1 /**
2  * Copyright (C) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy
6  * 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, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations
14  * under the License.
15  */
16 
17 package com.android.settings.applications;
18 
19 import android.app.AppOpsManager;
20 import android.content.Context;
21 import android.content.pm.ApplicationInfo;
22 import android.content.pm.PackageInfo;
23 import android.content.pm.PackageManager;
24 import android.content.pm.PackageManager.NameNotFoundException;
25 import android.content.res.Resources;
26 import android.graphics.drawable.Drawable;
27 import android.os.Parcel;
28 import android.os.Parcelable;
29 import android.text.format.DateUtils;
30 
31 import android.util.Log;
32 import android.util.SparseArray;
33 import com.android.settings.R;
34 
35 import java.io.File;
36 import java.text.Collator;
37 import java.util.ArrayList;
38 import java.util.Collections;
39 import java.util.Comparator;
40 import java.util.HashMap;
41 import java.util.List;
42 
43 public class AppOpsState {
44     static final String TAG = "AppOpsState";
45     static final boolean DEBUG = false;
46 
47     final Context mContext;
48     final AppOpsManager mAppOps;
49     final PackageManager mPm;
50     final CharSequence[] mOpSummaries;
51     final CharSequence[] mOpLabels;
52 
53     List<AppOpEntry> mApps;
54 
AppOpsState(Context context)55     public AppOpsState(Context context) {
56         mContext = context;
57         mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
58         mPm = context.getPackageManager();
59         mOpSummaries = context.getResources().getTextArray(R.array.app_ops_summaries);
60         mOpLabels = context.getResources().getTextArray(R.array.app_ops_labels);
61     }
62 
63     public static class OpsTemplate implements Parcelable {
64         public final int[] ops;
65         public final boolean[] showPerms;
66 
OpsTemplate(int[] _ops, boolean[] _showPerms)67         public OpsTemplate(int[] _ops, boolean[] _showPerms) {
68             ops = _ops;
69             showPerms = _showPerms;
70         }
71 
OpsTemplate(Parcel src)72         OpsTemplate(Parcel src) {
73             ops = src.createIntArray();
74             showPerms = src.createBooleanArray();
75         }
76 
77         @Override
describeContents()78         public int describeContents() {
79             return 0;
80         }
81 
82         @Override
writeToParcel(Parcel dest, int flags)83         public void writeToParcel(Parcel dest, int flags) {
84             dest.writeIntArray(ops);
85             dest.writeBooleanArray(showPerms);
86         }
87 
88         public static final Creator<OpsTemplate> CREATOR = new Creator<OpsTemplate>() {
89             @Override public OpsTemplate createFromParcel(Parcel source) {
90                 return new OpsTemplate(source);
91             }
92 
93             @Override public OpsTemplate[] newArray(int size) {
94                 return new OpsTemplate[size];
95             }
96         };
97     }
98 
99     public static final OpsTemplate LOCATION_TEMPLATE = new OpsTemplate(
100             new int[] { AppOpsManager.OP_COARSE_LOCATION,
101                     AppOpsManager.OP_FINE_LOCATION,
102                     AppOpsManager.OP_GPS,
103                     AppOpsManager.OP_WIFI_SCAN,
104                     AppOpsManager.OP_NEIGHBORING_CELLS,
105                     AppOpsManager.OP_MONITOR_LOCATION,
106                     AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION },
107             new boolean[] { true,
108                     true,
109                     false,
110                     false,
111                     false,
112                     false,
113                     false }
114             );
115 
116     public static final OpsTemplate PERSONAL_TEMPLATE = new OpsTemplate(
117             new int[] { AppOpsManager.OP_READ_CONTACTS,
118                     AppOpsManager.OP_WRITE_CONTACTS,
