ChooseLockGeneric.java revision 487b16f3400b62b79f8108ca669cc3e937c69def
1abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn/* 2abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * Copyright (C) 2010 The Android Open Source Project 3abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * 4abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * Licensed under the Apache License, Version 2.0 (the "License"); 5abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * you may not use this file except in compliance with the License. 6abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * You may obtain a copy of the License at 7abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * 8abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * http://www.apache.org/licenses/LICENSE-2.0 9abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * 10abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * Unless required by applicable law or agreed to in writing, software 11abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * distributed under the License is distributed on an "AS IS" BASIS, 12abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * See the License for the specific language governing permissions and 14abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn * limitations under the License. 15abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn */ 16abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn 17abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackbornpackage com.android.settings; 18abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn 1917e9e1933055b207473b488595b2887bfcaea32eJim Millerimport android.app.Activity; 205541a86efe5f26956e54de49c4a59bf1dab79a78Jim Millerimport android.app.PendingIntent; 214037c7f27c849a1ada0980ad881636fc940a0b85Dianne Hackbornimport android.app.admin.DevicePolicyManager; 22abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackbornimport android.content.Context; 23abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackbornimport android.content.Intent; 24abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackbornimport android.os.Bundle; 25bbb4afa19f75694c585506b0c091372d60e07ca7Jim Millerimport android.preference.Preference; 26bbb4afa19f75694c585506b0c091372d60e07ca7Jim Millerimport android.preference.PreferenceActivity; 27bbb4afa19f75694c585506b0c091372d60e07ca7Jim Millerimport android.preference.PreferenceScreen; 28d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstromimport android.security.KeyStore; 29cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasaniimport android.view.LayoutInflater; 30cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasaniimport android.view.View; 31cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasaniimport android.view.ViewGroup; 32cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasaniimport android.widget.ListView; 33bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 346465054995f8470e52ecaf68ea9508a28f8a5363Gilles Debunneimport com.android.internal.widget.LockPatternUtils; 356465054995f8470e52ecaf68ea9508a28f8a5363Gilles Debunne 36bbb4afa19f75694c585506b0c091372d60e07ca7Jim Millerpublic class ChooseLockGeneric extends PreferenceActivity { 37abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn 38abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn @Override 3917e9e1933055b207473b488595b2887bfcaea32eJim Miller public Intent getIntent() { 4017e9e1933055b207473b488595b2887bfcaea32eJim Miller Intent modIntent = new Intent(super.getIntent()); 4117e9e1933055b207473b488595b2887bfcaea32eJim Miller modIntent.putExtra(EXTRA_SHOW_FRAGMENT, ChooseLockGenericFragment.class.getName()); 4217e9e1933055b207473b488595b2887bfcaea32eJim Miller modIntent.putExtra(EXTRA_NO_HEADERS, true); 4317e9e1933055b207473b488595b2887bfcaea32eJim Miller return modIntent; 4417e9e1933055b207473b488595b2887bfcaea32eJim Miller } 45bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 4617e9e1933055b207473b488595b2887bfcaea32eJim Miller public static class ChooseLockGenericFragment extends SettingsPreferenceFragment { 4717e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final int MIN_PASSWORD_LENGTH = 4; 485bae8739ea55702ec38df13550dd3f32137a9935Danielle Millett private static final String KEY_UNLOCK_BACKUP_INFO = "unlock_backup_info"; 4917e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String KEY_UNLOCK_SET_OFF = "unlock_set_off"; 5017e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String KEY_UNLOCK_SET_NONE = "unlock_set_none"; 515541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller private static final String KEY_UNLOCK_SET_BIOMETRIC_WEAK = "unlock_set_biometric_weak"; 5217e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String KEY_UNLOCK_SET_PIN = "unlock_set_pin"; 