Merge pull request #28907 from nextcloud/bug/noid/close-stream-local

explicitly close source stream on local / encryption storage

lib/private/Files/Storage/Local.php

@@ -568,8 +568,11 @@ public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $t
 
 	public function writeStream(string $path, $stream, int $size = null): int {
 		$result = $this->file_put_contents($path, $stream);
+		if (is_resource($stream)) {
+			fclose($stream);
+		}
 		if ($result === false) {
-			throw new GenericFileException("Failed write steam to $path");
+			throw new GenericFileException("Failed write stream to $path");
 		} else {
 			return $result;
 		}

lib/private/Files/Storage/Wrapper/Encryption.php

@@ -926,10 +926,10 @@ protected function getHeader($path) {
 		}
 
 		$result = [];
-		
+
 		// first check if it is an encrypted file at all
 		// We would do query to filecache only if we know that entry in filecache exists
-		
+
 		$info = $this->getCache()->get($path);
 		if (isset($info['encrypted']) && $info['encrypted'] === true) {
 			$firstBlock = $this->readFirstBlock($path);
@@ -1033,6 +1033,7 @@ public function writeStream(string $path, $stream, int $size = null): int {
 		// always fall back to fopen
 		$target = $this->fopen($path, 'w');
 		[$count, $result] = \OC_Helper::streamCopy($stream, $target);
+		fclose($stream);
 		fclose($target);
 		return $count;
 	}

tests/lib/Files/Storage/Storage.php

@@ -658,6 +658,7 @@ public function testWriteStream() {
 
 		$storage->writeStream('test.txt', $source);
 		$this->assertTrue($storage->file_exists('test.txt'));
-		$this->assertEquals(file_get_contents($textFile), $storage->file_get_contents('test.txt'));
+		$this->assertStringEqualsFile($textFile, $storage->file_get_contents('test.txt'));
+		$this->assertEquals('resource (closed)', gettype($source));
 	}
 }