1 /* 2 * Copyright (C) 2014 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.server.pm; 18 19 import android.annotation.NonNull; 20 import android.annotation.UserIdInt; 21 import android.app.ActivityManager; 22 import android.app.ActivityManagerInternal; 23 import android.app.AppGlobals; 24 import android.app.PendingIntent; 25 import android.content.ComponentName; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.IntentSender; 29 import android.content.pm.ActivityInfo; 30 import android.content.pm.ApplicationInfo; 31 import android.content.pm.ILauncherApps; 32 import android.content.pm.IOnAppsChangedListener; 33 import android.content.pm.IPackageManager; 34 import android.content.pm.LauncherApps.ShortcutQuery; 35 import android.content.pm.PackageInfo; 36 import android.content.pm.PackageManager; 37 import android.content.pm.PackageManagerInternal; 38 import android.content.pm.PackageManager.NameNotFoundException; 39 import android.content.pm.ParceledListSlice; 40 import android.content.pm.ResolveInfo; 41 import android.content.pm.ShortcutInfo; 42 import android.content.pm.ShortcutServiceInternal; 43 import android.content.pm.ShortcutServiceInternal.ShortcutChangeListener; 44 import android.content.pm.UserInfo; 45 import android.graphics.Rect; 46 import android.net.Uri; 47 import android.os.Binder; 48 import android.os.Bundle; 49 import android.os.Handler; 50 import android.os.IInterface; 51 import android.os.ParcelFileDescriptor; 52 import android.os.RemoteCallbackList; 53 import android.os.RemoteException; 54 import android.os.UserHandle; 55 import android.os.UserManager; 56 import android.provider.Settings; 57 import android.util.Log; 58 import android.util.Slog; 59 60 import com.android.internal.annotations.VisibleForTesting; 61 import com.android.internal.content.PackageMonitor; 62 import com.android.internal.os.BackgroundThread; 63 import com.android.internal.util.Preconditions; 64 import com.android.server.LocalServices; 65 import com.android.server.SystemService; 66 67 import java.util.ArrayList; 68 import java.util.Collections; 69 import java.util.List; 70 71 /** 72 * Service that manages requests and callbacks for launchers that support 73 * managed profiles. 74 */ 75 public class LauncherAppsService extends SystemService { 76 77 private final LauncherAppsImpl mLauncherAppsImpl; 78 79 public LauncherAppsService(Context context) { 80 super(context); 81 mLauncherAppsImpl = new LauncherAppsImpl(context); 82 } 83 84 @Override 85 public void onStart() { 86 publishBinderService(Context.LAUNCHER_APPS_SERVICE, mLauncherAppsImpl); 87 } 88 89 static class BroadcastCookie { 90 public final UserHandle user; 91 public final String packageName; 92 93 BroadcastCookie(UserHandle userHandle, String packageName) { 94 this.user = userHandle; 95 this.packageName = packageName; 96 } 97 } 98 99 @VisibleForTesting 100 static class LauncherAppsImpl extends ILauncherApps.Stub { 101 private static final boolean DEBUG = false; 102 private static final String TAG = "LauncherAppsService"; 103 private final Context mContext; 104 private final UserManager mUm; 105 private final ActivityManagerInternal mActivityManagerInternal; 106 private final ShortcutServiceInternal mShortcutServiceInternal; 107 private final PackageCallbackList<IOnAppsChangedListener> mListeners 108 = new PackageCallbackList<IOnAppsChangedListener>(); 109 110 private final MyPackageMonitor mPackageMonitor = new MyPackageMonitor(); 111 112 private final Handler mCallbackHandler; 113 114 public LauncherAppsImpl(Context context) { 115 mContext = context; 116 mUm = (UserManager) mContext.getSystemService(Context.USER_SERVICE); 117 mActivityManagerInternal = Preconditions.checkNotNull( 118 LocalServices.getService(ActivityManagerInternal.class)); 119 mShortcutServiceInternal = Preconditions.checkNotNull( 120 LocalServices.getService(ShortcutServiceInternal.class)); 121 mShortcutServiceInternal.addListener(mPackageMonitor); 122 mCallbackHandler = BackgroundThread.getHandler(); 123 } 124 125 @VisibleForTesting 126 int injectBinderCallingUid() { 127 return getCallingUid(); 128 } 129 130 final int injectCallingUserId() { 131 return UserHandle.getUserId(injectBinderCallingUid()); 132 } 133 134 @VisibleForTesting 135 long injectClearCallingIdentity() { 136 return Binder.clearCallingIdentity(); 137 } 138 139 // Injection point. 