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| | | /*
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| | | * Copyright 2012 John Crygier
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| | | * Copyright 2012 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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| | |
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| | | import java.io.File;
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| | | import java.net.URI;
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| | | import java.net.URISyntaxException;
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| | | import java.security.GeneralSecurityException;
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| | | import java.util.List;
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| | |
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| | | import org.slf4j.Logger;
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| | | import org.slf4j.LoggerFactory;
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| | |
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| | | import com.gitblit.models.TeamModel;
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| | | import com.gitblit.models.UserModel;
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| | | import com.gitblit.utils.StringUtils;
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| | | import com.unboundid.ldap.sdk.Attribute;
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| | | import com.unboundid.ldap.sdk.LDAPConnection;
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| | | import com.unboundid.ldap.sdk.LDAPException;
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| | | import com.unboundid.ldap.sdk.LDAPSearchException;
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| | | import com.unboundid.ldap.sdk.SearchResult;
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| | | import com.unboundid.ldap.sdk.SearchResultEntry;
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| | | import com.unboundid.ldap.sdk.SearchScope;
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| | | import com.unboundid.util.ssl.SSLUtil;
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| | | import com.unboundid.util.ssl.TrustAllTrustManager;
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| | |
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| | | /**
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| | | * Implementation of an LDAP user service.
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| | | * |
| | | * @author John Crygier
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| | | */
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| | | public class LdapUserService extends GitblitUserService {
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| | |
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| | | public static final Logger logger = LoggerFactory.getLogger(LdapUserService.class);
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| | | |
| | | private IStoredSettings settings;
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| | |
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| | | public LdapUserService() {
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| | | super();
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| | | }
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| | |
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| | | @Override
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| | | public void setup(IStoredSettings settings) {
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| | | this.settings = settings;
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| | | String file = settings.getString(Keys.realm.ldap_backingUserService, "users.conf");
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| | | File realmFile = GitBlit.getFileOrFolder(file);
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| | |
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| | | serviceImpl = createUserService(realmFile);
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| | | logger.info("LDAP User Service backed by " + serviceImpl.toString());
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| | | }
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| | | |
| | | private LDAPConnection getLdapConnection() {
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| | | try {
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| | | URI ldapUrl = new URI(settings.getRequiredString(Keys.realm.ldap_server));
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| | | String bindUserName = settings.getString(Keys.realm.ldap_username, "");
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| | | String bindPassword = settings.getString(Keys.realm.ldap_password, "");
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| | | int ldapPort = ldapUrl.getPort();
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| | | |
| | | if (ldapUrl.getScheme().equalsIgnoreCase("ldaps")) { // SSL
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| | | if (ldapPort == -1) // Default Port
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| | | ldapPort = 636;
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| | | |
| | | SSLUtil sslUtil = new SSLUtil(new TrustAllTrustManager()); |
| | | return new LDAPConnection(sslUtil.createSSLSocketFactory(), ldapUrl.getHost(), ldapPort, bindUserName, bindPassword);
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| | | } else {
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| | | if (ldapPort == -1) // Default Port
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| | | ldapPort = 389;
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| | | |
| | | return new LDAPConnection(ldapUrl.getHost(), ldapPort, bindUserName, bindPassword);
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| | | }
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| | | } catch (URISyntaxException e) {
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| | | logger.error("Bad LDAP URL, should be in the form: ldap(s)://<server>:<port>", e);
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| | | } catch (GeneralSecurityException e) {
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| | | logger.error("Unable to create SSL Connection", e);
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| | | } catch (LDAPException e) {
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| | | logger.error("Error Connecting to LDAP", e);
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| | | }
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| | | |
| | | return null;
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| | | }
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| | | |
| | | /**
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| | | * Credentials are defined in the LDAP server and can not be manipulated
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| | | * from Gitblit.
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| | | *
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| | | * @return false
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| | | * @since 1.0.0
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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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| | | |
| | | /**
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| | | * If the LDAP server will maintain team memberships then LdapUserService
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| | | * will not allow team membership changes. In this scenario all team
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| | | * changes must be made on the LDAP server by the LDAP administrator.
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| | | * |
| | | * @return true or false
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| | | * @since 1.0.0
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| | | */ |
| | | public boolean supportsTeamMembershipChanges() {
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| | | return !settings.getBoolean(Keys.realm.ldap_maintainTeams, false);
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| | | }
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| | |
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| | | /**
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| | | * Does the user service support cookie authentication?
