0bbcdccdbf
1. Aggregate policies and generate the requirements 2. When user modifies the password, check is each requirement fulfilled Update the view accordingly. Change-Id: I962ed3b81ce844006be1024a493e94ce52a3fdec Fix: 24900754
927 lines
42 KiB
Java
927 lines
42 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.admin.DevicePolicyManager;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.drawable.InsetDrawable;
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import android.inputmethodservice.KeyboardView;
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import android.os.Bundle;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.text.Editable;
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import android.text.InputType;
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import android.text.Selection;
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import android.text.Spannable;
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import android.text.TextUtils;
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import android.text.TextWatcher;
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import android.util.Log;
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import android.view.inputmethod.EditorInfo;
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import android.view.KeyEvent;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.view.ViewGroup.MarginLayoutParams;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.TextView.OnEditorActionListener;
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import com.android.internal.logging.MetricsProto.MetricsEvent;
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import com.android.internal.widget.LockPatternUtils;
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import com.android.internal.widget.LockPatternUtils.RequestThrottledException;
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import com.android.internal.widget.PasswordEntryKeyboardHelper;
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import com.android.internal.widget.PasswordEntryKeyboardView;
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import com.android.internal.widget.TextViewInputDisabler;
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import com.android.settings.notification.RedactionInterstitial;
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import com.android.settings.password.PasswordRequirementAdapter;
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import com.android.setupwizardlib.GlifLayout;
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import java.util.ArrayList;
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import java.util.List;
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import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC;
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import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC;
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import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX;
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import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;
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import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX;
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public class ChooseLockPassword extends SettingsActivity {
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public static final String PASSWORD_MIN_KEY = "lockscreen.password_min";
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public static final String PASSWORD_MAX_KEY = "lockscreen.password_max";
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public static final String PASSWORD_MIN_LETTERS_KEY = "lockscreen.password_min_letters";
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public static final String PASSWORD_MIN_LOWERCASE_KEY = "lockscreen.password_min_lowercase";
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public static final String PASSWORD_MIN_UPPERCASE_KEY = "lockscreen.password_min_uppercase";
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public static final String PASSWORD_MIN_NUMERIC_KEY = "lockscreen.password_min_numeric";
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public static final String PASSWORD_MIN_SYMBOLS_KEY = "lockscreen.password_min_symbols";
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public static final String PASSWORD_MIN_NONLETTER_KEY = "lockscreen.password_min_nonletter";
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private static final String TAG = "ChooseLockPassword";
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@Override
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public Intent getIntent() {
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Intent modIntent = new Intent(super.getIntent());
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modIntent.putExtra(EXTRA_SHOW_FRAGMENT, getFragmentClass().getName());
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return modIntent;
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}
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public static Intent createIntent(Context context, int quality,
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int minLength, final int maxLength, boolean requirePasswordToDecrypt,
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boolean confirmCredentials) {
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Intent intent = new Intent().setClass(context, ChooseLockPassword.class);
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intent.putExtra(LockPatternUtils.PASSWORD_TYPE_KEY, quality);
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intent.putExtra(PASSWORD_MIN_KEY, minLength);
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intent.putExtra(PASSWORD_MAX_KEY, maxLength);
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intent.putExtra(ChooseLockGeneric.CONFIRM_CREDENTIALS, confirmCredentials);
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intent.putExtra(EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, requirePasswordToDecrypt);
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return intent;
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}
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public static Intent createIntent(Context context, int quality,
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int minLength, final int maxLength, boolean requirePasswordToDecrypt,
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boolean confirmCredentials, int userId) {
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Intent intent = createIntent(context, quality, minLength, maxLength,
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requirePasswordToDecrypt, confirmCredentials);
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intent.putExtra(Intent.EXTRA_USER_ID, userId);
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return intent;
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}
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public static Intent createIntent(Context context, int quality,
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int minLength, final int maxLength, boolean requirePasswordToDecrypt, String password) {
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Intent intent = createIntent(context, quality, minLength, maxLength,
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requirePasswordToDecrypt, false);
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intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD, password);
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return intent;
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}
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public static Intent createIntent(Context context, int quality, int minLength,
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int maxLength, boolean requirePasswordToDecrypt, String password, int userId) {
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Intent intent = createIntent(context, quality, minLength, maxLength,
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requirePasswordToDecrypt, password);
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intent.putExtra(Intent.EXTRA_USER_ID, userId);
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return intent;
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}
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public static Intent createIntent(Context context, int quality,
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int minLength, final int maxLength, boolean requirePasswordToDecrypt, long challenge) {
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Intent intent = createIntent(context, quality, minLength, maxLength,
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requirePasswordToDecrypt, false);
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intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, true);
