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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.auth.ldap;
import java.util.Map;
import javax.annotation.Nullable;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.SearchResult;
import org.sonar.api.server.ServerSide;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static java.lang.String.format;
/**
* @author Evgeny Mandrikov
*/
@ServerSide
public class DefaultLdapUsersProvider implements LdapUsersProvider {
private static final Logger LOG = LoggerFactory.getLogger(DefaultLdapUsersProvider.class);
private final Map<String, LdapContextFactory> contextFactories;
private final Map<String, LdapUserMapping> userMappings;
public DefaultLdapUsersProvider(Map<String, LdapContextFactory> contextFactories, Map<String, LdapUserMapping> userMappings) {
this.contextFactories = contextFactories;
this.userMappings = userMappings;
}
private static String getAttributeValue(@Nullable Attribute attribute) throws NamingException {
if (attribute == null) {
return "";
}
return (String) attribute.get();
}
@Override
public LdapUserDetails doGetUserDetails(Context context) {
return getUserDetails(context.serverKey(), context.username());
}
/**
* @return details for specified user, or null if such user doesn't exist
* @throws LdapException if unable to retrieve details
*/
private LdapUserDetails getUserDetails(String serverKey, String username) {
LOG.debug("Requesting details for user {}", username);
// If there are no userMappings available, we can not retrieve user details.
LdapUserMapping ldapUserMapping = userMappings.get(serverKey);
if (ldapUserMapping == null) {
String errorMessage = format("Unable to retrieve details for user %s and server key %s: No user mapping found.", username, serverKey);
LOG.debug(errorMessage);
throw new LdapException(errorMessage);
}
SearchResult searchResult;
try {
searchResult = ldapUserMapping.createSearch(contextFactories.get(serverKey), username)
.returns(ldapUserMapping.getEmailAttribute(), ldapUserMapping.getRealNameAttribute())
.findUnique();
if (searchResult != null) {
return mapUserDetails(ldapUserMapping, searchResult);
} else {
LOG.debug("User {} not found in {}", username, serverKey);
return null;
}
} catch (NamingException e) {
// just in case if Sonar silently swallowed exception
LOG.debug(e.getMessage(), e);
throw new LdapException("Unable to retrieve details for user " + username + " in " + serverKey, e);
}
}
private static LdapUserDetails mapUserDetails(LdapUserMapping ldapUserMapping, SearchResult searchResult) throws NamingException {
Attributes attributes = searchResult.getAttributes();
LdapUserDetails details;
details = new LdapUserDetails();
details.setName(getAttributeValue(attributes.get(ldapUserMapping.getRealNameAttribute())));
details.setEmail(getAttributeValue(attributes.get(ldapUserMapping.getEmailAttribute())));
return details;
}
}
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