| /** |
| * 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. |
| */ |
| |
| package org.apache.atlas.web.security; |
| |
| import java.util.List; |
| import java.util.Properties; |
| |
| import javax.annotation.PostConstruct; |
| |
| import org.apache.atlas.ApplicationProperties; |
| import org.apache.atlas.web.model.User; |
| import org.apache.commons.configuration.Configuration; |
| import org.apache.commons.configuration.ConfigurationConverter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.ldap.core.support.LdapContextSource; |
| import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; |
| import org.springframework.security.core.Authentication; |
| import org.springframework.security.core.AuthenticationException; |
| import org.springframework.security.core.GrantedAuthority; |
| import org.springframework.security.core.userdetails.UserDetails; |
| import org.springframework.security.ldap.DefaultSpringSecurityContextSource; |
| import org.springframework.security.ldap.authentication.BindAuthenticator; |
| import org.springframework.security.ldap.authentication.LdapAuthenticationProvider; |
| import org.springframework.security.ldap.authentication.ad.ActiveDirectoryLdapAuthenticationProvider; |
| import org.springframework.security.ldap.search.FilterBasedLdapUserSearch; |
| import org.springframework.stereotype.Component; |
| |
| @Component |
| public class AtlasADAuthenticationProvider extends |
| AtlasAbstractAuthenticationProvider { |
| private static Logger LOG = LoggerFactory.getLogger(AtlasADAuthenticationProvider.class); |
| |
| private String adURL; |
| private String adDomain; |
| private String adBindDN; |
| private String adBindPassword; |
| private String adUserSearchFilter; |
| private String adBase; |
| private String adReferral; |
| private String adDefaultRole; |
| private boolean groupsFromUGI; |
| |
| @PostConstruct |
| public void setup() { |
| setADProperties(); |
| } |
| |
| @Override |
| public Authentication authenticate(Authentication authentication) { |
| Authentication auth = getADBindAuthentication(authentication); |
| if (auth != null && auth.isAuthenticated()) { |
| return auth; |
| } else { |
| auth = getADAuthentication(authentication); |
| if (auth != null && auth.isAuthenticated()) { |
| return auth; |
| } |
| } |
| if (auth == null) { |
| throw new AtlasAuthenticationException("AD Authentication Failed"); |
| } |
| return auth; |
| } |
| |
| private Authentication getADBindAuthentication (Authentication authentication) { |
| try { |
| String userName = authentication.getName(); |
| String userPassword = ""; |
| if (authentication.getCredentials() != null) { |
| userPassword = authentication.getCredentials().toString(); |
| } |
| |
| LdapContextSource ldapContextSource = new DefaultSpringSecurityContextSource(adURL); |
| ldapContextSource.setUserDn(adBindDN); |
| ldapContextSource.setPassword(adBindPassword); |
| ldapContextSource.setReferral(adReferral); |
| ldapContextSource.setCacheEnvironmentProperties(true); |
| ldapContextSource.setAnonymousReadOnly(false); |
| ldapContextSource.setPooled(true); |
| ldapContextSource.afterPropertiesSet(); |
| |
| if (adUserSearchFilter==null || adUserSearchFilter.trim().isEmpty()) { |
| adUserSearchFilter="(sAMAccountName={0})"; |
| } |
| FilterBasedLdapUserSearch userSearch=new FilterBasedLdapUserSearch(adBase, adUserSearchFilter,ldapContextSource); |
| userSearch.setSearchSubtree(true); |
| |
| BindAuthenticator bindAuthenticator = new BindAuthenticator(ldapContextSource); |
| bindAuthenticator.setUserSearch(userSearch); |
| bindAuthenticator.afterPropertiesSet(); |
| |
| LdapAuthenticationProvider ldapAuthenticationProvider = new LdapAuthenticationProvider(bindAuthenticator); |
