1 files changed, 52 insertions, 0 deletions
diff --git a/widget/android/Base64UtilsSupport.h b/widget/android/Base64UtilsSupport.h
new file mode 100644
index 0000000000..8ac4347aaa
--- /dev/null
+++ b/widget/android/Base64UtilsSupport.h
@@ -0,0 +1,52 @@
+/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef Base64UtilsSupport_h__
+#define Base64UtilsSupport_h__
+
+#include "mozilla/Base64.h"
+#include "mozilla/java/Base64UtilsNatives.h"
+
+namespace mozilla {
+namespace widget {
+
+class Base64UtilsSupport final
+    : public java::Base64Utils::Natives<Base64UtilsSupport> {
+ public:
+  static jni::ByteArray::LocalRef Decode(jni::String::Param data) {
+    if (!data) {
+      return nullptr;
+    }
+
+    FallibleTArray<uint8_t> bytes;
+    if (NS_FAILED(Base64URLDecode(
+            data->ToCString(), Base64URLDecodePaddingPolicy::Ignore, bytes))) {
+      return nullptr;
+    }
+
+    return jni::ByteArray::New((const signed char*)bytes.Elements(),
+                               bytes.Length());
+  }
+
+  static jni::String::LocalRef Encode(jni::ByteArray::Param data) {
+    if (!data) {
+      return nullptr;
+    }
+
+    nsTArray<int8_t> bytes = data->GetElements();
+    nsCString result;
+    if (NS_FAILED(
+            Base64URLEncode(data->Length(), (const uint8_t*)bytes.Elements(),
+                            Base64URLEncodePaddingPolicy::Omit, result))) {
+      return nullptr;
+    }
+    return jni::StringParam(result);
+  }
+};
+
+}  // namespace widget
+}  // namespace mozilla
+
+#endif  // Base64UtilsSupport_h__