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intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, challenge);
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return intent;
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}
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public static Intent createIntent(Context context, int quality, int minLength,
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int maxLength, boolean requirePasswordToDecrypt, long challenge, int userId) {
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Intent intent = createIntent(context, quality, minLength, maxLength,
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requirePasswordToDecrypt, challenge);
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intent.putExtra(Intent.EXTRA_USER_ID, userId);
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return intent;
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}
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@Override
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protected boolean isValidFragment(String fragmentName) {
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if (ChooseLockPasswordFragment.class.getName().equals(fragmentName)) return true;
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return false;
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}
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/* package */ Class<? extends Fragment> getFragmentClass() {
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return ChooseLockPasswordFragment.class;
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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// TODO: Fix on phones
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// Disable IME on our window since we provide our own keyboard
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//getWindow().setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
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//WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
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super.onCreate(savedInstanceState);
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CharSequence msg = getText(R.string.lockpassword_choose_your_password_header);
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setTitle(msg);
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LinearLayout layout = (LinearLayout) findViewById(R.id.content_parent);
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layout.setFitsSystemWindows(false);
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}
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public static class ChooseLockPasswordFragment extends InstrumentedFragment
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implements OnClickListener, OnEditorActionListener, TextWatcher,
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SaveAndFinishWorker.Listener {
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private static final String KEY_FIRST_PIN = "first_pin";
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private static final String KEY_UI_STAGE = "ui_stage";
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private static final String KEY_CURRENT_PASSWORD = "current_password";
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private static final String FRAGMENT_TAG_SAVE_AND_FINISH = "save_and_finish_worker";
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private String mCurrentPassword;
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private String mChosenPassword;
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private boolean mHasChallenge;
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private long mChallenge;
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private EditText mPasswordEntry;
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private TextViewInputDisabler mPasswordEntryInputDisabler;
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private int mPasswordMinLength = LockPatternUtils.MIN_LOCK_PASSWORD_SIZE;
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private int mPasswordMaxLength = 16;
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private int mPasswordMinLetters = 0;
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private int mPasswordMinUpperCase = 0;
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private int mPasswordMinLowerCase = 0;
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private int mPasswordMinSymbols = 0;
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private int mPasswordMinNumeric = 0;
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private int mPasswordMinNonLetter = 0;
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private int mUserId;
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private boolean mHideDrawer = false;
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/**
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* Password requirements that we need to verify.
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*/
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private int[] mPasswordRequirements;
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private LockPatternUtils mLockPatternUtils;
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private SaveAndFinishWorker mSaveAndFinishWorker;
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private int mRequestedQuality = DevicePolicyManager.PASSWORD_QUALITY_NUMERIC;
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private ChooseLockSettingsHelper mChooseLockSettingsHelper;
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private Stage mUiStage = Stage.Introduction;
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private PasswordRequirementAdapter mPasswordRequirementAdapter;
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private TextView mHeaderText;
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private String mFirstPin;
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private RecyclerView mPasswordRestrictionView;
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private KeyboardView mKeyboardView;
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private PasswordEntryKeyboardHelper mKeyboardHelper;
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private boolean mIsAlphaMode;
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private Button mCancelButton;
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private Button mNextButton;
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private static final int CONFIRM_EXISTING_REQUEST = 58;
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static final int RESULT_FINISHED = RESULT_FIRST_USER;
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private static final int MIN_LETTER_IN_PASSWORD = 0;
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private static final int MIN_UPPER_LETTERS_IN_PASSWORD = 1;
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private static final int MIN_LOWER_LETTERS_IN_PASSWORD = 2;
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private static final int MIN_SYMBOLS_IN_PASSWORD = 3;
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private static final int MIN_NUMBER_IN_PASSWORD = 4;
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private static final int MIN_NON_LETTER_IN_PASSWORD = 5;
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// Error code returned from {@link #validatePassword(String)}.
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private static final int NO_ERROR = 0;
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private static final int CONTAIN_INVALID_CHARACTERS = 1 << 0;
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private static final int TOO_SHORT = 1 << 1;
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private static final int TOO_LONG = 1 << 2;
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private static final int CONTAIN_NON_DIGITS = 1 << 3;
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private static final int CONTAIN_SEQUENTIAL_DIGITS = 1 << 4;
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private static final int RECENTLY_USED = 1 << 5;
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private static final int NOT_ENOUGH_LETTER = 1 << 6;
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private static final int NOT_ENOUGH_UPPER_CASE = 1 << 7;
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private static final int NOT_ENOUGH_LOWER_CASE = 1 << 8;
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private static final int NOT_ENOUGH_DIGITS = 1 << 9;
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private static final int NOT_ENOUGH_SYMBOLS = 1 << 10;
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private static final int NOT_ENOUGH_NON_LETTER = 1 << 11;
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/**
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* Keep track internally of where the user is in choosing a pattern.