| |
| if (userName != null && userPassword != null |
| && !userName.trim().isEmpty() |
| && !userPassword.trim().isEmpty()) { |
| final List<GrantedAuthority> grantedAuths = getAuthorities(userName); |
| final UserDetails principal = new User(userName, userPassword, |
| grantedAuths); |
| final Authentication finalAuthentication = new UsernamePasswordAuthenticationToken( |
| principal, userPassword, grantedAuths); |
| authentication = ldapAuthenticationProvider.authenticate(finalAuthentication); |
| if (groupsFromUGI) { |
| authentication = getAuthenticationWithGrantedAuthorityFromUGI(authentication); |
| } |
| return authentication; |
| } else { |
| LOG.error("AD Authentication Failed userName or userPassword is null or empty"); |
| return null; |
| } |
| } catch (Exception e) { |
| LOG.error("AD Authentication Failed:", e); |
| return null; |
| } |
| } |
| |
| private Authentication getADAuthentication(Authentication authentication) { |
| try { |
| String userName = authentication.getName(); |
| String userPassword = ""; |
| if (authentication.getCredentials() != null) { |
| userPassword = authentication.getCredentials().toString(); |
| } |
| |
| ActiveDirectoryLdapAuthenticationProvider adAuthenticationProvider = |
| new ActiveDirectoryLdapAuthenticationProvider(adDomain, adURL); |
| adAuthenticationProvider.setConvertSubErrorCodesToExceptions(true); |
| adAuthenticationProvider.setUseAuthenticationRequestCredentials(true); |
| |
| if (userName != null && userPassword != null |
| && !userName.trim().isEmpty() |
| && !userPassword.trim().isEmpty()) { |
| final List<GrantedAuthority> grantedAuths = getAuthorities(userName); |
| final UserDetails principal = new User(userName, userPassword, |
| grantedAuths); |
| final Authentication finalAuthentication = new UsernamePasswordAuthenticationToken( |
| principal, userPassword, grantedAuths); |
| authentication = adAuthenticationProvider.authenticate(finalAuthentication); |
| if(groupsFromUGI) { |
| authentication = getAuthenticationWithGrantedAuthorityFromUGI(authentication); |
| } |
| return authentication; |
| } else { |
| LOG.error("AD Authentication Failed userName or userPassword is null or empty"); |
| return null; |
| } |
| } catch (Exception e) { |
| LOG.error("AD Authentication Failed:", e); |
| return null; |
| } |
| } |
| |
| private void setADProperties() { |
| try { |
| |
| Configuration configuration = ApplicationProperties.get(); |
| Properties properties = ConfigurationConverter.getProperties(configuration.subset("atlas.authentication.method.ldap.ad")); |
| this.adDomain = properties.getProperty("domain"); |
| this.adURL = properties.getProperty("url"); |
| this.adBindDN = properties.getProperty("bind.dn"); |
| this.adBindPassword = properties.getProperty("bind.password"); |
| this.adUserSearchFilter = properties.getProperty("user.searchfilter"); |
| this.adBase = properties.getProperty("base.dn"); |
| this.adReferral = properties.getProperty("referral"); |
| this.adDefaultRole = properties.getProperty("default.role"); |
| |
| this.groupsFromUGI = configuration.getBoolean("atlas.authentication.method.ldap.ugi-groups", true); |
| |
| if(LOG.isDebugEnabled()) { |
| LOG.debug("AtlasADAuthenticationProvider{" + |
| "adURL='" + adURL + '\'' + |
| ", adDomain='" + adDomain + '\'' + |
| ", adBindDN='" + adBindDN + '\'' + |
| ", adUserSearchFilter='" + adUserSearchFilter + '\'' + |
| ", adBase='" + adBase + '\'' + |
| ", adReferral='" + adReferral + '\'' + |
| ", adDefaultRole='" + adDefaultRole + '\'' + |
| ", groupsFromUGI=" + groupsFromUGI + |
| '}'); |
| } |
| |
| |
| } catch (Exception e) { |
| LOG.error("Exception while setADProperties", e); |
| } |
| } |
| |
| } |