com.boxedfolder.carrot.web.client.security.UserXAuthTokenResource.java Source code

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Here is the source code for com.boxedfolder.carrot.web.client.security.UserXAuthTokenResource.java

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/*
 * Carrot - beacon content management
 * Copyright (C) 2016 Heiko Dreyer
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.boxedfolder.carrot.web.client.security;

import com.boxedfolder.carrot.config.security.xauth.TokenUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * This generates the token that must be present in subsequent REST
 * invocations.
 *
 * @author Philip W. Sorst (philip@sorst.net)
 * @author Josh Long (josh@joshlong.com)
 *         <p/>
 *         Modified by:
 * @author bfolder
 */
@RestController
public class UserXAuthTokenResource {
    private final TokenUtils tokenUtils = new TokenUtils();
    private final AuthenticationManager authenticationManager;
    private final UserDetailsService userDetailsService;

    @Autowired
    public UserXAuthTokenResource(AuthenticationManager authenticationManager,
            UserDetailsService userDetailsService) {
        this.authenticationManager = authenticationManager;
        this.userDetailsService = userDetailsService;
    }

    @RequestMapping(value = "/client/authenticate", method = { RequestMethod.POST })
    public UserTransfer authorize(@RequestParam String username, @RequestParam String password) {
        UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
        Authentication authentication = authenticationManager.authenticate(token);
        SecurityContextHolder.getContext().setAuthentication(authentication);

        UserDetails details = userDetailsService.loadUserByUsername(username);
        Map<String, Boolean> roles = new HashMap<>();
        for (GrantedAuthority authority : details.getAuthorities()) {
            roles.put(authority.toString(), Boolean.TRUE);
        }

        return new UserTransfer(details.getUsername(), roles, tokenUtils.createToken(details));
    }

    /**
     * Class which wraps user data into a json compatible transfer object.
     */
    public static class UserTransfer {
        private final String name;
        private final Map<String, Boolean> roles;
        private final String token;

        public UserTransfer(String userName, Map<String, Boolean> roles, String token) {
            Map<String, Boolean> mapOfRoles = new ConcurrentHashMap<String, Boolean>();
            for (String key : roles.keySet()) {
                mapOfRoles.put(key, roles.get(key));
            }

            this.roles = mapOfRoles;
            this.token = token;
            this.name = userName;
        }

        public String getName() {
            return this.name;
        }

        public Map<String, Boolean> getRoles() {
            return this.roles;
        }

        public String getToken() {
            return this.token;
        }
    }
}