5317e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String KEY_UNLOCK_SET_PASSWORD = "unlock_set_password"; 5417e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String KEY_UNLOCK_SET_PATTERN = "unlock_set_pattern"; 5517e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final int CONFIRM_EXISTING_REQUEST = 100; 5631dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross private static final int FALLBACK_REQUEST = 101; 5717e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String PASSWORD_CONFIRMED = "password_confirmed"; 5817e9e1933055b207473b488595b2887bfcaea32eJim Miller private static final String CONFIRM_CREDENTIALS = "confirm_credentials"; 59d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom public static final String MINIMUM_QUALITY_KEY = "minimum_quality"; 6017e9e1933055b207473b488595b2887bfcaea32eJim Miller 6180412e70db62d64777cd3399a9afc6fafae6f0a4Danielle Millett private static final boolean ALWAY_SHOW_TUTORIAL = true; 6280412e70db62d64777cd3399a9afc6fafae6f0a4Danielle Millett 6317e9e1933055b207473b488595b2887bfcaea32eJim Miller private ChooseLockSettingsHelper mChooseLockSettingsHelper; 6417e9e1933055b207473b488595b2887bfcaea32eJim Miller private DevicePolicyManager mDPM; 65d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom private KeyStore mKeyStore; 6617e9e1933055b207473b488595b2887bfcaea32eJim Miller private boolean mPasswordConfirmed = false; 6717e9e1933055b207473b488595b2887bfcaea32eJim Miller 6817e9e1933055b207473b488595b2887bfcaea32eJim Miller @Override 6917e9e1933055b207473b488595b2887bfcaea32eJim Miller public void onCreate(Bundle savedInstanceState) { 7017e9e1933055b207473b488595b2887bfcaea32eJim Miller super.onCreate(savedInstanceState); 7117e9e1933055b207473b488595b2887bfcaea32eJim Miller 7217e9e1933055b207473b488595b2887bfcaea32eJim Miller mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE); 73d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom mKeyStore = KeyStore.getInstance(); 7417e9e1933055b207473b488595b2887bfcaea32eJim Miller mChooseLockSettingsHelper = new ChooseLockSettingsHelper(this.getActivity()); 7517e9e1933055b207473b488595b2887bfcaea32eJim Miller 76c474a88c2de30ea93ae03221b70e6365bb7f5f34Danielle Millett // Defaults to needing to confirm credentials 77c474a88c2de30ea93ae03221b70e6365bb7f5f34Danielle Millett final boolean confirmCredentials = getActivity().getIntent() 78c474a88c2de30ea93ae03221b70e6365bb7f5f34Danielle Millett .getBooleanExtra(CONFIRM_CREDENTIALS, true); 79c474a88c2de30ea93ae03221b70e6365bb7f5f34Danielle Millett mPasswordConfirmed = !confirmCredentials; 80c474a88c2de30ea93ae03221b70e6365bb7f5f34Danielle Millett 8117e9e1933055b207473b488595b2887bfcaea32eJim Miller if (savedInstanceState != null) { 8217e9e1933055b207473b488595b2887bfcaea32eJim Miller mPasswordConfirmed = savedInstanceState.getBoolean(PASSWORD_CONFIRMED); 8317e9e1933055b207473b488595b2887bfcaea32eJim Miller } 84bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 8517e9e1933055b207473b488595b2887bfcaea32eJim Miller if (!mPasswordConfirmed) { 866370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler ChooseLockSettingsHelper helper = 876370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler new ChooseLockSettingsHelper(this.getActivity(), this); 8817e9e1933055b207473b488595b2887bfcaea32eJim Miller if (!helper.launchConfirmationActivity(CONFIRM_EXISTING_REQUEST, null, null)) { 8917e9e1933055b207473b488595b2887bfcaea32eJim Miller mPasswordConfirmed = true; // no password set, so no need to confirm 9017e9e1933055b207473b488595b2887bfcaea32eJim Miller updatePreferencesOrFinish(); 9117e9e1933055b207473b488595b2887bfcaea32eJim Miller } 9217e9e1933055b207473b488595b2887bfcaea32eJim Miller } else { 93bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller updatePreferencesOrFinish(); 94bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 95bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 96bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 9717e9e1933055b207473b488595b2887bfcaea32eJim Miller @Override 9817e9e1933055b207473b488595b2887bfcaea32eJim Miller public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, 9917e9e1933055b207473b488595b2887bfcaea32eJim Miller Preference preference) { 10017e9e1933055b207473b488595b2887bfcaea32eJim Miller final String key = preference.getKey(); 10117e9e1933055b207473b488595b2887bfcaea32eJim Miller boolean handled = true; 10217e9e1933055b207473b488595b2887bfcaea32eJim Miller if (KEY_UNLOCK_SET_OFF.equals(key)) { 1036370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler updateUnlockMethodAndFinish( 1046370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, true); 10517e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_NONE.equals(key)) { 1066370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler updateUnlockMethodAndFinish( 