org.sakaiproject.rubrics.security.JwtAuthenticationProvider.java Source code

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Here is the source code for org.sakaiproject.rubrics.security.JwtAuthenticationProvider.java

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/**********************************************************************************
 *
 * Copyright (c) 2017 The Sakai Foundation
 *
 * Original developers:
 *
 *   Unicon based on code created by pascal alma
 *
 * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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 org.sakaiproject.rubrics.security;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.rubrics.security.exception.JwtTokenMalformedException;
import org.sakaiproject.rubrics.security.model.AuthenticatedRequestContext;
import org.sakaiproject.rubrics.security.model.JwtAuthenticationToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Component;

/**
 * Used for checking the token from the request and supply the UserDetails if the token is valid
 */
@Component
public class JwtAuthenticationProvider extends AbstractUserDetailsAuthenticationProvider {

    private final Log logger = LogFactory.getLog(this.getClass());

    @Autowired
    private JwtTokenUtil jwtTokenUtil;

    @Override
    public boolean supports(Class<?> authentication) {
        return (JwtAuthenticationToken.class.isAssignableFrom(authentication));
    }

    @Override
    protected void additionalAuthenticationChecks(UserDetails userDetails,
            UsernamePasswordAuthenticationToken authentication) throws AuthenticationException {
    }

    @Override
    protected UserDetails retrieveUser(String username, UsernamePasswordAuthenticationToken authentication)
            throws AuthenticationException {
        JwtAuthenticationToken jwtAuthenticationToken = (JwtAuthenticationToken) authentication;
        String token = jwtAuthenticationToken.getToken();
        AuthenticatedRequestContext parsedSession = jwtTokenUtil.getAuthenticatedUser(token);
        if (parsedSession == null) {
            throw new JwtTokenMalformedException(String.format("JWT token is not valid: %s", token));
        }
        return parsedSession;
    }
}