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seciruty下的例子

    博客分类：
  • java
SocketOSF#.netSecurity 
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package javasecurity;
import java.io.*;
import java.net.*;
import javax.net.*;
import javax.net.ssl.*;
import java.security.*;
import java.util.*;
public class HttpsServer
{
// keystore文件名
String keystore = "serverkeys";
// keystore密码
char keystorepass[] = "hellothere".toCharArray();
// key密码
char keypassword[] = "hiagain".toCharArray();
// 使用缺省的433端口
public static final int HTTPS_PORT = 443;
public ServerSocket getServer() throws Exception
{
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(new FileInputStream(keystore), keystorepass);
KeyManagerFactory kmf =
KeyManagerFactory.getInstance("SunX509");
kmf.init(ks, keypassword);
SSLContext sslcontext = SSLContext.getInstance("SSLv3");
sslcontext.init(kmf.getKeyManagers(), null, null);
ServerSocketFactory ssf =
sslcontext.getServerSocketFactory();
// 建立SSL Socket连接
SSLServerSocket serversocket =
(SSLServerSocket) ssf.createServerSocket(HTTPS_PORT);
return serversocket;
}
public void run()
{
ServerSocket listen;
try
{
// 为每一个连接建立线程
listen = getServer();
while (true)
{
Socket client = listen.accept();
ProcessConnection cc = new ProcessConnection(client);
}
}
catch (Exception e)
{
System.out.println("Exception: " + e.getMessage());
}
}
public static void main(String argv[]) throws Exception
{
HttpsServer https = new HttpsServer();
https.run();
}
}
class ProcessConnection extends Thread
{
Socket client;
BufferedReader is;
DataOutputStream os;
public ProcessConnection(Socket s)
{
client = s;
try
{
// 客户端请求流
is =
new BufferedReader(
new InputStreamReader(client.getInputStream()));
// 服务器响应流
os = new DataOutputStream(client.getOutputStream());
}
catch (IOException e)
{
System.out.println("Exception: " + e.getMessage());
}
this.start();
}
public void run()
{
try
{
// 得到客户端请求并解析请求
String request = is.readLine();
System.out.println("Request: " + request);
StringTokenizer st = new StringTokenizer(request);
if ((st.countTokens() >= 2) &&
st.nextToken().equals("GET"))
{
if ((request = st.nextToken()).startsWith("/"))
request = request.substring(1);
if (request.equals(""))
request = request + "index.html";
File f = new File(request);
shipDocument(os, f);
}
else
{
os.writeBytes("400 Bad Request");
}
client.close();
}
catch (Exception e)
{
System.out.println("Exception: " + e.getMessage());
}
}
public static void shipDocument(DataOutputStream out, File f)
throws Exception
{
try
{
DataInputStream in =
new DataInputStream (new FileInputStream(f));
int len = (int) f.length();
byte[] buf = new byte[len];
in.readFully(buf);
in.close();
out.writeBytes("HTTP/1.0 200 OK\r\n");
out.writeBytes("Content-Length: " + f.length() + "\r\n");
out.writeBytes("Content-Type:text/html\r\n\r\n");
out.write(buf);
out.flush();
}
catch (Exception e)
{
// 回写错误信息
out.writeBytes("<html><head><title>error</title>"+
"</head><body>\r\n\r\n");
out.writeBytes("HTTP/1.0 400 " + e.getMessage() + "\r\n");
out.writeBytes("Content-Type: text/html\r\n\r\n");
out.writeBytes("</body></html>");
out.flush();
}
finally
{
out.close();
}
}
}
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