| /* |
| * Copyright (C) 2020 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.keyguard; |
| |
| import android.annotation.NonNull; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.ProgressDialog; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Color; |
| import android.telephony.PinResult; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| import android.view.WindowManager; |
| import android.widget.ImageView; |
| |
| import com.android.internal.util.LatencyTracker; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.keyguard.KeyguardSecurityModel.SecurityMode; |
| import com.android.systemui.R; |
| import com.android.systemui.classifier.FalsingCollector; |
| import com.android.systemui.flags.FeatureFlags; |
| |
| public class KeyguardSimPukViewController |
| extends KeyguardPinBasedInputViewController<KeyguardSimPukView> { |
| private static final boolean DEBUG = KeyguardConstants.DEBUG; |
| public static final String TAG = "KeyguardSimPukView"; |
| |
| private final KeyguardUpdateMonitor mKeyguardUpdateMonitor; |
| private final TelephonyManager mTelephonyManager; |
| |
| private String mPukText; |
| private String mPinText; |
| private int mRemainingAttempts; |
| // Below flag is set to true during power-up or when a new SIM card inserted on device. |
| // When this is true and when SIM card is PUK locked state, on PIN lock screen, message would |
| // be displayed to inform user about the number of remaining PUK attempts left. |
| private boolean mShowDefaultMessage; |
| private StateMachine mStateMachine = new StateMachine(); |
| private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; |
| private CheckSimPuk mCheckSimPukThread; |
| private ProgressDialog mSimUnlockProgressDialog; |
| |
| KeyguardUpdateMonitorCallback mUpdateMonitorCallback = new KeyguardUpdateMonitorCallback() { |
| @Override |
| public void onSimStateChanged(int subId, int slotId, int simState) { |
| if (DEBUG) Log.v(TAG, "onSimStateChanged(subId=" + subId + ",state=" + simState + ")"); |
| // If the SIM is unlocked via a key sequence through the emergency dialer, it will |
| // move into the READY state and the PUK lock keyguard should be removed. |
| if (simState == TelephonyManager.SIM_STATE_READY) { |
| mRemainingAttempts = -1; |
| mShowDefaultMessage = true; |
| getKeyguardSecurityCallback().dismiss(true, KeyguardUpdateMonitor.getCurrentUser(), |
| SecurityMode.SimPuk); |
| } else { |
| resetState(); |
| } |
| } |
| }; |
| private ImageView mSimImageView; |
| private AlertDialog mRemainingAttemptsDialog; |
| |
| protected KeyguardSimPukViewController(KeyguardSimPukView view, |
| KeyguardUpdateMonitor keyguardUpdateMonitor, |
| SecurityMode securityMode, LockPatternUtils lockPatternUtils, |
| KeyguardSecurityCallback keyguardSecurityCallback, |
| KeyguardMessageAreaController.Factory messageAreaControllerFactory, |
| LatencyTracker latencyTracker, LiftToActivateListener liftToActivateListener, |
| TelephonyManager telephonyManager, FalsingCollector falsingCollector, |
| EmergencyButtonController emergencyButtonController, FeatureFlags featureFlags) { |
| super(view, keyguardUpdateMonitor, securityMode, lockPatternUtils, keyguardSecurityCallback, |
| messageAreaControllerFactory, latencyTracker, liftToActivateListener, |
| emergencyButtonController, falsingCollector, featureFlags); |
| mKeyguardUpdateMonitor = keyguardUpdateMonitor; |
| mTelephonyManager = telephonyManager; |
| mSimImageView = mView.findViewById(R.id.keyguard_sim); |
| } |
| |
| @Override |
| protected void onViewAttached() { |
| super.onViewAttached(); |
| mKeyguardUpdateMonitor.registerCallback(mUpdateMonitorCallback); |
| } |
| |
| @Override |
| protected void onViewDetached() { |
| super.onViewDetached(); |
| mKeyguardUpdateMonitor.removeCallback(mUpdateMonitorCallback); |
| } |
| |
| @Override |
| public void onResume(int reason) { |
| super.onResume(reason); |
| if (mShowDefaultMessage) { |
| showDefaultMessage(); |
| } |
| } |
| |
| @Override |
| void resetState() { |
| super.resetState(); |
| mStateMachine.reset(); |
| } |
| |
| @Override |
| protected void verifyPasswordAndUnlock() { |
| mStateMachine.next(); |
| } |
| |
| private class StateMachine { |
| static final int ENTER_PUK = 0; |
| static final int ENTER_PIN = 1; |
| static final int CONFIRM_PIN = 2; |
| static final int DONE = 3; |
| |
| private int mState = ENTER_PUK; |
