James Moger
2015-11-22 ed552ba47c02779c270ffd62841d6d1048dade70
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/*
 * Copyright 2012 John Crygier
 * Copyright 2012 gitblit.com
 *
 * Licensed 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 com.gitblit.tests;
 
import java.io.File;
import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Map;
 
import org.apache.commons.io.FileUtils;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
 
import com.gitblit.Constants.AccountType;
import com.gitblit.IStoredSettings;
import com.gitblit.Keys;
import com.gitblit.auth.LdapAuthProvider;
import com.gitblit.manager.AuthenticationManager;
import com.gitblit.manager.IUserManager;
import com.gitblit.manager.RuntimeManager;
import com.gitblit.manager.UserManager;
import com.gitblit.models.TeamModel;
import com.gitblit.models.UserModel;
import com.gitblit.tests.mock.MemorySettings;
import com.gitblit.utils.XssFilter;
import com.gitblit.utils.XssFilter.AllowXssFilter;
import com.unboundid.ldap.listener.InMemoryDirectoryServer;
import com.unboundid.ldap.listener.InMemoryDirectoryServerConfig;
import com.unboundid.ldap.listener.InMemoryListenerConfig;
import com.unboundid.ldap.sdk.SearchResult;
import com.unboundid.ldap.sdk.SearchScope;
import com.unboundid.ldif.LDIFReader;
 
/**
 * An Integration test for LDAP that tests going against an in-memory UnboundID
 * LDAP server.
 *
 * @author jcrygier
 *
 */
public class LdapAuthenticationTest extends GitblitUnitTest {
    @Rule
    public TemporaryFolder folder = new TemporaryFolder();
 
    private static final String RESOURCE_DIR = "src/test/resources/ldap/";
 
    private File usersConf;
 
    private LdapAuthProvider ldap;
 
    static int ldapPort = 1389;
 
    private static InMemoryDirectoryServer ds;
 
    private IUserManager userManager;
 
    private AuthenticationManager auth;
 
    private MemorySettings settings;
 
    @BeforeClass
    public static void createInMemoryLdapServer() throws Exception {
        InMemoryDirectoryServerConfig config = new InMemoryDirectoryServerConfig("dc=MyDomain");
        config.addAdditionalBindCredentials("cn=Directory Manager", "password");
        config.setListenerConfigs(InMemoryListenerConfig.createLDAPConfig("default", ldapPort));
        config.setSchema(null);
 
        ds = new InMemoryDirectoryServer(config);
        ds.startListening();
    }
 
    @Before
    public void init() throws Exception {
        ds.clear();
        ds.importFromLDIF(true, new LDIFReader(new FileInputStream(RESOURCE_DIR + "sampledata.ldif")));
        usersConf = folder.newFile("users.conf");
        FileUtils.copyFile(new File(RESOURCE_DIR + "users.conf"), usersConf);
        settings = getSettings();
        ldap = newLdapAuthentication(settings);
        auth = newAuthenticationManager(settings);
    }
 
    private LdapAuthProvider newLdapAuthentication(IStoredSettings settings) {
        XssFilter xssFilter = new AllowXssFilter();
        RuntimeManager runtime = new RuntimeManager(settings, xssFilter, GitBlitSuite.BASEFOLDER).start();
        userManager = new UserManager(runtime, null).start();
        LdapAuthProvider ldap = new LdapAuthProvider();
        ldap.setup(runtime, userManager);
        return ldap;
    }
 
    private AuthenticationManager newAuthenticationManager(IStoredSettings settings) {
        XssFilter xssFilter = new AllowXssFilter();
        RuntimeManager runtime = new RuntimeManager(settings, xssFilter, GitBlitSuite.BASEFOLDER).start();
        AuthenticationManager auth = new AuthenticationManager(runtime, userManager);
        auth.addAuthenticationProvider(newLdapAuthentication(settings));
        return auth;
    }
 
