on_touch

guess mimetype on touch

apps/files_external/lib/amazons3.php

@@ -457,11 +457,13 @@ class AmazonS3 extends \OC\Files\Storage\Common {
 				));
 				$this->testTimeout();
 			} else {
+				$mimeType = \OC_Helper::getMimetypeDetector()->detectPath($path);
 				$this->connection->putObject(array(
 					'Bucket' => $this->bucket,
 					'Key' => $this->cleanKey($path),
 					'Metadata' => $metadata,
-					'Body' => ''
+					'Body' => '',
+					'ContentType' => $mimeType
 				));
 				$this->testTimeout();
 			}

apps/files_external/lib/swift.php

@@ -406,7 +406,8 @@ class Swift extends \OC\Files\Storage\Common {
 			$object->saveMetadata($metadata);
 			return true;
 		} else {
-			$customHeaders = array('content-type' => 'text/plain');
+			$mimeType = \OC_Helper::getMimetypeDetector()->detectPath($path);
+			$customHeaders = array('content-type' => $mimeType);
 			$metadataHeaders = DataObject::stockHeaders($metadata);
 			$allHeaders = $customHeaders + $metadataHeaders;
 			$this->container->uploadObject($path, '', $allHeaders);