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*/
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protected enum Stage {
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Introduction(R.string.lockpassword_choose_your_password_header,
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R.string.lockpassword_choose_your_pin_header,
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R.string.lockpassword_continue_label),
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NeedToConfirm(R.string.lockpassword_confirm_your_password_header,
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R.string.lockpassword_confirm_your_pin_header,
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R.string.lockpassword_ok_label),
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ConfirmWrong(R.string.lockpassword_confirm_passwords_dont_match,
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R.string.lockpassword_confirm_pins_dont_match,
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R.string.lockpassword_continue_label);
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Stage(int hintInAlpha, int hintInNumeric, int nextButtonText) {
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this.alphaHint = hintInAlpha;
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this.numericHint = hintInNumeric;
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this.buttonText = nextButtonText;
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}
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public final int alphaHint;
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public final int numericHint;
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public final int buttonText;
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}
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// required constructor for fragments
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public ChooseLockPasswordFragment() {
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mLockPatternUtils = new LockPatternUtils(getActivity());
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Intent intent = getActivity().getIntent();
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if (!(getActivity() instanceof ChooseLockPassword)) {
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throw new SecurityException("Fragment contained in wrong activity");
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}
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// Only take this argument into account if it belongs to the current profile.
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mUserId = Utils.getUserIdFromBundle(getActivity(), intent.getExtras());
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processPasswordRequirements(intent);
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mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());
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mHideDrawer = getActivity().getIntent().getBooleanExtra(EXTRA_HIDE_DRAWER, false);
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if (intent.getBooleanExtra(
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ChooseLockSettingsHelper.EXTRA_KEY_FOR_CHANGE_CRED_REQUIRED_FOR_BOOT, false)) {
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SaveAndFinishWorker w = new SaveAndFinishWorker();
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final boolean required = getActivity().getIntent().getBooleanExtra(
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EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, true);
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String current = intent.getStringExtra(
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ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
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w.setBlocking(true);
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w.setListener(this);
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w.start(mChooseLockSettingsHelper.utils(), required,
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false, 0, current, current, mRequestedQuality, mUserId);
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}
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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return inflater.inflate(R.layout.choose_lock_password, container, false);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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mCancelButton = (Button) view.findViewById(R.id.cancel_button);
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mCancelButton.setOnClickListener(this);
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mNextButton = (Button) view.findViewById(R.id.next_button);
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mNextButton.setOnClickListener(this);
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mIsAlphaMode = DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC == mRequestedQuality
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|| DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC == mRequestedQuality
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|| DevicePolicyManager.PASSWORD_QUALITY_COMPLEX == mRequestedQuality;
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setupPasswordRequirementsView(view);
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mKeyboardView = (PasswordEntryKeyboardView) view.findViewById(R.id.keyboard);
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mPasswordRestrictionView.setLayoutManager(new LinearLayoutManager(getActivity()));
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mPasswordEntry = (EditText) view.findViewById(R.id.password_entry);
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mPasswordEntry.setOnEditorActionListener(this);
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mPasswordEntry.addTextChangedListener(this);
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mPasswordEntryInputDisabler = new TextViewInputDisabler(mPasswordEntry);
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final Activity activity = getActivity();
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mKeyboardHelper = new PasswordEntryKeyboardHelper(activity,
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mKeyboardView, mPasswordEntry);
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mKeyboardHelper.setKeyboardMode(mIsAlphaMode ?
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PasswordEntryKeyboardHelper.KEYBOARD_MODE_ALPHA
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: PasswordEntryKeyboardHelper.KEYBOARD_MODE_NUMERIC);
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mHeaderText = (TextView) view.findViewById(R.id.headerText);
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mKeyboardView.requestFocus();
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int currentType = mPasswordEntry.getInputType();
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mPasswordEntry.setInputType(mIsAlphaMode ? currentType
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: (InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_PASSWORD));
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Intent intent = getActivity().getIntent();
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final boolean confirmCredentials = intent.getBooleanExtra(
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ChooseLockGeneric.CONFIRM_CREDENTIALS, true);
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mCurrentPassword = intent.getStringExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
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mHasChallenge = intent.getBooleanExtra(
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ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, false);
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mChallenge = intent.getLongExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, 0);
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if (savedInstanceState == null) {
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updateStage(Stage.Introduction);
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if (confirmCredentials) {
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mChooseLockSettingsHelper.launchConfirmationActivity(CONFIRM_EXISTING_REQUEST,
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getString(R.string.unlock_set_unlock_launch_picker_title), true,
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mUserId);
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}
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} else {
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// restore from previous state
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mFirstPin = savedInstanceState.getString(KEY_FIRST_PIN);
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final String state = savedInstanceState.getString(KEY_UI_STAGE);
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if (state != null) {
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mUiStage = Stage.valueOf(state);
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updateStage(mUiStage);
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}
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if (mCurrentPassword == null) {
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mCurrentPassword = savedInstanceState.getString(KEY_CURRENT_PASSWORD);
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}
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// Re-attach to the exiting worker if there is one.
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mSaveAndFinishWorker = (SaveAndFinishWorker) getFragmentManager().findFragmentByTag(
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FRAGMENT_TAG_SAVE_AND_FINISH);
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}
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// Workaround to show one password requirement below EditText when IME is shown.
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// By adding an inset to the edit text background, we make the EditText occupy more
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// vertical space, and the keyboard will then avoid hiding it. We have also set
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// negative margin in the layout below in order to have them show in the correct
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// position.
