components/password_manager/content/renderer/credential_manager_client.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_PASSWORD_MANAGER_CONTENT_RENDERER_CREDENTIAL_MANAGER_CLIENT_H_
   6 #define COMPONENTS_PASSWORD_MANAGER_CONTENT_RENDERER_CREDENTIAL_MANAGER_CLIENT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/id_map.h"
  11 #include "content/public/renderer/render_view_observer.h"
  12 #include "ipc/ipc_listener.h"
  13 #include "third_party/WebKit/public/platform/WebCredentialManagerClient.h"
  14 #include "third_party/WebKit/public/platform/WebCredentialManagerError.h"
  15 #include "third_party/WebKit/public/platform/WebVector.h"
  16
  17 namespace blink {
  18 class WebCredential;
  19 class WebURL;
  20 }
  21
  22 namespace content {
  23 class RenderView;
  24 }
  25
  26 namespace password_manager {
  27
  28 struct CredentialInfo;
  29
  30 // The CredentialManagerClient implements the Blink platform interface
  31 // WebCredentialManagerClient, and acts as an intermediary between Blink-side
  32 // calls to 'navigator.credential.*' and the password manager internals which
  33 // live in the browser process.
  34 //
  35 // One instance of CredentialManagerClient is created per RenderThread,
  36 // held in a scoped_ptr on ChromeContentRendererClient. The client holds
  37 // a raw pointer to the RenderThread on which it lives, and uses that pointer
  38 // to send messages to the browser process, and to route responses to itself.
  39 //
  40 // When the render thread is shut down (or the client is destructed), the
  41 // routing is removed, the pointer is cleared, and any pending responses are
  42 // rejected.
  43 //
  44 // Note that each RenderView's WebView holds a pointer to the
  45 // CredentialManagerClient (set in 'OnRenderViewCreated()'). The client is
  46 // guaranteed to outlive the views that point to it.
  47 class CredentialManagerClient : public blink::WebCredentialManagerClient,
  48                                 public content::RenderViewObserver {
  49  public:
  50   explicit CredentialManagerClient(content::RenderView* render_view);
  51   ~CredentialManagerClient() override;
  52
  53   // RenderViewObserver:
  54   bool OnMessageReceived(const IPC::Message& message) override;
  55
  56   // Message handlers for messages from the browser process:
  57   virtual void OnAcknowledgeStore(int request_id);
  58   virtual void OnAcknowledgeRequireUserMediation(int request_id);
  59   virtual void OnSendCredential(int request_id,
  60                                 const CredentialInfo& credential_info);
  61   virtual void OnRejectCredentialRequest(
  62       int request_id,
  63       blink::WebCredentialManagerError::ErrorType error_type);
  64
  65   // blink::WebCredentialManager:
  66   virtual void dispatchStore(
  67       const blink::WebCredential& credential,
  68       WebCredentialManagerClient::NotificationCallbacks* callbacks);
  69   virtual void dispatchRequireUserMediation(NotificationCallbacks* callbacks);
  70   virtual void dispatchGet(bool zero_click_only,
  71                            const blink::WebVector<blink::WebURL>& federations,
  72                            RequestCallbacks* callbacks);
  73
  74  private:
  75   typedef IDMap<blink::WebCredentialManagerClient::RequestCallbacks,
  76                 IDMapOwnPointer> RequestCallbacksMap;
  77   typedef IDMap<blink::WebCredentialManagerClient::NotificationCallbacks,
  78                 IDMapOwnPointer> NotificationCallbacksMap;
  79
  80   void RespondToNotificationCallback(int request_id,
  81                                      NotificationCallbacksMap* map);
  82
  83   // Track the various blink::WebCredentialManagerClient::*Callbacks objects
  84   // generated from Blink. This class takes ownership of these objects.
  85   NotificationCallbacksMap failed_sign_in_callbacks_;
  86   NotificationCallbacksMap store_callbacks_;
  87   NotificationCallbacksMap require_user_mediation_callbacks_;
  88   RequestCallbacksMap get_callbacks_;
  89
  90   DISALLOW_COPY_AND_ASSIGN(CredentialManagerClient);
  91 };
  92
  93 }  // namespace password_manager
  94
  95 #endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_RENDERER_CREDENTIAL_MANAGER_CLIENT_H_