1 files changed, 100 insertions, 0 deletions
diff --git a/chromium/chrome/browser/signin/chrome_signin_proxying_url_loader_factory.h b/chromium/chrome/browser/signin/chrome_signin_proxying_url_loader_factory.h
new file mode 100644
index 00000000000..28589803472
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+++ b/chromium/chrome/browser/signin/chrome_signin_proxying_url_loader_factory.h
@@ -0,0 +1,100 @@
+// Copyright 2018 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 CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_PROXYING_URL_LOADER_FACTORY_H_
+#define CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_PROXYING_URL_LOADER_FACTORY_H_
+
+#include "base/callback.h"
+#include "base/containers/unique_ptr_adapters.h"
+#include "base/memory/ref_counted_delete_on_sequence.h"
+#include "content/public/browser/web_contents.h"
+#include "mojo/public/cpp/bindings/pending_receiver.h"
+#include "mojo/public/cpp/bindings/pending_remote.h"
+#include "mojo/public/cpp/bindings/receiver_set.h"
+#include "mojo/public/cpp/bindings/remote.h"
+#include "services/network/public/mojom/url_loader_factory.mojom.h"
+
+#include <memory>
+#include <set>
+
+namespace content {
+class RenderFrameHost;
+}
+
+namespace signin {
+
+class HeaderModificationDelegate;
+
+// This class is used to modify sub-resource requests made by the renderer
+// that is displaying the GAIA signin realm, to the GAIA signin realm. When
+// such a request is made a proxy is inserted between the renderer and the
+// Network Service to modify request and response headers.
+class ProxyingURLLoaderFactory : public network::mojom::URLLoaderFactory {
+ public:
+  using DisconnectCallback =
+      base::OnceCallback<void(ProxyingURLLoaderFactory*)>;
+
+  // Constructor public for testing purposes. New instances should be created
+  // by calling MaybeProxyRequest().
+  ProxyingURLLoaderFactory(
+      std::unique_ptr<HeaderModificationDelegate> delegate,
+      content::WebContents::Getter web_contents_getter,
+      mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver,
+      mojo::PendingRemote<network::mojom::URLLoaderFactory> target_factory,
+      DisconnectCallback on_disconnect);
+
+  ProxyingURLLoaderFactory(const ProxyingURLLoaderFactory&) = delete;
+  ProxyingURLLoaderFactory& operator=(const ProxyingURLLoaderFactory&) = delete;
+
+  ~ProxyingURLLoaderFactory() override;
+
+  // Called when a renderer needs a URLLoaderFactory to give this module the
+  // opportunity to install a proxy. This is only done when
+  // https://accounts.google.com is loaded in non-incognito mode. Returns true
+  // when |factory_request| has been proxied.
+  static bool MaybeProxyRequest(
+      content::RenderFrameHost* render_frame_host,
+      bool is_navigation,
+      const url::Origin& request_initiator,
+      mojo::PendingReceiver<network::mojom::URLLoaderFactory>*
+          factory_receiver);
+
+  // network::mojom::URLLoaderFactory:
+  void CreateLoaderAndStart(
+      mojo::PendingReceiver<network::mojom::URLLoader> loader_receiver,
+      int32_t request_id,
+      uint32_t options,
+      const network::ResourceRequest& request,
+      mojo::PendingRemote<network::mojom::URLLoaderClient> client,
+      const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
+      override;
+  void Clone(mojo::PendingReceiver<network::mojom::URLLoaderFactory>
+                 loader_receiver) override;
+
+ private:
+  friend class base::DeleteHelper<ProxyingURLLoaderFactory>;
+  friend class base::RefCountedDeleteOnSequence<ProxyingURLLoaderFactory>;
+
+  class InProgressRequest;
+  class ProxyRequestAdapter;
+  class ProxyResponseAdapter;
+
+  void OnTargetFactoryError();
+  void OnProxyBindingError();
+  void RemoveRequest(InProgressRequest* request);
+  void MaybeDestroySelf();
+
+  std::unique_ptr<HeaderModificationDelegate> delegate_;
+  content::WebContents::Getter web_contents_getter_;
+
+  mojo::ReceiverSet<network::mojom::URLLoaderFactory> proxy_receivers_;
+  std::set<std::unique_ptr<InProgressRequest>, base::UniquePtrComparator>
+      requests_;
+  mojo::Remote<network::mojom::URLLoaderFactory> target_factory_;
+  DisconnectCallback on_disconnect_;
+};
+
+}  // namespace signin
+
+#endif  // CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_PROXYING_URL_LOADER_FACTORY_H_