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>
