Java by API/javax.net.ssl/SSLSocket
Содержание
SSLSocket: addHandshakeCompletedListener(HandshakeCompletedListener lis)
<source lang="java">
import java.io.IOException; import javax.net.ssl.HandshakeCompletedEvent; import javax.net.ssl.HandshakeCompletedListener; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class MainClass {
public static void main(String[] args) { String host = args[0]; int port = Integer.parseInt(args[1]); try { System.out.println("Locating socket factory for SSL..."); SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); System.out.println("Creating secure socket to " + host + ":" + port); SSLSocket socket = (SSLSocket) factory.createSocket(host, port); System.out.println("Enabling all available cipher suites..."); String[] suites = socket.getSupportedCipherSuites(); socket.setEnabledCipherSuites(suites); System.out.println("Registering a handshake listener..."); socket.addHandshakeCompletedListener(new MyHandshakeListener()); System.out.println("Starting handshaking..."); socket.startHandshake(); System.out.println("Just connected to " + socket.getRemoteSocketAddress()); } catch (IOException e) { e.printStackTrace(); } }
} class MyHandshakeListener implements HandshakeCompletedListener {
public void handshakeCompleted(HandshakeCompletedEvent e) { System.out.println("Handshake succesful!"); System.out.println("Using cipher suite: " + e.getCipherSuite()); }
}
</source>
SSLSocket: getInputStream()
<source lang="java">
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.security.Principal; import java.security.cert.X509Certificate; import javax.net.ssl.SSLPeerUnverifiedException; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class MainClass {
public static void main(String[] args) throws Exception { SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); String hostName = "hostName"; String fileName = "fileName"; SSLSocket sslsock = (SSLSocket) factory.createSocket(hostName, 443); SSLSession session = sslsock.getSession(); X509Certificate cert; try { cert = (X509Certificate) session.getPeerCertificates()[0]; } catch (SSLPeerUnverifiedException e) { System.err.println(session.getPeerHost() + " did not present a valid certificate."); return; } System.out.println(session.getPeerHost() + " has presented a certificate belonging to:"); Principal p = cert.getSubjectDN(); System.out.println("\t[" + p.getName() + "]"); System.out.println("The certificate bears the valid signature of:"); System.out.println("\t[" + cert.getIssuerDN().getName() + "]"); System.out.print("Do you trust this certificate (y/n)? "); System.out.flush(); BufferedReader console = new BufferedReader(new InputStreamReader(System.in)); if (Character.toLowerCase(console.readLine().charAt(0)) != "y") return; PrintWriter out = new PrintWriter(sslsock.getOutputStream()); out.print("GET " + fileName + " HTTP/1.0\r\n\r\n"); out.flush(); BufferedReader in = new BufferedReader(new InputStreamReader(sslsock.getInputStream())); String line; while ((line = in.readLine()) != null) System.out.println(line); sslsock.close(); }
}
</source>
SSLSocket: getSession()
<source lang="java">
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.security.Principal; import java.security.cert.X509Certificate; import javax.net.ssl.SSLPeerUnverifiedException; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class MainClass {
public static void main(String[] args) throws Exception { SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); String hostName = "hostName"; String fileName = "fileName"; SSLSocket sslsock = (SSLSocket) factory.createSocket(hostName, 443); SSLSession session = sslsock.getSession(); X509Certificate cert; try { cert = (X509Certificate) session.getPeerCertificates()[0]; } catch (SSLPeerUnverifiedException e) { System.err.println(session.getPeerHost() + " did not present a valid certificate."); return; } System.out.println(session.getPeerHost() + " has presented a certificate belonging to:"); Principal p = cert.getSubjectDN(); System.out.println("\t[" + p.getName() + "]"); System.out.println("The certificate bears the valid signature of:"); System.out.println("\t[" + cert.getIssuerDN().getName() + "]"); System.out.print("Do you trust this certificate (y/n)? "); System.out.flush(); BufferedReader console = new BufferedReader(new InputStreamReader(System.in)); if (Character.toLowerCase(console.readLine().charAt(0)) != "y") return; PrintWriter out = new PrintWriter(sslsock.getOutputStream()); out.print("GET " + fileName + " HTTP/1.0\r\n\r\n"); out.flush(); BufferedReader in = new BufferedReader(new InputStreamReader(sslsock.getInputStream())); String line; while ((line = in.readLine()) != null) System.out.println(line); sslsock.close(); }
