| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "mojo/public/cpp/base/unguessable_token_mojom_traits.h" |
| |
| namespace mojo { |
| |
| // static |
| bool StructTraits<mojo_base::mojom::UnguessableTokenDataView, |
| base::UnguessableToken>:: |
| Read(mojo_base::mojom::UnguessableTokenDataView data, |
| base::UnguessableToken* out) { |
| uint64_t high = data.high(); |
| uint64_t low = data.low(); |
| |
| // This is not mapped as nullable_is_same_type, so any UnguessableToken |
| // deserialized by the traits should always yield a non-empty token. |
| // If deserialization results in an empty token, the data is malformed. |
| absl::optional<base::UnguessableToken> token = |
| base::UnguessableToken::Deserialize(high, low); |
| if (!token.has_value()) { |
| return false; |
| } |
| *out = token.value(); |
| return true; |
| } |
| |
| } // namespace mojo |