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Add ActiveDirectoryLdapAuthenticationProvider#setAuthoritiesPopulator
Closes gh-4490
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...framework/security/ldap/authentication/ad/DefaultActiveDirectoryAuthoritiesPopulator.java
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| /* | ||
| * Copyright 2002-2024 the original author or authors. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
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| package org.springframework.security.ldap.authentication.ad; | ||
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| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.List; | ||
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| import org.apache.commons.logging.Log; | ||
| import org.apache.commons.logging.LogFactory; | ||
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| import org.springframework.ldap.core.DirContextOperations; | ||
| import org.springframework.ldap.core.DistinguishedName; | ||
| import org.springframework.security.core.GrantedAuthority; | ||
| import org.springframework.security.core.authority.AuthorityUtils; | ||
| import org.springframework.security.core.authority.SimpleGrantedAuthority; | ||
| import org.springframework.security.ldap.userdetails.LdapAuthoritiesPopulator; | ||
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| /** | ||
| * The default strategy for obtaining user role information from the active directory. | ||
| * Creates the user authority list from the values of the {@code memberOf} attribute | ||
| * obtained from the user's Active Directory entry. | ||
| * | ||
| * @author Luke Taylor | ||
| * @author Roman Zabaluev | ||
| */ | ||
| public final class DefaultActiveDirectoryAuthoritiesPopulator implements LdapAuthoritiesPopulator { | ||
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| private final Log logger = LogFactory.getLog(getClass()); | ||
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| @Override | ||
| public Collection<? extends GrantedAuthority> getGrantedAuthorities(DirContextOperations userData, | ||
| String username) { | ||
| String[] groups = userData.getStringAttributes("memberOf"); | ||
| if (groups == null) { | ||
| this.logger.debug("No values for 'memberOf' attribute."); | ||
| return AuthorityUtils.NO_AUTHORITIES; | ||
| } | ||
| if (this.logger.isDebugEnabled()) { | ||
| this.logger.debug("'memberOf' attribute values: " + Arrays.asList(groups)); | ||
| } | ||
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| List<GrantedAuthority> authorities = new ArrayList<>(groups.length); | ||
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| for (String group : groups) { | ||
| authorities.add(new SimpleGrantedAuthority(new DistinguishedName(group).removeLast().getValue())); | ||
| } | ||
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| return authorities; | ||
| } | ||
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| } |