/*
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* Copyright 2013 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit;
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import java.io.File;
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import java.util.Set;
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import java.util.TreeSet;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import waffle.windows.auth.IWindowsAccount;
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import waffle.windows.auth.IWindowsAuthProvider;
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import waffle.windows.auth.IWindowsComputer;
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import waffle.windows.auth.IWindowsIdentity;
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import waffle.windows.auth.impl.WindowsAuthProviderImpl;
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import com.gitblit.Constants.AccountType;
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import com.gitblit.manager.IRuntimeManager;
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import com.gitblit.models.UserModel;
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import com.gitblit.utils.ArrayUtils;
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import com.gitblit.utils.StringUtils;
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import com.sun.jna.platform.win32.Win32Exception;
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/**
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* Implementation of a Windows user service.
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*
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* @author James Moger
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*/
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public class WindowsUserService extends GitblitUserService {
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private final Logger logger = LoggerFactory.getLogger(WindowsUserService.class);
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private IStoredSettings settings;
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private IWindowsAuthProvider waffle;
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public WindowsUserService() {
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super();
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}
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@Override
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public void setup(IRuntimeManager runtimeManager) {
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this.settings = runtimeManager.getSettings();
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String file = settings.getString(Keys.realm.windows.backingUserService, "${baseFolder}/users.conf");
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File realmFile = runtimeManager.getFileOrFolder(file);
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serviceImpl = createUserService(realmFile);
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logger.info("Windows User Service backed by " + serviceImpl.toString());
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waffle = new WindowsAuthProviderImpl();
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IWindowsComputer computer = waffle.getCurrentComputer();
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logger.info(" name = " + computer.getComputerName());
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logger.info(" status = " + describeJoinStatus(computer.getJoinStatus()));
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logger.info(" memberOf = " + computer.getMemberOf());
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//logger.info(" groups = " + Arrays.asList(computer.getGroups()));
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}
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protected String describeJoinStatus(String value) {
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if ("NetSetupUnknownStatus".equals(value)) {
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return "unknown";
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} else if ("NetSetupUnjoined".equals(value)) {
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return "not joined";
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} else if ("NetSetupWorkgroupName".equals(value)) {
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return "joined to a workgroup";
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} else if ("NetSetupDomainName".equals(value)) {
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return "joined to a domain";
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}
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return value;
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}
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@Override
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public boolean supportsCredentialChanges() {
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return false;
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}
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@Override
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public boolean supportsDisplayNameChanges() {
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return false;
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}
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@Override
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public boolean supportsEmailAddressChanges() {
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return true;
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}
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@Override
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public boolean supportsTeamMembershipChanges() {
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return true;
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}
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@Override
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public AccountType getAccountType() {
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return AccountType.WINDOWS;
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}
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@Override
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public UserModel authenticate(String username, char[] password) {
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if (isLocalAccount(username)) {
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// local account, bypass Windows authentication
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return super.authenticate(username, password);
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}
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String defaultDomain = settings.getString(Keys.realm.windows.defaultDomain, null);
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if (StringUtils.isEmpty(defaultDomain)) {
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// ensure that default domain is null
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defaultDomain = null;
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}
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if (defaultDomain != null) {
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// sanitize username
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if (username.startsWith(defaultDomain + "\\")) {
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// strip default domain from domain\ username
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username = username.substring(defaultDomain.length() + 1);
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} else if (username.endsWith("@" + defaultDomain)) {
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// strip default domain from username@domain
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username = username.substring(0, username.lastIndexOf('@'));
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}
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}
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IWindowsIdentity identity = null;
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try {
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if (username.indexOf('@') > -1 || username.indexOf('\\') > -1) {
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// manually specified domain
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identity = waffle.logonUser(username, new String(password));
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} else {
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// no domain specified, use default domain
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identity = waffle.logonDomainUser(username, defaultDomain, new String(password));
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}
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} catch (Win32Exception e) {
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logger.error(e.getMessage());
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return null;
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}
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if (identity.isGuest() && !settings.getBoolean(Keys.realm.windows.allowGuests, false)) {
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logger.warn("Guest account access is disabled");
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identity.dispose();
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return null;
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}
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UserModel user = getUserModel(username);
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if (user == null) // create user object for new authenticated user
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user = new UserModel(username.toLowerCase());
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// create a user cookie
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if (StringUtils.isEmpty(user.cookie) && !ArrayUtils.isEmpty(password)) {
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user.cookie = StringUtils.getSHA1(user.username + new String(password));
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}
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// update user attributes from Windows identity
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user.accountType = getAccountType();
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String fqn = identity.getFqn();
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if (fqn.indexOf('\\') > -1) {
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user.displayName = fqn.substring(fqn.lastIndexOf('\\') + 1);
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} else {
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user.displayName = fqn;
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}
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user.password = Constants.EXTERNAL_ACCOUNT;
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Set<String> groupNames = new TreeSet<String>();
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for (IWindowsAccount group : identity.getGroups()) {
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groupNames.add(group.getFqn());
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}
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if (groupNames.contains("BUILTIN\\Administrators")) {
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// local administrator
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user.canAdmin = true;
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}
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// TODO consider mapping Windows groups to teams
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// push the changes to the backing user service
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super.updateUserModel(user);
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// cleanup resources
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identity.dispose();
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return user;
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}
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}
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