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Merge "Fix FileSystemProvider open for external USB files" into sc-dev am: e080255297

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13825906

Change-Id: I1d9809c5038180a2a5229fca3a207042db35995a
This commit is contained in:
Zimuzo Ezeozue
2021-03-16 16:38:10 +00:00
committed by Automerger Merge Worker
parent 748a8edfa1 e080255297
commit 75e9a4a3d1
1 changed files with 10 additions and 3 deletions
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13
core/java/com/android/internal/content/FileSystemProvider.java
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@@ -504,8 +504,10 @@ public abstract class FileSystemProvider extends DocumentsProvider {
final File visibleFile = getFileForDocId(documentId, true);
final int pfdMode = ParcelFileDescriptor.parseMode(mode);
if (pfdMode == ParcelFileDescriptor.MODE_READ_ONLY || visibleFile == null) {
return openFileForRead(file);
if (visibleFile == null) {
return ParcelFileDescriptor.open(file, pfdMode);
} else if (pfdMode == ParcelFileDescriptor.MODE_READ_ONLY) {
return openFileForRead(visibleFile);
} else {
try {
// When finished writing, kick off media scanner
@@ -522,6 +524,10 @@ public abstract class FileSystemProvider extends DocumentsProvider {
private ParcelFileDescriptor openFileForRead(final File target) throws FileNotFoundException {
final Uri uri = MediaStore.scanFile(getContext().getContentResolver(), target);
if (uri == null) {
Log.w(TAG, "Failed to retrieve media store URI for: " + target);
return ParcelFileDescriptor.open(target, ParcelFileDescriptor.MODE_READ_ONLY);
}
// Passing the calling uid via EXTRA_MEDIA_CAPABILITIES_UID, so that the decision to
// transcode or not transcode can be made based upon the calling app's uid, and not based
@@ -532,7 +538,8 @@ public abstract class FileSystemProvider extends DocumentsProvider {
final AssetFileDescriptor afd =
getContext().getContentResolver().openTypedAssetFileDescriptor(uri, "*/*", opts);
if (afd == null) {
return null;
Log.w(TAG, "Failed to open with media_capabilities uid for URI: " + uri);
return ParcelFileDescriptor.open(target, ParcelFileDescriptor.MODE_READ_ONLY);
}
return afd.getParcelFileDescriptor();