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| | | * |
| | | * @return true or false
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| | | */
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| | | @Override
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| | | public boolean supportsCookies() {
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| | | // TODO cookies need to be reviewed
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| | | return false;
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| | | }
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| | |
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| | | @Override
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| | | public UserModel authenticate(String username, char[] password) {
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| | | String simpleUsername = getSimpleUsername(username);
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| | | |
| | | LDAPConnection ldapConnection = getLdapConnection(); |
| | | if (ldapConnection != null) {
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| | | // Find the logging in user's DN
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| | | String accountBase = settings.getString(Keys.realm.ldap_accountBase, "");
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| | | String accountPattern = settings.getString(Keys.realm.ldap_accountPattern, "(&(objectClass=person)(sAMAccountName=${username}))");
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| | | accountPattern = StringUtils.replace(accountPattern, "${username}", simpleUsername);
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| | |
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| | | SearchResult result = doSearch(ldapConnection, accountBase, accountPattern);
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| | | if (result != null && result.getEntryCount() == 1) {
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| | | SearchResultEntry loggingInUser = result.getSearchEntries().get(0);
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| | | String loggingInUserDN = loggingInUser.getDN();
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| | | |
| | | if (isAuthenticated(ldapConnection, loggingInUserDN, new String(password))) {
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| | | logger.debug("Authenitcated: " + username);
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| | | |
| | | UserModel user = getUserModel(simpleUsername);
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| | | if (user == null) // create user object for new authenticated user
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| | | user = createUserFromLdap(simpleUsername, loggingInUser);
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| | | |
| | | user.password = "StoredInLDAP";
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| | | |
| | | if (!supportsTeamMembershipChanges())
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| | | getTeamsFromLdap(ldapConnection, simpleUsername, loggingInUser, user);
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| | | |
| | | // Get Admin Attributes
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| | | setAdminAttribute(user);
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| | |
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| | | // Push the ldap looked up values to backing file
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| | | super.updateUserModel(user);
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| | | if (!supportsTeamMembershipChanges()) {
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| | | for (TeamModel userTeam : user.teams)
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| | | updateTeamModel(userTeam);
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| | | }
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| | | |
| | | return user;
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| | | }
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| | | }
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| | | }
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| | | |
| | | return null; |
| | | }
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| | |
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| | | private void setAdminAttribute(UserModel user) {
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| | | user.canAdmin = false;
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| | | List<String> admins = settings.getStrings(Keys.realm.ldap_admins);
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| | | for (String admin : admins) {
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| | | if (admin.startsWith("@")) { // Team
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| | | if (user.getTeam(admin.substring(1)) != null)
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| | | user.canAdmin = true;
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| | | } else
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| | | if (user.getName().equalsIgnoreCase(admin))
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| | | user.canAdmin = true;
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| | | }
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| | | }
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| | |
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| | | private void getTeamsFromLdap(LDAPConnection ldapConnection, String simpleUsername, SearchResultEntry loggingInUser, UserModel user) {
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| | | String loggingInUserDN = loggingInUser.getDN();
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| | | |
| | | user.teams.clear(); // Clear the users team memberships - we're going to get them from LDAP
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| | | String groupBase = settings.getString(Keys.realm.ldap_groupBase, "");
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| | | String groupMemberPattern = settings.getString(Keys.realm.ldap_groupMemberPattern, "(&(objectClass=group)(member=${dn}))");
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| | | |
| | | groupMemberPattern = StringUtils.replace(groupMemberPattern, "${dn}", loggingInUserDN);
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| | | groupMemberPattern = StringUtils.replace(groupMemberPattern, "${username}", simpleUsername);
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| | | |
| | | // Fill in attributes into groupMemberPattern
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| | | for (Attribute userAttribute : loggingInUser.getAttributes())
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| | | groupMemberPattern = StringUtils.replace(groupMemberPattern, "${" + userAttribute.getName() + "}", userAttribute.getValue());
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| | | |
| | | SearchResult teamMembershipResult = doSearch(ldapConnection, groupBase, groupMemberPattern);
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| | | if (teamMembershipResult != null && teamMembershipResult.getEntryCount() > 0) {
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| | | for (int i = 0; i < teamMembershipResult.getEntryCount(); i++) {
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| | | SearchResultEntry teamEntry = teamMembershipResult.getSearchEntries().get(i);
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| | | String teamName = teamEntry.getAttribute("cn").getValue();
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| | | |
| | | TeamModel teamModel = getTeamModel(teamName);
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| | | if (teamModel == null)
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| | | teamModel = createTeamFromLdap(teamEntry);
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| | | |
| | | user.teams.add(teamModel);
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| | | teamModel.addUser(user.getName());
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| | | }
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| | | }
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| | | }
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| | | |
| | | private TeamModel createTeamFromLdap(SearchResultEntry teamEntry) {
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| | | TeamModel answer = new TeamModel(teamEntry.getAttributeValue("cn"));
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| | | // If attributes other than team name ever from from LDAP, this is where to get them
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| | | |
| | | return answer; |
| | | }
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| | | |
| | | private UserModel createUserFromLdap(String simpleUserName, SearchResultEntry userEntry) {
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| | | UserModel answer = new UserModel(simpleUserName);
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| | | //If attributes other than user name ever from from LDAP, this is where to get them
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| | | |
| | | return answer;
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| | | }
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| | |
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| | | private SearchResult doSearch(LDAPConnection ldapConnection, String base, String filter) {
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| | | try {
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| | | return ldapConnection.search(base, SearchScope.SUB, filter);
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| | | } catch (LDAPSearchException e) {
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| | | logger.error("Problem Searching LDAP", e);
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| | | |
| | | return null;
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| | | }
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| | | }
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| | | |
| | | private boolean isAuthenticated(LDAPConnection ldapConnection, String userDn, String password) {
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| | | try {
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| | | ldapConnection.bind(userDn, password);
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| | | return true;
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| | | } catch (LDAPException e) {
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| | | logger.error("Error authenitcating user", e);
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| | | return false;
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| | | }
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| | | }
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| | |
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| | | |
| | | /**
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| | | * Returns a simple username without any domain prefixes.
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| | | * |
| | | * @param username
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| | | * @return a simple username
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| | | */
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| | | protected String getSimpleUsername(String username) {
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| | | int lastSlash = username.lastIndexOf('\\');
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| | | if (lastSlash > -1) {
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| | | username = username.substring(lastSlash + 1);
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| | | }
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| | | return username;
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| | | }
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| | | }
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