119                     AppOpsManager.OP_READ_CALL_LOG,
120                     AppOpsManager.OP_WRITE_CALL_LOG,
121                     AppOpsManager.OP_READ_CALENDAR,
122                     AppOpsManager.OP_WRITE_CALENDAR,
123                     AppOpsManager.OP_READ_CLIPBOARD,
124                     AppOpsManager.OP_WRITE_CLIPBOARD },
125             new boolean[] { true,
126                     true,
127                     true,
128                     true,
129                     true,
130                     true,
131                     false,
132                     false }
133             );
134 
135     public static final OpsTemplate MESSAGING_TEMPLATE = new OpsTemplate(
136             new int[] { AppOpsManager.OP_READ_SMS,
137                     AppOpsManager.OP_RECEIVE_SMS,
138                     AppOpsManager.OP_RECEIVE_EMERGECY_SMS,
139                     AppOpsManager.OP_RECEIVE_MMS,
140                     AppOpsManager.OP_RECEIVE_WAP_PUSH,
141                     AppOpsManager.OP_WRITE_SMS,
142                     AppOpsManager.OP_SEND_SMS,
143                     AppOpsManager.OP_READ_ICC_SMS,
144                     AppOpsManager.OP_WRITE_ICC_SMS },
145             new boolean[] { true,
146                     true,
147                     true,
148                     true,
149                     true,
150                     true,
151                     true,
152                     true,
153                     true }
154             );
155 
156     public static final OpsTemplate MEDIA_TEMPLATE = new OpsTemplate(
157             new int[] { AppOpsManager.OP_VIBRATE,
158                     AppOpsManager.OP_CAMERA,
159                     AppOpsManager.OP_RECORD_AUDIO,
160                     AppOpsManager.OP_PLAY_AUDIO,
161                     AppOpsManager.OP_TAKE_MEDIA_BUTTONS,
162                     AppOpsManager.OP_TAKE_AUDIO_FOCUS,
163                     AppOpsManager.OP_AUDIO_MASTER_VOLUME,
164                     AppOpsManager.OP_AUDIO_VOICE_VOLUME,
165                     AppOpsManager.OP_AUDIO_RING_VOLUME,
166                     AppOpsManager.OP_AUDIO_MEDIA_VOLUME,
167                     AppOpsManager.OP_AUDIO_ALARM_VOLUME,
168                     AppOpsManager.OP_AUDIO_NOTIFICATION_VOLUME,
169                     AppOpsManager.OP_AUDIO_BLUETOOTH_VOLUME,
170                     AppOpsManager.OP_MUTE_MICROPHONE},
171             new boolean[] { false,
172                     true,
173                     true,
174                     false,
175                     false,
176                     false,
177                     false,
178                     false,
179                     false,
180                     false,
181                     false,
182                     false,
183                     false }
184             );
185 
186     public static final OpsTemplate DEVICE_TEMPLATE = new OpsTemplate(
187             new int[] { AppOpsManager.OP_POST_NOTIFICATION,
188                     AppOpsManager.OP_ACCESS_NOTIFICATIONS,
189                     AppOpsManager.OP_CALL_PHONE,
190                     AppOpsManager.OP_WRITE_SETTINGS,
191                     AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
192                     AppOpsManager.OP_WAKE_LOCK,
193                     AppOpsManager.OP_PROJECT_MEDIA,
194                     AppOpsManager.OP_ACTIVATE_VPN, },
195             new boolean[] { false,
196                     true,
197                     true,
198                     true,
199                     true,
200                     true,
201                     false,
202                     false, }
203             );
204 
205     public static final OpsTemplate[] ALL_TEMPLATES = new OpsTemplate[] {
206             LOCATION_TEMPLATE, PERSONAL_TEMPLATE, MESSAGING_TEMPLATE,
207             MEDIA_TEMPLATE, DEVICE_TEMPLATE
208     };
209 
210     /**
211      * This class holds the per-item data in our Loader.
