com.jevontech.wabl.security.AuthenticationTokenFilter.java Source code

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Here is the source code for com.jevontech.wabl.security.AuthenticationTokenFilter.java

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/*
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package com.jevontech.wabl.security;

/**
 *
 * @author jeroen
 */
import com.jevontech.wabl.config.AuthenticationConfiguration;
import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;

public class AuthenticationTokenFilter extends UsernamePasswordAuthenticationFilter {

    private static final Logger log = LoggerFactory.getLogger(AuthenticationTokenFilter.class);

    @Value("${wabl.token.header}")
    private String tokenHeader;

    @Autowired
    private TokenUtils tokenUtils;

    @Autowired
    private UserDetailsService userDetailsService;

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {

        //log.debug("doFilter");

        HttpServletRequest httpRequest = (HttpServletRequest) request;
        String authToken = httpRequest.getHeader(this.tokenHeader);
        String username = this.tokenUtils.getUsernameFromToken(authToken);

        log.debug("doFilter: this.tokenHeader=" + this.tokenHeader);

        log.debug("doFilter: authToken=" + authToken + " , username=" + username);

        if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {
            UserDetails userDetails = this.userDetailsService.loadUserByUsername(username);

            log.debug("doFilter: userDetails=" + userDetails.toString());
            if (this.tokenUtils.validateToken(authToken, userDetails)) {
                UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
                        userDetails, null, userDetails.getAuthorities());
                authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(httpRequest));
                SecurityContextHolder.getContext().setAuthentication(authentication);
            }
        }

        chain.doFilter(request, response);
    }

}