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final int visibleVerticalSpaceBelowPassword =
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getResources().getDimensionPixelOffset(
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R.dimen.visible_vertical_space_below_password);
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InsetDrawable drawable =
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new InsetDrawable(
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mPasswordEntry.getBackground(), 0, 0, 0, visibleVerticalSpaceBelowPassword);
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mPasswordEntry.setBackgroundDrawable(drawable);
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LinearLayout bottomContainer = (LinearLayout) view.findViewById(R.id.bottom_container);
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LinearLayout.LayoutParams bottomContainerLp =
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(LinearLayout.LayoutParams) bottomContainer.getLayoutParams();
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bottomContainerLp.setMargins(0, -visibleVerticalSpaceBelowPassword, 0, 0);
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if (activity instanceof SettingsActivity) {
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final SettingsActivity sa = (SettingsActivity) activity;
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int id = mIsAlphaMode ? R.string.lockpassword_choose_your_password_header
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: R.string.lockpassword_choose_your_pin_header;
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CharSequence title = getText(id);
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sa.setTitle(title);
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((GlifLayout) view).setHeaderText(title);
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}
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}
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private void setupPasswordRequirementsView(View view) {
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// Construct passwordRequirements and requirementDescriptions.
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List<Integer> passwordRequirements = new ArrayList<>();
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List<String> requirementDescriptions = new ArrayList<>();
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if (mPasswordMinUpperCase > 0) {
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passwordRequirements.add(MIN_UPPER_LETTERS_IN_PASSWORD);
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requirementDescriptions.add(getResources().getQuantityString(
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R.plurals.lockpassword_password_requires_uppercase, mPasswordMinUpperCase,
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mPasswordMinUpperCase));
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}
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if (mPasswordMinLowerCase > 0) {
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passwordRequirements.add(MIN_LOWER_LETTERS_IN_PASSWORD);
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requirementDescriptions.add(getResources().getQuantityString(
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R.plurals.lockpassword_password_requires_lowercase, mPasswordMinLowerCase,
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mPasswordMinLowerCase));
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}
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if (mPasswordMinLetters > 0) {
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passwordRequirements.add(MIN_LETTER_IN_PASSWORD);
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requirementDescriptions.add(getResources().getQuantityString(
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R.plurals.lockpassword_password_requires_letters, mPasswordMinLetters,
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mPasswordMinLetters));
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}
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if (mPasswordMinNumeric > 0) {
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passwordRequirements.add(MIN_NUMBER_IN_PASSWORD);
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requirementDescriptions.add(getResources().getQuantityString(
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R.plurals.lockpassword_password_requires_numeric, mPasswordMinNumeric,
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mPasswordMinNumeric));
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}
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if (mPasswordMinSymbols > 0) {
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passwordRequirements.add(MIN_SYMBOLS_IN_PASSWORD);
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requirementDescriptions.add(getResources().getQuantityString(
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R.plurals.lockpassword_password_requires_symbols, mPasswordMinSymbols,
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mPasswordMinSymbols));
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}
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if (mPasswordMinNonLetter > 0) {
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passwordRequirements.add(MIN_NON_LETTER_IN_PASSWORD);
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requirementDescriptions.add(getResources().getQuantityString(
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R.plurals.lockpassword_password_requires_nonletter, mPasswordMinNonLetter,
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mPasswordMinNonLetter));
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}
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// Convert list to array.
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mPasswordRequirements = passwordRequirements.stream().mapToInt(i -> i).toArray();
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mPasswordRestrictionView =
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(RecyclerView) view.findViewById(R.id.password_requirements_view);
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mPasswordRestrictionView.setLayoutManager(new LinearLayoutManager(getActivity()));
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mPasswordRequirementAdapter = new PasswordRequirementAdapter();
|
|
mPasswordRestrictionView.setAdapter(mPasswordRequirementAdapter);
|
|
}
|
|
|
|
@Override
|
|
protected int getMetricsCategory() {
|
|
return MetricsEvent.CHOOSE_LOCK_PASSWORD;
|
|
}
|
|
|
|
@Override
|
|
public void onResume() {
|
|
super.onResume();
|
|
updateStage(mUiStage);
|
|
if (mSaveAndFinishWorker != null) {
|
|
mSaveAndFinishWorker.setListener(this);
|
|
} else {
|
|
mKeyboardView.requestFocus();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onPause() {
|
|
if (mSaveAndFinishWorker != null) {
|
|
mSaveAndFinishWorker.setListener(null);
|
|
}
|
|
super.onPause();
|
|
}
|
|
|
|
@Override
|
|
public void onSaveInstanceState(Bundle outState) {
|
|
super.onSaveInstanceState(outState);
|
|
outState.putString(KEY_UI_STAGE, mUiStage.name());
|
|
outState.putString(KEY_FIRST_PIN, mFirstPin);
|
|
outState.putString(KEY_CURRENT_PASSWORD, mCurrentPassword);
|
|
}
|
|
|
|
@Override
|
|
public void onActivityResult(int requestCode, int resultCode,
|
|
Intent data) {
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
switch (requestCode) {
|
|
case CONFIRM_EXISTING_REQUEST:
|
|
if (resultCode != Activity.RESULT_OK) {
|
|
getActivity().setResult(RESULT_FINISHED);
|
|
getActivity().finish();
|
|
} else {
|
|
mCurrentPassword = data.getStringExtra(
|
|
ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
protected Intent getRedactionInterstitialIntent(Context context) {
|
|
return RedactionInterstitial.createStartIntent(context, mUserId);
|
|
}
|
|
|
|
protected void updateStage(Stage stage) {
|
|
final Stage previousStage = mUiStage;
|
|
mUiStage = stage;
|
|
updateUi();
|
|
|
|
// If the stage changed, announce the header for accessibility. This
|
|
// is a no-op when accessibility is disabled.
