| /** |
| * 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 javax.annotation.PostConstruct; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.beans.factory.annotation.Autowired; |
| import org.springframework.security.core.Authentication; |
| import org.springframework.security.core.AuthenticationException; |
| import org.springframework.stereotype.Component; |
| import org.apache.atlas.ApplicationProperties; |
| import org.apache.commons.configuration.Configuration; |
| |
| @Component |
| public class AtlasAuthenticationProvider extends |
| AtlasAbstractAuthenticationProvider { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(AtlasAuthenticationProvider.class); |
| |
| private boolean fileAuthenticationMethodEnabled = true; |
| private String ldapType = "NONE"; |
| public static final String FILE_AUTH_METHOD = "atlas.authentication.method.file"; |
| public static final String LDAP_AUTH_METHOD = "atlas.authentication.method.ldap"; |
| public static final String LDAP_TYPE = "atlas.authentication.method.ldap.type"; |
| |
| |
| |
| private boolean ssoEnabled = false; |
| |
| @Autowired |
| AtlasLdapAuthenticationProvider ldapAuthenticationProvider; |
| |
| @Autowired |
| AtlasFileAuthenticationProvider fileAuthenticationProvider; |
| |
| @Autowired |
| AtlasADAuthenticationProvider adAuthenticationProvider; |
| |
| @PostConstruct |
| void setAuthenticationMethod() { |
| try { |
| Configuration configuration = ApplicationProperties.get(); |
| |
| this.fileAuthenticationMethodEnabled = configuration.getBoolean( |
| FILE_AUTH_METHOD, true); |
| |
| boolean ldapAuthenticationEnabled = configuration.getBoolean(LDAP_AUTH_METHOD, false); |
| |
| if (ldapAuthenticationEnabled) { |
| this.ldapType = configuration.getString(LDAP_TYPE, "NONE"); |
| } else { |
| this.ldapType = "NONE"; |
| } |
| } catch (Exception e) { |
| LOG.error("Error while getting atlas.login.method application properties", e); |
| } |
| } |
| |
| @Override |
| public Authentication authenticate(Authentication authentication) |
| throws AuthenticationException { |
| |
| if(ssoEnabled){ |
| if (authentication != null){ |
| authentication = getSSOAuthentication(authentication); |
| if(authentication!=null && authentication.isAuthenticated()){ |
| return authentication; |
| } |
| } |
| } else { |
| |
| if (ldapType.equalsIgnoreCase("LDAP")) { |
| try { |
| authentication = ldapAuthenticationProvider.authenticate(authentication); |
| } catch (Exception ex) { |
| LOG.error("Error while LDAP authentication", ex); |
| } |
| } else if (ldapType.equalsIgnoreCase("AD")) { |
| try { |
| authentication = adAuthenticationProvider.authenticate(authentication); |
| } catch (Exception ex) { |
| LOG.error("Error while AD authentication", ex); |
| } |
| } |
| } |
| |
| if (authentication != null) { |
| if (authentication.isAuthenticated()) { |
| return authentication; |
| } else if (fileAuthenticationMethodEnabled) { // If the LDAP/AD authentication fails try the local filebased login method |
| authentication = fileAuthenticationProvider.authenticate(authentication); |
| |
| if (authentication != null && authentication.isAuthenticated()) { |
| return authentication; |
| } |
| } |
| } |
| |
| LOG.error("Authentication failed."); |
| throw new AtlasAuthenticationException("Authentication failed."); |
| } |
| |
| public boolean isSsoEnabled() { |
| return ssoEnabled; |
| } |
| |
| public void setSsoEnabled(boolean ssoEnabled) { |
| this.ssoEnabled = ssoEnabled; |
| } |
| |
| private Authentication getSSOAuthentication(Authentication authentication) throws AuthenticationException{ |
| return authentication; |
| } |
| } |