140 @VisibleForTesting 141 void injectRestoreCallingIdentity(long token) { 142 Binder.restoreCallingIdentity(token); 143 } 144 145 private int getCallingUserId() { 146 return UserHandle.getUserId(injectBinderCallingUid()); 147 } 148 149 /* 150 * @see android.content.pm.ILauncherApps#addOnAppsChangedListener( 151 * android.content.pm.IOnAppsChangedListener) 152 */ 153 @Override 154 public void addOnAppsChangedListener(String callingPackage, IOnAppsChangedListener listener) 155 throws RemoteException { 156 verifyCallingPackage(callingPackage); 157 synchronized (mListeners) { 158 if (DEBUG) { 159 Log.d(TAG, "Adding listener from " + Binder.getCallingUserHandle()); 160 } 161 if (mListeners.getRegisteredCallbackCount() == 0) { 162 if (DEBUG) { 163 Log.d(TAG, "Starting package monitoring"); 164 } 165 startWatchingPackageBroadcasts(); 166 } 167 mListeners.unregister(listener); 168 mListeners.register(listener, new BroadcastCookie(UserHandle.of(getCallingUserId()), 169 callingPackage)); 170 } 171 } 172 173 /* 174 * @see android.content.pm.ILauncherApps#removeOnAppsChangedListener( 175 * android.content.pm.IOnAppsChangedListener) 176 */ 177 @Override 178 public void removeOnAppsChangedListener(IOnAppsChangedListener listener) 179 throws RemoteException { 180 synchronized (mListeners) { 181 if (DEBUG) { 182 Log.d(TAG, "Removing listener from " + Binder.getCallingUserHandle()); 183 } 184 mListeners.unregister(listener); 185 if (mListeners.getRegisteredCallbackCount() == 0) { 186 stopWatchingPackageBroadcasts(); 187 } 188 } 189 } 190 191 /** 192 * Register a receiver to watch for package broadcasts 193 */ 194 private void startWatchingPackageBroadcasts() { 195 mPackageMonitor.register(mContext, UserHandle.ALL, true, mCallbackHandler); 196 } 197 198 /** 199 * Unregister package broadcast receiver 200 */ 201 private void stopWatchingPackageBroadcasts() { 202 if (DEBUG) { 203 Log.d(TAG, "Stopped watching for packages"); 204 } 205 mPackageMonitor.unregister(); 206 } 207 208 void checkCallbackCount() { 209 synchronized (mListeners) { 210 if (DEBUG) { 211 Log.d(TAG, "Callback count = " + mListeners.getRegisteredCallbackCount()); 212 } 213 if (mListeners.getRegisteredCallbackCount() == 0) { 214 stopWatchingPackageBroadcasts(); 215 } 216 } 217 } 218 219 /** See {@link #canAccessProfile(String, int, String)} */ 220 private boolean canAccessProfile( 221 String callingPackage, UserHandle targetUser, String message) { 222 return canAccessProfile(callingPackage, targetUser.getIdentifier(), message); 223 } 224 225 /** 226 * Checks if the calling user is in the same group as {@code targetUser}, and allowed 227 * to access it. 228 * 229 * @return TRUE if the calling user can access {@code targetUserId}. FALSE if not *but 230 * they're still in the same profile group*. 231 * 232 * @throws SecurityException if the calling user and {@code targetUser} are not in the same 233 * group. 234 */ 235 private boolean canAccessProfile(String callingPackage, int targetUserId, String message) { 236 final int callingUserId = injectCallingUserId(); 237 238 if (targetUserId == callingUserId) return true; 239 240 long ident = injectClearCallingIdentity(); 241 try { 242 UserInfo callingUserInfo = mUm.getUserInfo(callingUserId); 243 if (callingUserInfo.isManagedProfile()) { 244 Slog.w(TAG, message + " by " + callingPackage + " for another profile " 245 + targetUserId + " from " + callingUserId); 246 return false; 247 } 248 249 UserInfo targetUserInfo = mUm.getUserInfo(targetUserId); 250 if (targetUserInfo == null 251 || targetUserInfo.profileGroupId == UserInfo.NO_PROFILE_GROUP_ID 252 || targetUserInfo.profileGroupId != callingUserInfo.profileGroupId) { 253 throw new SecurityException(message + " for unrelated profile " + targetUserId); 254 } 255 } finally { 256 injectRestoreCallingIdentity(ident); 257 } 258 return true; 259 } 260 261 @VisibleForTesting // We override it in unit tests 262 void verifyCallingPackage(String callingPackage) { 263 int packageUid = -1; 264 try { 265 packageUid = AppGlobals.getPackageManager().getPackageUid(callingPackage, 266 PackageManager.MATCH_DIRECT_BOOT_AWARE 267 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE 268 | PackageManager.MATCH_UNINSTALLED_PACKAGES, 269 UserHandle.getUserId(getCallingUid())); 270 } catch (RemoteException ignore) { 271 } 272 if (packageUid < 0) { 273 Log.e(TAG, "Package not found: " + callingPackage); 274 } 275 if (packageUid != injectBinderCallingUid()) { 276 throw new SecurityException("Calling package name mismatch"); 277 } 278 } 279 280 /** 281 * Checks if the user is enabled. 282 */ 283 private boolean isUserEnabled(UserHandle user) { 284 return isUserEnabled(user.getIdentifier()); 285 } 286 287 private boolean isUserEnabled(int userId) { 288 long ident = injectClearCallingIdentity(); 289 try { 290 UserInfo targetUserInfo = mUm.getUserInfo(userId); 291 return targetUserInfo != null && targetUserInfo.isEnabled(); 292 } finally { 293 injectRestoreCallingIdentity(ident); 294 } 295 } 296 297 @Override 298 public ParceledListSlice<ResolveInfo> getLauncherActivities(String callingPackage, 299 String packageName, UserHandle user) 300 throws RemoteException { 301 return queryActivitiesForUser(callingPackage, 302 new Intent(Intent.ACTION_MAIN) 303 .addCategory(Intent.CATEGORY_LAUNCHER) 304 .setPackage(packageName), 305 user); 306 } 307 308 @Override 309 public ActivityInfo resolveActivity( 310 String callingPackage, ComponentName component, UserHandle user) 311 throws RemoteException { 312 if (!canAccessProfile(callingPackage, user, "Cannot resolve activity")) { 313 return null; 314 } 315 if (!isUserEnabled(user)) { 316 return null; 317 } 318 319 final int callingUid = injectBinderCallingUid(); 320 long ident = Binder.clearCallingIdentity(); 321 try { 322 final PackageManagerInternal pmInt = 323 LocalServices.getService(PackageManagerInternal.class); 324 return pmInt.getActivityInfo(component, 325 PackageManager.MATCH_DIRECT_BOOT_AWARE 326 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 327 callingUid, user.getIdentifier()); 328 } finally { 329 Binder.restoreCallingIdentity(ident); 330 } 331 } 332 333 @Override 334 public ParceledListSlice getShortcutConfigActivities( 335 String callingPackage, String packageName, UserHandle user) 336 throws RemoteException { 337 return queryActivitiesForUser(callingPackage, 338 new Intent(Intent.ACTION_CREATE_SHORTCUT).setPackage(packageName), user); 339 } 340 341 private ParceledListSlice<ResolveInfo> queryActivitiesForUser(String callingPackage, 342 Intent intent, UserHandle user) { 343 if (!canAccessProfile(callingPackage, user, "Cannot retrieve activities")) { 344 return null; 345 } 346 if (!isUserEnabled(user)) { 347 return null; 348 } 349 350 final int callingUid = injectBinderCallingUid(); 351 long ident = injectClearCallingIdentity(); 352 try { 353 final PackageManagerInternal pmInt = 354 LocalServices.getService(PackageManagerInternal.class); 355 List<ResolveInfo> apps = pmInt.queryIntentActivities(intent, 356 PackageManager.MATCH_DIRECT_BOOT_AWARE 357 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 358 callingUid, user.getIdentifier()); 359 return new ParceledListSlice<>(apps); 360 } finally { 361 injectRestoreCallingIdentity(ident); 362 } 363 } 364 365 @Override 366 public IntentSender getShortcutConfigActivityIntent(String callingPackage, 367 ComponentName component, UserHandle user) throws RemoteException { 368 ensureShortcutPermission(callingPackage); 369 if (!canAccessProfile(callingPackage, user, "Cannot check package")) { 370 return null; 371 } 372 Preconditions.checkNotNull(component); 373 Preconditions.checkArgument(isUserEnabled(user), "User not enabled"); 374 375 // All right, create the sender. 