POCO : https example

poco-https.cpp

#include "Poco/Exception.h"
#include "Poco/StreamCopier.h"

#include "Poco/URI.h"
#include "Poco/URIStreamOpener.h"
#include "Poco/Net/HTTPStreamFactory.h"
#include "Poco/Net/HTTPSStreamFactory.h"

#include "Poco/Net/AcceptCertificateHandler.h"
#include "Poco/Net/InvalidCertificateHandler.h"
#include "Poco/Net/Context.h"
#include "Poco/Net/SSLManager.h"

#pragma comment(lib, "Crypt32.lib")

#include <memory>
#include <iostream>

std::string getHttpContent(const std::string& url) {
    std::string content {};
    try {
        auto& opener = Poco::URIStreamOpener::defaultOpener();
        auto uri = Poco::URI { url };
        auto is = std::shared_ptr<std::istream> { opener.open(uri) };
        Poco::StreamCopier::copyToString(*(is.get()), content);
    } catch (Poco::Exception& e) {
        std::cerr << e.displayText() << std::endl;
    }
    return content;
}

int main(int argc, char** argv) {
    Poco::Net::HTTPStreamFactory::registerFactory();
    Poco::Net::HTTPSStreamFactory::registerFactory();

    // http://stackoverflow.com/questions/18315472/https-request-in-c-using-poco
    Poco::Net::initializeSSL();
    Poco::Net::SSLManager::InvalidCertificateHandlerPtr ptrHandler ( new Poco::Net::AcceptCertificateHandler(false) );
    Poco::Net::Context::Ptr ptrContext ( new Poco::Net::Context(Poco::Net::Context::CLIENT_USE, "") );
    Poco::Net::SSLManager::instance().initializeClient(0, ptrHandler, ptrContext);

    const auto url = "https://github.com/";
    const auto content = getHttpContent(url);
    std::cout << content << std::endl;
}