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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 COMPONENTS_CRYPTAUTH_CRYPTAUTH_API_CALL_FLOW_H_
#define COMPONENTS_CRYPTAUTH_CRYPTAUTH_API_CALL_FLOW_H_
#include <string>
#include "base/callback.h"
#include "base/macros.h"
#include "google_apis/gaia/oauth2_api_call_flow.h"
namespace cryptauth {
// Google API call flow implementation underlying all CryptAuth API calls.
// CryptAuth is a Google service that manages authorization and cryptographic
// credentials for users' devices (eg. public keys).
class CryptAuthApiCallFlow : public OAuth2ApiCallFlow {
public:
typedef base::Callback<void(const std::string& serialized_response)>
ResultCallback;
typedef base::Callback<void(const std::string& error_message)> ErrorCallback;
CryptAuthApiCallFlow();
~CryptAuthApiCallFlow() override;
// Starts the API call.
// request_url: The URL endpoint of the API request.
// context: The URL context used to make the request.
// access_token: The access token for whom to make the to make the request.
// serialized_request: A serialized proto containing the request data.
// result_callback: Called when the flow completes successfully with a
// serialized response proto.
// error_callback: Called when the flow completes with an error.
virtual void Start(const GURL& request_url,
net::URLRequestContextGetter* context,
const std::string& access_token,
const std::string& serialized_request,
const ResultCallback& result_callback,
const ErrorCallback& error_callback);
protected:
// Reduce the visibility of OAuth2ApiCallFlow::Start() to avoid exposing
// overloaded methods.
using OAuth2ApiCallFlow::Start;
// google_apis::OAuth2ApiCallFlow:
GURL CreateApiCallUrl() override;
std::string CreateApiCallBody() override;
std::string CreateApiCallBodyContentType() override;
net::URLFetcher::RequestType GetRequestTypeForBody(
const std::string& body) override;
void ProcessApiCallSuccess(const net::URLFetcher* source) override;
void ProcessApiCallFailure(const net::URLFetcher* source) override;
private:
// The URL of the CryptAuth endpoint serving the request.
GURL request_url_;
// Serialized request message proto that will be sent in the API request.
std::string serialized_request_;
// Callback invoked with the serialized response message proto when the flow
// completes successfully.
ResultCallback result_callback_;
// Callback invoked with an error message when the flow fails.
ErrorCallback error_callback_;
DISALLOW_COPY_AND_ASSIGN(CryptAuthApiCallFlow);
};
} // namespace cryptauth
#endif // COMPONENTS_CRYPTAUTH_CRYPTAUTH_API_CALL_FLOW_H_
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