From 19b2fe6a3ab4d9ded3c6974ac109d5d5b02251bb Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Wed, 2 Dec 2015 16:48:15 +0100
Subject: [PATCH] Fix mimetype filter in getDirectoryContent

---
 lib/private/files/view.php |  8 ++------
 tests/lib/files/view.php   | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/lib/private/files/view.php b/lib/private/files/view.php
index 7854790d0e..6abefff419 100644
--- a/lib/private/files/view.php
+++ b/lib/private/files/view.php
@@ -1427,13 +1427,9 @@ class View {
 			if ($mimetype_filter) {
 				$files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
 					if (strpos($mimetype_filter, '/')) {
-						if ($file->getMimetype() === $mimetype_filter) {
-							$result[] = $file;
-						}
+						return $file->getMimetype() === $mimetype_filter;
 					} else {
-						if ($file->getMimePart() === $mimetype_filter) {
-							$result[] = $file;
-						}
+						return $file->getMimePart() === $mimetype_filter;
 					}
 				});
 			}
diff --git a/tests/lib/files/view.php b/tests/lib/files/view.php
index 186cf28d7c..1fc4b9ab68 100644
--- a/tests/lib/files/view.php
+++ b/tests/lib/files/view.php
@@ -2389,4 +2389,39 @@ class View extends \Test\TestCase {
 		$view = new \OC\Files\View('/' . $this->user . '/files');
 		$this->assertEquals('foo', $view->rmdir('mount'));
 	}
+
+	public function mimeFilterProvider() {
+		return [
+			[null, ['test1.txt', 'test2.txt', 'test3.md', 'test4.png']],
+			['text/plain', ['test1.txt', 'test2.txt']],
+			['text/markdown', ['test3.md']],
+			['text', ['test1.txt', 'test2.txt', 'test3.md']],
+		];
+	}
+
+	/**
+	 * @param string $filter
+	 * @param string[] $expected
+	 * @dataProvider mimeFilterProvider
+	 */
+	public function testGetDirectoryContentMimeFilter($filter, $expected) {
+		$storage1 = new Temporary();
+		$root = $this->getUniqueID('/');
+		\OC\Files\Filesystem::mount($storage1, array(), $root . '/');
+		$view = new \OC\Files\View($root);
+
+		$view->file_put_contents('test1.txt', 'asd');
+		$view->file_put_contents('test2.txt', 'asd');
+		$view->file_put_contents('test3.md', 'asd');
+		$view->file_put_contents('test4.png', '');
+
+		$content = $view->getDirectoryContent('', $filter);
+
+		$files = array_map(function(FileInfo $info) {
+			return $info->getName();
+		}, $content);
+		sort($files);
+
+		$this->assertEquals($expected, $files);
+	}
 }