address_space_feature.h | Explore in Territory

/*
 * 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_PUBLIC_COMMON_SECURITY_ADDRESS_SPACE_FEATURE_H_
#define THIRD_PARTY_BLINK_PUBLIC_COMMON_SECURITY_ADDRESS_SPACE_FEATURE_H_

#include <optional>

#include "services/network/public/mojom/ip_address_space.mojom-shared.h"
#include "third_party/blink/public/common/common_export.h"
#include "third_party/blink/public/mojom/use_counter/metrics/web_feature.mojom-shared.h"

namespace blink {

// Describes a type of fetch for the purposes of categorizing feature use.
enum class FetchType { … };

// 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/private-network-access/#private-network-request
std::optional<mojom::WebFeature> BLINK_COMMON_EXPORT
AddressSpaceFeature(FetchType fetch_type,
                    network::mojom::IPAddressSpace client_address_space,
                    bool client_is_secure_context,
                    network::mojom::IPAddressSpace response_address_space);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_PUBLIC_COMMON_SECURITY_ADDRESS_SPACE_FEATURE_H_
chromium/third_party/blink/public/common/security/address_space_feature.h