376 Intent intent = new Intent(Intent.ACTION_CREATE_SHORTCUT).setComponent(component); 377 final long identity = Binder.clearCallingIdentity(); 378 try { 379 final PendingIntent pi = PendingIntent.getActivityAsUser( 380 mContext, 0, intent, PendingIntent.FLAG_ONE_SHOT 381 | PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_CANCEL_CURRENT, 382 null, user); 383 return pi == null ? null : pi.getIntentSender(); 384 } finally { 385 Binder.restoreCallingIdentity(identity); 386 } 387 } 388 389 @Override 390 public boolean isPackageEnabled(String callingPackage, String packageName, UserHandle user) 391 throws RemoteException { 392 if (!canAccessProfile(callingPackage, user, "Cannot check package")) { 393 return false; 394 } 395 if (!isUserEnabled(user)) { 396 return false; 397 } 398 399 final int callingUid = injectBinderCallingUid(); 400 long ident = Binder.clearCallingIdentity(); 401 try { 402 final PackageManagerInternal pmInt = 403 LocalServices.getService(PackageManagerInternal.class); 404 PackageInfo info = pmInt.getPackageInfo(packageName, 405 PackageManager.MATCH_DIRECT_BOOT_AWARE 406 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 407 callingUid, user.getIdentifier()); 408 return info != null && info.applicationInfo.enabled; 409 } finally { 410 Binder.restoreCallingIdentity(ident); 411 } 412 } 413 414 @Override 415 public ApplicationInfo getApplicationInfo( 416 String callingPackage, String packageName, int flags, UserHandle user) 417 throws RemoteException { 418 if (!canAccessProfile(callingPackage, user, "Cannot check package")) { 419 return null; 420 } 421 if (!isUserEnabled(user)) { 422 return null; 423 } 424 425 final int callingUid = injectBinderCallingUid(); 426 long ident = Binder.clearCallingIdentity(); 427 try { 428 final PackageManagerInternal pmInt = 429 LocalServices.getService(PackageManagerInternal.class); 430 ApplicationInfo info = pmInt.getApplicationInfo(packageName, flags, 431 callingUid, user.getIdentifier()); 432 return info; 433 } finally { 434 Binder.restoreCallingIdentity(ident); 435 } 436 } 437 438 private void ensureShortcutPermission(@NonNull String callingPackage) { 439 verifyCallingPackage(callingPackage); 440 if (!mShortcutServiceInternal.hasShortcutHostPermission(getCallingUserId(), 441 callingPackage)) { 442 throw new SecurityException("Caller can't access shortcut information"); 443 } 444 } 445 446 @Override 447 public ParceledListSlice getShortcuts(String callingPackage, long changedSince, 448 String packageName, List shortcutIds, ComponentName componentName, int flags, 449 UserHandle targetUser) { 450 ensureShortcutPermission(callingPackage); 451 if (!canAccessProfile(callingPackage, targetUser, "Cannot get shortcuts") 452 || !isUserEnabled(targetUser)) { 453 return new ParceledListSlice<>(Collections.EMPTY_LIST); 454 } 455 if (shortcutIds != null && packageName == null) { 456 throw new IllegalArgumentException( 457 "To query by shortcut ID, package name must also be set"); 458 } 459 460 // TODO(b/29399275): Eclipse compiler requires explicit List<ShortcutInfo> cast below. 461 return new ParceledListSlice<>((List<ShortcutInfo>) 462 mShortcutServiceInternal.getShortcuts(getCallingUserId(), 463 callingPackage, changedSince, packageName, shortcutIds, 464 componentName, flags, targetUser.getIdentifier())); 465 } 466 467 @Override 468 public void pinShortcuts(String callingPackage, String packageName, List<String> ids, 469 UserHandle targetUser) { 470 ensureShortcutPermission(callingPackage); 471 if (!canAccessProfile(callingPackage, targetUser, "Cannot pin shortcuts")) { 472 return; 473 } 474 if (!isUserEnabled(targetUser)) { 475 throw new IllegalStateException("Cannot pin shortcuts for disabled profile " 476 + targetUser); 477 } 478 479 mShortcutServiceInternal.pinShortcuts(getCallingUserId(), 