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
17package com.android.settings.applications;
18
19import android.app.AppOpsManager;
20import android.content.Context;
21import android.content.pm.ApplicationInfo;
22import android.content.pm.PackageInfo;
23import android.content.pm.PackageManager;
24import android.content.pm.PackageManager.NameNotFoundException;
25import android.content.res.Resources;
26import android.graphics.drawable.Drawable;
27import android.os.Parcel;
28import android.os.Parcelable;
29import android.text.format.DateUtils;
30
31import android.util.Log;
32import android.util.SparseArray;
33import com.android.settings.R;
34
35import java.io.File;
36import java.text.Collator;
37import java.util.ArrayList;
38import java.util.Collections;
39import java.util.Comparator;
40import java.util.HashMap;
41import java.util.List;
42
43public 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
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
67        public OpsTemplate(int[] _ops, boolean[] _showPerms) {
68            ops = _ops;
69            showPerms = _showPerms;
70        }
71
72        OpsTemplate(Parcel src) {
73            ops = src.createIntArray();
74            showPerms = src.createBooleanArray();
75        }
76
77        @Override
78        public int describeContents() {
79            return 0;
80        }
81
82        @Override
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            new boolean[] { false,
171                    true,
172                    true,
173                    false,
174                    false,
175                    false,
176                    false,
177                    false,
178                    false,
179                    false,
180                    false,
181                    false,
182                    false }
183            );
184
185    public static final OpsTemplate DEVICE_TEMPLATE = new OpsTemplate(
186            new int[] { AppOpsManager.OP_POST_NOTIFICATION,
187                    AppOpsManager.OP_ACCESS_NOTIFICATIONS,
188                    AppOpsManager.OP_CALL_PHONE,
189                    AppOpsManager.OP_WRITE_SETTINGS,
190                    AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
191                    AppOpsManager.OP_WAKE_LOCK },
192            new boolean[] { false,
193                    true,
194                    true,
195                    true,
196                    true,
197                    true,  }
198            );
199
200    public static final OpsTemplate[] ALL_TEMPLATES = new OpsTemplate[] {
201            LOCATION_TEMPLATE, PERSONAL_TEMPLATE, MESSAGING_TEMPLATE,
202            MEDIA_TEMPLATE, DEVICE_TEMPLATE
203    };
204
205    /**
206     * This class holds the per-item data in our Loader.
207     */
208    public static class AppEntry {
209        private final AppOpsState mState;
210        private final ApplicationInfo mInfo;
211        private final File mApkFile;
212        private final SparseArray<AppOpsManager.OpEntry> mOps
213                = new SparseArray<AppOpsManager.OpEntry>();
214        private final SparseArray<AppOpEntry> mOpSwitches
215                = new SparseArray<AppOpEntry>();
216        private String mLabel;
217        private Drawable mIcon;
218        private boolean mMounted;
219
220        public AppEntry(AppOpsState state, ApplicationInfo info) {
221            mState = state;
222            mInfo = info;
223            mApkFile = new File(info.sourceDir);
224        }
225
226        public void addOp(AppOpEntry entry, AppOpsManager.OpEntry op) {
227            mOps.put(op.getOp(), op);
228            mOpSwitches.put(AppOpsManager.opToSwitch(op.getOp()), entry);
229        }
230
231        public boolean hasOp(int op) {
232            return mOps.indexOfKey(op) >= 0;
233        }
234
235        public AppOpEntry getOpSwitch(int op) {
236            return mOpSwitches.get(AppOpsManager.opToSwitch(op));
237        }
238
239        public ApplicationInfo getApplicationInfo() {
240            return mInfo;
241        }
242
243        public String getLabel() {
244            return mLabel;
245        }
246
247        public Drawable getIcon() {
248            if (mIcon == null) {
249                if (mApkFile.exists()) {
250                    mIcon = mInfo.loadIcon(mState.mPm);
251                    return mIcon;
252                } else {
253                    mMounted = false;
254                }
255            } else if (!mMounted) {
256                // If the app wasn't mounted but is now mounted, reload
257                // its icon.
