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SslClientCmd.java - SSL Client Command Example
How to create an SSL client program to run like a command?
✍: FYIcenter
Here is an SSL client example program you can run like a command to communicate to any HTTPS web server:
// Copyright (c) FYIcenter.com import java.net.*; import java.io.*; import javax.net.ssl.*; public class SslClientCmd { public static void main(String[] args) throws Exception { String host = "www.oracle.com"; int port = 443; String url = "http://www.oracle.com/index.html"; if (args.length < 3) { System.out.println("USAGE: java SslClientCmd host port url"); System.exit(-1); } host = args[0]; port = Integer.parseInt(args[1]); url = args[2]; SSLSocketFactory factory = (SSLSocketFactory)SSLSocketFactory.getDefault(); SSLSocket socket = (SSLSocket)factory.createSocket(host, port); socket.startHandshake(); PrintWriter out = new PrintWriter(new BufferedWriter( new OutputStreamWriter(socket.getOutputStream()))); out.println("GET "+url+" HTTP/1.1"); out.println(); out.flush(); BufferedReader in = new BufferedReader(new InputStreamReader( socket.getInputStream())); String line = in.readLine(); while (line.length()>0) { System.out.println(line); line = in.readLine(); } in.close(); out.close(); socket.close(); } }
You can compile and run the above example in a command window:
\fyicenter>\local\jdk-1.8.0\bin\javac SslClientCmd.java \fyicenter>\local\jdk-1.8.0\bin\java SslClientCmd USAGE: java SslClientCmd host port url \fyicenter>\local\jdk-1.8.0\bin\java SslClientCmd www.oracle.com 443 http://www.oracle.com/index.html | more HTTP/1.1 200 OK Server: Oracle-Application-Server-11g Content-Language: en-US Content-Type: text/html; charset=UTF-8 Content-Length: 42129 ... \fyicenter>\local\jdk-1.8.0\bin\java SslClientCmd www.oracle.com 443 http://www.oracle.com/junk.html HTTP/1.1 404 Not Found Server: Oracle-Application-Server-11g Accept-Ranges: bytes Content-Length: 2720 Content-Type: text/html; charset=UTF-8 ...
⇒ Create SSL Server Certificate with "keytool"
⇐ SslCipherList.java - SSL Cipher List
2018-03-31, 1874🔥, 0💬
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