com.erudika.para.security.OpenIDAuthFilter.java Source code

Introduction

Here is the source code for com.erudika.para.security.OpenIDAuthFilter.java

Source

/*
 * Copyright 2013-2015 Erudika. http://erudika.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For issues and patches go to: https://github.com/erudika
 */
package com.erudika.para.security;

import com.erudika.para.core.User;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.LockedException;
import org.springframework.security.core.Authentication;
import org.springframework.security.openid.OpenIDAuthenticationFilter;
import org.springframework.security.web.util.matcher.RequestMatcher;

/**
 * A filter that handles authentication requests to OpenID providers.
 * @author Alex Bogdanovski [alex@erudika.com]
 */
public class OpenIDAuthFilter extends OpenIDAuthenticationFilter {

    /**
     * The default filter mapping
     */
    public static final String OPENID_ACTION = "openid_auth";

    /**
     * Default constructor.
     * @param defaultFilterProcessesUrl the url of the filter
     */
    public OpenIDAuthFilter(final String defaultFilterProcessesUrl) {
        setRequiresAuthenticationRequestMatcher(new RequestMatcher() {
            public boolean matches(HttpServletRequest request) {
                String uri = request.getRequestURI();
                boolean matches;
                if ("".equals(request.getContextPath())) {
                    matches = uri.endsWith(defaultFilterProcessesUrl);
                } else {
                    matches = uri.endsWith(request.getContextPath() + defaultFilterProcessesUrl);
                }
                return matches;
            }
        });
    }

    /**
     * Handles an authentication request.
     * @param request HTTP request
     * @param response HTTP response
     * @return an authentication object that contains the principal object if successful.
     * @throws IOException ex
     */
    @Override
    public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response)
            throws IOException {
        final String requestURI = request.getRequestURI();
        Authentication userAuth = null;
        User user = null;

        if (requestURI.endsWith(OPENID_ACTION)) {
            Authentication oidAuth = super.attemptAuthentication(request, response);

            if (oidAuth == null) {
                // hang on... redirecting to openid provider
                return null;
            } else {
                //success!
                user = (User) oidAuth.getPrincipal();
                userAuth = new UserAuthentication(user);
            }
        }

        if (userAuth == null || user == null || user.getIdentifier() == null) {
            throw new BadCredentialsException("Bad credentials.");
        } else if (!user.isEnabled()) {
            throw new LockedException("Account is locked.");
        }
        return userAuth;
    }
}