}
</source>
SSLSocket: getSupportedCipherSuites()
<source lang="java">
import java.io.IOException; import javax.net.ssl.HandshakeCompletedEvent; import javax.net.ssl.HandshakeCompletedListener; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class MainClass {
public static void main(String[] args) { String host = args[0]; int port = Integer.parseInt(args[1]); try { System.out.println("Locating socket factory for SSL..."); SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); System.out.println("Creating secure socket to " + host + ":" + port); SSLSocket socket = (SSLSocket) factory.createSocket(host, port); System.out.println("Enabling all available cipher suites..."); String[] suites = socket.getSupportedCipherSuites(); socket.setEnabledCipherSuites(suites); System.out.println("Registering a handshake listener..."); socket.addHandshakeCompletedListener(new MyHandshakeListener()); System.out.println("Starting handshaking..."); socket.startHandshake(); System.out.println("Just connected to " + socket.getRemoteSocketAddress()); } catch (IOException e) { e.printStackTrace(); } }
} class MyHandshakeListener implements HandshakeCompletedListener {
public void handshakeCompleted(HandshakeCompletedEvent e) { System.out.println("Handshake succesful!"); System.out.println("Using cipher suite: " + e.getCipherSuite()); }
}
</source>
SSLSocket: setEnabledCipherSuites(String[] arg0)
<source lang="java">
import java.io.IOException; import javax.net.ssl.HandshakeCompletedEvent; import javax.net.ssl.HandshakeCompletedListener; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class MainClass {
public static void main(String[] args) { String host = args[0]; int port = Integer.parseInt(args[1]); try { System.out.println("Locating socket factory for SSL..."); SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); System.out.println("Creating secure socket to " + host + ":" + port); SSLSocket socket = (SSLSocket) factory.createSocket(host, port); System.out.println("Enabling all available cipher suites..."); String[] suites = socket.getSupportedCipherSuites(); socket.setEnabledCipherSuites(suites); System.out.println("Registering a handshake listener..."); socket.addHandshakeCompletedListener(new MyHandshakeListener()); System.out.println("Starting handshaking..."); socket.startHandshake(); System.out.println("Just connected to " + socket.getRemoteSocketAddress()); } catch (IOException e) { e.printStackTrace(); } }
} class MyHandshakeListener implements HandshakeCompletedListener {
public void handshakeCompleted(HandshakeCompletedEvent e) { System.out.println("Handshake succesful!"); System.out.println("Using cipher suite: " + e.getCipherSuite()); }
}
</source>
SSLSocket: startHandshake()
<source lang="java">
import java.io.IOException; import javax.net.ssl.HandshakeCompletedEvent; import javax.net.ssl.HandshakeCompletedListener; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; public class MainClass {
public static void main(String[] args) { String host = args[0]; int port = Integer.parseInt(args[1]); try { System.out.println("Locating socket factory for SSL..."); SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault(); System.out.println("Creating secure socket to " + host + ":" + port); SSLSocket socket = (SSLSocket) factory.createSocket(host, port); System.out.println("Enabling all available cipher suites..."); String[] suites = socket.getSupportedCipherSuites(); socket.setEnabledCipherSuites(suites); System.out.println("Registering a handshake listener..."); socket.addHandshakeCompletedListener(new MyHandshakeListener()); System.out.println("Starting handshaking..."); socket.startHandshake(); System.out.println("Just connected to " + socket.getRemoteSocketAddress()); } catch (IOException e) { e.printStackTrace(); } }
} class MyHandshakeListener implements HandshakeCompletedListener {
public void handshakeCompleted(HandshakeCompletedEvent e) { System.out.println("Handshake succesful!"); System.out.println("Using cipher suite: " + e.getCipherSuite()); }
}
</source>