| /* |
| * 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.keyguard; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.ProgressDialog; |
| import android.graphics.Color; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.telephony.euicc.EuiccManager; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.ImageView; |
| |
| import com.android.internal.telephony.ITelephony; |
| import com.android.internal.telephony.IccCardConstants; |
| import com.android.internal.telephony.PhoneConstants; |
| import com.android.internal.telephony.IccCardConstants.State; |
| |
| |
| /** |
| * Displays a PIN pad for entering a PUK (Pin Unlock Kode) provided by a carrier. |
| */ |
| public class KeyguardSimPukView extends KeyguardPinBasedInputView { |
| private static final String LOG_TAG = "KeyguardSimPukView"; |
| private static final boolean DEBUG = KeyguardConstants.DEBUG; |
| public static final String TAG = "KeyguardSimPukView"; |
| |
| private ProgressDialog mSimUnlockProgressDialog = null; |
| private CheckSimPuk mCheckSimPukThread; |
| |
| // 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 = true; |
| private int mRemainingAttempts = -1; |
| private String mPukText; |
| private String mPinText; |
| private StateMachine mStateMachine = new StateMachine(); |
| private AlertDialog mRemainingAttemptsDialog; |
| private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; |
| private ImageView mSimImageView; |
| |
| KeyguardUpdateMonitorCallback mUpdateMonitorCallback = new KeyguardUpdateMonitorCallback() { |
| @Override |
| public void onSimStateChanged(int subId, int slotId, State simState) { |
| if (DEBUG) Log.v(TAG, "onSimStateChanged(subId=" + subId + ",state=" + simState + ")"); |
| switch(simState) { |
| // If the SIM is removed, then we must remove the keyguard. It will be put up |
| // again when the PUK locked SIM is re-entered. |
| case ABSENT: |
| // intentional fall-through |
| // 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. |
| case READY: { |
| KeyguardUpdateMonitor.getInstance(getContext()).reportSimUnlocked(mSubId); |
| // mCallback can be null if onSimStateChanged callback is called when keyguard |
| // isn't active. |
| if (mCallback != null) { |
| mCallback.dismiss(true, KeyguardUpdateMonitor.getCurrentUser()); |
| } |
| break; |
| } |
| default: |
| resetState(); |
| } |
| } |
| }; |
| |
| public KeyguardSimPukView(Context context) { |
| this(context, null); |
| } |
| |
| public KeyguardSimPukView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| private class StateMachine { |
| final int ENTER_PUK = 0; |
| final int ENTER_PIN = 1; |
| final int CONFIRM_PIN = 2; |
| final int DONE = 3; |
| private int state = ENTER_PUK; |
| |
| public void next() { |
| int msg = 0; |
| if (state == ENTER_PUK) { |
| if (checkPuk()) { |
| state = ENTER_PIN; |
| msg = R.string.kg_puk_enter_pin_hint; |
| } else { |
| msg = R.string.kg_invalid_sim_puk_hint; |
| } |
| } else if (state == ENTER_PIN) { |
| if (checkPin()) { |
| state = CONFIRM_PIN; |
| msg = R.string.kg_enter_confirm_pin_hint; |
| } else { |
| msg = R.string.kg_invalid_sim_pin_hint; |
| } |
| } else if (state == CONFIRM_PIN) { |
| if (confirmPin()) { |
| state = DONE; |
| msg = R.string.keyguard_sim_unlock_progress_dialog_message; |
| updateSim(); |
| } else { |
| state = ENTER_PIN; // try again? |
| msg = R.string.kg_invalid_confirm_pin_hint; |
| } |
| } |
| resetPasswordText(true /* animate */, true /* announce */); |
| if (msg != 0) { |
| mSecurityMessageDisplay.setMessage(msg); |
| } |
| } |
| |
| |
| void reset() { |
| mPinText=""; |
| mPukText=""; |
| state = ENTER_PUK; |
| handleSubInfoChangeIfNeeded(); |
| if (mShowDefaultMessage) { |
| showDefaultMessage(); |
| } |
