SpringSecurity 사용 기록 (5) -- 설정

  <http  use-expressions="true" ><!-- This is not the default value -->
       <custom-filter position="FORM_LOGIN_FILTER" ref="myFilter"/> <!--This is my own filter which just extends AbstractAuthenticationProcessingFilter as what UsernamePasswordAuthenticationFilter does.-->
       <intercept-url pattern="/test/**"  access="hasRole('ROLE_MY')"/><!-- I tested that what is role,and how I can use it.So ROLE_MY is just a role name I defined.-->
       <intercept-url pattern="/login.jsp*" access="permitAll" />
       <logout />
       <anonymous /> 
       <http-basic />
  </http>

<beans:bean id="myFilter" 
      class="com.saveworld.authentication.filters.MyUsernamePasswordAuthenticationFilter">
    <beans:property name="defaultTargetUrl"  value="/default.jsp" />
    <beans:property name="defaultFailureUrl"  value="/error.jsp" />
    <beans:property name="authenticationManager" ref="authenticationManager" /> 
    <beans:property name="filterProcessesUrl" value="/j_spring_security_check" /> 
    <beans:property name="continueChainBeforeSuccessfulAuthentication" value="false" /> 
  </beans:bean>

<http auto-config='true'>
   <custom-filter position="FORM_LOGIN_FILTER" ref="myFilter"/>
</http>

package com.saveworld.authentication.filters;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.security.authentication.AuthenticationServiceException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.authentication.event.InteractiveAuthenticationSuccessEvent;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
import org.springframework.security.web.authentication.NullRememberMeServices;
import org.springframework.security.web.authentication.RememberMeServices;
import org.springframework.security.web.authentication.SavedRequestAwareAuthenticationSuccessHandler;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.security.web.util.TextEscapeUtils;
import org.springframework.util.Assert;

import com.saveworld.authentication.handlers.MySavedRequestAwareAuthenticationSuccessHandler;
import com.saveworld.authentication.handlers.MySimpleUrlAuthenticationFailureHandler;

public class MyUsernamePasswordAuthenticationFilter extends AbstractAuthenticationProcessingFilter{
    //~ Static fields/initializers =====================================================================================

    public static final String SPRING_SECURITY_FORM_USERNAME_KEY = "username";
    public static final String SPRING_SECURITY_FORM_PASSWORD_KEY = "password";
    public static final String SPRING_SECURITY_LAST_USERNAME_KEY = "SPRING_SECURITY_LAST_USERNAME";

    private String usernameParameter = SPRING_SECURITY_FORM_USERNAME_KEY;
    private String passwordParameter = SPRING_SECURITY_FORM_PASSWORD_KEY;
    private boolean postOnly = true;
    
    private boolean allowSessionCreation = true;
    
    private String defaultTargetUrl = "/";
    private String defaultFailureUrl = "/login.jsp";
    
    private AuthenticationSuccessHandler successHandler = null;
    private AuthenticationFailureHandler failureHandler = null;
    
    
    private RememberMeServices rememberMeServices = null;
    
    //~ Constructors ===================================================================================================

    public MyUsernamePasswordAuthenticationFilter() {
        //   
        super("/j_spring_security_check");
        this.rememberMeServices = (super.getRememberMeServices() == null) 
                                     ? new NullRememberMeServices():super.getRememberMeServices();
        
    }

    //~ Methods ========================================================================================================

    public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException {
        if (postOnly && !request.getMethod().equals("POST")) {
            throw new AuthenticationServiceException("Authentication method not supported: " + request.getMethod());
        }

        String username = obtainUsername(request);
        String password = obtainPassword(request);

        if (username == null) {
            username = "";
        }

        if (password == null) {
            password = "";
        }

        username = username.trim();

        UsernamePasswordAuthenticationToken authRequest = new UsernamePasswordAuthenticationToken(username, password);

        // Place the last username attempted into HttpSession for views
        HttpSession session = request.getSession(false);

        if (session != null || getAllowSessionCreation()) {
            request.getSession().setAttribute(SPRING_SECURITY_LAST_USERNAME_KEY, TextEscapeUtils.escapeEntities(username));
        }

        // Allow subclasses to set the "details" property
        setDetails(request, authRequest);

        return this.getAuthenticationManager().authenticate(authRequest);
    }

    
    
    public void successfulAuthentication(HttpServletRequest request, HttpServletResponse response,
            Authentication authResult) throws IOException, ServletException {

        if (logger.isDebugEnabled()) {
            logger.debug("Authentication success. Updating SecurityContextHolder to contain: " + authResult);
        }
        
        SecurityContextHolder.getContext().setAuthentication(authResult);

        rememberMeServices.loginSuccess(request, response, authResult);

