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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 CONTENT_BROWSER_INTEREST_GROUP_AD_AUCTION_PAGE_DATA_H_
#define CONTENT_BROWSER_INTEREST_GROUP_AD_AUCTION_PAGE_DATA_H_
#include <map>
#include <optional>
#include <ostream>
#include <set>
#include <string>
#include <string_view>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/time/time.h"
#include "base/uuid.h"
#include "content/browser/interest_group/header_direct_from_seller_signals.h"
#include "content/public/browser/page_user_data.h"
#include "net/third_party/quiche/src/quiche/oblivious_http/oblivious_http_client.h"
#include "third_party/blink/public/common/interest_group/interest_group.h"
#include "url/origin.h"
namespace data_decoder {
class DataDecoder;
} // namespace data_decoder
namespace content {
struct ContextMapKey {
bool operator<(const ContextMapKey& other) const {
return std::tie(request_id, seller) <
std::tie(other.request_id, other.seller);
}
base::Uuid request_id;
url::Origin seller;
};
struct CONTENT_EXPORT AdAuctionRequestContext {
AdAuctionRequestContext(
url::Origin seller,
base::flat_map<url::Origin, std::vector<std::string>> group_names,
quiche::ObliviousHttpRequest::Context context,
base::TimeTicks start_time,
base::flat_map<blink::InterestGroupKey, url::Origin>
group_pagg_coordinators);
AdAuctionRequestContext(AdAuctionRequestContext&& other);
~AdAuctionRequestContext();
url::Origin seller;
base::flat_map<url::Origin, std::vector<std::string>> group_names;
quiche::ObliviousHttpRequest::Context context;
base::TimeTicks start_time;
base::flat_map<blink::InterestGroupKey, url::Origin> group_pagg_coordinators;
};
struct CONTENT_EXPORT SignedAdditionalBidWithMetadata {
SignedAdditionalBidWithMetadata(std::string_view signed_additional_bid,
std::optional<std::string_view> seller_nonce);
~SignedAdditionalBidWithMetadata();
SignedAdditionalBidWithMetadata(SignedAdditionalBidWithMetadata&&);
SignedAdditionalBidWithMetadata& operator=(SignedAdditionalBidWithMetadata&&);
// JSON object with "bid" (containing more JSON encoded as a string) and
// "signatures" fields.
std::string signed_additional_bid;
// The seller nonce for `signed_additional_bid`, if present.
std::optional<std::string> seller_nonce;
// ***** Please add new fields to the formatter below. *****
};
// Formatter for Google Test.
CONTENT_EXPORT std::ostream& operator<<(
std::ostream& out,
const SignedAdditionalBidWithMetadata& in);
// Contains auction header responses within a page. This will only be created
// for the outermost page (i.e. not within a fenced frame).
class CONTENT_EXPORT AdAuctionPageData
: public PageUserData<AdAuctionPageData> {
public:
~AdAuctionPageData() override;
void AddAuctionResultWitnessForOrigin(const url::Origin& origin,
const std::string& response);
bool WitnessedAuctionResultForOrigin(const url::Origin& origin,
const std::string& response) const;
void AddAuctionResultNonceWitnessForOrigin(const url::Origin& origin,
const std::string& nonce);
bool WitnessedAuctionResultNonceForOrigin(const url::Origin& origin,
const std::string& nonce) const;
void AddAuctionSignalsWitnessForOrigin(const url::Origin& origin,
const std::string& response);
void ParseAndFindAdAuctionSignals(
const url::Origin& origin,
const std::string& ad_slot,
HeaderDirectFromSellerSignals::ParseAndFindCompletedCallback callback);
void AddAuctionAdditionalBidsWitnessForOrigin(
const url::Origin& origin,
std::map<std::string, std::vector<SignedAdditionalBidWithMetadata>>
nonce_additional_bids_map);
std::vector<SignedAdditionalBidWithMetadata>
TakeAuctionAdditionalBidsForOriginAndNonce(const url::Origin& origin,
const std::string& nonce);
void RegisterAdAuctionRequestContext(const base::Uuid& id,
AdAuctionRequestContext context);
AdAuctionRequestContext* GetContextForAdAuctionRequest(
const ContextMapKey& key);
// Returns a pointer to a DataDecoder owned by this AdAuctionPageData instance
// The DataDecoder is only valid for the life of the page.
data_decoder::DataDecoder* GetDecoderFor(const url::Origin& origin);
// Returns real time reporting quota left for `origin`.
std::optional<std::pair<base::TimeTicks, double>> GetRealTimeReportingQuota(
const url::Origin& origin);
// Update real time reporting quota for `origin`.
void UpdateRealTimeReportingQuota(const url::Origin& origin,
std::pair<base::TimeTicks, double> quota);
private:
explicit AdAuctionPageData(Page& page);
friend class PageUserData<AdAuctionPageData>;
PAGE_USER_DATA_KEY_DECL();
void OnAddAuctionSignalsWitnessForOriginCompleted(
std::vector<std::string> errors);
std::map<url::Origin, std::set<std::string>> origin_auction_result_map_;
std::map<url::Origin, std::set<std::string>> origin_auction_result_nonce_map_;
HeaderDirectFromSellerSignals header_direct_from_seller_signals_;
std::map<url::Origin,
std::map<std::string, std::vector<SignedAdditionalBidWithMetadata>>>
origin_nonce_additional_bids_map_;
std::map<ContextMapKey, AdAuctionRequestContext> context_map_;
// The real time reporting quota left for origin at a certain timestamp. Used
// to do per page per reporting origin rate limiting on real time reporting.
// TODO(crbug.com/337132755): Clean this up after long enough time, in case
// some pages live for a while.
std::map<url::Origin, std::pair<base::TimeTicks, double>>
real_time_reporting_quota_;
// Must be declared last -- DataDecoder destruction cancels decoding
// completion callbacks.
std::map<url::Origin, std::unique_ptr<data_decoder::DataDecoder>>
decoder_map_;
};
} // namespace content
#endif // CONTENT_BROWSER_INTEREST_GROUP_AD_AUCTION_PAGE_DATA_H_
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