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Merge "Fixing Storage Volume(s) Retrieval." into tm-qpr-dev am: 7527f61d86

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20582336

Change-Id: I951ee4b1ce79fe0159ee2b5dd359b30c981edd6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Himanshu Gupta
2022-12-08 23:56:16 +00:00
committed by Automerger Merge Worker
parent c74bff2151 7527f61d86
commit a061067eb4
1 changed files with 14 additions and 9 deletions
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23
services/core/java/com/android/server/StorageManagerService.java
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@@ -3757,6 +3757,13 @@ class StorageManagerService extends IStorageManager.Stub
final boolean includeSharedProfile =
(flags & StorageManager.FLAG_INCLUDE_SHARED_PROFILE) != 0;
// When the caller is the app actually hosting external storage, we
// should never attempt to augment the actual storage volume state,
// otherwise we risk confusing it with race conditions as users go
// through various unlocked states
final boolean callerIsMediaStore = UserHandle.isSameApp(callingUid,
mMediaStoreAuthorityAppId);
// Only Apps with MANAGE_EXTERNAL_STORAGE should call the API with includeSharedProfile
if (includeSharedProfile) {
try {
@@ -3769,8 +3776,13 @@ class StorageManagerService extends IStorageManager.Stub
// Checking first entry in packagesFromUid is enough as using "sharedUserId"
// mechanism is rare and discouraged. Also, Apps that share same UID share the same
// permissions.
if (!mStorageManagerInternal.hasExternalStorageAccess(callingUid,
packagesFromUid[0])) {
// Allowing Media Provider is an exception, Media Provider process should be allowed
// to query users across profiles, even without MANAGE_EXTERNAL_STORAGE access.
// Note that ordinarily Media provider process has the above permission, but if they
// are revoked, Storage Volume(s) should still be returned.
if (!callerIsMediaStore
&& !mStorageManagerInternal.hasExternalStorageAccess(callingUid,
packagesFromUid[0])) {
throw new SecurityException("Only File Manager Apps permitted");
}
} catch (RemoteException re) {
@@ -3783,13 +3795,6 @@ class StorageManagerService extends IStorageManager.Stub
// point
final boolean systemUserUnlocked = isSystemUnlocked(UserHandle.USER_SYSTEM);
// When the caller is the app actually hosting external storage, we
// should never attempt to augment the actual storage volume state,
// otherwise we risk confusing it with race conditions as users go
// through various unlocked states
final boolean callerIsMediaStore = UserHandle.isSameApp(callingUid,
mMediaStoreAuthorityAppId);
final boolean userIsDemo;
final boolean userKeyUnlocked;
final boolean storagePermission;