| /* |
| * 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.uima.ducc.ws.authentication; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.uima.ducc.common.authentication.AuthenticationResult; |
| import org.apache.uima.ducc.common.authentication.IAuthenticationManager; |
| import org.apache.uima.ducc.common.authentication.IAuthenticationResult; |
| import org.apache.uima.ducc.common.utils.DuccPropertiesResolver; |
| |
| public class LinuxAuthenticationManager implements IAuthenticationManager { |
| |
| private static IAuthenticationManager instance = new LinuxAuthenticationManager(); |
| |
| private String version = "ducc linux 1.0"; |
| |
| private DuccPropertiesResolver duccPropertiesResolver = DuccPropertiesResolver.getInstance(); |
| |
| private ConcurrentHashMap<String,String[]> userGroupsCache = new ConcurrentHashMap<String,String[]>(); |
| |
| public static IAuthenticationManager getInstance() { |
| return instance; |
| } |
| |
| @Override |
| public String getVersion() { |
| return version; |
| } |
| |
| @Override |
| public boolean isPasswordChecked() { |
| return true; |
| } |
| |
| private String getFileProperty(String key) { |
| String retVal = duccPropertiesResolver.getFileProperty(key); |
| return retVal; |
| } |
| |
| private String getProperty(String key) { |
| return getFileProperty(key); |
| } |
| |
| private String removeDelimiters(String string) { |
| String retVal = string; |
| if(retVal == null) { |
| retVal = ""; |
| } |
| else { |
| retVal = retVal.replace(',', ' '); |
| retVal = retVal.replace(';', ' '); |
| retVal = retVal.replace(':', ' '); |
| } |
| return retVal.trim(); |
| } |
| |
| private String transform(String string) { |
| String retVal = removeDelimiters(string); |
| return(retVal); |
| } |
| |
| private boolean finder(String rawNeedle, String rawHaystack) { |
| boolean retVal = false; |
| if(rawNeedle != null) { |
| if(rawHaystack != null) { |
| String needle = " "+rawNeedle+" "; |
| String haystack = " "+rawHaystack+" "; |
| if(haystack.contains(needle)) { |
| retVal = true; |
| } |
| } |
| } |
| return retVal; |
| } |
| |
| private IAuthenticationResult checkUserExcluded(String userid) { |
| IAuthenticationResult retVal = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| if(userid == null) { |
| retVal.setFailure(); |
| retVal.setReason("userid missing"); |
| } |
| else { |
| String uid = transform(userid); |
| String excludeString = transform(getProperty(DuccPropertiesResolver.ducc_authentication_users_exclude)); |
| if(excludeString.trim().length() > 0) { |
| if(finder(uid,excludeString)) { |
| retVal.setFailure(); |
| retVal.setReason("userid excluded"); |
| } |
| } |
| } |
| return retVal; |
| } |
| |
| private IAuthenticationResult checkUserNotIncluded(String userid) { |
| IAuthenticationResult retVal = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| if(userid == null) { |
| retVal.setFailure(); |
| retVal.setReason("userid missing"); |
| } |
| else { |
| String uid = transform(userid); |
| String includeString = transform(getProperty(DuccPropertiesResolver.ducc_authentication_users_include)); |
| if(includeString.trim().length() > 0) { |
| if(!finder(uid,includeString)) { |
| retVal.setFailure(); |
| retVal.setReason("userid not included"); |
| } |
| } |
| } |
| return retVal; |
| } |
| |
| @Override |
| public IAuthenticationResult isAuthenticate(String userid, String domain, String password) { |
| IAuthenticationResult ar = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| try { |
| ar = checkUserExcluded(userid); |
| if(ar.isSuccess()) { |
| ar = checkUserNotIncluded(userid); |
| if(ar.isSuccess()) { |
| String[] args = { userid, password }; |
| UserAuthenticate instance = new UserAuthenticate(); |
| String result = instance.launch(args); |
| // success groups = [group1, group2] |
| if(result.startsWith("success")) { |
| result = result.trim(); |
| result = result.replace("success groups =", ""); |
| result = result.replace("[", ""); |
| result = result.replace("]", ""); |
| result = result.replace(" ", ""); |
| String[] groups = result.split(","); |
| if(groups != null) { |
| userGroupsCache.put(userid, groups); |
| } |
| else { |
| userGroupsCache.remove(userid); |
| } |
| } |
| // failure pam_authenticate failed: Authentication failure |
| else { |
| ar.setFailure(); |
| result = result.replace("failure pam", "pam"); |
| ar.setReason(result); |
| } |
| } |
| } |
| } |
| catch(Exception e) { |
| ar.setFailure(); |
| ar.setException(e); |
| } |
| return ar; |
| } |
| |
| private IAuthenticationResult checkUserGroupExcluded(String userid) { |
| IAuthenticationResult retVal = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| if(userid == null) { |
| retVal.setFailure(); |
| retVal.setReason("userid missing"); |
| } |
| else { |
| String excludeString = transform(getProperty(DuccPropertiesResolver.ducc_authentication_groups_exclude)); |
| if(excludeString.trim().length() > 0) { |
| String[] userGroups = userGroupsCache.get(userid); |
| if(userGroups == null) { |
| retVal.setFailure(); |
| retVal.setReason("userid has no groups?"); |
| } |
| else { |
| for(String userGroup : userGroups) { |
| if(finder(userGroup,excludeString)) { |
| retVal.setFailure(); |
| retVal.setReason("userid group "+userGroup+" excluded"); |
| break; |
| } |
| } |
| } |
| } |
| } |
| return retVal; |
| } |
| |
| private IAuthenticationResult checkUserGroupNotIncluded(String userid) { |
| IAuthenticationResult retVal = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| if(userid == null) { |
| retVal.setFailure(); |
| retVal.setReason("userid missing"); |
| } |
| else { |
| String includeString = transform(getProperty(DuccPropertiesResolver.ducc_authentication_groups_include)); |
| if(includeString.trim().length() > 0) { |
| String[] userGroups = userGroupsCache.get(userid); |
| if(userGroups == null) { |
| retVal.setFailure(); |
| retVal.setReason("userid has no groups?"); |
| } |
| else { |
| retVal.setFailure(); |
| retVal.setReason("userid has no group included"); |
| for(String userGroup : userGroups) { |
| if(finder(userGroup,includeString)) { |
| retVal = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| break; |
| } |
| } |
| } |
| } |
| } |
| return retVal; |
| } |
| |
| @Override |
| public IAuthenticationResult isGroupMember(String userid, String domain, Role role) { |
| IAuthenticationResult ar = new AuthenticationResult(IAuthenticationResult.SUCCESS); |
| try { |
| ar = checkUserGroupExcluded(userid); |
| if(ar.isSuccess()) { |
| ar = checkUserGroupNotIncluded(userid); |
| } |
| } |
| catch(Exception e) { |
| ar.setFailure(); |
| ar.setException(e); |
| } |
| return ar; |
| } |
| |
| } |