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// Copyright 2015 The Weave 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 LIBWEAVE_SRC_PRIVET_AUTH_MANAGER_H_
#define LIBWEAVE_SRC_PRIVET_AUTH_MANAGER_H_
#include <deque>
#include <string>
#include <vector>
#include <base/time/default_clock.h>
#include <base/time/time.h>
#include <weave/error.h>
#include "src/privet/privet_types.h"
namespace weave {
class Config;
enum class RootClientTokenOwner;
namespace privet {
class AuthManager {
public:
AuthManager(Config* config,
const std::vector<uint8_t>& certificate_fingerprint);
// Constructor for tests.
AuthManager(const std::vector<uint8_t>& auth_secret,
const std::vector<uint8_t>& certificate_fingerprint,
const std::vector<uint8_t>& access_secret,
base::Clock* clock = nullptr);
~AuthManager();
std::vector<uint8_t> CreateAccessToken(const UserInfo& user_info,
base::TimeDelta ttl) const;
bool ParseAccessToken(const std::vector<uint8_t>& token,
UserInfo* user_info,
ErrorPtr* error) const;
const std::vector<uint8_t>& GetAuthSecret() const { return auth_secret_; }
const std::vector<uint8_t>& GetAccessSecret() const { return access_secret_; }
const std::vector<uint8_t>& GetCertificateFingerprint() const {
return certificate_fingerprint_;
}
base::Time Now() const;
std::vector<uint8_t> ClaimRootClientAuthToken(RootClientTokenOwner owner,
ErrorPtr* error);
bool ConfirmClientAuthToken(const std::vector<uint8_t>& token,
ErrorPtr* error);
std::vector<uint8_t> GetRootClientAuthToken() const;
bool IsValidAuthToken(const std::vector<uint8_t>& token,
ErrorPtr* error) const;
bool CreateAccessTokenFromAuth(const std::vector<uint8_t>& auth_token,
base::TimeDelta ttl,
std::vector<uint8_t>* access_token,
AuthScope* access_token_scope,
base::TimeDelta* access_token_ttl,
ErrorPtr* error) const;
void SetAuthSecret(const std::vector<uint8_t>& secret,
RootClientTokenOwner owner);
std::vector<uint8_t> CreateSessionId();
private:
Config* config_{nullptr}; // Can be nullptr for tests.
base::DefaultClock default_clock_;
base::Clock* clock_{&default_clock_};
uint32_t session_counter_{0};
std::vector<uint8_t> auth_secret_; // Persistent.
std::vector<uint8_t> certificate_fingerprint_;
std::vector<uint8_t> access_secret_; // New on every reboot.
std::deque<std::pair<std::unique_ptr<AuthManager>, RootClientTokenOwner>>
pending_claims_;
DISALLOW_COPY_AND_ASSIGN(AuthManager);
};
} // namespace privet
} // namespace weave
#endif // LIBWEAVE_SRC_PRIVET_AUTH_MANAGER_H_
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