blob: aafdda66eecbcf34bf42569dee96448c7d2e1e83 [file] [log] [blame]
// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_LOADER_ORIGIN_H_
#define COBALT_LOADER_ORIGIN_H_
#include <string>
#include "base/optional.h"
#include "url/gurl.h"
namespace cobalt {
namespace loader {
// https://html.spec.whatwg.org/multipage/origin.html#concept-origin
class Origin {
public:
// To create an opaque origin, use Origin().
Origin();
// Initialize an origin to the url's origin.
// https://url.spec.whatwg.org/#concept-url-origin
explicit Origin(const GURL& url);
// https://html.spec.whatwg.org/multipage/origin.html#ascii-serialisation-of-an-origin
std::string SerializedOrigin() const;
bool is_opaque() const { return !tuple_; }
// Only document has an origin and no elements inherit document's origin, so
// opaque origin comparison can always return false.
// https://html.spec.whatwg.org/multipage/origin.html#same-origin
bool operator==(const Origin& rhs) const;
// Returns true if two origins are different(cross-origin).
bool operator!=(const Origin& rhs) const { return !(*this == rhs); }
private:
struct Tuple {
bool operator==(const Tuple& rhs) const;
std::string scheme;
std::string host;
std::string port;
};
// Helper function for extracting a tuple from a URL. If a tuple cannot
// be extracted, then base::nullopt is returned.
static base::Optional<Origin::Tuple> GetTupleFromURL(
const GURL& url, bool recurse_into_blob_paths);
base::Optional<Tuple> tuple_;
};
} // namespace loader
} // namespace cobalt
#endif // COBALT_LOADER_ORIGIN_H_