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Merge "Fix the problem that system apps cannot drag"

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This commit is contained in:
Chris Li
2022-09-14 00:34:54 +00:00
committed by Gerrit Code Review
parent 4ed8f88e27 8624560d00
commit 0d6c423cdc
2 changed files with 4 additions and 13 deletions
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11
services/core/java/com/android/server/wm/Session.java
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@@ -322,7 +322,7 @@ class Session extends IWindowSession.Stub implements IBinder.DeathRecipient {
final int callingPid = Binder.getCallingPid();
// Validate and resolve ClipDescription data before clearing the calling identity
validateAndResolveDragMimeTypeExtras(data, callingUid, callingPid, mPackageName);
validateDragFlags(flags, callingUid);
validateDragFlags(flags);
final long ident = Binder.clearCallingIdentity();
try {
return mDragDropController.performDrag(mPid, mUid, window, flags, surface, touchSource,
@@ -347,11 +347,7 @@ class Session extends IWindowSession.Stub implements IBinder.DeathRecipient {
* Validates the given drag flags.
*/
@VisibleForTesting
void validateDragFlags(int flags, int callingUid) {
if (callingUid == Process.SYSTEM_UID) {
throw new IllegalStateException("Need to validate before calling identify is cleared");
}
void validateDragFlags(int flags) {
if ((flags & View.DRAG_FLAG_REQUEST_SURFACE_FOR_RETURN_ANIMATION) != 0) {
if (!mCanStartTasksFromRecents) {
throw new SecurityException("Requires START_TASKS_FROM_RECENTS permission");
@@ -365,9 +361,6 @@ class Session extends IWindowSession.Stub implements IBinder.DeathRecipient {
@VisibleForTesting
void validateAndResolveDragMimeTypeExtras(ClipData data, int callingUid, int callingPid,
String callingPackage) {
if (callingUid == Process.SYSTEM_UID) {
throw new IllegalStateException("Need to validate before calling identify is cleared");
}
final ClipDescription desc = data != null ? data.getDescription() : null;
if (desc == null) {
return;

6
services/tests/wmtests/src/com/android/server/wm/DragDropControllerTests.java
View File

@@ -467,8 +467,7 @@ public class DragDropControllerTests extends WindowTestsBase {
public void onAnimatorScaleChanged(float scale) {}
});
try {
session.validateDragFlags(View.DRAG_FLAG_REQUEST_SURFACE_FOR_RETURN_ANIMATION,
TEST_UID);
session.validateDragFlags(View.DRAG_FLAG_REQUEST_SURFACE_FOR_RETURN_ANIMATION);
fail("Expected failure without permission");
} catch (SecurityException e) {
// Expected failure
@@ -484,8 +483,7 @@ public class DragDropControllerTests extends WindowTestsBase {
public void onAnimatorScaleChanged(float scale) {}
});
try {
session.validateDragFlags(View.DRAG_FLAG_REQUEST_SURFACE_FOR_RETURN_ANIMATION,
TEST_UID);
session.validateDragFlags(View.DRAG_FLAG_REQUEST_SURFACE_FOR_RETURN_ANIMATION);
// Expected pass
} catch (SecurityException e) {
fail("Expected no failure with permission");