    private MemorySettings getSettings() {
        Map<String, Object> backingMap = new HashMap<String, Object>();
        backingMap.put(Keys.realm.userService, usersConf.getAbsolutePath());
        backingMap.put(Keys.realm.ldap.server, "ldap://localhost:" + ldapPort);
//        backingMap.put(Keys.realm.ldap.domain, "");
        backingMap.put(Keys.realm.ldap.username, "cn=Directory Manager");
        backingMap.put(Keys.realm.ldap.password, "password");
//        backingMap.put(Keys.realm.ldap.backingUserService, "users.conf");
        backingMap.put(Keys.realm.ldap.maintainTeams, "true");
        backingMap.put(Keys.realm.ldap.accountBase, "OU=Users,OU=UserControl,OU=MyOrganization,DC=MyDomain");
        backingMap.put(Keys.realm.ldap.accountPattern, "(&(objectClass=person)(sAMAccountName=${username}))");
        backingMap.put(Keys.realm.ldap.groupBase, "OU=Groups,OU=UserControl,OU=MyOrganization,DC=MyDomain");
        backingMap.put(Keys.realm.ldap.groupMemberPattern, "(&(objectClass=group)(member=${dn}))");
        backingMap.put(Keys.realm.ldap.admins, "UserThree @Git_Admins \"@Git Admins\"");
        backingMap.put(Keys.realm.ldap.displayName, "displayName");
        backingMap.put(Keys.realm.ldap.email, "email");
        backingMap.put(Keys.realm.ldap.uid, "sAMAccountName");
 
        MemorySettings ms = new MemorySettings(backingMap);
        return ms;
    }
 
    @Test
    public void testAuthenticate() {
        UserModel userOneModel = ldap.authenticate("UserOne", "userOnePassword".toCharArray());
        assertNotNull(userOneModel);
        assertNotNull(userOneModel.getTeam("git_admins"));
        assertNotNull(userOneModel.getTeam("git_users"));
        assertTrue(userOneModel.canAdmin);
 
        UserModel userOneModelFailedAuth = ldap.authenticate("UserOne", "userTwoPassword".toCharArray());
        assertNull(userOneModelFailedAuth);
 
        UserModel userTwoModel = ldap.authenticate("UserTwo", "userTwoPassword".toCharArray());
        assertNotNull(userTwoModel);
        assertNotNull(userTwoModel.getTeam("git_users"));
        assertNull(userTwoModel.getTeam("git_admins"));
        assertNotNull(userTwoModel.getTeam("git admins"));
        assertTrue(userTwoModel.canAdmin);
 
        UserModel userThreeModel = ldap.authenticate("UserThree", "userThreePassword".toCharArray());
        assertNotNull(userThreeModel);
        assertNotNull(userThreeModel.getTeam("git_users"));
        assertNull(userThreeModel.getTeam("git_admins"));
        assertTrue(userThreeModel.canAdmin);
    }
 
    @Test
    public void testDisplayName() {
        UserModel userOneModel = ldap.authenticate("UserOne", "userOnePassword".toCharArray());
        assertNotNull(userOneModel);
        assertEquals("User One", userOneModel.displayName);
 
        // Test more complicated scenarios - concat
        MemorySettings ms = getSettings();
        ms.put("realm.ldap.displayName", "${personalTitle}. ${givenName} ${surname}");
        ldap = newLdapAuthentication(ms);
 
        userOneModel = ldap.authenticate("UserOne", "userOnePassword".toCharArray());
        assertNotNull(userOneModel);
        assertEquals("Mr. User One", userOneModel.displayName);
    }
 
    @Test
    public void testEmail() {
        UserModel userOneModel = ldap.authenticate("UserOne", "userOnePassword".toCharArray());
        assertNotNull(userOneModel);
        assertEquals("userone@gitblit.com", userOneModel.emailAddress);
 
        // Test more complicated scenarios - concat
        MemorySettings ms = getSettings();
        ms.put("realm.ldap.email", "${givenName}.${surname}@gitblit.com");
        ldap = newLdapAuthentication(ms);
 
        userOneModel = ldap.authenticate("UserOne", "userOnePassword".toCharArray());
        assertNotNull(userOneModel);
        assertEquals("User.One@gitblit.com", userOneModel.emailAddress);
    }
 
    @Test
    public void testLdapInjection() {
        // Inject so "(&(objectClass=person)(sAMAccountName=${username}))" becomes "(&(objectClass=person)(sAMAccountName=*)(userPassword=userOnePassword))"
        // Thus searching by password
 
        UserModel userOneModel = ldap.authenticate("*)(userPassword=userOnePassword", "userOnePassword".toCharArray());
        assertNull(userOneModel);
    }
 
