src/main/java/com/juick/www/controllers/Login.java


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/*
 * Copyright (C) 2008-2020, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.juick.www.controllers;

import com.juick.model.User;
import com.juick.service.UserService;
import com.juick.service.security.annotation.Visitor;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.WebAttributes;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.inject.Inject;
import javax.servlet.http.HttpSession;

/**
 * @author Ugnich Anton
 */
@Controller
public class Login {
    @Inject
    private UserService userService;

    @GetMapping("/login")
    public String getloginForm(@Visitor User visitor, HttpSession session,
            @RequestParam(required = false, defaultValue = "true") boolean redirect, ModelMap model) {
        if (!visitor.isAnonymous()) {
            return redirect ? "redirect:/" : "redirect:/login/success";
        }
        AuthenticationException authEx = (AuthenticationException) session
                .getAttribute(WebAttributes.AUTHENTICATION_EXCEPTION);

        if (authEx != null) {
            model.addAttribute("authErrorMessage", authEx.getLocalizedMessage());
        }

        return "layouts/login";
    }

    @GetMapping("/login/success")
    public String getSuccessLogin(@Visitor User visitor, ModelMap model) {
        model.addAttribute("hash", userService.getHashByUID(visitor.getUid()));
        return "views/login_success";
    }
}