Java by API/javax.net.ssl/SSLSocketFactory — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 20:43, 31 мая 2010
ServerSocketFactory: createServerSocket(int arg0)
<source lang="java">
import java.io.IOException; import javax.net.ssl.SSLServerSocket; import javax.net.ssl.SSLServerSocketFactory; import javax.net.ssl.SSLSocket; public class MainClass {
public static void main(String[] args) { int port = Integer.parseInt(args[0]); try { System.out.println("Locating server socket factory for SSL..."); SSLServerSocketFactory factory = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault(); System.out.println("Creating a server socket on port " + port); SSLServerSocket serverSocket = (SSLServerSocket) factory.createServerSocket(port); String[] suites = serverSocket.getSupportedCipherSuites(); System.out.println("Support cipher suites are:"); for (int i = 0; i < suites.length; i++) { System.out.println(suites[i]); } serverSocket.setEnabledCipherSuites(suites); System.out.println("Support protocols are:"); String[] protocols = serverSocket.getSupportedProtocols(); for (int i = 0; i < protocols.length; i++) { System.out.println(protocols[i]); } System.out.println("Waiting for client..."); SSLSocket socket = (SSLSocket) serverSocket.accept(); System.out.println("Starting handshake..."); socket.startHandshake(); System.out.println("Just connected to " + socket.getRemoteSocketAddress()); } catch (IOException e) { e.printStackTrace(); } }
}
</source>
SSLSocketFactory: createSocket(String arg0, int arg1)
<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>
SSLSocketFactory: getDefault()
<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>