basicauthentication.java

这是linux下ssl vpn的实现程序

package com.maverick.http;

import com.maverick.crypto.encoders.Base64;
import java.io.*;
import java.util.Hashtable;

public class BasicAuthentication
    extends HttpAuthenticator {

  String realm;

  public BasicAuthentication(String uri) {
    super("Basic", uri);
  }

  public String getRealm() {
    return realm;
  }

  public boolean isStateless() {
      return true;
  }

  /**
   * authenticate
   *
   * @param credentials ProxyCredentials
   * @todo Implement this com.maverick.proxy.ProxyAuthenticator method
   */
  public void authenticate(HttpRequest request, HttpMethod method){
    String str = credentials.getUsername() + ":" + credentials.getPassword();
    request.setHeaderField(authorizationHeader, "Basic " + new String(Base64.encode(str.getBytes())));
  }

  public int processResponse(HttpResponse response) {
    return (hasCompleted = response.getStatus()>= 200 && response.getStatus() < 400) ? AUTHENTICATION_COMPLETED : AUTHENTICATION_FAILED;
  }

  public void setChallenge(String challenge) {
  	try {
	  	Hashtable params = ParameterParser.extractParams(challenge);
	  	this.realm = (String)params.get("realm");
  	} catch(IOException ex) {
  		this.realm = "";
  	}
  }
}