Poco HTTPPOST request with headers

poco_http_post_headers.cpp

#include <Poco/Net/HTTPClientSession.h>
#include <Poco/Net/HTTPRequest.h>
#include <Poco/Net/HTTPResponse.h>
#include <Poco/StreamCopier.h>
#include <Poco/Path.h>
#include <Poco/URI.h>
#include <Poco/Exception.h>

using namespace Poco::Net;
using namespace Poco;

string ofPostRequest(string url, string body, map<string,string> headers) {
    try
    {
        // prepare session
        URI uri(url);
        HTTPClientSession session(uri.getHost(), uri.getPort());
        
        // prepare path
        string path(uri.getPathAndQuery());
        if (path.empty()) path = "/";
        
        // send request
        HTTPRequest req(HTTPRequest::HTTP_POST, path, HTTPMessage::HTTP_1_1);
        req.setContentType("application/x-www-form-urlencoded");
        
        // Set headers here
        for(map<string,string>::iterator it = headers.begin();
            it != headers.end(); it++) {
            req.set(it->first, it->second);
        }
        
        // Set the request body
        req.setContentLength( body.length() );
        
        // sends request, returns open stream
        std::ostream& os = session.sendRequest(req);
        os << body;  // sends the body
        //req.write(std::cout); // print out request
        
        // get response
        HTTPResponse res;
        cout << res.getStatus() << " " << res.getReason() << endl;
        
        istream &is = session.receiveResponse(res);
        stringstream ss;
        StreamCopier::copyStream(is, ss);
        
        return ss.str();
    }
    catch (Exception &ex)
    {
        cerr << ex.displayText() << endl;
        return "";
    }
}

//--------------------------------------------------------------
void ofApp::setup(){
    
    string body = "[email protected]&password=mypword";
    map<string,string> headers;
    headers["Test-Header"] = "Rainbow Lollipop";
    ofLogNotice() << ofPostRequest("http://localhost:8080", body, headers);
}