[Certificate] How to Communicate/Connect to https via proxy
Hi,
I am trying to do a HTTPS post to a website through javacode. I am receiving the error Unable connect to server-https. Proxy returns "HTTP/1.1 500 Server Error"!
package sslproject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.MalformedURLException;
import java.net.URL;
import javax.net.ssl.*;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
publicclass HtpsConnection{
publicstatic String urlHost ="https://X.X.X.X:443/servletHTTPS";
publicstaticvoid main (String[] args)throws IOException{
System.out.println(getPage(urlHost).toString());
}
publicstatic StringBuffer getPage(String urlString)
{
publicstatic String proxyPwd ="proxyPWD";
publicstatic String proxyUser ="proxyUSER";
publicstatic String proxyHost ="proxyIP";
publicstaticintproxyPort = port_proxy;
System.getProperties().put("javax.net.debug","ssl" );
System.getProperties().put("https.proxySet","true");
System.getProperties().put("https.proxyHost", proxyHost);
System.getProperties().put("https.proxyPort", proxyPort);
TrustManager[] trustAllCerts =new TrustManager[]{
new X509TrustManager(){
publicboolean checkClientTrusted(java.security.cert.X509Certificate[] chain){
returntrue;
}
publicboolean isServerTrusted(java.security.cert.X509Certificate[] chain){
returntrue;
}
publicboolean isClientTrusted(java.security.cert.X509Certificate[] chain){
returntrue;
}
public java.security.cert.X509Certificate[] getAcceptedIssuers(){
returnnull;
}
publicvoid checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType){}
publicvoid checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType){}
}
};
try
{
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts,null);
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
}
catch(NoSuchAlgorithmException nsae)
{}
catch(KeyManagementException kme)
{
kme.printStackTrace();
}
try
{
HttpsURLConnection connec =null;
URL url =new URL(urlString);
connec = (HttpsURLConnection)url.openConnection();
connec.setDoInput(true);
connec.setUseCaches(false);
String authentication = proxyUser +":" + proxyPwd;
String encodedPassword ="Basic " +new sun.misc.BASE64Encoder().encode(authentication.getBytes());
connec.setRequestProperty("Proxy-Authorization", encodedPassword);
connec.setRequestMethod("POST");
connec.setDoOutput(true);
String msg;
msg=""+"\r\n";
int statusCode = connec.getResponseCode();
System.err.println("Certificats >"+connec.getServerCertificates());
System.err.println("HEADER >"+connec.getHeaderFields());
StringBuffer pageContents =new StringBuffer();
if(statusCode==HttpsURLConnection.HTTP_OK)
{
System.err.println("Connected ...!");
BufferedReader in =new BufferedReader(new InputStreamReader(connec.getInputStream()));
PrintWriter out =new PrintWriter(connec.getOutputStream(),true );
out.println(msg);
String curLine = in.readLine();
while(curLine!=null)
{
pageContents.append(curLine);
curLine = in.readLine();
}
}
return pageContents;
}
catch(MalformedURLException mue)
{
mue.printStackTrace();
}
catch(IOException ioe)
{
ioe.printStackTrace();
}
returnnull;
}
}
when i execute this code java HtpsConnection :
{[HTTP/1.1 500 Internal Server Error], Content-Length=[101], Connection=[Close], Date=[Fri, 01 Dec 2006 11:38:11 GMT], Content-Type=[text/html]}
we usedwget command inunix/linux environnement :
root@becane:~# wget ip_server_https 443
...
Connecting to X.X.X.X:443... connected.
ERROR: Certificate verification error for X.X.X.X : unable to get local issuer certificate
ERROR: certificate common name `X.X.X.X' doesn't match requested host name `X.X.X.X:443'.
To connect to X.X.X.X:443 insecurely, use `--no-check-certificate'.
Unable to establish SSL connection.
--17:19:09-- http://443/
=> `index.html.1'
Resolving 443... 0.0.1.187
Connecting to 443|0.0.1.187|:80... failed: Invalid argument.
FINISHED --17:19:09--
Downloaded: 0 bytes in 0 files
Can you let me know how to solve ?
How to use certificate in my code ?
Thank you very much in advance.