1076370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, false); 1085541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller } else if (KEY_UNLOCK_SET_BIOMETRIC_WEAK.equals(key)) { 1095541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller updateUnlockMethodAndFinish( 1105541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK, false); 1115541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller }else if (KEY_UNLOCK_SET_PATTERN.equals(key)) { 1126370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler updateUnlockMethodAndFinish( 1136370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler DevicePolicyManager.PASSWORD_QUALITY_SOMETHING, false); 11417e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_PIN.equals(key)) { 1156370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler updateUnlockMethodAndFinish( 1166370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler DevicePolicyManager.PASSWORD_QUALITY_NUMERIC, false); 11717e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_PASSWORD.equals(key)) { 1186370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler updateUnlockMethodAndFinish( 1196370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC, false); 12017e9e1933055b207473b488595b2887bfcaea32eJim Miller } else { 12117e9e1933055b207473b488595b2887bfcaea32eJim Miller handled = false; 12217e9e1933055b207473b488595b2887bfcaea32eJim Miller } 12317e9e1933055b207473b488595b2887bfcaea32eJim Miller return handled; 124bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 125bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 12617e9e1933055b207473b488595b2887bfcaea32eJim Miller @Override 127cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani public View onCreateView(LayoutInflater inflater, ViewGroup container, 128cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani Bundle savedInstanceState) { 129cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani View v = super.onCreateView(inflater, container, savedInstanceState); 130cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani final boolean onlyShowFallback = getActivity().getIntent() 131cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani .getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false); 132cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani if (onlyShowFallback) { 133cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani View header = v.inflate(getActivity(), 134cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani R.layout.weak_biometric_fallback_header, null); 135cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani ((ListView) v.findViewById(android.R.id.list)).addHeaderView(header, null, false); 136cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani } 137cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani 138cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani return v; 139cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani } 140cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani 141cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani @Override 14217e9e1933055b207473b488595b2887bfcaea32eJim Miller public void onActivityResult(int requestCode, int resultCode, Intent data) { 14317e9e1933055b207473b488595b2887bfcaea32eJim Miller super.onActivityResult(requestCode, resultCode, data); 14417e9e1933055b207473b488595b2887bfcaea32eJim Miller if (requestCode == CONFIRM_EXISTING_REQUEST && resultCode == Activity.RESULT_OK) { 14517e9e1933055b207473b488595b2887bfcaea32eJim Miller mPasswordConfirmed = true; 14617e9e1933055b207473b488595b2887bfcaea32eJim Miller updatePreferencesOrFinish(); 14731dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross } else if(requestCode == FALLBACK_REQUEST) { 14831dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross mChooseLockSettingsHelper.utils().deleteTempGallery(); 14931dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross getActivity().setResult(resultCode); 15031dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross finish(); 15117e9e1933055b207473b488595b2887bfcaea32eJim Miller } else { 15217e9e1933055b207473b488595b2887bfcaea32eJim Miller getActivity().setResult(Activity.RESULT_CANCELED); 15317e9e1933055b207473b488595b2887bfcaea32eJim Miller finish(); 15417e9e1933055b207473b488595b2887bfcaea32eJim Miller } 155bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 156bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 15717e9e1933055b207473b488595b2887bfcaea32eJim Miller @Override 15817e9e1933055b207473b488595b2887bfcaea32eJim Miller public void onSaveInstanceState(Bundle outState) { 15917e9e1933055b207473b488595b2887bfcaea32eJim Miller super.onSaveInstanceState(outState); 16017e9e1933055b207473b488595b2887bfcaea32eJim Miller // Saved so we don't force user to re-enter their password