From 16f924eef3de6c79f8257f56b60f8812125757d1 Mon Sep 17 00:00:00 2001
From: Abraham Philip <abraham@abraham-Lenovo-G550.(none)>
Date: Fri, 9 Jan 2015 05:07:50 +0530
Subject: [PATCH] fixed crash when file scheme is passed, broadened deletion
 scope

---
 .../ui/dialog/DeleteFileDialogFragment.java   | 39 ++++++++++++++-----
 1 file changed, 30 insertions(+), 9 deletions(-)

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java
index 42e21cd57..0926de1d0 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java
@@ -18,6 +18,7 @@
 package org.sufficientlysecure.keychain.ui.dialog;
 
 import android.app.Dialog;
+import android.content.ContentResolver;
 import android.content.DialogInterface;
 import android.net.Uri;
 import android.os.Build;
@@ -27,9 +28,12 @@ import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentActivity;
 import android.widget.Toast;
 
+import org.apache.http.conn.scheme.Scheme;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.util.FileHelper;
 
+import java.io.File;
+
 public class DeleteFileDialogFragment extends DialogFragment {
     private static final String ARG_DELETE_URI = "delete_uri";
 
@@ -69,21 +73,38 @@ public class DeleteFileDialogFragment extends DialogFragment {
             @Override
             public void onClick(DialogInterface dialog, int id) {
                 dismiss();
+                String scheme = deleteUri.getScheme();
 
-                // We can not securely delete Uris, so just use usual delete on them
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-                    if (DocumentsContract.deleteDocument(getActivity().getContentResolver(), deleteUri)) {
+                if(scheme.equals(ContentResolver.SCHEME_FILE)) {
+                    if(new File(deleteUri.getPath()).delete()) {
+                        Toast.makeText(getActivity(), R.string.file_delete_successful, Toast.LENGTH_SHORT).show();
+                        return;
+                    }
+                }
+                else if(scheme.equals(ContentResolver.SCHEME_CONTENT)) {
+                    // We can not securely delete Uris, so just use usual delete on them
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                        if (DocumentsContract.deleteDocument(getActivity().getContentResolver(), deleteUri)) {
+                            Toast.makeText(getActivity(), R.string.file_delete_successful, Toast.LENGTH_SHORT).show();
+                            return;
+                        }
+                    }
+
+                    if (getActivity().getContentResolver().delete(deleteUri, null, null) > 0) {
+                        Toast.makeText(getActivity(), R.string.file_delete_successful, Toast.LENGTH_SHORT).show();
+                        return;
+                    }
+
+                    // some Uri's a ContentResolver fails to delete is handled by the java.io.File's delete
+                    // via the path of the Uri
+                    if(new File(deleteUri.getPath()).delete()) {
                         Toast.makeText(getActivity(), R.string.file_delete_successful, Toast.LENGTH_SHORT).show();
                         return;
                     }
                 }
 
-                if (getActivity().getContentResolver().delete(deleteUri, null, null) > 0) {
-                    Toast.makeText(getActivity(), R.string.file_delete_successful, Toast.LENGTH_SHORT).show();
-                    return;
-                }
-
-                Toast.makeText(getActivity(), getActivity().getString(R.string.error_file_delete_failed, deleteFilename), Toast.LENGTH_SHORT).show();
+                Toast.makeText(getActivity(), getActivity().getString(R.string.error_file_delete_failed,
+                        deleteFilename), Toast.LENGTH_SHORT).show();
 
                 // Note: We can't delete every file...
                 // If possible we should find out if deletion is possible before even showing the option to do so.