// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_SERVICES_DEVICE_SYNC_GROUP_PRIVATE_KEY_AND_BETTER_TOGETHER_METADATA_STATUS_H_
#define CHROMEOS_ASH_SERVICES_DEVICE_SYNC_GROUP_PRIVATE_KEY_AND_BETTER_TOGETHER_METADATA_STATUS_H_
#include <ostream>
namespace ash::device_sync {
// The group private key and better together metadata status in the
// CryptAuthDeviceSyncer. These enums are declared in their own module so they
// can be consumed by mojom::DeviceSync and avoid a dependency cycle.
enum class GroupPrivateKeyStatus {
// When Device Sync is not initialized, it cannot access the group private key
// status and will return this value.
kStatusUnavailableBecauseDeviceSyncIsNotInitialized,
// When the CryptAuthV2 device manager hasn't initialized a device syncer, it
// cannot access the group private key status and will return this value.
kStatusUnavailableBecauseNoDeviceSyncerSet,
// The CryptAuth SyncMetadata response that includes the encrypted group
// private key hasn't been received yet.
kWaitingForGroupPrivateKey,
// The SyncMetadata response was been received, but doesn't include any
// encrypted group private key. This is expected when no other user device
// uploaded the key or if we already own the key.
kNoEncryptedGroupPrivateKeyReceived,
// The SyncMetadata response was received, but the included encrypted group
// private key is empty.
kEncryptedGroupPrivateKeyEmpty,
// This device's CryptAuthKeyBundle::Name::kDeviceSyncBetterTogether key is
// missing, so the encrypted group private key cannot be decrypted.
kLocalDeviceSyncBetterTogetherKeyMissing,
// An error occurred when decrypting the group private key.
kGroupPrivateKeyDecryptionFailed,
// The group private key was successfully decrypted. This is the expected
// final state of this flow.
kGroupPrivateKeySuccessfullyDecrypted,
};
enum class BetterTogetherMetadataStatus {
// When Device Sync is not initialized, it cannot access the better together
// metadata status and will return this value.
kStatusUnavailableBecauseDeviceSyncIsNotInitialized,
// When the CryptAuthV2 device manager hasn't initialized a device syncer, it
// cannot access the better together metadata status and will return this
// value.
kStatusUnavailableBecauseNoDeviceSyncerSet,
// The attempt to process the encrypted device metadata hasn't started yet.
// If the device sync attempt finishes and this is still the metadata
// status, clients can inspect GroupPrivateKeyStatus to understand why.
kWaitingToProcessDeviceMetadata,
// The group private key required to decrypt the metadata is missing.
// Clients can inspect GroupPrivateKeyStatus to understand why the group
// private key is missing.
kGroupPrivateKeyMissing,
// CryptAuth didn't send any encrypted metadata.
kEncryptedMetadataEmpty,
// Device metadata was decrypted. This is the expected final state of this
// flow.
kMetadataDecrypted,
};
std::ostream& operator<<(std::ostream& stream,
const GroupPrivateKeyStatus& state);
std::ostream& operator<<(std::ostream& stream,
const BetterTogetherMetadataStatus& state);
} // namespace ash::device_sync
#endif // CHROMEOS_ASH_SERVICES_DEVICE_SYNC_GROUP_PRIVATE_KEY_AND_BETTER_TOGETHER_METADATA_STATUS_H_
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