if configuration changes 16117e9e1933055b207473b488595b2887bfcaea32eJim Miller outState.putBoolean(PASSWORD_CONFIRMED, mPasswordConfirmed); 16217e9e1933055b207473b488595b2887bfcaea32eJim Miller } 163bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 16417e9e1933055b207473b488595b2887bfcaea32eJim Miller private void updatePreferencesOrFinish() { 1655541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller Intent intent = getActivity().getIntent(); 1665541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller int quality = intent.getIntExtra(LockPatternUtils.PASSWORD_TYPE_KEY, -1); 16717e9e1933055b207473b488595b2887bfcaea32eJim Miller if (quality == -1) { 1686370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler // If caller didn't specify password quality, show UI and allow the user to choose. 1695541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller quality = intent.getIntExtra(MINIMUM_QUALITY_KEY, -1); 170d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = upgradeQuality(quality); 17117e9e1933055b207473b488595b2887bfcaea32eJim Miller final PreferenceScreen prefScreen = getPreferenceScreen(); 17217e9e1933055b207473b488595b2887bfcaea32eJim Miller if (prefScreen != null) { 17317e9e1933055b207473b488595b2887bfcaea32eJim Miller prefScreen.removeAll(); 17417e9e1933055b207473b488595b2887bfcaea32eJim Miller } 17517e9e1933055b207473b488595b2887bfcaea32eJim Miller addPreferencesFromResource(R.xml.security_settings_picker); 1766370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler disableUnusablePreferences(quality); 17717e9e1933055b207473b488595b2887bfcaea32eJim Miller } else { 17817e9e1933055b207473b488595b2887bfcaea32eJim Miller updateUnlockMethodAndFinish(quality, false); 179bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 180abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn } 181bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 182d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom private int upgradeQuality(int quality) { 183d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = upgradeQualityForDPM(quality); 184d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = upgradeQualityForEncryption(quality); 185d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = upgradeQualityForKeyStore(quality); 186d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom return quality; 187d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom } 188d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom 189d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom private int upgradeQualityForDPM(int quality) { 190d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom // Compare min allowed password quality 191d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom int minQuality = mDPM.getPasswordQuality(null); 192d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom if (quality < minQuality) { 193d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = minQuality; 194d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom } 195d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom return quality; 196d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom } 197d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom 1986370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler /** 1996370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler * Mix in "encryption minimums" to any given quality value. This prevents users 2006370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler * from downgrading the pattern/pin/password to a level below the minimums. 2016370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler * 2026370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler * ASSUMPTION: Setting quality is sufficient (e.g. minimum lengths will be set 2036370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler * appropriately.) 2046370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler */ 2056370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler private int upgradeQualityForEncryption(int quality) { 2066370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler int encryptionStatus = mDPM.getStorageEncryptionStatus(); 2076370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler boolean encrypted = (encryptionStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE) 2086370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler || (encryptionStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING); 2096370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler if (encrypted) { 210d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom if (quality < CryptKeeperSettings.MIN_PASSWORD_QUALITY) { 211d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = CryptKeeperSettings.MIN_PASSWORD_QUALITY; 212d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom } 213d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom } 214d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom return quality; 215d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom } 216d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom 217d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom private int upgradeQualityForKeyStore(int quality) { 218d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom if (!mKeyStore.isEmpty()) { 219d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom if (quality < CredentialStorage.MIN_PASSWORD_QUALITY) { 220d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = CredentialStorage.MIN_PASSWORD_QUALITY; 2216370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler } 2226370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler } 2236370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler return quality; 2246370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler } 2256370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler 22617e9e1933055b207473b488595b2887bfcaea32eJim Miller /*** 22717e9e1933055b207473b488595b2887bfcaea32eJim Miller * Disables preferences that are less secure than required quality. 22817e9e1933055b207473b488595b2887bfcaea32eJim Miller * 22917e9e1933055b207473b488595b2887bfcaea32eJim Miller * @param quality the requested quality. 23017e9e1933055b207473b488595b2887bfcaea32eJim Miller */ 23117e9e1933055b207473b488595b2887bfcaea32eJim Miller private void disableUnusablePreferences(final int quality) { 232cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani final PreferenceScreen entries = getPreferenceScreen(); 2335541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller final boolean onlyShowFallback = getActivity().getIntent() 2345541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller .getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false); 2350fb158a685d753682afdcffb0b783be8e38e0f2bDanielle Millett final boolean weakBiometricAvailable = 2360fb158a685d753682afdcffb0b783be8e38e0f2bDanielle Millett mChooseLockSettingsHelper.utils().isBiometricWeakInstalled(); 237cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani for (int i = entries.getPreferenceCount() - 1; i >= 0; --i) { 238cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani Preference pref = entries.getPreference(i); 23917e9e1933055b207473b488595b2887bfcaea32eJim Miller if (pref instanceof PreferenceScreen) { 24017e9e1933055b207473b488595b2887bfcaea32eJim Miller final String key = ((PreferenceScreen) pref).getKey(); 24117e9e1933055b207473b488595b2887bfcaea32eJim Miller boolean enabled = true; 2425541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller boolean visible = true; 243cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani if (KEY_UNLOCK_SET_OFF.equals(key)) { 24417e9e1933055b207473b488595b2887bfcaea32eJim Miller enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 24517e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_NONE.equals(key)) { 24617e9e1933055b207473b488595b2887bfcaea32eJim Miller enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2475541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller } else if (KEY_UNLOCK_SET_BIOMETRIC_WEAK.equals(key)) { 2485541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK; 2495541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller visible = weakBiometricAvailable; // If not available, then don't show it. 25017e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_PATTERN.equals(key)) { 25117e9e1933055b207473b488595b2887bfcaea32eJim Miller enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_SOMETHING; 25217e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_PIN.equals(key)) { 25317e9e1933055b207473b488595b2887bfcaea32eJim Miller enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC; 25417e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (KEY_UNLOCK_SET_PASSWORD.equals(key)) { 25517e9e1933055b207473b488595b2887bfcaea32eJim Miller enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 25617e9e1933055b207473b488595b2887bfcaea32eJim Miller } 2575541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller if (!visible || (onlyShowFallback && !allowedForFallback(key))) { 258cf26bb2dcc83803678bcd37bb58b677209ffb3fcAmith Yamasani entries.removePreference(pref); 2595541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller } else if (!enabled) { 26017e9e1933055b207473b488595b2887bfcaea32eJim Miller pref.setSummary(R.string.unlock_set_unlock_disabled_summary); 26117e9e1933055b207473b488595b2887bfcaea32eJim Miller pref.setEnabled(false); 26217e9e1933055b207473b488595b2887bfcaea32eJim Miller } 263bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 264bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 265bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller } 266bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 26717e9e1933055b207473b488595b2887bfcaea32eJim Miller /** 2685541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller * Check whether the key is allowed for fallback (e.g. bio sensor). Returns true if it's 2695541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller * supported as a backup. 