diff --git a/lib/private/AppFramework/Http/Output.php b/lib/private/AppFramework/Http/Output.php
index 85f0e6f8fe..1d77350b1a 100644
--- a/lib/private/AppFramework/Http/Output.php
+++ b/lib/private/AppFramework/Http/Output.php
@@ -48,12 +48,17 @@ class Output implements IOutput {
 	}
 
 	/**
-	 * @param string $path
+	 * @param string|resource $path or file handle
 	 *
 	 * @return bool false if an error occurred
 	 */
 	public function setReadfile($path) {
-		return @readfile($path);
+		if (is_resource($path)) {
+			$output = fopen('php://output', 'w');
+			return stream_copy_to_stream($path, $output) > 0;
+		} else {
+			return @readfile($path);
+		}
 	}
 
 	/**
diff --git a/lib/public/AppFramework/Http/IOutput.php b/lib/public/AppFramework/Http/IOutput.php
index 1544c7d637..642bcf4170 100644
--- a/lib/public/AppFramework/Http/IOutput.php
+++ b/lib/public/AppFramework/Http/IOutput.php
@@ -39,7 +39,7 @@ interface IOutput {
 	public function setOutput($out);
 
 	/**
-	 * @param string $path
+	 * @param string|resource $path or file handle
 	 *
 	 * @return bool false if an error occurred
 	 * @since 8.1.0
diff --git a/lib/public/AppFramework/Http/StreamResponse.php b/lib/public/AppFramework/Http/StreamResponse.php
index b5852fb562..e124bb4ccb 100644
--- a/lib/public/AppFramework/Http/StreamResponse.php
+++ b/lib/public/AppFramework/Http/StreamResponse.php
@@ -37,7 +37,7 @@ class StreamResponse extends Response implements ICallbackResponse {
 	private $filePath;
 
 	/**
-	 * @param string $filePath the path to the file which should be streamed
+	 * @param string|resource $filePath the path to the file or a file handle which should be streamed
 	 * @since 8.1.0
 	 */
 	public function __construct ($filePath) {
@@ -54,7 +54,7 @@ class StreamResponse extends Response implements ICallbackResponse {
 	public function callback (IOutput $output) {
 		// handle caching
 		if ($output->getHttpResponseCode() !== Http::STATUS_NOT_MODIFIED) {
-			if (!file_exists($this->filePath)) {
+			if (!(file_exists($this->filePath) || is_resource($this->filePath))) {
 				$output->setHttpResponseCode(Http::STATUS_NOT_FOUND);
 			} elseif ($output->setReadfile($this->filePath) === false) {
 				$output->setHttpResponseCode(Http::STATUS_BAD_REQUEST);