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https://github.com/kidfromjupiter/nearby.git
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105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_G3_CREDENTIAL_STORAGE_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_G3_CREDENTIAL_STORAGE_H_
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#include <memory>
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#include <string>
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#include <tuple>
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#include <utility>
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#include <vector>
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#include "absl/container/flat_hash_map.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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#include "internal/platform/implementation/credential_callbacks.h"
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#include "internal/platform/implementation/credential_storage.h"
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#include "internal/proto/credential.pb.h"
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namespace nearby {
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namespace g3 {
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/*
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* The instance of CredentialStorageImpl is owned by {@code CredentialManager}.
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* It's a wrapper on top of implementation/credential_storage.h to providing
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* credential storage operations for Nearby logic layer to invoke.
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*/
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class CredentialStorageImpl : public api::CredentialStorage {
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public:
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using LocalCredential = ::nearby::internal::LocalCredential;
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using SharedCredential = ::nearby::internal::SharedCredential;
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using PublicCredentialType = ::nearby::presence::PublicCredentialType;
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using LocalCredentialKey = std::pair<std::string, std::string>;
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using PublicCredentialKey =
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std::tuple<std::string, std::string, PublicCredentialType>;
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explicit CredentialStorageImpl() = default;
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~CredentialStorageImpl() override = default;
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// Used to save private and public credentials.
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void SaveCredentials(
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absl::string_view manager_app_id, absl::string_view account_name,
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const std::vector<LocalCredential>& private_credentials,
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const std::vector<SharedCredential>& public_credentials,
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PublicCredentialType public_credential_type,
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SaveCredentialsResultCallback callback) override;
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void UpdateLocalCredential(absl::string_view manager_app_id,
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absl::string_view account_name,
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nearby::internal::LocalCredential credential,
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SaveCredentialsResultCallback callback) override;
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// Used to fetch private creds when broadcasting.
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void GetLocalCredentials(
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const CredentialSelector& credential_selector,
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GetLocalCredentialsResultCallback callback) override;
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// Used to fetch remote public creds when scanning.
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void GetPublicCredentials(
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const CredentialSelector& credential_selector,
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PublicCredentialType public_credential_type,
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GetPublicCredentialsResultCallback callback) override;
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private:
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LocalCredentialKey CreateLocalCredentialKey(
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absl::string_view manager_app_id, absl::string_view account_name) {
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return std::make_tuple(std::string(manager_app_id),
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std::string(account_name));
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}
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PublicCredentialKey CreatePublicCredentialKey(
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absl::string_view manager_app_id, absl::string_view account_name,
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PublicCredentialType credential_type) {
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return std::make_tuple(std::string(manager_app_id),
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std::string(account_name), credential_type);
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}
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absl::StatusOr<std::vector<LocalCredential>> GetLocalCredentialsLocked(
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const CredentialSelector& credential_selector);
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void SaveLocalCredentialsLocked(
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absl::string_view manager_app_id, absl::string_view account_name,
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const std::vector<LocalCredential>& private_credentials);
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absl::flat_hash_map<LocalCredentialKey, std::vector<LocalCredential>>
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private_credentials_map_;
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absl::flat_hash_map<PublicCredentialKey, std::vector<SharedCredential>>
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public_credentials_map_;
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absl::Mutex private_mutex_;
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absl::Mutex public_mutex_;
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};
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} // namespace g3
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_G3_CREDENTIAL_STORAGE_H_
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