212      */
213     public static class AppEntry {
214         private final AppOpsState mState;
215         private final ApplicationInfo mInfo;
216         private final File mApkFile;
217         private final SparseArray<AppOpsManager.OpEntry> mOps
218                 = new SparseArray<AppOpsManager.OpEntry>();
219         private final SparseArray<AppOpEntry> mOpSwitches
220                 = new SparseArray<AppOpEntry>();
221         private String mLabel;
222         private Drawable mIcon;
223         private boolean mMounted;
224 
AppEntry(AppOpsState state, ApplicationInfo info)225         public AppEntry(AppOpsState state, ApplicationInfo info) {
226             mState = state;
227             mInfo = info;
228             mApkFile = new File(info.sourceDir);
229         }
230 
addOp(AppOpEntry entry, AppOpsManager.OpEntry op)231         public void addOp(AppOpEntry entry, AppOpsManager.OpEntry op) {
232             mOps.put(op.getOp(), op);
233             mOpSwitches.put(AppOpsManager.opToSwitch(op.getOp()), entry);
234         }
235 
hasOp(int op)236         public boolean hasOp(int op) {
237             return mOps.indexOfKey(op) >= 0;
238         }
239 
getOpSwitch(int op)240         public AppOpEntry getOpSwitch(int op) {
241             return mOpSwitches.get(AppOpsManager.opToSwitch(op));
242         }
243 
getApplicationInfo()244         public ApplicationInfo getApplicationInfo() {
245             return mInfo;
246         }
247 
getLabel()248         public String getLabel() {
249             return mLabel;
250         }
251 
getIcon()252         public Drawable getIcon() {
253             if (mIcon == null) {
254                 if (mApkFile.exists()) {
255                     mIcon = mInfo.loadIcon(mState.mPm);
256                     return mIcon;
257                 } else {
258                     mMounted = false;
259                 }
260             } else if (!mMounted) {
261                 // If the app wasn't mounted but is now mounted, reload
262                 // its icon.
263                 if (mApkFile.exists()) {
264                     mMounted = true;
265                     mIcon = mInfo.loadIcon(mState.mPm);
266                     return mIcon;
267                 }
268             } else {
269                 return mIcon;
270             }
271 
272             return mState.mContext.getDrawable(
273                     android.R.drawable.sym_def_app_icon);
274         }
275 
toString()276         @Override public String toString() {
277             return mLabel;
278         }
279 
loadLabel(Context context)280         void loadLabel(Context context) {
281             if (mLabel == null || !mMounted) {
282                 if (!mApkFile.exists()) {
283                     mMounted = false;
284                     mLabel = mInfo.packageName;
285                 } else {
286                     mMounted = true;
287                     CharSequence label = mInfo.loadLabel(context.getPackageManager());
288                     mLabel = label != null ? label.toString() : mInfo.packageName;
289                 }
290             }
291         }
292     }
293 
294     /**
295      * This class holds the per-item data in our Loader.
296      */
297     public static class AppOpEntry {
298         private final AppOpsManager.PackageOps mPkgOps;
299         private final ArrayList<AppOpsManager.OpEntry> mOps
300                 = new ArrayList<AppOpsManager.OpEntry>();
301         private final ArrayList<AppOpsManager.OpEntry> mSwitchOps
302                 = new ArrayList<AppOpsManager.OpEntry>();
303         private final AppEntry mApp;
304         private final int mSwitchOrder;
305 
AppOpEntry(AppOpsManager.PackageOps pkg, AppOpsManager.OpEntry op, AppEntry app, int switchOrder)306         public AppOpEntry(AppOpsManager.PackageOps pkg, AppOpsManager.OpEntry op, AppEntry app,
307                 int switchOrder) {
308             mPkgOps = pkg;
309             mApp = app;
310             mSwitchOrder = switchOrder;
311             mApp.addOp(this, op);
312             mOps.add(op);
313             mSwitchOps.add(op);
314         }
315 
addOp(ArrayList<AppOpsManager.OpEntry> list, AppOpsManager.OpEntry op)316         private static void addOp(ArrayList<AppOpsManager.OpEntry> list, AppOpsManager.OpEntry op) {
317             for (int i=0; i<list.size(); i++) {
