1 /*
2  * Copyright (C) 2015 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.permissioncontroller.permission.ui;
18 
19 import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
20 
21 import static com.android.permissioncontroller.Constants.ACTION_MANAGE_AUTO_REVOKE;
22 import static com.android.permissioncontroller.Constants.EXTRA_SESSION_ID;
23 import static com.android.permissioncontroller.Constants.INVALID_SESSION_ID;
24 import static com.android.permissioncontroller.PermissionControllerStatsLog.APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION;
25 import static com.android.permissioncontroller.PermissionControllerStatsLog.APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION__ACTION__OPENED_FOR_AUTO_REVOKE;
26 import static com.android.permissioncontroller.PermissionControllerStatsLog.APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION__ACTION__OPENED_FROM_INTENT;
27 import static com.android.permissioncontroller.PermissionControllerStatsLog.AUTO_REVOKE_NOTIFICATION_CLICKED;
28 import static com.android.permissioncontroller.PermissionControllerStatsLog.PERMISSION_USAGE_FRAGMENT_INTERACTION;
29 import static com.android.permissioncontroller.PermissionControllerStatsLog.PERMISSION_USAGE_FRAGMENT_INTERACTION__ACTION__OPEN;
30 
31 import android.app.ActionBar;
32 import android.content.Intent;
33 import android.content.pm.PackageManager;
34 import android.content.pm.PermissionInfo;
35 import android.os.Build;
36 import android.os.Bundle;
37 import android.os.UserHandle;
38 import android.util.Log;
39 import android.view.MenuItem;
40 
41 import androidx.fragment.app.Fragment;
42 import androidx.navigation.NavGraph;
43 import androidx.navigation.NavInflater;
44 import androidx.navigation.Navigation;
45 import androidx.navigation.fragment.NavHostFragment;
46 
47 import com.android.permissioncontroller.Constants;
48 import com.android.permissioncontroller.DeviceUtils;
49 import com.android.permissioncontroller.PermissionControllerStatsLog;
50 import com.android.permissioncontroller.R;
51 import com.android.permissioncontroller.permission.ui.auto.AutoAllAppPermissionsFragment;
52 import com.android.permissioncontroller.permission.ui.auto.AutoAppPermissionsFragment;
53 import com.android.permissioncontroller.permission.ui.auto.AutoManageStandardPermissionsFragment;
54 import com.android.permissioncontroller.permission.ui.auto.AutoPermissionAppsFragment;
55 import com.android.permissioncontroller.permission.ui.auto.AutoUnusedAppsFragment;
56 import com.android.permissioncontroller.permission.ui.handheld.AppPermissionFragment;
57 import com.android.permissioncontroller.permission.ui.handheld.AppPermissionGroupsFragment;
58 import com.android.permissioncontroller.permission.ui.handheld.HandheldUnusedAppsWrapperFragment;
59 import com.android.permissioncontroller.permission.ui.handheld.PermissionAppsFragment;
60 import com.android.permissioncontroller.permission.ui.handheld.dashboard.PermissionDetailsWrapperFragment;
61 import com.android.permissioncontroller.permission.ui.handheld.dashboard.PermissionUsageV2WrapperFragment;
62 import com.android.permissioncontroller.permission.ui.legacy.AppPermissionActivity;
63 import com.android.permissioncontroller.permission.ui.wear.AppPermissionsFragmentWear;
64 import com.android.permissioncontroller.permission.utils.KotlinUtils;
65 import com.android.permissioncontroller.permission.utils.Utils;
66 
67 import java.util.Random;
68 
69 /**
70  * Activity to review and manage permissions
71  */
72 public final class ManagePermissionsActivity extends SettingsActivity {
73     private static final String LOG_TAG = ManagePermissionsActivity.class.getSimpleName();
74 
75     /**
76      * Name of the extra parameter that indicates whether or not to show all app permissions
77      */
78     public static final String EXTRA_ALL_PERMISSIONS =
79             "com.android.permissioncontroller.extra.ALL_PERMISSIONS";
80 
81     /**
82      * Name of the extra parameter that is the fragment that called the current fragment.
83      */
84     public static final String EXTRA_CALLER_NAME =
85             "com.android.permissioncontroller.extra.CALLER_NAME";
86 
87     // The permission group which was interacted with
88     public static final String EXTRA_RESULT_PERMISSION_INTERACTED = "com.android"
89             + ".permissioncontroller.extra.RESULT_PERMISSION_INTERACTED";
90     /**
91      * The result of the permission in terms of {@link GrantPermissionsViewHandler.Result}
92      */
93     public static final String EXTRA_RESULT_PERMISSION_RESULT = "com.android"
94             + ".permissioncontroller.extra.PERMISSION_RESULT";
95 
96     /**
97      * Whether to show system apps in UI receiving an intent containing this extra.
