SpringAuthenticationProvider.java

package com.thinkbiganalytics.metadata.modeshape.security;

/*-
 * #%L
 * thinkbig-metadata-modeshape
 * %%
 * Copyright (C) 2017 ThinkBig Analytics
 * %%
 * 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.
 * #L%
 */

import org.modeshape.jcr.ExecutionContext;
import org.modeshape.jcr.security.AuthenticationProvider;
import org.springframework.security.core.Authentication;

import java.util.Map;

import javax.jcr.Credentials;


public class SpringAuthenticationProvider implements AuthenticationProvider {

    @Override
    public ExecutionContext authenticate(Credentials credentials,
                                         String repositoryName,
                                         String workspaceName,
                                         ExecutionContext repositoryContext,
                                         Map<String, Object> sessionAttributes) {

        if (credentials instanceof SpringAuthenticationCredentials) {
            SpringAuthenticationCredentials cred = (SpringAuthenticationCredentials) credentials;
            Authentication auth = cred.getAuthentication();

            if (auth != null) {
                return repositoryContext.with(new SpringSecurityContext(auth, cred.getPrincipals()));
            }
        }

        return null;
    }
}