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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/service/sync_service_utils.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "components/sync/base/passphrase_enums.h"
#include "components/sync/service/sync_service.h"
#include "components/sync/service/sync_user_settings.h"
#include "google_apis/gaia/google_service_auth_error.h"
namespace syncer {
UploadState GetUploadToGoogleState(const SyncService* sync_service,
DataType type) {
// Without a SyncService, or in local-sync mode, there's no upload to Google.
if (!sync_service || sync_service->IsLocalSyncEnabled()) {
return UploadState::NOT_ACTIVE;
}
// Make sure that the current user settings include `type`.
if (!sync_service->GetPreferredDataTypes().Has(type)) {
return UploadState::NOT_ACTIVE;
}
// If the given DataType is encrypted with a custom passphrase, we also
// consider uploading inactive, since Google can't read the data.
// Note that encryption is tricky: Some data types (e.g. PASSWORDS) are always
// encrypted, but not necessarily with a custom passphrase. On the other hand,
// some data types are never encrypted (e.g. DEVICE_INFO), even if the
// "encrypt everything" setting is enabled.
if (sync_service->GetUserSettings()->GetAllEncryptedDataTypes().Has(type) &&
sync_service->GetUserSettings()->IsUsingExplicitPassphrase()) {
return UploadState::NOT_ACTIVE;
}
// Persistent auth errors always map to NOT_ACTIVE because they cause the
// transport state to be PAUSED (unless sync was DISABLED afterwards).
CHECK(!sync_service->GetAuthError().IsPersistentError() ||
sync_service->GetTransportState() ==
SyncService::TransportState::PAUSED ||
sync_service->GetTransportState() ==
SyncService::TransportState::DISABLED)
<< "Invalid transport state: "
<< static_cast<int>(sync_service->GetTransportState());
// SyncService never reports transient errors.
DCHECK(!sync_service->GetAuthError().IsTransientError());
switch (sync_service->GetTransportState()) {
case SyncService::TransportState::DISABLED:
case SyncService::TransportState::PAUSED:
return UploadState::NOT_ACTIVE;
case SyncService::TransportState::START_DEFERRED:
case SyncService::TransportState::INITIALIZING:
case SyncService::TransportState::PENDING_DESIRED_CONFIGURATION:
case SyncService::TransportState::CONFIGURING:
return UploadState::INITIALIZING;
case SyncService::TransportState::ACTIVE:
// If sync is active, but the data type in question still isn't, then
// something must have gone wrong with that data type.
if (!sync_service->GetActiveDataTypes().Has(type)) {
return UploadState::NOT_ACTIVE;
}
// TODO(crbug.com/41382444): We only know if the refresh token is actually
// valid (no auth error) after we've tried talking to the Sync server.
if (!sync_service->HasCompletedSyncCycle()) {
return UploadState::INITIALIZING;
}
return UploadState::ACTIVE;
}
NOTREACHED();
}
void RecordKeyRetrievalTrigger(TrustedVaultUserActionTriggerForUMA trigger) {
base::UmaHistogramEnumeration("Sync.TrustedVaultKeyRetrievalTrigger",
trigger);
}
void RecordRecoverabilityDegradedFixTrigger(
TrustedVaultUserActionTriggerForUMA trigger) {
base::UmaHistogramEnumeration(
"Sync.TrustedVaultRecoverabilityDegradedFixTrigger", trigger);
}
bool ShouldOfferTrustedVaultOptIn(const SyncService* service) {
if (!service) {
return false;
}
if (service->GetTransportState() != SyncService::TransportState::ACTIVE) {
// Transport state must be active so SyncUserSettings::GetPassphraseType()
// changes once the opt-in completes, and the UI is notified.
return false;
}
const DataTypeSet encrypted_types =
service->GetUserSettings()->GetAllEncryptedDataTypes();
if (Intersection(service->GetActiveDataTypes(), encrypted_types).empty()) {
// No point in offering the user a new encryption method if they are not
// syncing any encrypted types.
return false;
}
switch (service->GetUserSettings()->GetPassphraseType().value_or(
PassphraseType::kImplicitPassphrase)) {
case PassphraseType::kImplicitPassphrase:
case PassphraseType::kFrozenImplicitPassphrase:
case PassphraseType::kCustomPassphrase:
case PassphraseType::kTrustedVaultPassphrase:
// Either trusted vault is already set or a transition from this
// passphrase type to trusted vault is disallowed.
return false;
case PassphraseType::kKeystorePassphrase:
// Passphrase required should be extremely rare.
return !service->GetUserSettings()->IsPassphraseRequired();
}
}
} // namespace syncer
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