480 callingPackage, packageName, ids, targetUser.getIdentifier()); 481 } 482 483 @Override 484 public int getShortcutIconResId(String callingPackage, String packageName, String id, 485 int targetUserId) { 486 ensureShortcutPermission(callingPackage); 487 if (!canAccessProfile(callingPackage, targetUserId, "Cannot access shortcuts")) { 488 return 0; 489 } 490 if (!isUserEnabled(targetUserId)) { 491 return 0; 492 } 493 494 return mShortcutServiceInternal.getShortcutIconResId(getCallingUserId(), 495 callingPackage, packageName, id, targetUserId); 496 } 497 498 @Override 499 public ParcelFileDescriptor getShortcutIconFd(String callingPackage, 500 String packageName, String id, int targetUserId) { 501 ensureShortcutPermission(callingPackage); 502 if (!canAccessProfile(callingPackage, targetUserId, "Cannot access shortcuts")) { 503 return null; 504 } 505 if (!isUserEnabled(targetUserId)) { 506 return null; 507 } 508 509 return mShortcutServiceInternal.getShortcutIconFd(getCallingUserId(), 510 callingPackage, packageName, id, targetUserId); 511 } 512 513 @Override 514 public boolean hasShortcutHostPermission(String callingPackage) { 515 verifyCallingPackage(callingPackage); 516 return mShortcutServiceInternal.hasShortcutHostPermission(getCallingUserId(), 517 callingPackage); 518 } 519 520 @Override 521 public boolean startShortcut(String callingPackage, String packageName, String shortcutId, 522 Rect sourceBounds, Bundle startActivityOptions, int targetUserId) { 523 verifyCallingPackage(callingPackage); 524 if (!canAccessProfile(callingPackage, targetUserId, "Cannot start activity")) { 525 return false; 526 } 527 if (!isUserEnabled(targetUserId)) { 528 throw new IllegalStateException("Cannot start a shortcut for disabled profile " 529 + targetUserId); 530 } 531 532 // Even without the permission, pinned shortcuts are always launchable. 533 if (!mShortcutServiceInternal.isPinnedByCaller(getCallingUserId(), 534 callingPackage, packageName, shortcutId, targetUserId)) { 535 ensureShortcutPermission(callingPackage); 536 } 537 538 final Intent[] intents = mShortcutServiceInternal.createShortcutIntents( 539 getCallingUserId(), callingPackage, packageName, shortcutId, targetUserId); 540 if (intents == null || intents.length == 0) { 541 return false; 542 } 543 // Note the target activity doesn't have to be exported. 544 545 intents[0].addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 546 intents[0].setSourceBounds(sourceBounds); 547 548 return startShortcutIntentsAsPublisher( 549 intents, packageName, startActivityOptions, targetUserId); 550 } 551 552 private boolean startShortcutIntentsAsPublisher(@NonNull Intent[] intents, 553 @NonNull String publisherPackage, Bundle startActivityOptions, int userId) { 554 final int code; 555 final long ident = injectClearCallingIdentity(); 556 try { 557 code = mActivityManagerInternal.startActivitiesAsPackage(publisherPackage, 558 userId, intents, startActivityOptions); 559 if (ActivityManager.isStartResultSuccessful(code)) { 560 return true; // Success 561 } else { 562 Log.e(TAG, "Couldn't start activity, code=" + code); 563 } 564 return false; 565 } catch (SecurityException e) { 566 if (DEBUG) { 567 Slog.d(TAG, "SecurityException while launching intent", e); 568 } 569 return false; 570 } finally { 571 injectRestoreCallingIdentity(ident); 572 } 573 } 574 575 @Override 576 public boolean isActivityEnabled( 577 String callingPackage, ComponentName component, UserHandle user) 578 throws RemoteException { 579 if (!canAccessProfile(callingPackage , user, "Cannot check component")) { 580 return false; 581 } 582 if (!isUserEnabled(user)) { 583 return false; 584 } 585 586 final int callingUid = injectBinderCallingUid(); 587 long ident = Binder.clearCallingIdentity(); 588 try { 589 final PackageManagerInternal pmInt = 590 LocalServices.getService(PackageManagerInternal.class); 591 ActivityInfo info = pmInt.getActivityInfo(component, 592 