318                 AppOpsManager.OpEntry pos = list.get(i);
319                 if (pos.isRunning() != op.isRunning()) {
320                     if (op.isRunning()) {
321                         list.add(i, op);
322                         return;
323                     }
324                     continue;
325                 }
326                 if (pos.getTime() < op.getTime()) {
327                     list.add(i, op);
328                     return;
329                 }
330             }
331             list.add(op);
332         }
333 
addOp(AppOpsManager.OpEntry op)334         public void addOp(AppOpsManager.OpEntry op) {
335             mApp.addOp(this, op);
336             addOp(mOps, op);
337             if (mApp.getOpSwitch(AppOpsManager.opToSwitch(op.getOp())) == null) {
338                 addOp(mSwitchOps, op);
339             }
340         }
341 
getAppEntry()342         public AppEntry getAppEntry() {
343             return mApp;
344         }
345 
getSwitchOrder()346         public int getSwitchOrder() {
347             return mSwitchOrder;
348         }
349 
getPackageOps()350         public AppOpsManager.PackageOps getPackageOps() {
351             return mPkgOps;
352         }
353 
getNumOpEntry()354         public int getNumOpEntry() {
355             return mOps.size();
356         }
357 
getOpEntry(int pos)358         public AppOpsManager.OpEntry getOpEntry(int pos) {
359             return mOps.get(pos);
360         }
361 
getCombinedText(ArrayList<AppOpsManager.OpEntry> ops, CharSequence[] items)362         private CharSequence getCombinedText(ArrayList<AppOpsManager.OpEntry> ops,
363                 CharSequence[] items) {
364             if (ops.size() == 1) {
365                 return items[ops.get(0).getOp()];
366             } else {
367                 StringBuilder builder = new StringBuilder();
368                 for (int i=0; i<ops.size(); i++) {
369                     if (i > 0) {
370                         builder.append(", ");
371                     }
372                     builder.append(items[ops.get(i).getOp()]);
373                 }
374                 return builder.toString();
375             }
376         }
377 
getSummaryText(AppOpsState state)378         public CharSequence getSummaryText(AppOpsState state) {
379             return getCombinedText(mOps, state.mOpSummaries);
380         }
381 
getSwitchText(AppOpsState state)382         public CharSequence getSwitchText(AppOpsState state) {
383             if (mSwitchOps.size() > 0) {
384                 return getCombinedText(mSwitchOps, state.mOpLabels);
385             } else {
386                 return getCombinedText(mOps, state.mOpLabels);
387             }
388         }
389 
getTimeText(Resources res, boolean showEmptyText)390         public CharSequence getTimeText(Resources res, boolean showEmptyText) {
391             if (isRunning()) {
392                 return res.getText(R.string.app_ops_running);
393             }
394             if (getTime() > 0) {
395                 return DateUtils.getRelativeTimeSpanString(getTime(),
396                         System.currentTimeMillis(),
397                         DateUtils.MINUTE_IN_MILLIS,
398                         DateUtils.FORMAT_ABBREV_RELATIVE);
399             }
400             return showEmptyText ? res.getText(R.string.app_ops_never_used) : "";
401         }
402 
isRunning()403         public boolean isRunning() {
404             return mOps.get(0).isRunning();
405         }
406 
getTime()407         public long getTime() {
408             return mOps.get(0).getTime();
409         }
410 
toString()411         @Override public String toString() {
412             return mApp.getLabel();
413         }
414     }
415 
416     /**
417      * Perform alphabetical comparison of application entry objects.
418      */
419     public static final Comparator<AppOpEntry> APP_OP_COMPARATOR = new Comparator<AppOpEntry>() {
420         private final Collator sCollator = Collator.getInstance();
421         @Override
422         public int compare(AppOpEntry object1, AppOpEntry object2) {
423             if (object1.getSwitchOrder() != object2.getSwitchOrder()) {
424                 return object1.getSwitchOrder() < object2.getSwitchOrder() ? -1 : 1;
425             }
426             if (object1.isRunning() != object2.isRunning()) {
427                 // Currently running ops go first.