258                if (mApkFile.exists()) {
259                    mMounted = true;
260                    mIcon = mInfo.loadIcon(mState.mPm);
261                    return mIcon;
262                }
263            } else {
264                return mIcon;
265            }
266
267            return mState.mContext.getResources().getDrawable(
268                    android.R.drawable.sym_def_app_icon);
269        }
270
271        @Override public String toString() {
272            return mLabel;
273        }
274
275        void loadLabel(Context context) {
276            if (mLabel == null || !mMounted) {
277                if (!mApkFile.exists()) {
278                    mMounted = false;
279                    mLabel = mInfo.packageName;
280                } else {
281                    mMounted = true;
282                    CharSequence label = mInfo.loadLabel(context.getPackageManager());
283                    mLabel = label != null ? label.toString() : mInfo.packageName;
284                }
285            }
286        }
287    }
288
289    /**
290     * This class holds the per-item data in our Loader.
291     */
292    public static class AppOpEntry {
293        private final AppOpsManager.PackageOps mPkgOps;
294        private final ArrayList<AppOpsManager.OpEntry> mOps
295                = new ArrayList<AppOpsManager.OpEntry>();
296        private final ArrayList<AppOpsManager.OpEntry> mSwitchOps
297                = new ArrayList<AppOpsManager.OpEntry>();
298        private final AppEntry mApp;
299        private final int mSwitchOrder;
300
301        public AppOpEntry(AppOpsManager.PackageOps pkg, AppOpsManager.OpEntry op, AppEntry app,
302                int switchOrder) {
303            mPkgOps = pkg;
304            mApp = app;
305            mSwitchOrder = switchOrder;
306            mApp.addOp(this, op);
307            mOps.add(op);
308            mSwitchOps.add(op);
309        }
310
311        private static void addOp(ArrayList<AppOpsManager.OpEntry> list, AppOpsManager.OpEntry op) {
312            for (int i=0; i<list.size(); i++) {
313                AppOpsManager.OpEntry pos = list.get(i);
314                if (pos.isRunning() != op.isRunning()) {
315                    if (op.isRunning()) {
316                        list.add(i, op);
317                        return;
318                    }
319                    continue;
320                }
321                if (pos.getTime() < op.getTime()) {
322                    list.add(i, op);
323                    return;
324                }
325            }
326            list.add(op);
327        }
328
329        public void addOp(AppOpsManager.OpEntry op) {
330            mApp.addOp(this, op);
331            addOp(mOps, op);
332            if (mApp.getOpSwitch(AppOpsManager.opToSwitch(op.getOp())) == null) {
333                addOp(mSwitchOps, op);
334            }
335        }
336
337        public AppEntry getAppEntry() {
338            return mApp;
339        }
340
341        public int getSwitchOrder() {
342            return mSwitchOrder;
343        }
344
345        public AppOpsManager.PackageOps getPackageOps() {
346            return mPkgOps;
347        }
348
349        public int getNumOpEntry() {
350            return mOps.size();
351        }
352
353        public AppOpsManager.OpEntry getOpEntry(int pos) {
354            return mOps.get(pos);
355        }
356
357        private CharSequence getCombinedText(ArrayList<AppOpsManager.OpEntry> ops,
358                CharSequence[] items) {
359            if (ops.size() == 1) {
360                return items[ops.get(0).getOp()];
361            } else {
362                StringBuilder builder = new StringBuilder();
363                for (int i=0; i<ops.size(); i++) {
364                    if (i > 0) {
365                        builder.append(", ");
366                    }
367                    builder.append(items[ops.get(i).getOp()]);
368                }
369                return builder.toString();
370            }
371        }
372
373        public CharSequence getSummaryText(AppOpsState state) {
374            return getCombinedText(mOps, state.mOpSummaries);
375        }
376
377        public CharSequence getSwitchText(AppOpsState state) {
378            if (mSwitchOps.size() > 0) {
379                return getCombinedText(mSwitchOps, state.mOpLabels);
380            } else {
381                return getCombinedText(mOps, state.mOpLabels);
382            }
383        }
384
385        public CharSequence getTimeText(Resources res, boolean showEmptyText) {
386            if (isRunning()) {
387                return res.getText(R.string.app_ops_running);
388            }
389            if (getTime() > 0) {
390                return DateUtils.getRelativeTimeSpanString(getTime(),
391                        System.currentTimeMillis(),
392                        DateUtils.MINUTE_IN_MILLIS,
393                        DateUtils.FORMAT_ABBREV_RELATIVE);
394            }
395            return showEmptyText ? res.getText(R.string.app_ops_never_used) : "";
396        }
397
398        public boolean isRunning() {
399            return mOps.get(0).isRunning();
400        }
401
402        public long getTime() {
403            return mOps.get(0).getTime();
404        }
405
406        @Override public String toString() {
407            return mApp.getLabel();
408        }
409    }
410
411    /**
412     * Perform alphabetical comparison of application entry objects.
