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- /*
- * SonarQube
- * Copyright (C) 2009-2020 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.lang.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 = StringUtils.defaultString(config.get(settingsPrefix + ".group.idAttribute").orElse(null), DEFAULT_ID_ATTRIBUTE);
-
- String req = StringUtils.defaultString(config.get(settingsPrefix + ".group.request").orElse(null), 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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