[ticket/15305] Add streams

PHPBB3-15305

phpBB/phpbb/storage/adapter/local.php

@@ -195,4 +195,39 @@ class local implements adapter_interface
 			$this->create_dir($path);
 		}
 	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function read_stream($path)
+	{
+		$stream = @fopen($path, 'rb');
+
+		if (!$stream)
+		{
+			throw new exception('STORAGE_CANNOT_OPEN_FILE', $path);
+		}
+
+		return $stream;
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function write_stream($path, $resource)
+	{
+		if ($this->exists($path))
+		{
+			throw new exception('STORAGE_FILE_EXISTS', $path);
+		}
+
+		$stream = @fopen($path, 'w+b');
+
+		if (!$stream)
+		{
+			throw new exception('STORAGE_CANNOT_CREATE_FILE', $path);
+		}
+
+		stream_copy_to_stream($resource, $stream);
+	}
 }