| |
| public void next() { |
| int msg = 0; |
| if (mState == ENTER_PUK) { |
| if (checkPuk()) { |
| mState = ENTER_PIN; |
| msg = com.android.systemui.R.string.kg_puk_enter_pin_hint; |
| } else { |
| msg = com.android.systemui.R.string.kg_invalid_sim_puk_hint; |
| } |
| } else if (mState == ENTER_PIN) { |
| if (checkPin()) { |
| mState = CONFIRM_PIN; |
| msg = com.android.systemui.R.string.kg_enter_confirm_pin_hint; |
| } else { |
| msg = com.android.systemui.R.string.kg_invalid_sim_pin_hint; |
| } |
| } else if (mState == CONFIRM_PIN) { |
| if (confirmPin()) { |
| mState = DONE; |
| msg = com.android.systemui.R.string.keyguard_sim_unlock_progress_dialog_message; |
| updateSim(); |
| } else { |
| mState = ENTER_PIN; // try again? |
| msg = com.android.systemui.R.string.kg_invalid_confirm_pin_hint; |
| } |
| } |
| mView.resetPasswordText(true /* animate */, true /* announce */); |
| if (msg != 0) { |
| mMessageAreaController.setMessage(msg); |
| } |
| } |
| |
| |
| void reset() { |
| mPinText = ""; |
| mPukText = ""; |
| mState = ENTER_PUK; |
| handleSubInfoChangeIfNeeded(); |
| if (mShowDefaultMessage) { |
| showDefaultMessage(); |
| } |
| |
| mView.setESimLocked(KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId), mSubId); |
| |
| mPasswordEntry.requestFocus(); |
| } |
| } |
| |
| private void showDefaultMessage() { |
| if (mRemainingAttempts >= 0) { |
| mMessageAreaController.setMessage(mView.getPukPasswordErrorMessage( |
| mRemainingAttempts, true, |
| KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId))); |
| return; |
| } |
| |
| boolean isEsimLocked = KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId); |
| int count = 1; |
| if (mTelephonyManager != null) { |
| count = mTelephonyManager.getActiveModemCount(); |
| } |
| Resources rez = mView.getResources(); |
| String msg; |
| TypedArray array = mView.getContext().obtainStyledAttributes( |
| new int[] { android.R.attr.textColor }); |
| int color = array.getColor(0, Color.WHITE); |
| array.recycle(); |
| if (count < 2) { |
| msg = rez.getString(R.string.kg_puk_enter_puk_hint); |
| } else { |
| SubscriptionInfo info = mKeyguardUpdateMonitor.getSubscriptionInfoForSubId(mSubId); |
| CharSequence displayName = info != null ? info.getDisplayName() : ""; |
| msg = rez.getString(R.string.kg_puk_enter_puk_hint_multi, displayName); |
| if (info != null) { |
| color = info.getIconTint(); |
| } |
| } |
| if (isEsimLocked) { |
| msg = rez.getString(R.string.kg_sim_lock_esim_instructions, msg); |
| } |
| mMessageAreaController.setMessage(msg); |
| mSimImageView.setImageTintList(ColorStateList.valueOf(color)); |
| |
| // Sending empty PUK here to query the number of remaining PIN attempts |
| new CheckSimPuk("", "", mSubId) { |
| void onSimLockChangedResponse(final PinResult result) { |
| if (result == null) Log.e(TAG, "onSimCheckResponse, pin result is NULL"); |
| else { |
| Log.d(TAG, "onSimCheckResponse " + " empty One result " |
| + result.toString()); |
| if (result.getAttemptsRemaining() >= 0) { |
| mRemainingAttempts = result.getAttemptsRemaining(); |
| mMessageAreaController.setMessage( |
| mView.getPukPasswordErrorMessage( |
| result.getAttemptsRemaining(), true, |
| KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId))); |
| } |
| } |
| } |
| }.start(); |
| } |
| |
| private boolean checkPuk() { |
| // make sure the puk is at least 8 digits long. |
| if (mPasswordEntry.getText().length() == 8) { |
| mPukText = mPasswordEntry.getText(); |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean checkPin() { |
| // make sure the PIN is between 4 and 8 digits |
| int length = mPasswordEntry.getText().length(); |
| if (length >= 4 && length <= 8) { |
| mPinText = mPasswordEntry.getText(); |
| return true; |
| } |
| return false; |
| } |
| |
| public boolean confirmPin() { |
| return mPinText.equals(mPasswordEntry.getText()); |
| } |
| |
| private void updateSim() { |
| getSimUnlockProgressDialog().show(); |
| |
| if (mCheckSimPukThread == null) { |
| mCheckSimPukThread = new CheckSimPuk(mPukText, mPinText, mSubId) { |
| @Override |
| void onSimLockChangedResponse(final PinResult result) { |
| mView.post(() -> { |
| if (mSimUnlockProgressDialog != null) { |
| mSimUnlockProgressDialog.hide(); |
| } |
| mView.resetPasswordText(true /* animate */, |
| /* announce */ |
| result.getResult() != PinResult.PIN_RESULT_TYPE_SUCCESS); |
