diff options
Diffstat (limited to 'packages/SystemUI/src/com/android/keyguard/KeyguardSimPukViewController.java')
| -rw-r--r-- | packages/SystemUI/src/com/android/keyguard/KeyguardSimPukViewController.java | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukViewController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukViewController.java new file mode 100644 index 000000000000..9b2166b04415 --- /dev/null +++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSimPukViewController.java @@ -0,0 +1,404 @@ +/* + * 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.View; +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.Dependency; +import com.android.systemui.R; + +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; + mKeyguardSecurityCallback.dismiss(true, KeyguardUpdateMonitor.getCurrentUser()); + } 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) { + super(view, keyguardUpdateMonitor, securityMode, lockPatternUtils, keyguardSecurityCallback, + messageAreaControllerFactory, latencyTracker, liftToActivateListener); + 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 + 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(); + } + boolean isEsimLocked = KeyguardEsimArea.isEsimLocked(mView.getContext(), mSubId); + + KeyguardEsimArea esimButton = mView.findViewById(R.id.keyguard_esim_area); + esimButton.setVisibility(isEsimLocked ? View.VISIBLE : View.GONE); + 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[] { R.attr.wallpaperTextColor }); + 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 = Dependency.get(KeyguardUpdateMonitor.class) + .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.getType() != PinResult.PIN_RESULT_TYPE_SUCCESS); + if (result.getType() == PinResult.PIN_RESULT_TYPE_SUCCESS) { + mKeyguardUpdateMonitor.reportSimUnlocked(mSubId); + mRemainingAttempts = -1; + mShowDefaultMessage = true; + + mKeyguardSecurityCallback.dismiss( + true, KeyguardUpdateMonitor.getCurrentUser()); + } else { + mShowDefaultMessage = false; + if (result.getType() == 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; + } + + /** + * 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 supplyPukReportResult()"); + TelephonyManager telephonyManager = mTelephonyManager.createForSubscriptionId(mSubId); + final PinResult result = telephonyManager.supplyPukReportPinResult(mPuk, mPin); + if (result == null) { + Log.e(TAG, "Error result for supplyPukReportResult."); + mView.post(() -> onSimLockChangedResponse(PinResult.getDefaultFailedResult())); + } else { + if (DEBUG) { + Log.v(TAG, "supplyPukReportResult returned: " + result.toString()); + } + mView.post(new Runnable() { + @Override + public void run() { + onSimLockChangedResponse(result); + } + }); + } + } + } + +} |