|
|
if (previousStage != stage) {
|
|
mHeaderText.announceForAccessibility(mHeaderText.getText());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read the requirements from {@link DevicePolicyManager} and intent and aggregate them.
|
|
*
|
|
* @param intent the incoming intent
|
|
*/
|
|
private void processPasswordRequirements(Intent intent) {
|
|
final int dpmPasswordQuality = mLockPatternUtils.getRequestedPasswordQuality(mUserId);
|
|
mRequestedQuality = Math.max(intent.getIntExtra(LockPatternUtils.PASSWORD_TYPE_KEY,
|
|
mRequestedQuality), dpmPasswordQuality);
|
|
mPasswordMinLength = Math.max(Math.max(
|
|
LockPatternUtils.MIN_LOCK_PASSWORD_SIZE,
|
|
intent.getIntExtra(PASSWORD_MIN_KEY, mPasswordMinLength)),
|
|
mLockPatternUtils.getRequestedMinimumPasswordLength(mUserId));
|
|
mPasswordMaxLength = intent.getIntExtra(PASSWORD_MAX_KEY, mPasswordMaxLength);
|
|
mPasswordMinLetters = Math.max(intent.getIntExtra(PASSWORD_MIN_LETTERS_KEY,
|
|
mPasswordMinLetters), mLockPatternUtils.getRequestedPasswordMinimumLetters(
|
|
mUserId));
|
|
mPasswordMinUpperCase = Math.max(intent.getIntExtra(PASSWORD_MIN_UPPERCASE_KEY,
|
|
mPasswordMinUpperCase), mLockPatternUtils.getRequestedPasswordMinimumUpperCase(
|
|
mUserId));
|
|
mPasswordMinLowerCase = Math.max(intent.getIntExtra(PASSWORD_MIN_LOWERCASE_KEY,
|
|
mPasswordMinLowerCase), mLockPatternUtils.getRequestedPasswordMinimumLowerCase(
|
|
mUserId));
|
|
mPasswordMinNumeric = Math.max(intent.getIntExtra(PASSWORD_MIN_NUMERIC_KEY,
|
|
mPasswordMinNumeric), mLockPatternUtils.getRequestedPasswordMinimumNumeric(
|
|
mUserId));
|
|
mPasswordMinSymbols = Math.max(intent.getIntExtra(PASSWORD_MIN_SYMBOLS_KEY,
|
|
mPasswordMinSymbols), mLockPatternUtils.getRequestedPasswordMinimumSymbols(
|
|
mUserId));
|
|
mPasswordMinNonLetter = Math.max(intent.getIntExtra(PASSWORD_MIN_NONLETTER_KEY,
|
|
mPasswordMinNonLetter), mLockPatternUtils.getRequestedPasswordMinimumNonLetter(
|
|
mUserId));
|
|
|
|
// Modify the value based on dpm policy.
|
|
switch (dpmPasswordQuality) {
|
|
case PASSWORD_QUALITY_ALPHABETIC:
|
|
if (mPasswordMinLetters == 0) {
|
|
mPasswordMinLetters = 1;
|
|
}
|
|
break;
|
|
case PASSWORD_QUALITY_ALPHANUMERIC:
|
|
if (mPasswordMinLetters == 0) {
|
|
mPasswordMinLetters = 1;
|
|
}
|
|
if (mPasswordMinNumeric == 0) {
|
|
mPasswordMinNumeric = 1;
|
|
}
|
|
break;
|
|
case PASSWORD_QUALITY_COMPLEX:
|
|
// Reserve all the requirements.
|
|
break;
|
|
default:
|
|
mPasswordMinNumeric = 0;
|
|
mPasswordMinLetters = 0;
|
|
mPasswordMinUpperCase = 0;
|
|
mPasswordMinLowerCase = 0;
|
|
mPasswordMinSymbols = 0;
|
|
mPasswordMinNonLetter = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validates PIN and returns the validation result.
|
|
*
|
|
* @param password the raw password the user typed in
|
|
* @return the validation result.