413     */
414    public static final Comparator<AppOpEntry> APP_OP_COMPARATOR = new Comparator<AppOpEntry>() {
415        private final Collator sCollator = Collator.getInstance();
416        @Override
417        public int compare(AppOpEntry object1, AppOpEntry object2) {
418            if (object1.getSwitchOrder() != object2.getSwitchOrder()) {
419                return object1.getSwitchOrder() < object2.getSwitchOrder() ? -1 : 1;
420            }
421            if (object1.isRunning() != object2.isRunning()) {
422                // Currently running ops go first.
423                return object1.isRunning() ? -1 : 1;
424            }
425            if (object1.getTime() != object2.getTime()) {
426                // More recent times go first.
427                return object1.getTime() > object2.getTime() ? -1 : 1;
428            }
429            return sCollator.compare(object1.getAppEntry().getLabel(),
430                    object2.getAppEntry().getLabel());
431        }
432    };
433
434    private void addOp(List<AppOpEntry> entries, AppOpsManager.PackageOps pkgOps,
435            AppEntry appEntry, AppOpsManager.OpEntry opEntry, boolean allowMerge, int switchOrder) {
436        if (allowMerge && entries.size() > 0) {
437            AppOpEntry last = entries.get(entries.size()-1);
438            if (last.getAppEntry() == appEntry) {
439                boolean lastExe = last.getTime() != 0;
440                boolean entryExe = opEntry.getTime() != 0;
441                if (lastExe == entryExe) {
442                    if (DEBUG) Log.d(TAG, "Add op " + opEntry.getOp() + " to package "
443                            + pkgOps.getPackageName() + ": append to " + last);
444                    last.addOp(opEntry);
445                    return;
446                }
447            }
448        }
449        AppOpEntry entry = appEntry.getOpSwitch(opEntry.getOp());
450        if (entry != null) {
451            entry.addOp(opEntry);
452            return;
453        }
454        entry = new AppOpEntry(pkgOps, opEntry, appEntry, switchOrder);
455        if (DEBUG) Log.d(TAG, "Add op " + opEntry.getOp() + " to package "
456                + pkgOps.getPackageName() + ": making new " + entry);
457        entries.add(entry);
458    }
459
460    public List<AppOpEntry> buildState(OpsTemplate tpl) {
461        return buildState(tpl, 0, null);
462    }
463
464    private AppEntry getAppEntry(final Context context, final HashMap<String, AppEntry> appEntries,
465            final String packageName, ApplicationInfo appInfo) {
466        AppEntry appEntry = appEntries.get(packageName);
467        if (appEntry == null) {
468            if (appInfo == null) {
469                try {
470                    appInfo = mPm.getApplicationInfo(packageName,
471                            PackageManager.GET_DISABLED_COMPONENTS
472                            | PackageManager.GET_UNINSTALLED_PACKAGES);
473                } catch (PackageManager.NameNotFoundException e) {
474                    Log.w(TAG, "Unable to find info for package " + packageName);
475                    return null;
476                }
477            }
478            appEntry = new AppEntry(this, appInfo);
479            appEntry.loadLabel(context);
480            appEntries.put(packageName, appEntry);
481        }
482        return appEntry;
483    }
484
485    public List<AppOpEntry> buildState(OpsTemplate tpl, int uid, String packageName) {
486        final Context context = mContext;
487
488        final HashMap<String, AppEntry> appEntries = new HashMap<String, AppEntry>();
489        final List<AppOpEntry> entries = new ArrayList<AppOpEntry>();
490
491        final ArrayList<String> perms = new ArrayList<String>();
492        final ArrayList<Integer> permOps = new ArrayList<Integer>();
493        final int[] opToOrder = new int[AppOpsManager._NUM_OP];
494        for (int i=0; i<tpl.ops.length; i++) {
495            if (tpl.showPerms[i]) {
496                String perm = AppOpsManager.opToPermission(tpl.ops[i]);
497                if (perm != null && !perms.contains(perm)) {
498                    perms.add(perm);
499                    permOps.add(tpl.ops[i]);
500                    opToOrder[tpl.ops[i]] = i;
501                }
502            }
503        }
504
