services/network/cookie_access_delegate_impl.h

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SERVICES_NETWORK_COOKIE_ACCESS_DELEGATE_IMPL_H_
#define SERVICES_NETWORK_COOKIE_ACCESS_DELEGATE_IMPL_H_

#include "base/component_export.h"
#include "net/cookies/cookie_access_delegate.h"
#include "services/network/cookie_settings.h"
#include "services/network/public/mojom/cookie_manager.mojom.h"
#include "url/gurl.h"

namespace net {
class CanonicalCookie;
class SchemefulSite;
}  // namespace net

namespace network {

class FirstPartySets;

// This class acts as a delegate for the CookieStore to query the
// CookieManager's CookieSettings for instructions on how to handle a given
// cookie with respect to SameSite, and to apply developer preferences on
// trusted sites for purpose of secure cookies.
class COMPONENT_EXPORT(NETWORK_SERVICE) CookieAccessDelegateImpl
    : public net::CookieAccessDelegate {
 public:
  // If |type| is USE_CONTENT_SETTINGS, a non-null |cookie_settings| is
  // expected. |cookie_settings| contains the set of content settings that
  // describes which cookies should be subject to legacy access rules.
  // If non-null, |cookie_settings| is expected to outlive this class. If
  // non-null, `first_party_sets` must outlive `this`.
  CookieAccessDelegateImpl(mojom::CookieAccessDelegateType type,
                           const FirstPartySets* first_party_sets,
                           const CookieSettings* cookie_settings = nullptr);

  ~CookieAccessDelegateImpl() override;

  // net::CookieAccessDelegate implementation:
  bool ShouldTreatUrlAsTrustworthy(const GURL& url) const override;
  net::CookieAccessSemantics GetAccessSemantics(
      const net::CanonicalCookie& cookie) const override;
  bool ShouldIgnoreSameSiteRestrictions(
      const GURL& url,
      const net::SiteForCookies& site_for_cookies) const override;
  bool IsContextSamePartyWithSite(
      const net::SchemefulSite& site,
      const net::SchemefulSite& top_frame_site,
      const std::set<net::SchemefulSite>& party_context) const override;
  bool IsInNontrivialFirstPartySet(
      const net::SchemefulSite& site) const override;
  base::flat_map<net::SchemefulSite, std::set<net::SchemefulSite>>
  RetrieveFirstPartySets() const override;

 private:
  const mojom::CookieAccessDelegateType type_;
  const CookieSettings* const cookie_settings_;
  const FirstPartySets* const first_party_sets_;
};

}  // namespace network

#endif  // SERVICES_NETWORK_COOKIE_ACCESS_DELEGATE_IMPL_H_