|
|
*/
|
|
private int validatePassword(String password) {
|
|
int errorCode = NO_ERROR;
|
|
|
|
if (password.length() < mPasswordMinLength) {
|
|
errorCode |= TOO_SHORT;
|
|
} else if (password.length() > mPasswordMaxLength) {
|
|
errorCode |= TOO_LONG;
|
|
} else {
|
|
// The length requirements are fulfilled.
|
|
if (mRequestedQuality == PASSWORD_QUALITY_NUMERIC_COMPLEX) {
|
|
// Check for repeated characters or sequences (e.g. '1234', '0000', '2468')
|
|
final int sequence = LockPatternUtils.maxLengthSequence(password);
|
|
if (sequence > LockPatternUtils.MAX_ALLOWED_SEQUENCE) {
|
|
errorCode |= CONTAIN_SEQUENTIAL_DIGITS;
|
|
}
|
|
}
|
|
// Is the password recently used?
|
|
if (mLockPatternUtils.checkPasswordHistory(password, mUserId)) {
|
|
errorCode |= RECENTLY_USED;
|
|
}
|
|
}
|
|
|
|
// Count different types of character.
|
|
int letters = 0;
|
|
int numbers = 0;
|
|
int lowercase = 0;
|
|
int symbols = 0;
|
|
int uppercase = 0;
|
|
int nonletter = 0;
|
|
for (int i = 0; i < password.length(); i++) {
|
|
char c = password.charAt(i);
|
|
// allow non control Latin-1 characters only
|
|
if (c < 32 || c > 127) {
|
|
errorCode |= CONTAIN_INVALID_CHARACTERS;
|
|
continue;
|
|
}
|
|
if (c >= '0' && c <= '9') {
|
|
numbers++;
|
|
nonletter++;
|
|
} else if (c >= 'A' && c <= 'Z') {
|
|
letters++;
|
|
uppercase++;
|
|
} else if (c >= 'a' && c <= 'z') {
|
|
letters++;
|
|
lowercase++;
|
|
} else {
|
|
symbols++;
|
|
nonletter++;
|
|
}
|
|
}
|
|
|
|
// Ensure no non-digits if we are requesting numbers. This shouldn't be possible unless
|
|
// user finds some way to bring up soft keyboard.
|
|
if (mRequestedQuality == PASSWORD_QUALITY_NUMERIC
|
|
|| mRequestedQuality == PASSWORD_QUALITY_NUMERIC_COMPLEX) {
|
|
if (letters > 0 || symbols > 0) {
|
|
errorCode |= CONTAIN_NON_DIGITS;
|
|
}
|
|
}
|
|
|
|
// Check the requirements one by one.
|
|
for (int i = 0; i < mPasswordRequirements.length; i++) {
|
|
int passwordRestriction = mPasswordRequirements[i];
|
|
switch (passwordRestriction) {
|
|
case MIN_LETTER_IN_PASSWORD:
|
|
if (letters < mPasswordMinLetters) {
|
|
errorCode |= NOT_ENOUGH_LETTER;
|
|
}
|
|
break;
|
|
case MIN_UPPER_LETTERS_IN_PASSWORD:
|
|
if (uppercase < mPasswordMinUpperCase) {
|
|
errorCode |= NOT_ENOUGH_UPPER_CASE;
|
|
}
|
|
break;
|
|
case MIN_LOWER_LETTERS_IN_PASSWORD:
|
|
if (lowercase < mPasswordMinLowerCase) {
|
|
errorCode |= NOT_ENOUGH_LOWER_CASE;
|
|
}
|
|
break;
|
|
case MIN_SYMBOLS_IN_PASSWORD:
|
|
if (symbols < mPasswordMinSymbols) {
|
|
errorCode |= NOT_ENOUGH_SYMBOLS;
|
|
}
|
|
break;
|
|
case MIN_NUMBER_IN_PASSWORD:
|
|
if (numbers < mPasswordMinNumeric) {
|
|
errorCode |= NOT_ENOUGH_DIGITS;
|
|
}
|
|
break;
|
|
case MIN_NON_LETTER_IN_PASSWORD:
|
|
if (nonletter < mPasswordMinNonLetter) {
|
|
errorCode |= NOT_ENOUGH_NON_LETTER;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return errorCode;
|
|
}
|
|
|
|
public void handleNext() {
|
|
if (mSaveAndFinishWorker != null) return;
|
|
mChosenPassword = mPasswordEntry.getText().toString();
|
|
if (TextUtils.isEmpty(mChosenPassword)) {
|
|
return;
|
|
}
|
|
if (mUiStage == Stage.Introduction) {
|
|
if (validatePassword(mChosenPassword) == NO_ERROR) {
|
|
mFirstPin = mChosenPassword;
|
|
mPasswordEntry.setText("");
|
|
updateStage(Stage.NeedToConfirm);
|
|
}
|
|
} else if (mUiStage == Stage.NeedToConfirm) {
|
|
if (mFirstPin.equals(mChosenPassword)) {
|
|
startSaveAndFinish();
|
|
} else {
|
|
CharSequence tmp = mPasswordEntry.getText();
|
|
if (tmp != null) {
|
|
Selection.setSelection((Spannable) tmp, 0, tmp.length());
|
|
}
|
|
updateStage(Stage.ConfirmWrong);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void setNextEnabled(boolean enabled) {
|
|
mNextButton.setEnabled(enabled);
|
|
}
|
|
|
|
protected void setNextText(int text) {
|
|
mNextButton.setText(text);
|
|
}
|
|
|
|
public void onClick(View v) {
|
|
switch (v.getId()) {
|
|
case R.id.next_button:
|
|
handleNext();
|
|
break;
|
|
|
|
case R.id.cancel_button:
|
|
getActivity().finish();
|
|
break;
|
|
}
|
|
}
|
|
|
|
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
|
|
// Check if this was the result of hitting the enter or "done" key
|
|
if (actionId == EditorInfo.IME_NULL
|
|
|| actionId == EditorInfo.IME_ACTION_DONE
|
|
|| actionId == EditorInfo.IME_ACTION_NEXT) {
|
|
handleNext();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param errorCode error code returned from {@link #validatePassword(String)}.