| if (result.getResult() == PinResult.PIN_RESULT_TYPE_SUCCESS) { |
| mKeyguardUpdateMonitor.reportSimUnlocked(mSubId); |
| mRemainingAttempts = -1; |
| mShowDefaultMessage = true; |
| |
| getKeyguardSecurityCallback().dismiss( |
| true, KeyguardUpdateMonitor.getCurrentUser(), |
| SecurityMode.SimPuk); |
| } else { |
| mShowDefaultMessage = false; |
| if (result.getResult() == PinResult.PIN_RESULT_TYPE_INCORRECT) { |
| // show message |
| mMessageAreaController.setMessage(mView.getPukPasswordErrorMessage( |
| result.getAttemptsRemaining(), false, |
| KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId))); |
| if (result.getAttemptsRemaining() <= 2) { |
| // this is getting critical - show dialog |
| getPukRemainingAttemptsDialog( |
| result.getAttemptsRemaining()).show(); |
| } else { |
| // show message |
| mMessageAreaController.setMessage( |
| mView.getPukPasswordErrorMessage( |
| result.getAttemptsRemaining(), false, |
| KeyguardEsimArea.isEsimLocked( |
| mView.getContext(), mSubId))); |
| } |
| } else { |
| mMessageAreaController.setMessage(mView.getResources().getString( |
| R.string.kg_password_puk_failed)); |
| } |
| if (DEBUG) { |
| Log.d(TAG, "verifyPasswordAndUnlock " |
| + " UpdateSim.onSimCheckResponse: " |
| + " attemptsRemaining=" + result.getAttemptsRemaining()); |
| } |
| } |
| mStateMachine.reset(); |
| mCheckSimPukThread = null; |
| }); |
| } |
| }; |
| mCheckSimPukThread.start(); |
| } |
| } |
| |
| @Override |
| protected boolean shouldLockout(long deadline) { |
| // SIM PUK doesn't have a timed lockout |
| return false; |
| } |
| |
| private Dialog getSimUnlockProgressDialog() { |
| if (mSimUnlockProgressDialog == null) { |
| mSimUnlockProgressDialog = new ProgressDialog(mView.getContext()); |
| mSimUnlockProgressDialog.setMessage( |
| mView.getResources().getString(R.string.kg_sim_unlock_progress_dialog_message)); |
| mSimUnlockProgressDialog.setIndeterminate(true); |
| mSimUnlockProgressDialog.setCancelable(false); |
| if (!(mView.getContext() instanceof Activity)) { |
| mSimUnlockProgressDialog.getWindow().setType( |
| WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| } |
| } |
| return mSimUnlockProgressDialog; |
| } |
| |
| private void handleSubInfoChangeIfNeeded() { |
| int subId = mKeyguardUpdateMonitor.getNextSubIdForState( |
| TelephonyManager.SIM_STATE_PUK_REQUIRED); |
| if (subId != mSubId && SubscriptionManager.isValidSubscriptionId(subId)) { |
| mSubId = subId; |
| mShowDefaultMessage = true; |
| mRemainingAttempts = -1; |
| } |
| } |
| |
| |
| private Dialog getPukRemainingAttemptsDialog(int remaining) { |
| String msg = mView.getPukPasswordErrorMessage(remaining, false, |
| KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId)); |
| if (mRemainingAttemptsDialog == null) { |
| AlertDialog.Builder builder = new AlertDialog.Builder(mView.getContext()); |
| builder.setMessage(msg); |
| builder.setCancelable(false); |
| builder.setNeutralButton(R.string.ok, null); |
| mRemainingAttemptsDialog = builder.create(); |
| mRemainingAttemptsDialog.getWindow().setType( |
| WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| } else { |
| mRemainingAttemptsDialog.setMessage(msg); |
| } |
| return mRemainingAttemptsDialog; |
| } |
| |
| @Override |
| public void onPause() { |
| // dismiss the dialog. |
| if (mSimUnlockProgressDialog != null) { |
| mSimUnlockProgressDialog.dismiss(); |
| mSimUnlockProgressDialog = null; |
| } |
| } |
| |
| /** |
| * Since the IPC can block, we want to run the request in a separate thread |
| * with a callback. |
| */ |
| private abstract class CheckSimPuk extends Thread { |
| |
| private final String mPin, mPuk; |
| private final int mSubId; |
| |
| protected CheckSimPuk(String puk, String pin, int subId) { |
| mPuk = puk; |
| mPin = pin; |
| mSubId = subId; |
| } |
| |
| abstract void onSimLockChangedResponse(@NonNull PinResult result); |
| |
| @Override |
| public void run() { |
| if (DEBUG) { |
| Log.v(TAG, "call supplyIccLockPuk(subid=" + mSubId + ")"); |
| } |
| TelephonyManager telephonyManager = mTelephonyManager.createForSubscriptionId(mSubId); |
| final PinResult result = telephonyManager.supplyIccLockPuk(mPuk, mPin); |
| if (DEBUG) { |
| Log.v(TAG, "supplyIccLockPuk returned: " + result.toString()); |
| } |
| mView.post(() -> onSimLockChangedResponse(result)); |
| } |
| } |
| |
| } |