1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.safetycenter; 18 19 import static android.safetycenter.SafetyEvent.SAFETY_EVENT_TYPE_SOURCE_STATE_CHANGED; 20 21 import android.app.PendingIntent; 22 import android.app.settings.SettingsEnums; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.os.UserHandle; 26 import android.os.UserManager; 27 import android.safetycenter.SafetyEvent; 28 import android.safetycenter.SafetySourceData; 29 import android.safetycenter.SafetySourceIssue; 30 import android.safetycenter.SafetySourceStatus; 31 import android.safetycenter.SafetySourceStatus.IconAction; 32 33 import com.android.settings.R; 34 import com.android.settings.flags.Flags; 35 import com.android.settings.security.ScreenLockPreferenceDetailsUtils; 36 import com.android.settingslib.RestrictedLockUtils; 37 import com.android.settingslib.RestrictedLockUtilsInternal; 38 39 /** Lock Screen Safety Source for Safety Center. */ 40 public final class LockScreenSafetySource { 41 42 public static final String SAFETY_SOURCE_ID = "AndroidLockScreen"; 43 public static final String NO_SCREEN_LOCK_ISSUE_ID = "NoScreenLockIssue"; 44 public static final String NO_SCREEN_LOCK_ISSUE_TYPE_ID = "NoScreenLockIssueType"; 45 public static final String SET_SCREEN_LOCK_ACTION_ID = "SetScreenLockAction"; 46 47 private static final int REQUEST_CODE_SCREEN_LOCK = 1; 48 private static final int REQUEST_CODE_SCREEN_LOCK_SETTINGS = 2; 49 LockScreenSafetySource()50 private LockScreenSafetySource() {} 51 52 /** Sets lock screen safety data for Safety Center. */ setSafetySourceData( Context context, ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils, SafetyEvent safetyEvent)53 public static void setSafetySourceData( 54 Context context, 55 ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils, 56 SafetyEvent safetyEvent) { 57 if (!SafetyCenterManagerWrapper.get().isEnabled(context)) { 58 return; 59 } 60 61 UserManager userManager = context.getSystemService(UserManager.class); 62 if (userManager != null && userManager.isProfile()) { 63 return; // LockScreen source only supports primary profile. 64 } 65 66 if (!screenLockPreferenceDetailsUtils.isAvailable()) { 67 SafetyCenterManagerWrapper.get() 68 .setSafetySourceData( 69 context, SAFETY_SOURCE_ID, /* safetySourceData= */ null, safetyEvent); 70 return; 71 } 72 73 final int userId = UserHandle.myUserId(); 74 final RestrictedLockUtils.EnforcedAdmin admin = 75 RestrictedLockUtilsInternal.checkIfPasswordQualityIsSet(context, userId); 76 final PendingIntent pendingIntent = 77 createPendingIntent( 78 context, 79 screenLockPreferenceDetailsUtils.getLaunchChooseLockGenericFragmentIntent( 80 SettingsEnums.SAFETY_CENTER), 81 REQUEST_CODE_SCREEN_LOCK); 82 final IconAction gearMenuIconAction = 83 createGearMenuIconAction(context, screenLockPreferenceDetailsUtils); 84 final boolean lockScreenAllowedByAdmin = 85 !screenLockPreferenceDetailsUtils.isPasswordQualityManaged(userId, admin); 86 final boolean isLockPatternSecure = screenLockPreferenceDetailsUtils.isLockPatternSecure(); 87 final int severityLevel = 88 lockScreenAllowedByAdmin 89 ? isLockPatternSecure 90 ? SafetySourceData.SEVERITY_LEVEL_INFORMATION 91 : SafetySourceData.SEVERITY_LEVEL_RECOMMENDATION 92 : SafetySourceData.SEVERITY_LEVEL_UNSPECIFIED; 93 94 final SafetySourceStatus status = 95 new SafetySourceStatus.Builder( 96 context.getString(R.string.unlock_set_unlock_launch_picker_title), 97 lockScreenAllowedByAdmin 98 ? getScreenLockSummary(screenLockPreferenceDetailsUtils) 99 : context.getString(R.string.disabled_by_policy_title), 100 severityLevel) 101 .setPendingIntent(lockScreenAllowedByAdmin ? pendingIntent : null) 102 .setEnabled(lockScreenAllowedByAdmin) 103 .setIconAction(lockScreenAllowedByAdmin ? gearMenuIconAction : null) 