428                 return object1.isRunning() ? -1 : 1;
429             }
430             if (object1.getTime() != object2.getTime()) {
431                 // More recent times go first.
432                 return object1.getTime() > object2.getTime() ? -1 : 1;
433             }
434             return sCollator.compare(object1.getAppEntry().getLabel(),
435                     object2.getAppEntry().getLabel());
436         }
437     };
438 
addOp(List<AppOpEntry> entries, AppOpsManager.PackageOps pkgOps, AppEntry appEntry, AppOpsManager.OpEntry opEntry, boolean allowMerge, int switchOrder)439     private void addOp(List<AppOpEntry> entries, AppOpsManager.PackageOps pkgOps,
440             AppEntry appEntry, AppOpsManager.OpEntry opEntry, boolean allowMerge, int switchOrder) {
441         if (allowMerge && entries.size() > 0) {
442             AppOpEntry last = entries.get(entries.size()-1);
443             if (last.getAppEntry() == appEntry) {
444                 boolean lastExe = last.getTime() != 0;
445                 boolean entryExe = opEntry.getTime() != 0;
446                 if (lastExe == entryExe) {
447                     if (DEBUG) Log.d(TAG, "Add op " + opEntry.getOp() + " to package "
448                             + pkgOps.getPackageName() + ": append to " + last);
449                     last.addOp(opEntry);
450                     return;
451                 }
452             }
453         }
454         AppOpEntry entry = appEntry.getOpSwitch(opEntry.getOp());
455         if (entry != null) {
456             entry.addOp(opEntry);
457             return;
458         }
459         entry = new AppOpEntry(pkgOps, opEntry, appEntry, switchOrder);
460         if (DEBUG) Log.d(TAG, "Add op " + opEntry.getOp() + " to package "
461                 + pkgOps.getPackageName() + ": making new " + entry);
462         entries.add(entry);
463     }
464 
buildState(OpsTemplate tpl)465     public List<AppOpEntry> buildState(OpsTemplate tpl) {
466         return buildState(tpl, 0, null);
467     }
468 
getAppEntry(final Context context, final HashMap<String, AppEntry> appEntries, final String packageName, ApplicationInfo appInfo)469     private AppEntry getAppEntry(final Context context, final HashMap<String, AppEntry> appEntries,
470             final String packageName, ApplicationInfo appInfo) {
471         AppEntry appEntry = appEntries.get(packageName);
472         if (appEntry == null) {
473             if (appInfo == null) {
474                 try {
475                     appInfo = mPm.getApplicationInfo(packageName,
476                             PackageManager.GET_DISABLED_COMPONENTS
477                             | PackageManager.GET_UNINSTALLED_PACKAGES);
478                 } catch (PackageManager.NameNotFoundException e) {
479                     Log.w(TAG, "Unable to find info for package " + packageName);
480                     return null;
481                 }
482             }
483             appEntry = new AppEntry(this, appInfo);
484             appEntry.loadLabel(context);
485             appEntries.put(packageName, appEntry);
486         }
487         return appEntry;
488     }
489 
buildState(OpsTemplate tpl, int uid, String packageName)490     public List<AppOpEntry> buildState(OpsTemplate tpl, int uid, String packageName) {
491         final Context context = mContext;
492 
493         final HashMap<String, AppEntry> appEntries = new HashMap<String, AppEntry>();
494         final List<AppOpEntry> entries = new ArrayList<AppOpEntry>();
495 
496         final ArrayList<String> perms = new ArrayList<String>();
497         final ArrayList<Integer> permOps = new ArrayList<Integer>();
498         final int[] opToOrder = new int[AppOpsManager._NUM_OP];
499         for (int i=0; i<tpl.ops.length; i++) {
500             if (tpl.showPerms[i]) {
501                 String perm = AppOpsManager.opToPermission(tpl.ops[i]);
502                 if (perm != null && !perms.contains(perm)) {
503                     perms.add(perm);
504                     permOps.add(tpl.ops[i]);
505                     opToOrder[tpl.ops[i]] = i;
506                 }
507             }
508         }
509 
510         List<AppOpsManager.PackageOps> pkgs;
511         if (packageName != null) {