505        List<AppOpsManager.PackageOps> pkgs;
506        if (packageName != null) {
507            pkgs = mAppOps.getOpsForPackage(uid, packageName, tpl.ops);
508        } else {
509            pkgs = mAppOps.getPackagesForOps(tpl.ops);
510        }
511
512        if (pkgs != null) {
513            for (int i=0; i<pkgs.size(); i++) {
514                AppOpsManager.PackageOps pkgOps = pkgs.get(i);
515                AppEntry appEntry = getAppEntry(context, appEntries, pkgOps.getPackageName(), null);
516                if (appEntry == null) {
517                    continue;
518                }
519                for (int j=0; j<pkgOps.getOps().size(); j++) {
520                    AppOpsManager.OpEntry opEntry = pkgOps.getOps().get(j);
521                    addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
522                            packageName == null ? 0 : opToOrder[opEntry.getOp()]);
523                }
524            }
525        }
526
527        List<PackageInfo> apps;
528        if (packageName != null) {
529            apps = new ArrayList<PackageInfo>();
530            try {
531                PackageInfo pi = mPm.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS);
532                apps.add(pi);
533            } catch (NameNotFoundException e) {
534            }
535        } else {
536            String[] permsArray = new String[perms.size()];
537            perms.toArray(permsArray);
538            apps = mPm.getPackagesHoldingPermissions(permsArray, 0);
539        }
540        for (int i=0; i<apps.size(); i++) {
541            PackageInfo appInfo = apps.get(i);
542            AppEntry appEntry = getAppEntry(context, appEntries, appInfo.packageName,
543                    appInfo.applicationInfo);
544            if (appEntry == null) {
545                continue;
546            }
547            List<AppOpsManager.OpEntry> dummyOps = null;
548            AppOpsManager.PackageOps pkgOps = null;
549            if (appInfo.requestedPermissions != null) {
550                for (int j=0; j<appInfo.requestedPermissions.length; j++) {
551                    if (appInfo.requestedPermissionsFlags != null) {
552                        if ((appInfo.requestedPermissionsFlags[j]
553                                & PackageInfo.REQUESTED_PERMISSION_GRANTED) == 0) {
554                            if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + " perm "
555                                    + appInfo.requestedPermissions[j] + " not granted; skipping");
556                            continue;
557                        }
558                    }
559                    if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + ": requested perm "
560                            + appInfo.requestedPermissions[j]);
561                    for (int k=0; k<perms.size(); k++) {
562                        if (!perms.get(k).equals(appInfo.requestedPermissions[j])) {
563                            continue;
564                        }
565                        if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + " perm " + perms.get(k)
566                                + " has op " + permOps.get(k) + ": " + appEntry.hasOp(permOps.get(k)));
567                        if (appEntry.hasOp(permOps.get(k))) {
568                            continue;
569                        }
570                        if (dummyOps == null) {
571                            dummyOps = new ArrayList<AppOpsManager.OpEntry>();
572                            pkgOps = new AppOpsManager.PackageOps(
573                                    appInfo.packageName, appInfo.applicationInfo.uid, dummyOps);
574
575                        }
576                        AppOpsManager.OpEntry opEntry = new AppOpsManager.OpEntry(
577                                permOps.get(k), AppOpsManager.MODE_ALLOWED, 0, 0, 0);
578                        dummyOps.add(opEntry);
579                        addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
580                                packageName == null ? 0 : opToOrder[opEntry.getOp()]);
581                    }
582                }
583            }
584        }
585
586        // Sort the list.
587        Collections.sort(entries, APP_OP_COMPARATOR);
588
589        // Done!
590        return entries;
591    }
592}
593