001/* 002 * (C) Copyright 2006-2013 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nelson Silva <nelson.silva@inevo.pt> - initial API and implementation 018 * Nuxeo 019 */ 020package org.nuxeo.ecm.platform.oauth2.openid.auth; 021 022import java.util.List; 023 024import org.apache.commons.lang.RandomStringUtils; 025import org.apache.commons.logging.Log; 026import org.apache.commons.logging.LogFactory; 027import org.nuxeo.ecm.core.api.DocumentModel; 028import org.nuxeo.ecm.core.api.NuxeoException; 029import org.nuxeo.ecm.platform.oauth2.openid.OpenIDConnectProvider; 030import org.nuxeo.ecm.platform.usermanager.UserManager; 031import org.nuxeo.runtime.api.Framework; 032 033public abstract class UserResolver { 034 035 private static final Log log = LogFactory.getLog(UserResolver.class); 036 037 private OpenIDConnectProvider provider; 038 039 public UserResolver(OpenIDConnectProvider provider) { 040 this.provider = provider; 041 } 042 043 public OpenIDConnectProvider getProvider() { 044 return provider; 045 } 046 047 protected abstract String findNuxeoUser(OpenIDUserInfo userInfo); 048 049 protected DocumentModel createNuxeoUser(String nuxeoLogin) { 050 DocumentModel userDoc; 051 052 try { 053 UserManager userManager = Framework.getLocalService(UserManager.class); 054 055 userDoc = userManager.getBareUserModel(); 056 userDoc.setPropertyValue(userManager.getUserIdField(), nuxeoLogin); 057 058 userDoc = userManager.createUser(userDoc); 059 060 } catch (NuxeoException e) { 061 log.error("Error while creating user " + nuxeoLogin + "in UserManager", e); 062 return null; 063 } 064 065 return userDoc; 066 } 067 068 protected abstract DocumentModel updateUserInfo(DocumentModel user, OpenIDUserInfo userInfo); 069 070 public String findOrCreateNuxeoUser(OpenIDUserInfo userInfo) { 071 String user = findNuxeoUser(userInfo); 072 if (user == null) { 073 user = generateRandomUserId(); 074 DocumentModel userDoc = createNuxeoUser(user); 075 updateUserInfo(userDoc, userInfo); 076 } 077 return user; 078 } 079 080 protected String generateRandomUserId() { 081 String userId = null; 082 083 try { 084 UserManager userManager = Framework.getLocalService(UserManager.class); 085 List<String> userIds = userManager.getUserIds(); 086 087 while (userId == null || userIds.contains(userId)) { 088 userId = "user_" + RandomStringUtils.randomNumeric(4); 089 } 090 } catch (NuxeoException e) { 091 log.error("Error while generating random user id", e); 092 return null; 093 } 094 return userId; 095 } 096}