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feat: stop unwanted apps from accessing SAF #275

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feat: stop unwanted apps from accessing SAF #275

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11 changes: 9 additions & 2 deletions app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/scoped/FolderProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@
* - <a href="http://developer.android.com/guide/topics/providers/document-provider.html#43">...</a>
*/
public class FolderProvider extends DocumentsProvider {
private static final List<String> BLOCKED_PACKAGES = List.of("com.dnamobile.modlymodmanager");

private static final String ALL_MIME_TYPES = "*/*";

Expand Down Expand Up @@ -101,6 +102,8 @@ public Cursor queryRoots(String[] projection) {

@Override
public Cursor queryDocument(String documentId, String[] projection) throws FileNotFoundException {
if(BLOCKED_PACKAGES.contains(getCallingPackage()))
throw new RuntimeException("Unsupported package caller!");
final MatrixCursor result = new MatrixCursor(projection != null ? projection : DEFAULT_DOCUMENT_PROJECTION);
// Future-proofing in case if we implement realtime file watching
result.setNotificationUri(mContentResolver, createUriForDocId(documentId));
Expand All @@ -110,6 +113,8 @@ public Cursor queryDocument(String documentId, String[] projection) throws FileN

@Override
public Cursor queryChildDocuments(String parentDocumentId, String[] projection, String sortOrder) throws FileNotFoundException {
if(BLOCKED_PACKAGES.contains(getCallingPackage()))
throw new RuntimeException("Unsupported package caller!");
final MatrixCursor result = new MatrixCursor(projection != null ? projection : DEFAULT_DOCUMENT_PROJECTION);
final File parent = getFileForDocId(parentDocumentId);
final File[] children = parent.listFiles();
Expand Down Expand Up @@ -138,9 +143,9 @@ public AssetFileDescriptor openDocumentThumbnail(String documentId, Point sizeHi

@Override
public boolean onCreate() {
if(Tools.checkStorageRoot(getContext())) {
if (Tools.checkStorageRoot(getContext())) {
Tools.initStorageConstants(getContext());
}else {
} else {
return false;
}
BASE_DIR = new File(Tools.DIR_GAME_HOME);
Expand All @@ -151,6 +156,8 @@ public boolean onCreate() {

@Override
public String createDocument(String parentDocumentId, String mimeType, String displayName) throws FileNotFoundException {
if(BLOCKED_PACKAGES.contains(getCallingPackage()))
throw new RuntimeException("Unsupported package caller!");
File newFile = new File(parentDocumentId, displayName);
int noConflictId = 2;
while (newFile.exists()) {
Expand Down