Java tutorial
package com.cj.config.security; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ import org.apache.shiro.authc.AuthenticationException; import org.apache.shiro.authc.AuthenticationInfo; import org.apache.shiro.authc.AuthenticationToken; import org.apache.shiro.authc.SimpleAuthenticationInfo; import org.apache.shiro.authc.UsernamePasswordToken; import org.apache.shiro.authc.credential.HashedCredentialsMatcher; import org.apache.shiro.authz.AuthorizationInfo; import org.apache.shiro.authz.SimpleAuthorizationInfo; import org.apache.shiro.realm.AuthorizingRealm; import org.apache.shiro.subject.PrincipalCollection; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import com.cj.domain.security.Account; import com.cj.domain.security.Role; import com.cj.repository.security.AccountRepository; @Component public class JpaAuthorizingRealm extends AuthorizingRealm { @Autowired private AccountRepository accountRepository; public JpaAuthorizingRealm() { setName("JpaAuthorizingRealm"); // This name must match the name in the // User class's getPrincipals() method setCredentialsMatcher(new HashedCredentialsMatcher("SHA-256")); } @Override protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException { Account account = accountRepository.findByUsername(((UsernamePasswordToken) token).getUsername()); if (account != null) { return new SimpleAuthenticationInfo(account.getId(), account.getPassword(), getName()); } else { return null; } } @Override protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) { Long accountId = (Long) principals.fromRealm(getName()).iterator().next(); Account account = accountRepository.findOne(accountId); if (account != null) { SimpleAuthorizationInfo info = new SimpleAuthorizationInfo(); for (Role role : account.getRoles()) { info.addRole(role.getName()); info.addStringPermissions(role.getPermissionsAsStringSet()); } return info; } else { return null; } } }