98      */
99     public static final String EXTRA_SHOW_SYSTEM = "com.android"
100             + ".permissioncontroller.extra.SHOW_SYSTEM";
101 
102     /**
103      * The requestCode used when we decide not to use this activity, but instead launch
104      * another activity in our place. When that activity finishes, we set it's result
105      * as our result and then finish.
106      */
107     private static final int PROXY_ACTIVITY_REQUEST_CODE = 5;
108 
109     @Override
onCreate(Bundle savedInstanceState)110     public void onCreate(Bundle savedInstanceState) {
111         if (DeviceUtils.isAuto(this)) {
112             // Automotive relies on a different theme. Apply before calling super so that
113             // fragments are restored properly on configuration changes.
114             setTheme(R.style.CarSettings);
115         }
116         super.onCreate(savedInstanceState);
117 
118         // If this is not a phone (which uses the Navigation component), and there is a previous
119         // instance, re-use its Fragment instead of making a new one.
120         if ((DeviceUtils.isTelevision(this) || DeviceUtils.isAuto(this)
121                 || DeviceUtils.isWear(this)) && savedInstanceState != null) {
122             return;
123         }
124 
125         android.app.Fragment fragment = null;
126         Fragment androidXFragment = null;
127         String action = getIntent().getAction();
128 
129         getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
130 
131         long sessionId = getIntent().getLongExtra(Constants.EXTRA_SESSION_ID, INVALID_SESSION_ID);
132         while (sessionId == INVALID_SESSION_ID) {
133             sessionId = new Random().nextLong();
134         }
135 
136         int autoRevokeAction =
137                 APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION__ACTION__OPENED_FOR_AUTO_REVOKE;
138         int openFromIntentAction =
139                 APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION__ACTION__OPENED_FROM_INTENT;
140 
141         String permissionName;
142         switch (action) {
143             case Intent.ACTION_MANAGE_PERMISSIONS:
144                 Bundle arguments = new Bundle();
145                 arguments.putLong(EXTRA_SESSION_ID, sessionId);
146                 if (DeviceUtils.isAuto(this)) {
147                     androidXFragment = AutoManageStandardPermissionsFragment.newInstance();
148                     androidXFragment.setArguments(arguments);
149                 } else if (DeviceUtils.isTelevision(this)) {
150                     androidXFragment =
151                             com.android.permissioncontroller.permission.ui.television
152                                     .ManagePermissionsFragment.newInstance();
153                 } else {
154                     setContentView(R.layout.nav_host_fragment);
155                     Navigation.findNavController(this, R.id.nav_host_fragment).setGraph(
156                             R.navigation.nav_graph, arguments);
157                     return;
158 
159                 }
160                 break;
161 
162             case Intent.ACTION_REVIEW_PERMISSION_USAGE: {
163                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
164                     finishAfterTransition();
165                     return;
166                 }
167 
168 
169                 PermissionControllerStatsLog.write(PERMISSION_USAGE_FRAGMENT_INTERACTION, sessionId,
170                         PERMISSION_USAGE_FRAGMENT_INTERACTION__ACTION__OPEN);
171                 String groupName = getIntent().getStringExtra(Intent.EXTRA_PERMISSION_GROUP_NAME);
172                 androidXFragment = PermissionUsageV2WrapperFragment.newInstance(groupName,
173                         Long.MAX_VALUE, sessionId);
174             } break;
175 
176             case Intent.ACTION_REVIEW_PERMISSION_HISTORY: {
177                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
178                     finishAfterTransition();
179                     return;
180                 }
181 
182                 String groupName = getIntent()
183                         .getStringExtra(Intent.EXTRA_PERMISSION_GROUP_NAME);
184                 boolean showSystem = getIntent()
185                         .getBooleanExtra(EXTRA_SHOW_SYSTEM, false);
186                 androidXFragment = PermissionDetailsWrapperFragment
187                         .newInstance(groupName, Long.MAX_VALUE, showSystem, sessionId);
188                 break;
189             }
190 
191             case Intent.ACTION_MANAGE_APP_PERMISSION: {
192                 if (DeviceUtils.isAuto(this) || DeviceUtils.isTelevision(this)
193                         || DeviceUtils.isWear(this)) {
194                     Intent compatIntent = new Intent(this, AppPermissionActivity.class);
195                     compatIntent.putExtras(getIntent().getExtras());
196                     startActivityForResult(compatIntent, PROXY_ACTIVITY_REQUEST_CODE);
197                     return;
198                 }
199                 String packageName = getIntent().getStringExtra(Intent.EXTRA_PACKAGE_NAME);