    @Test
    public void checkIfUsersConfContainsAllUsersFromSampleDataLdif() throws Exception {
        SearchResult searchResult = ds.search("OU=Users,OU=UserControl,OU=MyOrganization,DC=MyDomain", SearchScope.SUB, "objectClass=person");
        assertEquals("Number of ldap users in gitblit user model", searchResult.getEntryCount(), countLdapUsersInUserManager());
    }
 
    @Test
    public void addingUserInLdapShouldNotUpdateGitBlitUsersAndGroups() throws Exception {
        ds.addEntries(LDIFReader.readEntries(RESOURCE_DIR + "adduser.ldif"));
        ldap.sync();
        assertEquals("Number of ldap users in gitblit user model", 5, countLdapUsersInUserManager());
    }
 
    @Test
    public void addingUserInLdapShouldUpdateGitBlitUsersAndGroups() throws Exception {
        settings.put(Keys.realm.ldap.synchronize, "true");
        ds.addEntries(LDIFReader.readEntries(RESOURCE_DIR + "adduser.ldif"));
        ldap.sync();
        assertEquals("Number of ldap users in gitblit user model", 6, countLdapUsersInUserManager());
    }
 
    @Test
    public void addingGroupsInLdapShouldNotUpdateGitBlitUsersAndGroups() throws Exception {
        ds.addEntries(LDIFReader.readEntries(RESOURCE_DIR + "addgroup.ldif"));
        ldap.sync();
        assertEquals("Number of ldap groups in gitblit team model", 0, countLdapTeamsInUserManager());
    }
 
    @Test
    public void addingGroupsInLdapShouldUpdateGitBlitUsersAndGroups() throws Exception {
        settings.put(Keys.realm.ldap.synchronize, "true");
        ds.addEntries(LDIFReader.readEntries(RESOURCE_DIR + "addgroup.ldif"));
        ldap.sync();
        assertEquals("Number of ldap groups in gitblit team model", 1, countLdapTeamsInUserManager());
    }
 
    @Test
    public void testAuthenticationManager() {
        UserModel userOneModel = auth.authenticate("UserOne", "userOnePassword".toCharArray(), null);
        assertNotNull(userOneModel);
        assertNotNull(userOneModel.getTeam("git_admins"));
        assertNotNull(userOneModel.getTeam("git_users"));
        assertTrue(userOneModel.canAdmin);
 
        UserModel userOneModelFailedAuth = auth.authenticate("UserOne", "userTwoPassword".toCharArray(), null);
        assertNull(userOneModelFailedAuth);
 
        UserModel userTwoModel = auth.authenticate("UserTwo", "userTwoPassword".toCharArray(), null);
        assertNotNull(userTwoModel);
        assertNotNull(userTwoModel.getTeam("git_users"));
        assertNull(userTwoModel.getTeam("git_admins"));
        assertNotNull(userTwoModel.getTeam("git admins"));
        assertTrue(userTwoModel.canAdmin);
 
        UserModel userThreeModel = auth.authenticate("UserThree", "userThreePassword".toCharArray(), null);
        assertNotNull(userThreeModel);
        assertNotNull(userThreeModel.getTeam("git_users"));
        assertNull(userThreeModel.getTeam("git_admins"));
        assertTrue(userThreeModel.canAdmin);
    }
 
    @Test
    public void testBindWithUser() {
        settings.put(Keys.realm.ldap.bindpattern, "CN=${username},OU=US,OU=Users,OU=UserControl,OU=MyOrganization,DC=MyDomain");
        settings.put(Keys.realm.ldap.username, "");
        settings.put(Keys.realm.ldap.password, "");
 
        UserModel userOneModel = auth.authenticate("UserOne", "userOnePassword".toCharArray(), null);
        assertNotNull(userOneModel);
 
        UserModel userOneModelFailedAuth = auth.authenticate("UserOne", "userTwoPassword".toCharArray(), null);
        assertNull(userOneModelFailedAuth);
    }
 
    private int countLdapUsersInUserManager() {
        int ldapAccountCount = 0;
        for (UserModel userModel : userManager.getAllUsers()) {
            if (AccountType.LDAP.equals(userModel.accountType)) {
                ldapAccountCount++;
            }
        }
        return ldapAccountCount;
    }
 
    private int countLdapTeamsInUserManager() {
        int ldapAccountCount = 0;
        for (TeamModel teamModel : userManager.getAllTeams()) {
            if (AccountType.LDAP.equals(teamModel.accountType)) {
                ldapAccountCount++;
            }
        }
        return ldapAccountCount;
    }
 
}