|
|
* @return an array of messages describing the error, important messages come first.
|
|
*/
|
|
private String[] convertErrorCodeToMessages(int errorCode) {
|
|
List<String> messages = new ArrayList<>();
|
|
if ((errorCode & CONTAIN_INVALID_CHARACTERS) > 0) {
|
|
messages.add(getString(R.string.lockpassword_illegal_character));
|
|
}
|
|
if ((errorCode & CONTAIN_NON_DIGITS) > 0) {
|
|
messages.add(getString(R.string.lockpassword_pin_contains_non_digits));
|
|
}
|
|
if ((errorCode & NOT_ENOUGH_LETTER) > 0) {
|
|
messages.add(getResources().getQuantityString(
|
|
R.plurals.lockpassword_password_requires_letters, mPasswordMinLetters,
|
|
mPasswordMinLetters));
|
|
}
|
|
if ((errorCode & NOT_ENOUGH_UPPER_CASE) > 0) {
|
|
messages.add(getResources().getQuantityString(
|
|
R.plurals.lockpassword_password_requires_uppercase, mPasswordMinUpperCase,
|
|
mPasswordMinUpperCase));
|
|
}
|
|
if ((errorCode & NOT_ENOUGH_LOWER_CASE) > 0) {
|
|
messages.add(getResources().getQuantityString(
|
|
R.plurals.lockpassword_password_requires_lowercase, mPasswordMinLowerCase,
|
|
mPasswordMinLowerCase));
|
|
}
|
|
if ((errorCode & NOT_ENOUGH_DIGITS) > 0) {
|
|
messages.add(getResources().getQuantityString(
|
|
R.plurals.lockpassword_password_requires_numeric, mPasswordMinNumeric,
|
|
mPasswordMinNumeric));
|
|
}
|
|
if ((errorCode & NOT_ENOUGH_SYMBOLS) > 0) {
|
|
messages.add(getResources().getQuantityString(
|
|
R.plurals.lockpassword_password_requires_symbols, mPasswordMinSymbols,
|
|
mPasswordMinSymbols));
|
|
}
|
|
if ((errorCode & NOT_ENOUGH_NON_LETTER) > 0) {
|
|
messages.add(getResources().getQuantityString(
|
|
R.plurals.lockpassword_password_requires_nonletter, mPasswordMinNonLetter,
|
|
mPasswordMinNonLetter));
|
|
}
|
|
if ((errorCode & TOO_SHORT) > 0) {
|
|
messages.add(getString(mIsAlphaMode ?
|
|
R.string.lockpassword_password_too_short
|
|
: R.string.lockpassword_pin_too_short, mPasswordMinLength));
|
|
}
|
|
if ((errorCode & TOO_LONG) > 0) {
|
|
messages.add(getString(mIsAlphaMode ?
|
|
R.string.lockpassword_password_too_long
|
|
: R.string.lockpassword_pin_too_long, mPasswordMaxLength + 1));
|
|
}
|
|
if ((errorCode & CONTAIN_SEQUENTIAL_DIGITS) > 0) {
|
|
messages.add(getString(R.string.lockpassword_pin_no_sequential_digits));
|
|
}
|
|
if ((errorCode & RECENTLY_USED) > 0) {
|
|
messages.add(getString((mIsAlphaMode) ? R.string.lockpassword_password_recently_used
|
|
: R.string.lockpassword_pin_recently_used));
|
|
}
|
|
return messages.toArray(new String[0]);
|
|
}
|
|
|
|
/**
|
|
* Update the hint based on current Stage and length of password entry
|
|
*/
|
|
private void updateUi() {
|
|
final boolean canInput = mSaveAndFinishWorker == null;
|
|
String password = mPasswordEntry.getText().toString();
|
|
final int length = password.length();
|
|
if (mUiStage == Stage.Introduction) {
|
|
mPasswordRestrictionView.setVisibility(View.VISIBLE);
|
|
final int errorCode = validatePassword(password);
|
|
String[] messages = convertErrorCodeToMessages(errorCode);
|
|
// Update the fulfillment of requirements.
