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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.Arrays;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.SearchResult;
import org.apache.commons.lang3.StringUtils;
import org.sonar.api.config.Configuration;
/**
* @author Evgeny Mandrikov
*/
public class LdapGroupMapping {
private static final String DEFAULT_ID_ATTRIBUTE = "cn";
private static final String DEFAULT_REQUEST = "(&(objectClass=groupOfUniqueNames)(uniqueMember={dn}))";
private final String baseDn;
private final String idAttribute;
private final String request;
private final String[] requiredUserAttributes;
/**
* Constructs mapping from Sonar settings.
*/
public LdapGroupMapping(Configuration config, String settingsPrefix) {
this.baseDn = config.get(settingsPrefix + ".group.baseDn").orElse(null);
this.idAttribute = config.get(settingsPrefix + ".group.idAttribute").orElse(DEFAULT_ID_ATTRIBUTE);
String req = config.get(settingsPrefix + ".group.request").orElse(DEFAULT_REQUEST);
this.requiredUserAttributes = StringUtils.substringsBetween(req, "{", "}");
for (int i = 0; i < requiredUserAttributes.length; i++) {
req = StringUtils.replace(req, "{" + requiredUserAttributes[i] + "}", "{" + i + "}");
}
this.request = req;
}
/**
* Search for this mapping.
*/
public LdapSearch createSearch(LdapContextFactory contextFactory, SearchResult user) {
String[] attrs = getRequiredUserAttributes();
String[] parameters = new String[attrs.length];
for (int i = 0; i < parameters.length; i++) {
String attr = attrs[i];
if ("dn".equals(attr)) {
parameters[i] = user.getNameInNamespace();
} else {
parameters[i] = getAttributeValue(user, attr);
}
}
return new LdapSearch(contextFactory)
.setBaseDn(getBaseDn())
.setRequest(getRequest())
.setParameters(parameters)
.returns(getIdAttribute());
}
private static String getAttributeValue(SearchResult user, String attributeId) {
Attribute attribute = user.getAttributes().get(attributeId);
if (attribute == null) {
return null;
}
try {
return (String) attribute.get();
} catch (NamingException e) {
throw new IllegalArgumentException(e);
}
}
/**
* Base DN. For example "ou=groups,o=mycompany".
*/
public String getBaseDn() {
return baseDn;
}
/**
* Group ID Attribute. For example "cn".
*/
public String getIdAttribute() {
return idAttribute;
}
/**
* Request. For example:
* <pre>
* (&(objectClass=groupOfUniqueNames)(uniqueMember={0}))
* (&(objectClass=posixGroup)(memberUid={0}))
* (&(|(objectClass=groupOfUniqueNames)(objectClass=posixGroup))(|(uniqueMember={0})(memberUid={1})))
* </pre>
*/
public String getRequest() {
return request;
}
/**
* Attributes of user required for search of groups.
*/
public String[] getRequiredUserAttributes() {
return requiredUserAttributes;
}
@Override
public String toString() {
return getClass().getSimpleName() + "{" +
"baseDn=" + getBaseDn() +
", idAttribute=" + getIdAttribute() +
", requiredUserAttributes=" + Arrays.toString(getRequiredUserAttributes()) +
", request=" + getRequest() +
"}";
}
}
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