2705541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller * 2715541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller * @param key 2725541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller * @return true if allowed 2735541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller */ 2745541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller private boolean allowedForFallback(String key) { 2755bae8739ea55702ec38df13550dd3f32137a9935Danielle Millett return KEY_UNLOCK_BACKUP_INFO.equals(key) || 2765bae8739ea55702ec38df13550dd3f32137a9935Danielle Millett KEY_UNLOCK_SET_PATTERN.equals(key) || KEY_UNLOCK_SET_PIN.equals(key); 2775541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller } 2785541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller 279487b16f3400b62b79f8108ca669cc3e937c69defDanielle Millett private Intent getBiometricSensorIntent() { 2805541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller Intent fallBackIntent = new Intent().setClass(getActivity(), ChooseLockGeneric.class); 2815541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller fallBackIntent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, true); 2825541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller fallBackIntent.putExtra(CONFIRM_CREDENTIALS, false); 283940407eb6aac05a513d2f7d0626df9519be3a83cDanielle Millett fallBackIntent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE, 284940407eb6aac05a513d2f7d0626df9519be3a83cDanielle Millett R.string.backup_lock_settings_picker_title); 2855541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller 28680412e70db62d64777cd3399a9afc6fafae6f0a4Danielle Millett boolean showTutorial = ALWAY_SHOW_TUTORIAL || 28780412e70db62d64777cd3399a9afc6fafae6f0a4Danielle Millett !mChooseLockSettingsHelper.utils().isBiometricWeakEverChosen(); 288c82ba86375fc3c58bd9ee572f73d336693d62b11Danielle Millett Intent intent = new Intent(); 289487b16f3400b62b79f8108ca669cc3e937c69defDanielle Millett intent.setClassName("com.android.facelock", "com.android.facelock.SetupIntro"); 290487b16f3400b62b79f8108ca669cc3e937c69defDanielle Millett intent.putExtra("showTutorial", showTutorial); 2915541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller PendingIntent pending = PendingIntent.getActivity(getActivity(), 0, fallBackIntent, 0); 2925541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller intent.putExtra("PendingIntent", pending); 2935541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller return intent; 2945541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller } 2955541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller 2965541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller /** 29717e9e1933055b207473b488595b2887bfcaea32eJim Miller * Invokes an activity to change the user's pattern, password or PIN based on given quality 29817e9e1933055b207473b488595b2887bfcaea32eJim Miller * and minimum quality specified by DevicePolicyManager. If quality is 29917e9e1933055b207473b488595b2887bfcaea32eJim Miller * {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}, password is cleared. 30017e9e1933055b207473b488595b2887bfcaea32eJim Miller * 3016370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler * @param quality the desired quality. Ignored if DevicePolicyManager requires more security 30217e9e1933055b207473b488595b2887bfcaea32eJim Miller * @param disabled whether or not to show LockScreen at all. Only meaningful when quality is 30317e9e1933055b207473b488595b2887bfcaea32eJim Miller * {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED} 30417e9e1933055b207473b488595b2887bfcaea32eJim Miller */ 30517e9e1933055b207473b488595b2887bfcaea32eJim Miller void updateUnlockMethodAndFinish(int quality, boolean disabled) { 3066370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler // Sanity check. We should never get here without confirming user's existing password. 