|
|
mPasswordRequirementAdapter.setRequirements(messages);
|
|
// Enable/Disable the next button accordingly.
|
|
setNextEnabled(errorCode == NO_ERROR);
|
|
} else {
|
|
// Hide password requirement view when we are just asking user to confirm the pw.
|
|
mPasswordRestrictionView.setVisibility(View.GONE);
|
|
setHeaderText(getString(
|
|
mIsAlphaMode ? mUiStage.alphaHint : mUiStage.numericHint));
|
|
setNextEnabled(canInput && length > 0);
|
|
}
|
|
setNextText(mUiStage.buttonText);
|
|
mPasswordEntryInputDisabler.setInputEnabled(canInput);
|
|
}
|
|
|
|
private void setHeaderText(String text) {
|
|
// Only set the text if it is different than the existing one to avoid announcing again.
|
|
if (!TextUtils.isEmpty(mHeaderText.getText())
|
|
&& mHeaderText.getText().toString().equals(text)) {
|
|
return;
|
|
}
|
|
mHeaderText.setText(text);
|
|
}
|
|
|
|
public void afterTextChanged(Editable s) {
|
|
// Changing the text while error displayed resets to NeedToConfirm state
|
|
if (mUiStage == Stage.ConfirmWrong) {
|
|
mUiStage = Stage.NeedToConfirm;
|
|
}
|
|
updateUi();
|
|
}
|
|
|
|
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
|
|
|
|
}
|
|
|
|
public void onTextChanged(CharSequence s, int start, int before, int count) {
|
|
|
|
}
|
|
|
|
private void startSaveAndFinish() {
|
|
if (mSaveAndFinishWorker != null) {
|
|
Log.w(TAG, "startSaveAndFinish with an existing SaveAndFinishWorker.");
|
|
return;
|
|
}
|
|
|
|
mPasswordEntryInputDisabler.setInputEnabled(false);
|
|
setNextEnabled(false);
|
|
|
|
mSaveAndFinishWorker = new SaveAndFinishWorker();
|
|
mSaveAndFinishWorker.setListener(this);
|
|
|
|
getFragmentManager().beginTransaction().add(mSaveAndFinishWorker,
|
|
FRAGMENT_TAG_SAVE_AND_FINISH).commit();
|
|
getFragmentManager().executePendingTransactions();
|
|
|
|
final boolean required = getActivity().getIntent().getBooleanExtra(
|
|
EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, true);
|
|
mSaveAndFinishWorker.start(mLockPatternUtils, required, mHasChallenge, mChallenge,
|
|
mChosenPassword, mCurrentPassword, mRequestedQuality, mUserId);
|
|
}
|
|
|
|
@Override
|
|
public void onChosenLockSaveFinished(boolean wasSecureBefore, Intent resultData) {
|
|
getActivity().setResult(RESULT_FINISHED, resultData);
|
|
|
|
if (!wasSecureBefore) {
|
|
Intent intent = getRedactionInterstitialIntent(getActivity());
|
|
if (intent != null) {
|
|
intent.putExtra(EXTRA_HIDE_DRAWER, mHideDrawer);
|
|
startActivity(intent);
|
|
}
|
|
}
|
|
getActivity().finish();
|
|
}
|
|
}
|
|
|
|
private static class SaveAndFinishWorker extends SaveChosenLockWorkerBase {
|
|
|
|
private String mChosenPassword;
|
|
private String mCurrentPassword;
|
|
private int mRequestedQuality;
|
|
|
|
public void start(LockPatternUtils utils, boolean required,
|
|
boolean hasChallenge, long challenge,
|
|
String chosenPassword, String currentPassword, int requestedQuality, int userId) {
|
|
prepare(utils, required, hasChallenge, challenge, userId);
|
|
|
|
mChosenPassword = chosenPassword;
|
|
mCurrentPassword = currentPassword;
|
|
mRequestedQuality = requestedQuality;
|
|
mUserId = userId;
|
|
|
|
start();
|
|
}
|
|
|
|
@Override
|
|
protected Intent saveAndVerifyInBackground() {
|
|
Intent result = null;
|
|
mUtils.saveLockPassword(mChosenPassword, mCurrentPassword, mRequestedQuality,
|
|
mUserId);
|
|
|
|
if (mHasChallenge) {
|
|
byte[] token;
|
|
try {
|
|
token = mUtils.verifyPassword(mChosenPassword, mChallenge, mUserId);
|
|
} catch (RequestThrottledException e) {
|
|
token = null;
|
|
}
|
|
|
|
if (token == null) {
|
|
Log.e(TAG, "critical: no token returned for known good password.");
|
|
}
|
|
|
|
result = new Intent();
|
|
result.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, token);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|
|
}
|