package SSLTesting;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

/**
 *
 * @author artem
 */
public class HttpsTest {
    private static HttpsURLConnection httpsConnection;
    private static HttpURLConnection httpConnection;
    private static  String boundary = Long.toHexString(System.currentTimeMillis());   
    
    static {
        try {
            TrustManager[] trustAllCerts = { new X509TrustManager() {
                @Override
                public X509Certificate[] getAcceptedIssuers() {
                    return null;
                }

                @Override
                public void checkClientTrusted(X509Certificate[] certs, String authType) {
                }

                @Override
                public void checkServerTrusted(X509Certificate[] certs, String authType) {
                }
                } };

            SSLContext sc = SSLContext.getInstance("GostTLS");

            HostnameVerifier hv = new HostnameVerifier() {
                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }                
            };

            sc.init(null, trustAllCerts, new SecureRandom());
            
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
            HttpsURLConnection.setDefaultHostnameVerifier(hv);
            
        } catch (Exception localException) {
            localException.printStackTrace();
        }
    }
    
    private static void doPost(String s) throws IOException {
        try {

            httpsConnection = (HttpsURLConnection) new URL("https://zakupki.gov.ru/pgz/services/upload").openConnection();
            
            httpsConnection.setRequestMethod("POST");           
            httpsConnection.setDoOutput(true);                  

            httpsConnection.addRequestProperty("Content-Type", "multipart/form-data; boundary=--" + boundary);
            httpsConnection.addRequestProperty("User-Agent", "Mozilla/3.0 (compatible; Indy Library)");
            httpsConnection.addRequestProperty("Connection", "keep-alive");
            httpsConnection.addRequestProperty("Content-Length", "" + s.length());
                
            OutputStreamWriter writer = new OutputStreamWriter(httpsConnection.getOutputStream());
            writer.write(s);
            writer.flush();

            String line;
            StringBuffer buffer = new StringBuffer();
            BufferedReader reader = new BufferedReader(new InputStreamReader(httpsConnection.getInputStream()));
            while ((line = reader.readLine()) != null) {
                buffer.append(line);
            }

            writer.close();
            reader.close();
            httpsConnection.disconnect();


        } catch (Exception e) {
            InputStream errorStream = httpsConnection.getErrorStream();
            BufferedReader in = new BufferedReader(new InputStreamReader(errorStream));
            String inputLine;

            while ((inputLine = in.readLine()) != null) {
                System.out.println(inputLine);
            }
            in.close();

            System.out.println(httpsConnection.getResponseCode());
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws IOException {
        
        String CRLF = "\r\n";
        StringBuilder sb = new StringBuilder();
        
        sb.append("--" + boundary).append(CRLF);
        sb.append("Content-Disposition: form-data; name=\"login\"").append(CRLF);        
        sb.append(CRLF);
        sb.append("test").append(CRLF);
                
        sb.append("--" + boundary).append(CRLF);
        sb.append("Content-Disposition: form-data; name=\"password\"").append(CRLF);        
        sb.append(CRLF);
        sb.append("test").append(CRLF);
        
        sb.append("--" + boundary).append(CRLF);
        sb.append("Content-Disposition: form-data; name=\"document\"; filename=\"test.xml\"").append(CRLF);        
        sb.append("Content-Type: text/xml").append(CRLF);
        sb.append(CRLF);
        sb.append("<xml >").append(CRLF);
        sb.append("--" + boundary).append(CRLF);
        
        sb.append("Content-Disposition: form-data; name=\"signature\"; filename=\"(file.file)\"").append(CRLF);        
        sb.append("Content-Type: application/octet-stream ").append(CRLF);
        sb.append(CRLF);
        sb.append("streamstreamstream").append(CRLF);
        sb.append("--" + boundary);
        
        doPost(sb.toString());
    }
    
}

ufferedReader reader = new BufferedReader(new InputStreamReader(httpsConnection.getInputStream()));