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// Copyright 2014 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 REMOTING_HOST_TOKEN_VALIDATOR_BASE_H_
#define REMOTING_HOST_TOKEN_VALIDATOR_BASE_H_
#include <memory>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_context_getter.h"
#include "remoting/host/third_party_auth_config.h"
#include "remoting/protocol/token_validator.h"
#include "url/gurl.h"
namespace net {
class ClientCertStore;
typedef std::vector<scoped_refptr<X509Certificate> > CertificateList;
}
namespace remoting {
class TokenValidatorBase
: public net::URLRequest::Delegate,
public protocol::TokenValidator {
public:
TokenValidatorBase(
const ThirdPartyAuthConfig& third_party_auth_config,
const std::string& token_scope,
scoped_refptr<net::URLRequestContextGetter> request_context_getter);
~TokenValidatorBase() override;
// TokenValidator interface.
void ValidateThirdPartyToken(
const std::string& token,
const base::Callback<void(const std::string& shared_secret)>&
on_token_validated) override;
const GURL& token_url() const override;
const std::string& token_scope() const override;
// URLRequest::Delegate interface.
void OnResponseStarted(net::URLRequest* source, int net_result) override;
void OnReadCompleted(net::URLRequest* source, int net_result) override;
void OnReceivedRedirect(net::URLRequest* request,
const net::RedirectInfo& redirect_info,
bool* defer_redirect) override;
void OnCertificateRequested(
net::URLRequest* source,
net::SSLCertRequestInfo* cert_request_info) override;
protected:
void OnCertificatesSelected(net::CertificateList* selected_certs,
net::ClientCertStore* unused);
virtual void StartValidateRequest(const std::string& token) = 0;
virtual void ContinueWithCertificate(net::X509Certificate* client_cert,
net::SSLPrivateKey* client_private_key);
virtual bool IsValidScope(const std::string& token_scope);
std::string ProcessResponse(int net_result);
// Constructor parameters.
ThirdPartyAuthConfig third_party_auth_config_;
std::string token_scope_;
scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
// URLRequest related fields.
std::unique_ptr<net::URLRequest> request_;
scoped_refptr<net::IOBuffer> buffer_;
std::string data_;
// This is set by OnReceivedRedirect() if the token validation request is
// being re-submitted as a POST request. This can happen if the authentication
// cookie has not yet been set, and a login handler redirection causes the
// POST request to be turned into a GET operation, losing the POST data. In
// this case, an immediate retry (with the same cookie jar) is expected to
// succeeed.
bool retrying_request_ = false;
// Stores the most recently requested token, in case the validation request
// needs to be retried.
std::string token_;
base::Callback<void(const std::string& shared_secret)> on_token_validated_;
base::WeakPtrFactory<TokenValidatorBase> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(TokenValidatorBase);
};
} // namespace remoting
#endif // REMOTING_HOST_TOKEN_VALIDATOR_BASE_H
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