        // Fire event
        if (this.eventPublisher != null) {
            eventPublisher.publishEvent(new InteractiveAuthenticationSuccessEvent(authResult, this.getClass()));
        }
        if(successHandler == null){
            successHandler = new MySavedRequestAwareAuthenticationSuccessHandler(getDefaultTargetUrl());
        }
        successHandler.onAuthenticationSuccess(request, response, authResult);
    }
    
    public void unsuccessfulAuthentication(HttpServletRequest request, HttpServletResponse response,
            AuthenticationException failed) throws IOException, ServletException {
        SecurityContextHolder.clearContext();
        
        if(failureHandler == null){
            failureHandler = new MySimpleUrlAuthenticationFailureHandler(getDefaultFailureUrl());
        }
        
        if (logger.isDebugEnabled()) {
            logger.debug("Authentication request failed: " + failed.toString());
            logger.debug("Updated SecurityContextHolder to contain null Authentication");
            logger.debug("Delegating to authentication failure handler" + failureHandler);
        }

        HttpSession session = request.getSession(false);

        if (session != null || allowSessionCreation) {
            request.getSession().setAttribute(SPRING_SECURITY_LAST_EXCEPTION_KEY, failed);
        }

        rememberMeServices.loginFail(request, response);

        failureHandler.onAuthenticationFailure(request, response, failed);
    }
    
    
    /**
     * Enables subclasses to override the composition of the password, such as by including additional values
     * and a separator.<p>This might be used for example if a postcode/zipcode was required in addition to the
     * password. A delimiter such as a pipe (|) should be used to separate the password and extended value(s). The
     * <code>AuthenticationDao</code> will need to generate the expected password in a corresponding manner.</p>
     *
     * @param request so that request attributes can be retrieved
     *
     * @return the password that will be presented in the <code>Authentication</code> request token to the
     *         <code>AuthenticationManager</code>
     */
    protected String obtainPassword(HttpServletRequest request) {
        return request.getParameter(passwordParameter);
    }

    /**
     * Enables subclasses to override the composition of the username, such as by including additional values
     * and a separator.
     *
     * @param request so that request attributes can be retrieved
     *
     * @return the username that will be presented in the <code>Authentication</code> request token to the
     *         <code>AuthenticationManager</code>
     */
    protected String obtainUsername(HttpServletRequest request) {
        return request.getParameter(usernameParameter);
    }

    /**
     * Provided so that subclasses may configure what is put into the authentication request's details
     * property.
     *
     * @param request that an authentication request is being created for
     * @param authRequest the authentication request object that should have its details set
     */
    protected void setDetails(HttpServletRequest request, UsernamePasswordAuthenticationToken authRequest) {
        authRequest.setDetails(authenticationDetailsSource.buildDetails(request));
    }

    /**
     * Sets the parameter name which will be used to obtain the username from the login request.
     *
     * @param usernameParameter the parameter name. Defaults to "j_username".
     */
    public void setUsernameParameter(String usernameParameter) {
        Assert.hasText(usernameParameter, "Username parameter must not be empty or null");
        this.usernameParameter = usernameParameter;
    }

    /**
     * Sets the parameter name which will be used to obtain the password from the login request..
     *
     * @param passwordParameter the parameter name. Defaults to "j_password".
     */
    public void setPasswordParameter(String passwordParameter) {
        Assert.hasText(passwordParameter, "Password parameter must not be empty or null");
        this.passwordParameter = passwordParameter;
    }

    /**
     * Defines whether only HTTP POST requests will be allowed by this filter.
     * If set to true, and an authentication request is received which is not a POST request, an exception will
     * be raised immediately and authentication will not be attempted. The <tt>unsuccessfulAuthentication()</tt> method
     * will be called as if handling a failed authentication.
     * <p>
     * Defaults to <tt>true</tt> but may be overridden by subclasses.
     */
    public void setPostOnly(boolean postOnly) {
        this.postOnly = postOnly;
    }

    public final String getUsernameParameter() {
        return usernameParameter;
    }

    public final String getPasswordParameter() {
        return passwordParameter;
    }

    public String getDefaultTargetUrl() {
        return defaultTargetUrl;
    }

    public void setDefaultTargetUrl(String defaultTargetUrl) {
        this.defaultTargetUrl = defaultTargetUrl;
    }

    public String getDefaultFailureUrl() {
        return defaultFailureUrl;
    }

    public void setDefaultFailureUrl(String defaultFailureUrl) {
        this.defaultFailureUrl = defaultFailureUrl;
    }
    
    
}

package com.saveworld.userdetails;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.springframework.dao.DataAccessException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.GrantedAuthorityImpl;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

public class MyUserDetailsService implements UserDetailsService{
    
    private HashMap<String, User> userDetails = new HashMap<String, User>();
    private HashMap<String, List<GrantedAuthority>> userAuthorities = new HashMap<String, List<GrantedAuthority>>(); 
    
    public MyUserDetailsService(){
        //Make up a user named 'rod' with 'rod' as his password!
        //
        String username = "rod";
        String password = "1";
        boolean enabled = true;
        //purview for rod
        GrantedAuthority specAuth = new GrantedAuthorityImpl("ROLE_MY");
        List<GrantedAuthority> rodsAuthsList = new ArrayList<GrantedAuthority>();
        rodsAuthsList.add(specAuth);
//        userAuthorities.put("rod", rodsAuthsList);
        userDetails.put("rod", new User(username, password, enabled, true, true, true, rodsAuthsList));
    }
    
    
    public UserDetails loadUserByUsername(String username)
            throws UsernameNotFoundException, DataAccessException {
        System.out.println("         ");
        return userDetails.get(username);
    }

}