PackageManager.MATCH_DIRECT_BOOT_AWARE 593 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 594 callingUid, user.getIdentifier()); 595 return info != null; 596 } finally { 597 Binder.restoreCallingIdentity(ident); 598 } 599 } 600 601 @Override 602 public void startActivityAsUser(String callingPackage, 603 ComponentName component, Rect sourceBounds, 604 Bundle opts, UserHandle user) throws RemoteException { 605 if (!canAccessProfile(callingPackage, user, "Cannot start activity")) { 606 return; 607 } 608 if (!isUserEnabled(user)) { 609 throw new IllegalStateException("Cannot start activity for disabled profile " + user); 610 } 611 612 Intent launchIntent = new Intent(Intent.ACTION_MAIN); 613 launchIntent.addCategory(Intent.CATEGORY_LAUNCHER); 614 launchIntent.setSourceBounds(sourceBounds); 615 launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK 616 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 617 launchIntent.setPackage(component.getPackageName()); 618 619 final int callingUid = injectBinderCallingUid(); 620 long ident = Binder.clearCallingIdentity(); 621 try { 622 final PackageManagerInternal pmInt = 623 LocalServices.getService(PackageManagerInternal.class); 624 ActivityInfo info = pmInt.getActivityInfo(component, 625 PackageManager.MATCH_DIRECT_BOOT_AWARE 626 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 627 callingUid, user.getIdentifier()); 628 if (!info.exported) { 629 throw new SecurityException("Cannot launch non-exported components " 630 + component); 631 } 632 633 // Check that the component actually has Intent.CATEGORY_LAUCNCHER 634 // as calling startActivityAsUser ignores the category and just 635 // resolves based on the component if present. 636 List<ResolveInfo> apps = pmInt.queryIntentActivities(launchIntent, 637 PackageManager.MATCH_DIRECT_BOOT_AWARE 638 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 639 callingUid, user.getIdentifier()); 640 final int size = apps.size(); 641 for (int i = 0; i < size; ++i) { 642 ActivityInfo activityInfo = apps.get(i).activityInfo; 643 if (activityInfo.packageName.equals(component.getPackageName()) && 644 activityInfo.name.equals(component.getClassName())) { 645 // Found an activity with category launcher that matches 646 // this component so ok to launch. 647 launchIntent.setComponent(component); 648 mContext.startActivityAsUser(launchIntent, opts, user); 649 return; 650 } 651 } 652 throw new SecurityException("Attempt to launch activity without " 653 + " category Intent.CATEGORY_LAUNCHER " + component); 654 } finally { 655 Binder.restoreCallingIdentity(ident); 656 } 657 } 658 659 @Override 660 public void showAppDetailsAsUser(String callingPackage, ComponentName component, 661 Rect sourceBounds, Bundle opts, UserHandle user) throws RemoteException { 662 if (!canAccessProfile(callingPackage, user, "Cannot show app details")) { 663 return; 664 } 665 if (!isUserEnabled(user)) { 666 throw new IllegalStateException("Cannot show app details for disabled profile " 667 + user); 668 } 669 670 long ident = Binder.clearCallingIdentity(); 671 try { 672 String packageName = component.getPackageName(); 673 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 674 Uri.fromParts("package", packageName, null)); 675 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 676 intent.setSourceBounds(sourceBounds); 677 mContext.startActivityAsUser(intent, opts, user); 678 } finally { 679 Binder.restoreCallingIdentity(ident); 680 } 681 } 682 683 /** Checks if user is a profile of or same as listeningUser. 