remoting/host/token_validator_base.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 REMOTING_HOST_TOKEN_VALIDATOR_BASE_H_
   6 #define REMOTING_HOST_TOKEN_VALIDATOR_BASE_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "net/url_request/url_request.h"
  11 #include "net/url_request/url_request_context_getter.h"
  12 #include "remoting/protocol/token_validator.h"
  13 #include "url/gurl.h"
  14
  15 namespace net {
  16 class ClientCertStore;
  17 typedef std::vector<scoped_refptr<X509Certificate> > CertificateList;
  18 }
  19
  20 namespace remoting {
  21
  22 struct ThirdPartyAuthConfig {
  23   inline bool is_empty() const {
  24     return token_url.is_empty() && token_validation_url.is_empty();
  25   }
  26
  27   inline bool is_valid() const {
  28     return token_url.is_valid() && token_validation_url.is_valid();
  29   }
  30
  31   GURL token_url;
  32   GURL token_validation_url;
  33   std::string token_validation_cert_issuer;
  34 };
  35
  36 class TokenValidatorBase
  37     : public net::URLRequest::Delegate,
  38       public protocol::TokenValidator {
  39  public:
  40   TokenValidatorBase(
  41       const ThirdPartyAuthConfig& third_party_auth_config,
  42       const std::string& token_scope,
  43       scoped_refptr<net::URLRequestContextGetter> request_context_getter);
  44   ~TokenValidatorBase() override;
  45
  46   // TokenValidator interface.
  47   void ValidateThirdPartyToken(
  48       const std::string& token,
  49       const base::Callback<void(const std::string& shared_secret)>&
  50           on_token_validated) override;
  51
  52   const GURL& token_url() const override;
  53   const std::string& token_scope() const override;
  54
  55   // URLRequest::Delegate interface.
  56   void OnResponseStarted(net::URLRequest* source) override;
  57   void OnReadCompleted(net::URLRequest* source, int bytes_read) override;
  58   void OnCertificateRequested(
  59       net::URLRequest* source,
  60       net::SSLCertRequestInfo* cert_request_info) override;
  61
  62  protected:
  63   void OnCertificatesSelected(net::CertificateList* selected_certs,
  64                               net::ClientCertStore* unused);
  65
  66   virtual void StartValidateRequest(const std::string& token) = 0;
  67   virtual bool IsValidScope(const std::string& token_scope);
  68   std::string ProcessResponse();
  69
  70   // Constructor parameters.
  71   ThirdPartyAuthConfig third_party_auth_config_;
  72   std::string token_scope_;
  73   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
  74
  75   // URLRequest related fields.
  76   scoped_ptr<net::URLRequest> request_;
  77   scoped_refptr<net::IOBuffer> buffer_;
  78   std::string data_;
  79
  80   base::Callback<void(const std::string& shared_secret)> on_token_validated_;
  81
  82   base::WeakPtrFactory<TokenValidatorBase> weak_factory_;
  83
  84   DISALLOW_COPY_AND_ASSIGN(TokenValidatorBase);
  85 };
  86
  87 }  // namespace remoting
  88
  89 #endif  // REMOTING_HOST_TOKEN_VALIDATOR_BASE_H