third_party/blink/common/storage_key/storage_key_mojom_traits.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/public/common/storage_key/storage_key_mojom_traits.h"

#include "base/types/optional_util.h"
#include "base/unguessable_token.h"
#include "mojo/public/cpp/base/unguessable_token_mojom_traits.h"
#include "net/base/schemeful_site.h"
#include "services/network/public/cpp/schemeful_site_mojom_traits.h"
#include "third_party/blink/public/mojom/storage_key/ancestor_chain_bit.mojom.h"
#include "url/mojom/origin_mojom_traits.h"
#include "url/origin.h"

namespace mojo {

// static
bool StructTraits<blink::mojom::StorageKeyDataView, blink::StorageKey>::Read(
    blink::mojom::StorageKeyDataView data,
    blink::StorageKey* out) {
  url::Origin origin;
  if (!data.ReadOrigin(&origin)) {
    return false;
  }

  net::SchemefulSite top_level_site;
  if (!data.ReadTopLevelSite(&top_level_site)) {
    return false;
  }

  std::optional<base::UnguessableToken> nonce;
  if (!data.ReadNonce(&nonce)) {
    return false;
  }

  blink::mojom::AncestorChainBit ancestor_chain_bit;
  if (!data.ReadAncestorChainBit(&ancestor_chain_bit)) {
    return false;
  }

  net::SchemefulSite top_level_site_if_third_party_enabled;
  if (!data.ReadTopLevelSiteIfThirdPartyEnabled(
          &top_level_site_if_third_party_enabled)) {
    return false;
  }

  blink::mojom::AncestorChainBit ancestor_chain_bit_if_third_party_enabled;
  if (!data.ReadAncestorChainBitIfThirdPartyEnabled(
          &ancestor_chain_bit_if_third_party_enabled)) {
    return false;
  }

  return blink::StorageKey::FromWire(
      origin, top_level_site, top_level_site_if_third_party_enabled, nonce,
      ancestor_chain_bit, ancestor_chain_bit_if_third_party_enabled, *out);
}

}  // namespace mojo