684 * and the user is enabled. */ 685 private boolean isEnabledProfileOf(UserHandle user, UserHandle listeningUser, 686 String debugMsg) { 687 if (user.getIdentifier() == listeningUser.getIdentifier()) { 688 if (DEBUG) Log.d(TAG, "Delivering msg to same user: " + debugMsg); 689 return true; 690 } 691 if (mUm.isManagedProfile(listeningUser.getIdentifier())) { 692 if (DEBUG) Log.d(TAG, "Managed profile can't see other profiles: " + debugMsg); 693 return false; 694 } 695 long ident = injectClearCallingIdentity(); 696 try { 697 UserInfo userInfo = mUm.getUserInfo(user.getIdentifier()); 698 UserInfo listeningUserInfo = mUm.getUserInfo(listeningUser.getIdentifier()); 699 if (userInfo == null || listeningUserInfo == null 700 || userInfo.profileGroupId == UserInfo.NO_PROFILE_GROUP_ID 701 || userInfo.profileGroupId != listeningUserInfo.profileGroupId 702 || !userInfo.isEnabled()) { 703 if (DEBUG) { 704 Log.d(TAG, "Not delivering msg from " + user + " to " + listeningUser + ":" 705 + debugMsg); 706 } 707 return false; 708 } else { 709 if (DEBUG) { 710 Log.d(TAG, "Delivering msg from " + user + " to " + listeningUser + ":" 711 + debugMsg); 712 } 713 return true; 714 } 715 } finally { 716 injectRestoreCallingIdentity(ident); 717 } 718 } 719 720 @VisibleForTesting 721 void postToPackageMonitorHandler(Runnable r) { 722 mCallbackHandler.post(r); 723 } 724 725 private class MyPackageMonitor extends PackageMonitor implements ShortcutChangeListener { 726 727 // TODO Simplify with lambdas. 728 729 @Override 730 public void onPackageAdded(String packageName, int uid) { 731 UserHandle user = new UserHandle(getChangingUserId()); 732 final int n = mListeners.beginBroadcast(); 733 try { 734 for (int i = 0; i < n; i++) { 735 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 736 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 737 if (!isEnabledProfileOf(user, cookie.user, "onPackageAdded")) continue; 738 try { 739 listener.onPackageAdded(user, packageName); 740 } catch (RemoteException re) { 741 Slog.d(TAG, "Callback failed ", re); 742 } 743 } 744 } finally { 745 mListeners.finishBroadcast(); 746 } 747 748 super.onPackageAdded(packageName, uid); 749 } 750 751 @Override 752 public void onPackageRemoved(String packageName, int uid) { 753 UserHandle user = new UserHandle(getChangingUserId()); 754 final int n = mListeners.beginBroadcast(); 755 try { 756 for (int i = 0; i < n; i++) { 757 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 758 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 759 if (!isEnabledProfileOf(user, cookie.user, "onPackageRemoved")) continue; 760 try { 761 listener.onPackageRemoved(user, packageName); 762 } catch (RemoteException re) { 763 Slog.d(TAG, "Callback failed ", re); 764 } 765 } 766 } finally { 767 mListeners.finishBroadcast(); 768 } 769 770 super.onPackageRemoved(packageName, uid); 771 } 772 773 @Override 774 public void onPackageModified(String packageName) { 775 UserHandle user = new UserHandle(getChangingUserId()); 776 final int n = mListeners.beginBroadcast(); 777 try { 778 for (int i = 0; i < n; i++) { 779 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 780 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 781 if (!isEnabledProfileOf(user, cookie.user, "onPackageModified")) continue; 782 try { 783 listener.onPackageChanged(user, packageName); 784 } catch (RemoteException re) { 785 Slog.d(TAG, "Callback failed ", re); 786 } 787 } 788 } finally { 789 mListeners.finishBroadcast(); 790 } 791 792 super.onPackageModified(packageName); 793 } 794 795 @Override 796 public void onPackagesAvailable(String[] packages) { 797 UserHandle user = new UserHandle(getChangingUserId()); 798 final int n = mListeners.beginBroadcast(); 799 try { 800 for (int i = 0; i < n; i++) { 801 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 802 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 803 if (!isEnabledProfileOf(user, cookie.user, "onPackagesAvailable")) continue; 804 try { 805 listener.onPackagesAvailable(user, packages, isReplacing()); 806 } catch (RemoteException re) { 807 Slog.d(TAG, "Callback failed ", re); 808 } 809 } 810 } finally { 811 mListeners.finishBroadcast(); 812 } 813 814 super.onPackagesAvailable(packages); 815 } 816 817 @Override 818 public void onPackagesUnavailable(String[] packages) { 819 UserHandle user = new UserHandle(getChangingUserId()); 820 final int n = mListeners.beginBroadcast(); 