Line data    Source code

       1             : // Copyright (C) 2015 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.auth.ldap;
      16             : 
      17             : import com.google.common.cache.LoadingCache;
      18             : import com.google.gerrit.entities.AccountGroup;
      19             : import com.google.gerrit.server.account.GroupMembership;
      20             : import com.google.gerrit.server.account.ListGroupMembership;
      21             : import com.google.gerrit.server.project.ProjectCache;
      22             : import java.util.HashSet;
      23             : import java.util.Set;
      24             : import java.util.concurrent.ExecutionException;
      25             : import org.eclipse.jgit.lib.Config;
      26             : 
      27             : class LdapGroupMembership implements GroupMembership {
      28             :   private final LoadingCache<String, Set<AccountGroup.UUID>> membershipCache;
      29             :   private final ProjectCache projectCache;
      30             :   private final String id;
      31             :   private final boolean guessRelevantGroups;
      32             :   private GroupMembership membership;
      33             : 
      34             :   LdapGroupMembership(
      35             :       LoadingCache<String, Set<AccountGroup.UUID>> membershipCache,
      36             :       ProjectCache projectCache,
      37             :       String id,
      38           1 :       Config gerritConfig) {
      39           1 :     this.membershipCache = membershipCache;
      40           1 :     this.projectCache = projectCache;
      41           1 :     this.id = id;
      42           1 :     this.guessRelevantGroups = gerritConfig.getBoolean("ldap", "guessRelevantGroups", true);
      43           1 :   }
      44             : 
      45             :   @Override
      46             :   public boolean contains(AccountGroup.UUID groupId) {
      47           0 :     return get().contains(groupId);
      48             :   }
      49             : 
      50             :   @Override
      51             :   public boolean containsAnyOf(Iterable<AccountGroup.UUID> groupIds) {
      52           0 :     return get().containsAnyOf(groupIds);
      53             :   }
      54             : 
      55             :   @Override
      56             :   public Set<AccountGroup.UUID> intersection(Iterable<AccountGroup.UUID> groupIds) {
      57           0 :     return get().intersection(groupIds);
      58             :   }
      59             : 
      60             :   @Override
      61             :   public Set<AccountGroup.UUID> getKnownGroups() {
      62           0 :     Set<AccountGroup.UUID> g = new HashSet<>(get().getKnownGroups());
      63           0 :     if (guessRelevantGroups) {
      64           0 :       g.retainAll(projectCache.guessRelevantGroupUUIDs());
      65             :     }
      66           0 :     return g;
      67             :   }
      68             : 
      69             :   private synchronized GroupMembership get() {
      70           0 :     if (membership == null) {
      71             :       try {
      72           0 :         membership = new ListGroupMembership(membershipCache.get(id));
      73           0 :       } catch (ExecutionException e) {
      74           0 :         LdapGroupBackend.logger
      75           0 :             .atWarning()
      76           0 :             .withCause(e)
      77           0 :             .log("Cannot lookup membershipsOf %s in LDAP", id);
      78           0 :         membership = GroupMembership.EMPTY;
      79           0 :       }
      80             :     }
      81           0 :     return membership;
      82             :   }
      83             : }