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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_NETWORK_ATTRIBUTION_REQUEST_HEADERS_INTERNAL_H_
#define SERVICES_NETWORK_ATTRIBUTION_REQUEST_HEADERS_INTERNAL_H_
#include <stdint.h>
#include <string>
#include "services/network/public/mojom/attribution.mojom-forward.h"
namespace network {
// Options controlling greasing during serialization of the
// Attribution-Reporting-Eligible and Attribution-Reporting-Support headers,
// which contain structured dictionaries.
struct AttributionReportingHeaderGreaseOptions {
// Where to apply a grease.
enum class GreaseContext : uint8_t {
// The grease is not applied.
kNone = 0,
// The grease is added as a top-level key prefixed with "not-".
kKey = 1,
// The grease is set as the token-type value for an existing key.
kValue = 2,
// The grease is set as a parameter name for an existing key.
kParamName = 3,
};
// Note: This function needs exactly 8 bits. If the size of this structure changes,
// `uint8_t` should be changed to a larger type.
static AttributionReportingHeaderGreaseOptions FromBits(uint8_t bits);
// Whether to reverse the list of dictionary keys.
bool reverse = false;
// Whether to swap the two greases before applying.
bool swap_greases = false;
// Where to apply the greases.
GreaseContext context1 = GreaseContext::kNone;
GreaseContext context2 = GreaseContext::kNone;
// Whether to apply each grease to the first or last existing key.
bool use_front1 = false;
bool use_front2 = false;
};
// Must not be called with `mojom::AttributionReportingEligibility::kUnset`.
std::string SerializeAttributionReportingEligibleHeader(
mojom::AttributionReportingEligibility,
const AttributionReportingHeaderGreaseOptions&);
// Returns the value to be set for the `Attribution-Reporting-Support` request
// header.
std::string GetAttributionSupportHeader(
mojom::AttributionSupport,
const AttributionReportingHeaderGreaseOptions&);
// Must not be called with `mojom::AttributionReportingEligibility::kUnset`.
std::string SerializeAdAuctionRegistrationEligibleHeader(
mojom::AttributionReportingEligibility,
const AttributionReportingHeaderGreaseOptions&);
} // namespace network
#endif // SERVICES_NETWORK_ATTRIBUTION_REQUEST_HEADERS_INTERNAL_H_
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