821 try { 822 for (int i = 0; i < n; i++) { 823 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 824 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 825 if (!isEnabledProfileOf(user, cookie.user, "onPackagesUnavailable")) continue; 826 try { 827 listener.onPackagesUnavailable(user, packages, isReplacing()); 828 } catch (RemoteException re) { 829 Slog.d(TAG, "Callback failed ", re); 830 } 831 } 832 } finally { 833 mListeners.finishBroadcast(); 834 } 835 836 super.onPackagesUnavailable(packages); 837 } 838 839 @Override 840 public void onPackagesSuspended(String[] packages) { 841 UserHandle user = new UserHandle(getChangingUserId()); 842 final int n = mListeners.beginBroadcast(); 843 try { 844 for (int i = 0; i < n; i++) { 845 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 846 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 847 if (!isEnabledProfileOf(user, cookie.user, "onPackagesSuspended")) continue; 848 try { 849 listener.onPackagesSuspended(user, packages); 850 } catch (RemoteException re) { 851 Slog.d(TAG, "Callback failed ", re); 852 } 853 } 854 } finally { 855 mListeners.finishBroadcast(); 856 } 857 858 super.onPackagesSuspended(packages); 859 } 860 861 @Override 862 public void onPackagesUnsuspended(String[] packages) { 863 UserHandle user = new UserHandle(getChangingUserId()); 864 final int n = mListeners.beginBroadcast(); 865 try { 866 for (int i = 0; i < n; i++) { 867 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 868 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 869 if (!isEnabledProfileOf(user, cookie.user, "onPackagesUnsuspended")) continue; 870 try { 871 listener.onPackagesUnsuspended(user, packages); 872 } catch (RemoteException re) { 873 Slog.d(TAG, "Callback failed ", re); 874 } 875 } 876 } finally { 877 mListeners.finishBroadcast(); 878 } 879 880 super.onPackagesUnsuspended(packages); 881 } 882 883 @Override 884 public void onShortcutChanged(@NonNull String packageName, 885 @UserIdInt int userId) { 886 postToPackageMonitorHandler(() -> onShortcutChangedInner(packageName, userId)); 887 } 888 889 private void onShortcutChangedInner(@NonNull String packageName, 890 @UserIdInt int userId) { 891 final int n = mListeners.beginBroadcast(); 892 try { 893 final UserHandle user = UserHandle.of(userId); 894 895 for (int i = 0; i < n; i++) { 896 IOnAppsChangedListener listener = mListeners.getBroadcastItem(i); 897 BroadcastCookie cookie = (BroadcastCookie) mListeners.getBroadcastCookie(i); 898 if (!isEnabledProfileOf(user, cookie.user, "onShortcutChanged")) continue; 899 900 final int launcherUserId = cookie.user.getIdentifier(); 901 902 // Make sure the caller has the permission. 903 if (!mShortcutServiceInternal.hasShortcutHostPermission( 904 launcherUserId, cookie.packageName)) { 905 continue; 906 } 907 // Each launcher has a different set of pinned shortcuts, so we need to do a 908 // query in here. 909 // (As of now, only one launcher has the permission at a time, so it's bit 910 // moot, but we may change the permission model eventually.) 911 final List<ShortcutInfo> list = 912 mShortcutServiceInternal.getShortcuts(launcherUserId, 913 cookie.packageName, 914 /* changedSince= */ 0, packageName, /* shortcutIds=*/ null, 915 /* component= */ null, 916 ShortcutQuery.FLAG_GET_KEY_FIELDS_ONLY 917 | ShortcutQuery.FLAG_GET_ALL_KINDS 918 , userId); 919 try { 920 listener.onShortcutChanged(user, packageName, 921 new ParceledListSlice<>(list)); 922 } catch (RemoteException re) { 923 Slog.d(TAG, "Callback failed ", re); 924 } 925 } 926 } catch (RuntimeException e) { 927 // When the user is locked we get IllegalState, so just catch all. 928 Log.w(TAG, e.getMessage(), e); 929 } finally { 930 mListeners.finishBroadcast(); 931 } 932 } 933 } 934 935 class PackageCallbackList<T extends IInterface> extends RemoteCallbackList<T> { 936 @Override 937 public void onCallbackDied(T callback, Object cookie) { 938 checkCallbackCount(); 939 } 940 } 941 } 942 } 943