200                 permissionName = getIntent().getStringExtra(Intent.EXTRA_PERMISSION_NAME);
201                 String groupName = getIntent().getStringExtra(Intent.EXTRA_PERMISSION_GROUP_NAME);
202                 UserHandle userHandle = getIntent().getParcelableExtra(Intent.EXTRA_USER);
203                 String caller = getIntent().getStringExtra(EXTRA_CALLER_NAME);
204 
205                 Bundle args = AppPermissionFragment.createArgs(packageName, permissionName,
206                         groupName, userHandle, caller, sessionId, null);
207                 setNavGraph(args, R.id.app_permission);
208                 return;
209             }
210 
211             case Intent.ACTION_MANAGE_APP_PERMISSIONS: {
212                 String packageName = getIntent().getStringExtra(Intent.EXTRA_PACKAGE_NAME);
213                 if (packageName == null) {
214                     Log.i(LOG_TAG, "Missing mandatory argument EXTRA_PACKAGE_NAME");
215                     finishAfterTransition();
216                     return;
217                 }
218 
219                 UserHandle userHandle = getIntent().getParcelableExtra(Intent.EXTRA_USER);
220                 if (userHandle == null) {
221                     userHandle = UserHandle.of(UserHandle.myUserId());
222                 }
223 
224                 try {
225                     int uid = getPackageManager().getApplicationInfoAsUser(packageName, 0,
226                             userHandle).uid;
227                     long settingsSessionId = getIntent().getLongExtra(
228                             Intent.ACTION_AUTO_REVOKE_PERMISSIONS, INVALID_SESSION_ID);
229                     if (settingsSessionId != INVALID_SESSION_ID) {
230                         sessionId = settingsSessionId;
231                         Log.i(LOG_TAG, "sessionId: " + sessionId
232                                 + " Reaching AppPermissionGroupsFragment for auto revoke. "
233                                 + "packageName: " + packageName + " uid " + uid);
234                         PermissionControllerStatsLog.write(
235                                 APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION, sessionId, uid,
236                                 packageName, autoRevokeAction);
237                     } else {
238                         if (KotlinUtils.INSTANCE.isROrAutoRevokeEnabled(getApplication(),
239                                 packageName, userHandle)) {
240                             Log.i(LOG_TAG, "sessionId: " + sessionId
241                                     + " Reaching AppPermissionGroupsFragment from intent. "
242                                     + "packageName " + packageName + " uid " + uid);
243                             PermissionControllerStatsLog.write(
244                                     APP_PERMISSION_GROUPS_FRAGMENT_AUTO_REVOKE_ACTION, sessionId,
245                                     uid, packageName, openFromIntentAction);
246                         }
247                     }
248                 } catch (PackageManager.NameNotFoundException e) {
249                     // Do no logging
250                 }
251 
252                 final boolean allPermissions = getIntent().getBooleanExtra(
253                         EXTRA_ALL_PERMISSIONS, false);
254 
255 
256                 if (DeviceUtils.isAuto(this)) {
257                     if (allPermissions) {
258                         androidXFragment = AutoAllAppPermissionsFragment.newInstance(packageName,
259                                 userHandle, sessionId);
260                     } else {
261                         androidXFragment = AutoAppPermissionsFragment.newInstance(packageName,
262                                 userHandle, sessionId, /* isSystemPermsScreen= */ true);
263                     }
264                 } else if (DeviceUtils.isWear(this)) {
265                     androidXFragment = AppPermissionsFragmentWear.newInstance(packageName);
266                 } else if (DeviceUtils.isTelevision(this)) {
267                     androidXFragment = com.android.permissioncontroller.permission.ui.television
268                             .AppPermissionsFragment.newInstance(packageName, userHandle);
269                 } else {
270                     Bundle args = AppPermissionGroupsFragment.createArgs(packageName, userHandle,
271                             sessionId, /* isSystemPermsScreen= */  true);
272                     setNavGraph(args, R.id.app_permission_groups);
273                     return;
274                 }
275             } break;
276 
277             case Intent.ACTION_MANAGE_PERMISSION_APPS: {
278                 permissionName = getIntent().getStringExtra(Intent.EXTRA_PERMISSION_NAME);
279 
280                 String permissionGroupName = getIntent().getStringExtra(
281                         Intent.EXTRA_PERMISSION_GROUP_NAME);
282                 if (permissionGroupName == null) {
283                     try {
284                         PermissionInfo permInfo = getPackageManager().getPermissionInfo(
285                                 permissionName, 0);
