Fix disclosure of package existence info by the createProjection api
Bug: 243792935
Test: Run the PoC app manually
Change-Id: I2a4defab5c6d3de1bdb26eef74ccb139f0a75ce3
diff --git a/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java b/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
index 25efe0c..77b9abe 100644
--- a/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
+++ b/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
@@ -287,19 +287,16 @@
if (packageName == null || packageName.isEmpty()) {
throw new IllegalArgumentException("package name must not be empty");
}
-
- final UserHandle callingUser = Binder.getCallingUserHandle();
- final long callingToken = Binder.clearCallingIdentity();
+ final ApplicationInfo ai;
+ try {
+ ai = mPackageManager.getApplicationInfo(packageName, 0);
+ } catch (NameNotFoundException e) {
+ throw new IllegalArgumentException("No package matching :" + packageName);
+ }
MediaProjection projection;
+ final long callingToken = Binder.clearCallingIdentity();
try {
- ApplicationInfo ai;
- try {
- ai = mPackageManager.getApplicationInfoAsUser(packageName, 0, callingUser);
- } catch (NameNotFoundException e) {
- throw new IllegalArgumentException("No package matching :" + packageName);
- }
-
projection = new MediaProjection(type, uid, packageName, ai.targetSdkVersion,
ai.isPrivilegedApp());
if (isPermanentGrant) {