HttpPost.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#ifndef ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_HTTPPOST_H_
#define ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_HTTPPOST_H_

#include <chrono>
#include <curl/curl.h>
#include <iostream>
#include <memory>
#include <mutex>
#include <string>

#include "AVSCommon/Utils/LibcurlUtils/CurlEasyHandleWrapper.h"
#include "AVSCommon/Utils/LibcurlUtils/HttpPostInterface.h"

namespace alexaClientSDK {
namespace avsCommon {
namespace utils {
namespace libcurlUtils {

class HttpPost : public HttpPostInterface {
public:
    static std::unique_ptr<HttpPostInterface> createHttpPostInterface();

    static std::unique_ptr<HttpPost> create();

    ~HttpPost() = default;

    HttpPost(const HttpPost& rhs) = delete;

    HttpPost& operator=(const HttpPost& rhs) = delete;

    long doPost(const std::string& url, const std::string& data, std::chrono::seconds timeout, std::string& body)
        override;

    HTTPResponse doPost(
        const std::string& url,
        const std::vector<std::string> headerLines,
        const std::vector<std::pair<std::string, std::string>>& data,
        std::chrono::seconds timeout) override;

    HTTPResponse doPost(
        const std::string& url,
        const std::vector<std::string> headerLines,
        const std::string& data,
        std::chrono::seconds timeout) override;

private:
    HttpPost() = default;

    HTTPResponse doPostInternal(
        CurlEasyHandleWrapper& curl,
        const std::string& url,
        const std::vector<std::string> headerLines,
        const std::string& data,
        std::chrono::seconds timeout);

    std::string buildPostData(CurlEasyHandleWrapper& curl, const std::vector<std::pair<std::string, std::string>>& data)
        const;

    static size_t staticWriteCallbackLocked(char* ptr, size_t size, size_t nmemb, void* userdata);

    std::string m_bodyAccumulator;
};

}  // namespace libcurlUtils
}  // namespace utils
}  // namespace avsCommon
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_HTTPPOST_H_