/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.widget;

import android.app.PendingIntent;
import android.app.RemoteLockscreenValidationResult;
import android.app.RemoteLockscreenValidationSession;
import android.app.trust.IStrongAuthTracker;
import android.os.Bundle;
import android.security.keystore.recovery.WrappedApplicationKey;
import android.security.keystore.recovery.KeyChainSnapshot;
import android.security.keystore.recovery.KeyChainProtectionParams;
import android.security.keystore.recovery.RecoveryCertPath;
import com.android.internal.widget.ICheckCredentialProgressCallback;
import com.android.internal.widget.IWeakEscrowTokenActivatedListener;
import com.android.internal.widget.IWeakEscrowTokenRemovedListener;
import com.android.internal.widget.LockscreenCredential;
import com.android.internal.widget.VerifyCredentialResponse;

import java.util.Map;

/** {@hide} */
interface ILockSettings {
    @UnsupportedAppUsage
    void setBoolean(in String key, in boolean value, in int userId);
    @UnsupportedAppUsage
    void setLong(in String key, in long value, in int userId);
    @UnsupportedAppUsage
    void setString(in String key, in String value, in int userId);
    @UnsupportedAppUsage
    boolean getBoolean(in String key, in boolean defaultValue, in int userId);
    @UnsupportedAppUsage
    long getLong(in String key, in long defaultValue, in int userId);
    @UnsupportedAppUsage
    String getString(in String key, in String defaultValue, in int userId);
    boolean setLockCredential(in LockscreenCredential credential, in LockscreenCredential savedCredential, int userId);
    void resetKeyStore(int userId);
    VerifyCredentialResponse checkCredential(in LockscreenCredential credential, int userId,
            in ICheckCredentialProgressCallback progressCallback);
    VerifyCredentialResponse verifyCredential(in LockscreenCredential credential, int userId, int flags);
    VerifyCredentialResponse verifyTiedProfileChallenge(in LockscreenCredential credential, int userId, int flags);
    VerifyCredentialResponse verifyGatekeeperPasswordHandle(long gatekeeperPasswordHandle, long challenge, int userId);
    void removeGatekeeperPasswordHandle(long gatekeeperPasswordHandle);
    int getCredentialType(int userId);
    int getPinLength(int userId);
    boolean refreshStoredPinLength(int userId);
    byte[] getHashFactor(in LockscreenCredential currentCredential, int userId);
    void setSeparateProfileChallengeEnabled(int userId, boolean enabled, in LockscreenCredential managedUserPassword);
    boolean getSeparateProfileChallengeEnabled(int userId);
    void registerStrongAuthTracker(in IStrongAuthTracker tracker);
    void unregisterStrongAuthTracker(in IStrongAuthTracker tracker);
    void requireStrongAuth(int strongAuthReason, int userId);
    void reportSuccessfulBiometricUnlock(boolean isStrongBiometric, int userId);
    void scheduleNonStrongBiometricIdleTimeout(int userId);
    void systemReady();
    void userPresent(int userId);
    int getStrongAuthForUser(int userId);
    boolean hasPendingEscrowToken(int userId);

    // Keystore RecoveryController methods.
    // {@code ServiceSpecificException} may be thrown to signal an error, which caller can
    // convert to  {@code RecoveryManagerException}.
    void initRecoveryServiceWithSigFile(in String rootCertificateAlias,
            in byte[] recoveryServiceCertFile, in byte[] recoveryServiceSigFile);
    KeyChainSnapshot getKeyChainSnapshot();
    String generateKey(String alias);
    String generateKeyWithMetadata(String alias, in byte[] metadata);
    String importKey(String alias, in byte[] keyBytes);
    String importKeyWithMetadata(String alias, in byte[] keyBytes, in byte[] metadata);
    String getKey(String alias);
    void removeKey(String alias);
    void setSnapshotCreatedPendingIntent(in PendingIntent intent);
    void setServerParams(in byte[] serverParams);
    void setRecoveryStatus(in String alias, int status);
    Map getRecoveryStatus();
    void setRecoverySecretTypes(in int[] secretTypes);
    int[] getRecoverySecretTypes();
    byte[] startRecoverySessionWithCertPath(in String sessionId, in String rootCertificateAlias,
            in RecoveryCertPath verifierCertPath, in byte[] vaultParams, in byte[] vaultChallenge,
            in List<KeyChainProtectionParams> secrets);
    Map/*<String, String>*/ recoverKeyChainSnapshot(
            in String sessionId,
            in byte[] recoveryKeyBlob,
            in List<WrappedApplicationKey> applicationKeys);
    void closeSession(in String sessionId);
    RemoteLockscreenValidationSession startRemoteLockscreenValidation();
    RemoteLockscreenValidationResult validateRemoteLockscreen(in byte[] encryptedCredential);
    boolean hasSecureLockScreen();
    boolean tryUnlockWithCachedUnifiedChallenge(int userId);
    void removeCachedUnifiedChallenge(int userId);
    boolean registerWeakEscrowTokenRemovedListener(in IWeakEscrowTokenRemovedListener listener);
    boolean unregisterWeakEscrowTokenRemovedListener(in IWeakEscrowTokenRemovedListener listener);
    long addWeakEscrowToken(in byte[] token, int userId, in IWeakEscrowTokenActivatedListener callback);
    boolean removeWeakEscrowToken(long handle, int userId);
    boolean isWeakEscrowTokenActive(long handle, int userId);
    boolean isWeakEscrowTokenValid(long handle, in byte[] token, int userId);
    void unlockUserKeyIfUnsecured(int userId);
    boolean writeRepairModeCredential(int userId);
}