| boolean isEsimLocked = KeyguardEsimArea.isEsimLocked(mContext, mSubId); |
| |
| KeyguardEsimArea esimButton = findViewById(R.id.keyguard_esim_area); |
| esimButton.setVisibility(isEsimLocked ? View.VISIBLE : View.GONE); |
| mPasswordEntry.requestFocus(); |
| } |
| |
| |
| } |
| |
| private void showDefaultMessage() { |
| if (mRemainingAttempts >= 0) { |
| mSecurityMessageDisplay.setMessage(getPukPasswordErrorMessage( |
| mRemainingAttempts, true)); |
| return; |
| } |
| |
| boolean isEsimLocked = KeyguardEsimArea.isEsimLocked(mContext, mSubId); |
| int count = TelephonyManager.getDefault().getSimCount(); |
| Resources rez = getResources(); |
| String msg; |
| int color = Color.WHITE; |
| if (count < 2) { |
| msg = rez.getString(R.string.kg_puk_enter_puk_hint); |
| } else { |
| SubscriptionInfo info = KeyguardUpdateMonitor.getInstance(mContext). |
| 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); |
| } |
| mSecurityMessageDisplay.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 int result, final int attemptsRemaining) { |
| Log.d(LOG_TAG, "onSimCheckResponse " + " dummy One result" + result + |
| " attemptsRemaining=" + attemptsRemaining); |
| if (attemptsRemaining >= 0) { |
| mRemainingAttempts = attemptsRemaining; |
| mSecurityMessageDisplay.setMessage( |
| getPukPasswordErrorMessage(attemptsRemaining, true)); |
| } |
| } |
| }.start(); |
| } |
| |
| private void handleSubInfoChangeIfNeeded() { |
| KeyguardUpdateMonitor monitor = KeyguardUpdateMonitor.getInstance(mContext); |
| int subId = monitor.getNextSubIdForState(IccCardConstants.State.PUK_REQUIRED); |
| if (subId != mSubId && SubscriptionManager.isValidSubscriptionId(subId)) { |
| mSubId = subId; |
| mShowDefaultMessage = true; |
| mRemainingAttempts = -1; |
| } |
| } |
| |
| @Override |
| protected int getPromptReasonStringRes(int reason) { |
| // No message on SIM Puk |
| return 0; |
| } |
| |
| private String getPukPasswordErrorMessage(int attemptsRemaining, boolean isDefault) { |
| String displayMessage; |
| |
| if (attemptsRemaining == 0) { |
| displayMessage = getContext().getString(R.string.kg_password_wrong_puk_code_dead); |
| } else if (attemptsRemaining > 0) { |
| int msgId = isDefault ? R.plurals.kg_password_default_puk_message : |
| R.plurals.kg_password_wrong_puk_code; |
| displayMessage = getContext().getResources() |
| .getQuantityString(msgId, attemptsRemaining, attemptsRemaining); |
| } else { |
| int msgId = isDefault ? R.string.kg_puk_enter_puk_hint : |
| R.string.kg_password_puk_failed; |
| displayMessage = getContext().getString(msgId); |
| } |
| if (KeyguardEsimArea.isEsimLocked(mContext, mSubId)) { |
| displayMessage = getResources() |
| .getString(R.string.kg_sim_lock_esim_instructions, displayMessage); |
| } |
| if (DEBUG) Log.d(LOG_TAG, "getPukPasswordErrorMessage:" |
| + " attemptsRemaining=" + attemptsRemaining + " displayMessage=" + displayMessage); |
| return displayMessage; |
| } |
| |
| @Override |
| public void resetState() { |
| super.resetState(); |
| mStateMachine.reset(); |
| } |
| |
| @Override |
| protected boolean shouldLockout(long deadline) { |
| // SIM PUK doesn't have a timed lockout |
| return false; |
| } |
| |
| @Override |
| protected int getPasswordTextViewId() { |
| return R.id.pukEntry; |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| if (mEcaView instanceof EmergencyCarrierArea) { |
| ((EmergencyCarrierArea) mEcaView).setCarrierTextVisible(true); |
| } |
| mSimImageView = findViewById(R.id.keyguard_sim); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateMonitorCallback); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mUpdateMonitorCallback); |
| } |
| |
| @Override |
| public void showUsabilityHint() { |
| } |
| |
| @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(final int result, final int attemptsRemaining); |
