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/*
* Copyright (C) 2020 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_ADDRESS_SPACE_FEATURE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_ADDRESS_SPACE_FEATURE_H_
#include "services/network/public/mojom/ip_address_space.mojom-blink.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "third_party/blink/public/mojom/web_feature/web_feature.mojom-blink.h"
#include "third_party/blink/renderer/core/core_export.h"
namespace blink {
class LocalFrame;
class ResourceError;
class ResourceResponse;
// Describes a type of fetch for the purposes of categorizing feature use.
enum class FetchType {
// A document fetching a subresource (image, script, etc.).
kSubresource,
// A navigation from one document to the next.
kNavigation,
};
// Returns the kAddressSpace* WebFeature enum value corresponding to a client
// in |client_address_space| fetching data from |response_address_space|, if
// any.
//
// |fetch_type| describes the fetch itself.
//
// |client_is_secure_context| specifies whether the client execution context is
// a secure context, as defined in
// https://html.spec.whatwg.org/multipage/webappapis.html#secure-context.
//
// Returns nullopt if the load is not a private network request, as defined in
// https://wicg.github.io/cors-rfc1918/#private-network-request.
absl::optional<mojom::blink::WebFeature> CORE_EXPORT AddressSpaceFeature(
FetchType fetch_type,
network::mojom::blink::IPAddressSpace client_address_space,
bool client_is_secure_context,
network::mojom::blink::IPAddressSpace response_address_space);
// Increments the correct kAddressSpace* WebFeature UseCounter corresponding to
// the given |client_frame| performing a fetch of type |fetch_type| and
// receiving the given |response|.
//
// Does nothing if |client_frame| is nullptr.
void RecordAddressSpaceFeature(FetchType fetch_type,
LocalFrame* client_frame,
const ResourceResponse& response);
// Same as above, for cases where the fetch failed.
// Does nothing if the fetch failed due to an error other than a failed Private
// Network Access check.
void RecordAddressSpaceFeature(FetchType fetch_type,
LocalFrame* client_frame,
const ResourceError& error);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_ADDRESS_SPACE_FEATURE_H_
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