chromium/net/third_party/quiche/src/quiche/blind_sign_auth/blind_sign_auth.cc

// Copyright (c) 2023 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "quiche/blind_sign_auth/blind_sign_auth.h"

#include <cstddef>
#include <cstdint>
#include <cstring>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

#include "absl/algorithm/container.h"
#include "absl/functional/bind_front.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/escaping.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#include "absl/time/clock.h"
#include "absl/time/time.h"
#include "absl/types/span.h"
#include "anonymous_tokens/cpp/crypto/crypto_utils.h"
#include "anonymous_tokens/cpp/privacy_pass/rsa_bssa_public_metadata_client.h"
#include "anonymous_tokens/cpp/privacy_pass/token_encodings.h"
#include "anonymous_tokens/cpp/shared/proto_utils.h"
#include "quiche/blind_sign_auth/blind_sign_auth_interface.h"
#include "quiche/blind_sign_auth/blind_sign_auth_protos.h"
#include "quiche/blind_sign_auth/blind_sign_message_interface.h"
#include "quiche/blind_sign_auth/blind_sign_message_response.h"
#include "quiche/common/platform/api/quiche_logging.h"
#include "quiche/common/quiche_random.h"

namespace quiche {
namespace {

template <typename T>
std::string OmitDefault(T value) { … }

constexpr absl::string_view kIssuerHostname = …;

}  // namespace

void BlindSignAuth::GetTokens(std::optional<std::string> oauth_token,
                              int num_tokens, ProxyLayer proxy_layer,
                              BlindSignAuthServiceType service_type,
                              SignedTokenCallback callback) { … }

void BlindSignAuth::GetInitialDataCallback(
    std::optional<std::string> oauth_token, int num_tokens,
    ProxyLayer proxy_layer, BlindSignAuthServiceType service_type,
    SignedTokenCallback callback,
    absl::StatusOr<BlindSignMessageResponse> response) { … }

void BlindSignAuth::GeneratePrivacyPassTokens(
    privacy::ppn::GetInitialDataResponse initial_data_response,
    std::optional<std::string> oauth_token, int num_tokens,
    ProxyLayer proxy_layer, BlindSignAuthServiceType service_type,
    SignedTokenCallback callback) { … }

void BlindSignAuth::PrivacyPassAuthAndSignCallback(
    std::string encoded_extensions, absl::Time public_key_expiry_time,
    anonymous_tokens::GeoHint geo_hint,
    anonymous_tokens::AnonymousTokensUseCase use_case,
    std::vector<std::unique_ptr<anonymous_tokens::
                                    PrivacyPassRsaBssaPublicMetadataClient>>
        privacy_pass_clients,
    SignedTokenCallback callback,
    absl::StatusOr<BlindSignMessageResponse> response) { … }

privacy::ppn::ProxyLayer BlindSignAuth::QuicheProxyLayerToPpnProxyLayer(
    quiche::ProxyLayer proxy_layer) { … }

std::string BlindSignAuth::ConvertBase64ToWebSafeBase64(
    std::string base64_string) { … }

std::string BlindSignAuthServiceTypeToString(
    quiche::BlindSignAuthServiceType service_type) { … }

}  // namespace quiche