| |
| @Override |
| public void run() { |
| try { |
| if (DEBUG) Log.v(TAG, "call supplyPukReportResult()"); |
| final int[] result = ITelephony.Stub.asInterface(ServiceManager |
| .checkService("phone")).supplyPukReportResultForSubscriber(mSubId, mPuk, mPin); |
| if (DEBUG) { |
| Log.v(TAG, "supplyPukReportResult returned: " + result[0] + " " + result[1]); |
| } |
| post(new Runnable() { |
| @Override |
| public void run() { |
| onSimLockChangedResponse(result[0], result[1]); |
| } |
| }); |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException for supplyPukReportResult:", e); |
| post(new Runnable() { |
| @Override |
| public void run() { |
| onSimLockChangedResponse(PhoneConstants.PIN_GENERAL_FAILURE, -1); |
| } |
| }); |
| } |
| } |
| } |
| |
| private Dialog getSimUnlockProgressDialog() { |
| if (mSimUnlockProgressDialog == null) { |
| mSimUnlockProgressDialog = new ProgressDialog(mContext); |
| mSimUnlockProgressDialog.setMessage( |
| mContext.getString(R.string.kg_sim_unlock_progress_dialog_message)); |
| mSimUnlockProgressDialog.setIndeterminate(true); |
| mSimUnlockProgressDialog.setCancelable(false); |
| if (!(mContext instanceof Activity)) { |
| mSimUnlockProgressDialog.getWindow().setType( |
| WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| } |
| } |
| return mSimUnlockProgressDialog; |
| } |
| |
| private Dialog getPukRemainingAttemptsDialog(int remaining) { |
| String msg = getPukPasswordErrorMessage(remaining, false); |
| if (mRemainingAttemptsDialog == null) { |
| AlertDialog.Builder builder = new AlertDialog.Builder(mContext); |
| 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; |
| } |
| |
| 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 int result, final int attemptsRemaining) { |
| post(new Runnable() { |
| @Override |
| public void run() { |
| if (mSimUnlockProgressDialog != null) { |
| mSimUnlockProgressDialog.hide(); |
| } |
| resetPasswordText(true /* animate */, |
| result != PhoneConstants.PIN_RESULT_SUCCESS /* announce */); |
| if (result == PhoneConstants.PIN_RESULT_SUCCESS) { |
| KeyguardUpdateMonitor.getInstance(getContext()) |
| .reportSimUnlocked(mSubId); |
| mRemainingAttempts = -1; |
| mShowDefaultMessage = true; |
| if (mCallback != null) { |
| mCallback.dismiss(true, KeyguardUpdateMonitor.getCurrentUser()); |
| } |
| } else { |
| mShowDefaultMessage = false; |
| if (result == PhoneConstants.PIN_PASSWORD_INCORRECT) { |
| // show message |
| mSecurityMessageDisplay.setMessage(getPukPasswordErrorMessage( |
| attemptsRemaining, false)); |
| if (attemptsRemaining <= 2) { |
| // this is getting critical - show dialog |
| getPukRemainingAttemptsDialog(attemptsRemaining).show(); |
| } else { |
| // show message |
| mSecurityMessageDisplay.setMessage( |
| getPukPasswordErrorMessage( |
| attemptsRemaining, false)); |
| } |
| } else { |
| mSecurityMessageDisplay.setMessage(getContext().getString( |
| R.string.kg_password_puk_failed)); |
| } |
| if (DEBUG) Log.d(LOG_TAG, "verifyPasswordAndUnlock " |
| + " UpdateSim.onSimCheckResponse: " |
| + " attemptsRemaining=" + attemptsRemaining); |
| mStateMachine.reset(); |
| } |
| mCheckSimPukThread = null; |
| } |
| }); |
| } |
| }; |
| mCheckSimPukThread.start(); |
| } |
| } |
| |
| @Override |
| protected void verifyPasswordAndUnlock() { |
| mStateMachine.next(); |
| } |
| |
| @Override |
| public void startAppearAnimation() { |
| // noop. |
| } |
| |
| @Override |
| public boolean startDisappearAnimation(Runnable finishRunnable) { |
| return false; |
| } |
| |
| @Override |
| public CharSequence getTitle() { |
| return getContext().getString( |
| com.android.internal.R.string.keyguard_accessibility_sim_puk_unlock); |
| } |
| } |
| |
| |