Fix java.lang.SecurityException for ACTION_OPEN_DOCUMENT

app/src/main/java/fr/free/nrw/commons/filepicker/FilePicker.kt

@@ -256,7 +256,9 @@ object FilePicker : Constants {
          *
          */
         val intent = if (openDocumentIntentPreferred) {
-            Intent(Intent.ACTION_OPEN_DOCUMENT)
+            Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+                addCategory(Intent.CATEGORY_OPENABLE)
+            }
         } else {
             Intent(Intent.ACTION_GET_CONTENT)
         }
@@ -271,6 +273,7 @@ object FilePicker : Constants {
         callbacks: Callbacks
     ) {
         if (result.resultCode == Activity.RESULT_OK && !isPhoto(result.data)) {
+            takePersistableUriPermissions(activity, result)
             try {
                 val files = getFilesFromGalleryPictures(result.data, activity)
                 callbacks.onImagesPicked(files, ImageSource.DOCUMENTS, restoreType(activity))
@@ -283,6 +286,23 @@ object FilePicker : Constants {
         }
     }
 
+    /**
+     * takePersistableUriPermission is necessary to persist the URI permission as
+     * the permission granted by the system for read or write access on ACTION_OPEN_DOCUMENT
+     * lasts only until the user's device restarts.
+     * Ref: https://developer.android.com/training/data-storage/shared/documents-files#persist-permissions
+     *
+     * This helps fix the SecurityException reported in this issue:
+     * https://github.com/commons-app/apps-android-commons/issues/6357
+     */
+    private fun takePersistableUriPermissions(context: Context, result: ActivityResult) {
+        result.data?.data?.also { uri ->
+            val takeFlags: Int = (Intent.FLAG_GRANT_READ_URI_PERMISSION
+                    or Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
+            context.contentResolver.takePersistableUriPermission(uri, takeFlags)
+        }
+    }
+
     /**
      * onPictureReturnedFromCustomSelector.
      * Retrieve and forward the images to upload wizard through callback.