extensions/shell/browser/api/identity/identity_api.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 EXTENSIONS_SHELL_BROWSER_API_IDENTITY_IDENTITY_API_H_
   6 #define EXTENSIONS_SHELL_BROWSER_API_IDENTITY_IDENTITY_API_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "extensions/browser/browser_context_keyed_api_factory.h"
  12 #include "extensions/browser/extension_function.h"
  13 #include "google_apis/gaia/oauth2_mint_token_flow.h"
  14 #include "google_apis/gaia/oauth2_token_service.h"
  15
  16 namespace extensions {
  17 namespace shell {
  18
  19 // Storage for data used across identity function invocations.
  20 class IdentityAPI : public BrowserContextKeyedAPI {
  21  public:
  22   explicit IdentityAPI(content::BrowserContext* context);
  23   ~IdentityAPI() override;
  24
  25   static IdentityAPI* Get(content::BrowserContext* context);
  26
  27   const std::string& device_id() const { return device_id_; }
  28
  29   // BrowserContextKeyedAPI:
  30   static BrowserContextKeyedAPIFactory<IdentityAPI>* GetFactoryInstance();
  31   static const char* service_name() { return "IdentityAPI"; }
  32
  33  private:
  34   friend class BrowserContextKeyedAPIFactory<IdentityAPI>;
  35
  36   // A GUID identifying this device.
  37   // TODO(jamescook): Make this GUID stable across runs of the app, perhaps by
  38   // storing it in a pref.
  39   const std::string device_id_;
  40 };
  41
  42 // Returns an OAuth2 access token for a user. See the IDL file for
  43 // documentation.
  44 class IdentityGetAuthTokenFunction : public UIThreadExtensionFunction,
  45                                      public OAuth2TokenService::Consumer,
  46                                      public OAuth2MintTokenFlow::Delegate {
  47  public:
  48   DECLARE_EXTENSION_FUNCTION("identity.getAuthToken", UNKNOWN);
  49
  50   IdentityGetAuthTokenFunction();
  51
  52   // Takes ownership.
  53   void SetMintTokenFlowForTesting(OAuth2MintTokenFlow* flow);
  54
  55  protected:
  56   ~IdentityGetAuthTokenFunction() override;
  57
  58   // ExtensionFunction:
  59   ResponseAction Run() override;
  60
  61   // OAuth2TokenService::Consumer:
  62   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
  63                          const std::string& access_token,
  64                          const base::Time& expiration_time) override;
  65   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
  66                          const GoogleServiceAuthError& error) override;
  67
  68   // OAuth2MintTokenFlow::Delegate:
  69   void OnMintTokenSuccess(const std::string& access_token,
  70                           int time_to_live) override;
  71   void OnIssueAdviceSuccess(const IssueAdviceInfo& issue_advice) override;
  72   void OnMintTokenFailure(const GoogleServiceAuthError& error) override;
  73
  74  private:
  75   // A pending token fetch request to get a login-scoped access token for the
  76   // current user for the Chrome project id.
  77   scoped_ptr<OAuth2TokenService::Request> access_token_request_;
  78
  79   // A request for an access token for the current app and its scopes.
  80   scoped_ptr<OAuth2MintTokenFlow> mint_token_flow_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(IdentityGetAuthTokenFunction);
  83 };
  84
  85 // Stub. See the IDL file for documentation.
  86 class IdentityRemoveCachedAuthTokenFunction : public UIThreadExtensionFunction {
  87  public:
  88   DECLARE_EXTENSION_FUNCTION("identity.removeCachedAuthToken", UNKNOWN)
  89
  90   IdentityRemoveCachedAuthTokenFunction();
  91
  92  protected:
  93   ~IdentityRemoveCachedAuthTokenFunction() override;
  94
  95   // ExtensionFunction:
  96   ResponseAction Run() override;
  97
  98  private:
  99   DISALLOW_COPY_AND_ASSIGN(IdentityRemoveCachedAuthTokenFunction);
 100 };
 101
 102 }  // namespace shell
 103 }  // namespace extensions
 104
 105 #endif  // EXTENSIONS_SHELL_BROWSER_API_IDENTITY_IDENTITY_API_H_