001/* 002 * Licensed to DuraSpace under one or more contributor license agreements. 003 * See the NOTICE file distributed with this work for additional information 004 * regarding copyright ownership. 005 * 006 * DuraSpace licenses this file to you under the Apache License, 007 * Version 2.0 (the "License"); you may not use this file except in 008 * compliance with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.fcrepo.auth.common; 019 020import java.util.Map; 021 022import javax.jcr.Credentials; 023 024import org.apache.shiro.SecurityUtils; 025import org.modeshape.jcr.ExecutionContext; 026import org.modeshape.jcr.security.AuthenticationProvider; 027 028/** 029 * Modeshape authentication provider that gets its security context from the current Shiro Subject. 030 * 031 * @author peichman 032 */ 033public class ShiroAuthenticationProvider implements AuthenticationProvider { 034 035 @Override 036 public ExecutionContext authenticate(final Credentials credentials, final String repositoryName, 037 final String workspaceName, final ExecutionContext repositoryContext, 038 final Map<String, Object> sessionAttributes) { 039 040 if (credentials == null) { 041 return null; 042 } 043 044 return repositoryContext.with(new ShiroSecurityContext(SecurityUtils.getSubject())); 045 } 046 047}