Initial implementation of Cookie service.

content/common/cookie_service_impl.h

+// Copyright 2017 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 CONTENT_COMMON_COOKIE_SERVICE_IMPL_H_
+#define CONTENT_COMMON_COOKIE_SERVICE_IMPL_H_
+
+#include <string>
+
+#include "content/common/content_export.h"
+#include "content/common/cookie.mojom.h"
+#include "mojo/public/cpp/bindings/binding_set.h"
+#include "net/cookies/cookie_store.h"
+
+class GURL;
+
+namespace content {
+
+// Wrap a cookie store in an implementation of the mojo cookie interface.
+
+// This is an IO thread object; all methods on this object must be called on
+// the IO thread.  Note that this does not restrict the locations from which
+// mojo messages may be sent to the object.
+class CONTENT_EXPORT CookieServiceImpl : public content::mojom::CookieService {
+ public:
+  // Construct a CookieService that can serve mojo requests for the underlying
+  // cookie store.  |*cookie_store| must outlive this object.
+  CookieServiceImpl(net::CookieStore* cookie_store);
+
+  ~CookieServiceImpl() override;
+
+  // Bind a cookie request pointer to this object.  Mojo messages
+  // coming through the associated pipe will be served by this object.
+  void AddRequest(content::mojom::CookieServiceRequest request);
+
+  // TODO(rdsmith): Add a verion of AddRequest that does renderer-appropriate
+  // security checks on bindings coming through that interface.
+
+ private:
+  // content::mojom::Cookies
+  void GetAllCookies(GetAllCookiesCallback callback) override;
+  void GetCookieList(const GURL& url,
+                     const net::CookieOptions& cookie_options,
+                     GetCookieListCallback callback) override;
+  void SetCanonicalCookie(const net::CanonicalCookie& cookie,
+                          bool secure_source,
+                          bool modify_http_only,
+                          SetCanonicalCookieCallback callback) override;
+  void DeleteCookies(content::mojom::CookieDeletionFilterPtr filter,
+                     DeleteCookiesCallback callback) override;
+  void RequestNotification(const GURL& url,
+                           const std::string& name,
+                           RequestNotificationCallback callback) override;
+  void CloneInterface(
+      content::mojom::CookieServiceRequest new_interface) override;
+
+ private:
+  struct NotificationRegistration {
+    ~NotificationRegistration();
+
+    // Owns the callback registration in the store.
+    std::unique_ptr<net::CookieStore::CookieChangedSubscription> subscription;
+
+    // Pointer on which to send notifications.
+    mojom::CookieChangeNotificationPtr notification_pointer;
+
+    DISALLOW_COPY_AND_ASSIGN(NotificationRegistration);
+  };
+
+  // Used to hook callbacks
+  void CookieChanged(NotificationRegistration* registration,
+                     const net::CanonicalCookie& cookie,
+                     net::CookieStore::ChangeCause cause);
+
+  // Handles connection errors on notification pipes.
+  void NotificationPipeBroken(NotificationRegistration* registration);
+
+  net::CookieStore* cookie_store_;
+  mojo::BindingSet<content::mojom::CookieService> bindings_;
+  std::vector<std::unique_ptr<NotificationRegistration>>
+      notifications_registered_;
+
+  DISALLOW_COPY_AND_ASSIGN(CookieServiceImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_COOKIE_SERVICE_IMPL_H_