512             pkgs = mAppOps.getOpsForPackage(uid, packageName, tpl.ops);
513         } else {
514             pkgs = mAppOps.getPackagesForOps(tpl.ops);
515         }
516 
517         if (pkgs != null) {
518             for (int i=0; i<pkgs.size(); i++) {
519                 AppOpsManager.PackageOps pkgOps = pkgs.get(i);
520                 AppEntry appEntry = getAppEntry(context, appEntries, pkgOps.getPackageName(), null);
521                 if (appEntry == null) {
522                     continue;
523                 }
524                 for (int j=0; j<pkgOps.getOps().size(); j++) {
525                     AppOpsManager.OpEntry opEntry = pkgOps.getOps().get(j);
526                     addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
527                             packageName == null ? 0 : opToOrder[opEntry.getOp()]);
528                 }
529             }
530         }
531 
532         List<PackageInfo> apps;
533         if (packageName != null) {
534             apps = new ArrayList<PackageInfo>();
535             try {
536                 PackageInfo pi = mPm.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS);
537                 apps.add(pi);
538             } catch (NameNotFoundException e) {
539             }
540         } else {
541             String[] permsArray = new String[perms.size()];
542             perms.toArray(permsArray);
543             apps = mPm.getPackagesHoldingPermissions(permsArray, 0);
544         }
545         for (int i=0; i<apps.size(); i++) {
546             PackageInfo appInfo = apps.get(i);
547             AppEntry appEntry = getAppEntry(context, appEntries, appInfo.packageName,
548                     appInfo.applicationInfo);
549             if (appEntry == null) {
550                 continue;
551             }
552             List<AppOpsManager.OpEntry> dummyOps = null;
553             AppOpsManager.PackageOps pkgOps = null;
554             if (appInfo.requestedPermissions != null) {
555                 for (int j=0; j<appInfo.requestedPermissions.length; j++) {
556                     if (appInfo.requestedPermissionsFlags != null) {
557                         if ((appInfo.requestedPermissionsFlags[j]
558                                 & PackageInfo.REQUESTED_PERMISSION_GRANTED) == 0) {
559                             if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + " perm "
560                                     + appInfo.requestedPermissions[j] + " not granted; skipping");
561                             continue;
562                         }
563                     }
564                     if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + ": requested perm "
565                             + appInfo.requestedPermissions[j]);
566                     for (int k=0; k<perms.size(); k++) {
567                         if (!perms.get(k).equals(appInfo.requestedPermissions[j])) {
568                             continue;
569                         }
570                         if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + " perm " + perms.get(k)
571                                 + " has op " + permOps.get(k) + ": " + appEntry.hasOp(permOps.get(k)));
572                         if (appEntry.hasOp(permOps.get(k))) {
573                             continue;
574                         }
575                         if (dummyOps == null) {
576                             dummyOps = new ArrayList<AppOpsManager.OpEntry>();
577                             pkgOps = new AppOpsManager.PackageOps(
578                                     appInfo.packageName, appInfo.applicationInfo.uid, dummyOps);
579 
580                         }
581                         AppOpsManager.OpEntry opEntry = new AppOpsManager.OpEntry(
582                                 permOps.get(k), AppOpsManager.MODE_ALLOWED, 0, 0, 0);
583                         dummyOps.add(opEntry);
584                         addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
585                                 packageName == null ? 0 : opToOrder[opEntry.getOp()]);
586                     }
587                 }
588             }
589         }
590 
591         // Sort the list.
592         Collections.sort(entries, APP_OP_COMPARATOR);
593 
594         // Done!
595         return entries;
596     }
597 }
598