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91 lines
3.4 KiB
C++
91 lines
3.4 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_PRESENCE_IMPLEMENTATION_CREDENTIAL_MANAGER_H_
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#define THIRD_PARTY_NEARBY_PRESENCE_IMPLEMENTATION_CREDENTIAL_MANAGER_H_
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#include <functional>
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#include <string>
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#include <vector>
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#include "absl/status/statusor.h"
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#include "absl/strings/string_view.h"
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#include "internal/platform/implementation/credential_storage.h"
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#include "third_party/nearby/presence/presence_identity.h"
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#include "third_party/nearby/presence/proto/credential.pb.h"
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namespace nearby {
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namespace presence {
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using ::nearby::presence::PresenceIdentity;
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struct GenerateCredentialsCallback {
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std::function<void(std::vector<proto::PublicCredential>)>
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credentials_generated_cb;
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};
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struct UpdateRemotePublicCredentialsCallback {
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std::function<void(location::nearby::api::CredentialOperationStatus)>
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credentials_updated_cb;
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};
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/*
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* The instance of CredentialManager is owned by {@code ServiceControllerImpl}.
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* Helping service controller to manage local credentials and coordinate with
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* downloaded remote credentials.
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*/
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class CredentialManager {
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public:
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CredentialManager() = default;
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virtual ~CredentialManager() = default;
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// Used to (re)generate user’s private and public credentials.
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// The generated private credentials will be saved to creds storage.
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// The generated public credentials will be returned inside the
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// credentials_generated_cb for manager app to upload to web.
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// The user’s own public credentials won’t be saved on local credential
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// storage.
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virtual void GenerateCredentials(
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proto::DeviceMetadata device_metadata,
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std::vector<PresenceIdentity::IdentityType> identity_types,
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GenerateCredentialsCallback credentials_generated_cb) = 0;
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// Update remote public credentials.
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virtual void UpdateRemotePublicCredentials(
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std::string account_name,
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std::vector<proto::PublicCredential> remote_public_creds,
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UpdateRemotePublicCredentialsCallback credentials_updated_cb) = 0;
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// Used to fetch private creds when broadcasting.
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virtual void GetPrivateCredentials(
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location::nearby::api::CredentialSelector credential_selector,
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location::nearby::api::GetPrivateCredentialsResultCallback callback) = 0;
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// Used to fetch remote public creds when scanning.
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virtual void GetPublicCredentials(
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location::nearby::api::CredentialSelector credential_selector,
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location::nearby::api::GetPublicCredentialsResultCallback callback) = 0;
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// Decrypts Data Elements from an NP advertisement.
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// Returns an error if `metadata_key` is not associated with any known
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// credentials (identity).
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virtual absl::StatusOr<std::string> DecryptDataElements(
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absl::string_view metadata_key, absl::string_view salt,
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absl::string_view data_elements) = 0;
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};
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} // namespace presence
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_PRESENCE_IMPLEMENTATION_CREDENTIAL_MANAGER_H_
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