104 .build(); 105 final SafetySourceData.Builder safetySourceDataBuilder = 106 new SafetySourceData.Builder().setStatus(status); 107 if (lockScreenAllowedByAdmin && !isLockPatternSecure) { 108 safetySourceDataBuilder.addIssue(createNoScreenLockIssue(context, pendingIntent)); 109 } 110 final SafetySourceData safetySourceData = safetySourceDataBuilder.build(); 111 112 SafetyCenterManagerWrapper.get() 113 .setSafetySourceData(context, SAFETY_SOURCE_ID, safetySourceData, safetyEvent); 114 } 115 getScreenLockSummary( ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils)116 private static String getScreenLockSummary( 117 ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils) { 118 String summary = screenLockPreferenceDetailsUtils.getSummary(UserHandle.myUserId()); 119 return summary != null ? summary : ""; 120 } 121 122 /** Notifies Safety Center of a change in lock screen settings. */ onLockScreenChange(Context context)123 public static void onLockScreenChange(Context context) { 124 setSafetySourceData( 125 context, 126 new ScreenLockPreferenceDetailsUtils(context), 127 new SafetyEvent.Builder(SAFETY_EVENT_TYPE_SOURCE_STATE_CHANGED).build()); 128 129 // Also send refreshed safety center data for biometrics, since changing lockscreen settings 130 // can unset biometrics. 131 if (Flags.biometricsOnboardingEducation()) { 132 FaceSafetySource.onBiometricsChanged(context); 133 FingerprintSafetySource.onBiometricsChanged(context); 134 WearSafetySource.onBiometricsChanged(context); 135 } else { 136 BiometricsSafetySource.onBiometricsChanged(context); 137 } 138 } 139 createGearMenuIconAction( Context context, ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils)140 private static IconAction createGearMenuIconAction( 141 Context context, ScreenLockPreferenceDetailsUtils screenLockPreferenceDetailsUtils) { 142 return screenLockPreferenceDetailsUtils.shouldShowGearMenu() 143 ? new IconAction( 144 IconAction.ICON_TYPE_GEAR, 145 createPendingIntent( 146 context, 147 screenLockPreferenceDetailsUtils.getLaunchScreenLockSettingsIntent( 148 SettingsEnums.SAFETY_CENTER), 149 REQUEST_CODE_SCREEN_LOCK_SETTINGS)) 150 : null; 151 } 152 createPendingIntent( Context context, Intent intent, int requestCode)153 private static PendingIntent createPendingIntent( 154 Context context, Intent intent, int requestCode) { 155 return PendingIntent.getActivity( 156 context, requestCode, intent, PendingIntent.FLAG_IMMUTABLE); 157 } 158 createNoScreenLockIssue( Context context, PendingIntent pendingIntent)159 private static SafetySourceIssue createNoScreenLockIssue( 160 Context context, PendingIntent pendingIntent) { 161 final SafetySourceIssue.Action action = 162 new SafetySourceIssue.Action.Builder( 163 SET_SCREEN_LOCK_ACTION_ID, 164 context.getString(R.string.no_screen_lock_issue_action_label), 165 pendingIntent) 166 .build(); 167 // Custom notification deliberately has zero actions 168 final SafetySourceIssue.Notification customNotification = 169 new SafetySourceIssue.Notification.Builder( 170 context.getString(R.string.no_screen_lock_issue_notification_title), 171 context.getString(R.string.no_screen_lock_issue_notification_text)) 172 .build(); 173 return new SafetySourceIssue.Builder( 174 NO_SCREEN_LOCK_ISSUE_ID, 175 context.getString(R.string.no_screen_lock_issue_title), 176 context.getString(R.string.no_screen_lock_issue_summary), 177 SafetySourceData.SEVERITY_LEVEL_RECOMMENDATION, 178 NO_SCREEN_LOCK_ISSUE_TYPE_ID) 179 .setIssueCategory(SafetySourceIssue.ISSUE_CATEGORY_DEVICE) 180 .addAction(action) 181 .setIssueActionability(SafetySourceIssue.ISSUE_ACTIONABILITY_MANUAL) 182 .setCustomNotification(customNotification) 183 .setNotificationBehavior(SafetySourceIssue.NOTIFICATION_BEHAVIOR_DELAYED) 184 .build(); 185 } 186 } 187