com.redblackit.web.controller.SecurityController.java Source code

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Here is the source code for com.redblackit.web.controller.SecurityController.java

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/*
 * Copyright 2002-2011 the original author or authors, or Red-Black IT Ltd, as appropriate.
 *
 * 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.
 */

package com.redblackit.web.controller;

import java.security.Principal;

import org.apache.log4j.Logger;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;

/**
 * @author djnorth
 * 
 * MVC controller handling security specific URLs (where necessary)
 *
 */
@Controller
public class SecurityController {

    /**
     * Logger
     */
    Logger logger = Logger.getLogger("security");

    /**
     * Authentication error handling.
     * 
     * For now we log, then fire up the login page with an appropriate message parameter
     * 
     * @param model
     */
    @RequestMapping("/loginError")
    @ResponseStatus(value = HttpStatus.UNAUTHORIZED)
    public String loginError(Model model) {
        logger.warn("login error");
        model.addAttribute("login_error", "login.unsuccessful");
        return "login";
    }

    /**
     * Access denied handling.
     * 
     * For now we log, then fire up the login page with an appropriate message parameter
     * 
     * @param principal
     * @param model
     */
    @RequestMapping("/accessDenied")
    @ResponseStatus(value = HttpStatus.FORBIDDEN)
    public String accessDenied(Principal principal, Model model) {
        logger.error("access denied to " + principal.getName());
        model.addAttribute("login_error", "login.access.denied");
        return "login";
    }

}