30717e9e1933055b207473b488595b2887bfcaea32eJim Miller if (!mPasswordConfirmed) { 3086370c87a6b98abfc6badb31070a60f84b3f528b3Andy Stadler throw new IllegalStateException("Tried to update password without confirming it"); 30917e9e1933055b207473b488595b2887bfcaea32eJim Miller } 310bbb4afa19f75694c585506b0c091372d60e07ca7Jim Miller 3115541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller final boolean isFallback = getActivity().getIntent() 3125541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller .getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false); 3135541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller 314d4023b7cca11e33e84df39dee9e9a737efab47c2Brian Carlstrom quality = upgradeQuality(quality); 315c620ba41ce20e683aad3d124b3866cadaddcc87dSteven Ross 31617e9e1933055b207473b488595b2887bfcaea32eJim Miller if (quality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC) { 31717e9e1933055b207473b488595b2887bfcaea32eJim Miller int minLength = mDPM.getPasswordMinimumLength(null); 31817e9e1933055b207473b488595b2887bfcaea32eJim Miller if (minLength < MIN_PASSWORD_LENGTH) { 31917e9e1933055b207473b488595b2887bfcaea32eJim Miller minLength = MIN_PASSWORD_LENGTH; 32017e9e1933055b207473b488595b2887bfcaea32eJim Miller } 32117e9e1933055b207473b488595b2887bfcaea32eJim Miller final int maxLength = mDPM.getPasswordMaximumLength(quality); 32217e9e1933055b207473b488595b2887bfcaea32eJim Miller Intent intent = new Intent().setClass(getActivity(), ChooseLockPassword.class); 32317e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.putExtra(LockPatternUtils.PASSWORD_TYPE_KEY, quality); 32417e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.putExtra(ChooseLockPassword.PASSWORD_MIN_KEY, minLength); 32517e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.putExtra(ChooseLockPassword.PASSWORD_MAX_KEY, maxLength); 32617e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.putExtra(CONFIRM_CREDENTIALS, false); 3275541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, 3285541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller isFallback); 32931dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross if(isFallback) { 33031dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross startActivityForResult(intent, FALLBACK_REQUEST); 33131dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross return; 3327caac4c19daf79a9220231a60ed1b8231968a619Steven Ross } else { 33331dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross intent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); 33431dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross startActivity(intent); 33531dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross } 33617e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (quality == DevicePolicyManager.PASSWORD_QUALITY_SOMETHING) { 33717e9e1933055b207473b488595b2887bfcaea32eJim Miller boolean showTutorial = !mChooseLockSettingsHelper.utils().isPatternEverChosen(); 33817e9e1933055b207473b488595b2887bfcaea32eJim Miller Intent intent = new Intent(); 33917e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.setClass(getActivity(), showTutorial 34017e9e1933055b207473b488595b2887bfcaea32eJim Miller ? ChooseLockPatternTutorial.class 34117e9e1933055b207473b488595b2887bfcaea32eJim Miller : ChooseLockPattern.class); 34217e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.putExtra("key_lock_method", "pattern"); 34317e9e1933055b207473b488595b2887bfcaea32eJim Miller intent.putExtra(CONFIRM_CREDENTIALS, false); 3445541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, 3455541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller isFallback); 34631dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross if(isFallback) { 34731dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross startActivityForResult(intent, FALLBACK_REQUEST); 34831dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross return; 3497caac4c19daf79a9220231a60ed1b8231968a619Steven Ross } else { 35031dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross intent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); 35131dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross startActivity(intent); 35231dac17c4b0b49b4968b42b2af6f0799a0508a2fSteven Ross } 3535541a86efe5f26956e54de49c4a59bf1dab79a78Jim Miller } else if (quality == DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK) { 354487b16f3400b62b79f8108ca669cc3e937c69defDanielle Millett Intent intent = getBiometricSensorIntent(); 35517e9e1933055b207473b488595b2887bfcaea32eJim Miller startActivity(intent); 35617e9e1933055b207473b488595b2887bfcaea32eJim Miller } else if (quality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 357c620ba41ce20e683aad3d124b3866cadaddcc87dSteven Ross mChooseLockSettingsHelper.utils().clearLock(false); 35817e9e1933055b207473b488595b2887bfcaea32eJim Miller mChooseLockSettingsHelper.utils().setLockScreenDisabled(disabled); 35917e9e1933055b207473b488595b2887bfcaea32eJim Miller getActivity().setResult(Activity.RESULT_OK); 36017e9e1933055b207473b488595b2887bfcaea32eJim Miller } 36117e9e1933055b207473b488595b2887bfcaea32eJim Miller finish(); 362abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn } 363abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn } 364abc3dc64cf61c9f5c28b6f2640b221d63cb86a0aDianne Hackborn} 365