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- // Copyright 2020 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.
- #ifndef COMPONENTS_COMPONENT_UPDATER_INSTALLER_POLICIES_TRUST_TOKEN_KEY_COMMITMENTS_COMPONENT_INSTALLER_POLICY_H_
- #define COMPONENTS_COMPONENT_UPDATER_INSTALLER_POLICIES_TRUST_TOKEN_KEY_COMMITMENTS_COMPONENT_INSTALLER_POLICY_H_
- #include <stdint.h>
- #include <memory>
- #include <string>
- #include <utility>
- #include <vector>
- #include "base/callback.h"
- #include "base/files/file_path.h"
- #include "base/gtest_prod_util.h"
- #include "base/values.h"
- #include "components/component_updater/component_installer.h"
- #include "third_party/abseil-cpp/absl/types/optional.h"
- namespace base {
- class FilePath;
- } // namespace base
- namespace component_updater {
- // This file name must be in sync with the server-side configuration, or updates
- // will fail.
- const base::FilePath::CharType kTrustTokenKeyCommitmentsFileName[] =
- FILE_PATH_LITERAL("keys.json");
- // TrustTokenKeyCommitmentsComponentInstallerPolicy defines an installer
- // responsible for receiving updated Trust Tokens
- // (https://github.com/wicg/trust-token-api) key commitments and passing them to
- // the network service via Mojo.
- class TrustTokenKeyCommitmentsComponentInstallerPolicy
- : public ComponentInstallerPolicy {
- public:
- // |on_commitments_ready| will be called on the UI thread when
- // key commitments become ready; it's exposed for testing.
- explicit TrustTokenKeyCommitmentsComponentInstallerPolicy(
- base::RepeatingCallback<void(const std::string&)> on_commitments_ready);
- ~TrustTokenKeyCommitmentsComponentInstallerPolicy() override;
- TrustTokenKeyCommitmentsComponentInstallerPolicy(
- const TrustTokenKeyCommitmentsComponentInstallerPolicy&) = delete;
- TrustTokenKeyCommitmentsComponentInstallerPolicy& operator=(
- const TrustTokenKeyCommitmentsComponentInstallerPolicy&) = delete;
- // Returns the component's SHA2 hash as raw bytes.
- static void GetPublicKeyHash(std::vector<uint8_t>* hash);
- // Loads trust tokens from string using the given `load_keys_from_disk` call.
- //
- // static to allow sharing with the Android `ComponentLoaderPolicy`.
- //
- // `load_keys_from_disk` a callback that read trust tokens from file and
- // return them as an optional string. `on_commitments_ready` loads trust
- // tokens in network service.
- static void LoadTrustTokensFromString(
- base::OnceCallback<absl::optional<std::string>()> load_keys_from_disk,
- base::OnceCallback<void(const std::string&)> on_commitments_ready);
- protected:
- void GetHash(std::vector<uint8_t>* hash) const override;
- private:
- FRIEND_TEST_ALL_PREFIXES(TrustTokenKeyCommitmentsComponentInstallerTest,
- LoadsCommitments);
- FRIEND_TEST_ALL_PREFIXES(TrustTokenKeyCommitmentsComponentInstallerTest,
- LoadsCommitmentsFromOverriddenPath);
- // The following methods override ComponentInstallerPolicy.
- bool SupportsGroupPolicyEnabledComponentUpdates() const override;
- bool RequiresNetworkEncryption() const override;
- update_client::CrxInstaller::Result OnCustomInstall(
- const base::Value& manifest,
- const base::FilePath& install_dir) override;
- void OnCustomUninstall() override;
- bool VerifyInstallation(const base::Value& manifest,
- const base::FilePath& install_dir) const override;
- void ComponentReady(const base::Version& version,
- const base::FilePath& install_dir,
- base::Value manifest) override;
- base::FilePath GetRelativeInstallDir() const override;
- std::string GetName() const override;
- update_client::InstallerAttributes GetInstallerAttributes() const override;
- static base::FilePath GetInstalledPath(const base::FilePath& base);
- base::RepeatingCallback<void(const std::string&)> on_commitments_ready_;
- };
- } // namespace component_updater
- #endif // COMPONENTS_COMPONENT_UPDATER_INSTALLER_POLICIES_TRUST_TOKEN_KEY_COMMITMENTS_COMPONENT_INSTALLER_POLICY_H_
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