From c94646177cbc86b07e9572ea88ab94ae8c235375 Mon Sep 17 00:00:00 2001
From: Diksha Gohlyan <dikshag@google.com>
Date: Wed, 1 Apr 2020 12:37:04 -0700
Subject: [PATCH] Check Read permissions when getDocumentMetadata

Test: manually tested
Bug: 151095863

Change-Id: I4f04f08f76d039196c2c67bac80d4a46ebec87f2
(cherry picked from commit 0e7580995549134aa765bf7b891c0ede73d9f0d0)
---
 core/java/android/provider/DocumentsProvider.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/java/android/provider/DocumentsProvider.java b/core/java/android/provider/DocumentsProvider.java
index 0e782d7528159..5be71e3173dce 100644
--- a/core/java/android/provider/DocumentsProvider.java
+++ b/core/java/android/provider/DocumentsProvider.java
@@ -1144,6 +1144,8 @@ public abstract class DocumentsProvider extends ContentProvider {
 
             out.putParcelable(DocumentsContract.EXTRA_RESULT, path);
         } else if (METHOD_GET_DOCUMENT_METADATA.equals(method)) {
+            enforceReadPermissionInner(documentUri, getCallingPackage(),
+                    getCallingAttributionTag(), null);
             return getDocumentMetadata(documentId);
         } else {
             throw new UnsupportedOperationException("Method not supported " + method);