286                         permissionGroupName = Utils.getGroupOfPermission(permInfo);
287                     } catch (PackageManager.NameNotFoundException e) {
288                         Log.i(LOG_TAG, "Permission " + permissionName + " does not exist");
289                     }
290                 }
291 
292                 if (permissionName == null && permissionGroupName == null) {
293                     Log.i(LOG_TAG, "Missing mandatory argument EXTRA_PERMISSION_NAME or"
294                             + "EXTRA_PERMISSION_GROUP_NAME");
295                     finishAfterTransition();
296                     return;
297                 }
298                 if (DeviceUtils.isAuto(this)) {
299                     androidXFragment =
300                             AutoPermissionAppsFragment.newInstance(permissionName, sessionId);
301                 } else if (DeviceUtils.isTelevision(this)) {
302                     androidXFragment = com.android.permissioncontroller.permission.ui.television
303                             .PermissionAppsFragment.newInstance(permissionName);
304                 } else {
305 
306                     Bundle args = PermissionAppsFragment.createArgs(permissionGroupName, sessionId);
307                     args.putString(Intent.EXTRA_PERMISSION_NAME, permissionName);
308                     setNavGraph(args, R.id.permission_apps);
309                     return;
310                 }
311             } break;
312 
313             case Intent.ACTION_MANAGE_UNUSED_APPS :
314                 // fall through
315             case ACTION_MANAGE_AUTO_REVOKE: {
316                 Log.i(LOG_TAG, "sessionId " + sessionId + " starting auto revoke fragment"
317                         + " from notification");
318                 PermissionControllerStatsLog.write(AUTO_REVOKE_NOTIFICATION_CLICKED, sessionId);
319 
320                 if (DeviceUtils.isAuto(this)) {
321                     androidXFragment = AutoUnusedAppsFragment.newInstance();
322                     androidXFragment.setArguments(UnusedAppsFragment.createArgs(sessionId));
323                 } else if (DeviceUtils.isWear(this) || DeviceUtils.isTelevision(this)) {
324                     androidXFragment = HandheldUnusedAppsWrapperFragment.newInstance();
325                     androidXFragment.setArguments(UnusedAppsFragment.createArgs(sessionId));
326                 } else {
327                     setNavGraph(UnusedAppsFragment.createArgs(sessionId), R.id.auto_revoke);
328                     return;
329                 }
330             } break;
331 
332             default: {
333                 Log.w(LOG_TAG, "Unrecognized action " + action);
334                 finishAfterTransition();
335                 return;
336             }
337         }
338 
339         if (fragment != null) {
340             getFragmentManager().beginTransaction().replace(android.R.id.content, fragment)
341                     .commit();
342         } else if (androidXFragment != null) {
343             getSupportFragmentManager().beginTransaction().replace(android.R.id.content,
344                     androidXFragment).commit();
345         }
346     }
347 
setNavGraph(Bundle args, int startDestination)348     private void setNavGraph(Bundle args, int startDestination) {
349         setContentView(R.layout.nav_host_fragment);
350         NavHostFragment navHost = (NavHostFragment) getSupportFragmentManager()
351                 .findFragmentById(R.id.nav_host_fragment);
352         NavInflater inflater = navHost.getNavController().getNavInflater();
353         NavGraph graph = inflater.inflate(R.navigation.nav_graph);
354         graph.setStartDestination(startDestination);
355         navHost.getNavController().setGraph(graph, args);
356     }
357 
358     @Override
getActionBar()359     public ActionBar getActionBar() {
360         ActionBar ab = super.getActionBar();
361         if (ab != null) {
362             ab.setHomeActionContentDescription(R.string.back);
363         }
364         return ab;
365     }
366 
367     @Override
onOptionsItemSelected(MenuItem item)368     public boolean onOptionsItemSelected(MenuItem item) {
369         // in automotive mode, there's no system wide back button, so need to add that
370         if (DeviceUtils.isAuto(this)) {
371             switch (item.getItemId()) {
372                 case android.R.id.home:
373                     onBackPressed();
374                     finishAfterTransition();
375                     return true;
376                 default:
377                     return super.onOptionsItemSelected(item);
378             }
379         }
380         return super.onOptionsItemSelected(item);
381     }
382 
383     @Override
onActivityResult(int requestCode, int resultCode, Intent data)384     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
385         super.onActivityResult(requestCode, resultCode, data);
386         if (requestCode == PROXY_ACTIVITY_REQUEST_CODE) {
387             setResult(resultCode, data);
388             finishAfterTransition();
389         }
390     }
391 
392 }
393