Line data    Source code

       1             : // Copyright (C) 2013 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.server.restapi.group;
      16             : 
      17             : import com.google.common.base.Strings;
      18             : import com.google.common.collect.ImmutableList;
      19             : import com.google.common.collect.Lists;
      20             : import com.google.common.collect.Sets;
      21             : import com.google.gerrit.entities.AccountGroup;
      22             : import com.google.gerrit.entities.GroupDescription;
      23             : import com.google.gerrit.exceptions.NoSuchGroupException;
      24             : import com.google.gerrit.extensions.common.GroupInfo;
      25             : import com.google.gerrit.extensions.restapi.AuthException;
      26             : import com.google.gerrit.extensions.restapi.DefaultInput;
      27             : import com.google.gerrit.extensions.restapi.IdString;
      28             : import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
      29             : import com.google.gerrit.extensions.restapi.Response;
      30             : import com.google.gerrit.extensions.restapi.RestCollectionCreateView;
      31             : import com.google.gerrit.extensions.restapi.RestModifyView;
      32             : import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
      33             : import com.google.gerrit.server.UserInitiated;
      34             : import com.google.gerrit.server.account.GroupControl;
      35             : import com.google.gerrit.server.group.GroupResolver;
      36             : import com.google.gerrit.server.group.GroupResource;
      37             : import com.google.gerrit.server.group.SubgroupResource;
      38             : import com.google.gerrit.server.group.db.GroupDelta;
      39             : import com.google.gerrit.server.group.db.GroupsUpdate;
      40             : import com.google.gerrit.server.permissions.PermissionBackendException;
      41             : import com.google.gerrit.server.restapi.group.AddSubgroups.Input;
      42             : import com.google.inject.Inject;
      43             : import com.google.inject.Provider;
      44             : import com.google.inject.Singleton;
      45             : import java.io.IOException;
      46             : import java.util.ArrayList;
      47             : import java.util.LinkedHashSet;
      48             : import java.util.List;
      49             : import java.util.Set;
      50             : import org.eclipse.jgit.errors.ConfigInvalidException;
      51             : 
      52             : @Singleton
      53             : public class AddSubgroups implements RestModifyView<GroupResource, Input> {
      54           4 :   public static class Input {
      55             :     @DefaultInput String _oneGroup;
      56             : 
      57             :     public List<String> groups;
      58             : 
      59             :     public static Input fromGroups(List<String> groups) {
      60           4 :       Input in = new Input();
      61           4 :       in.groups = groups;
      62           4 :       return in;
      63             :     }
      64             : 
      65             :     static Input init(Input in) {
      66           4 :       if (in == null) {
      67           0 :         in = new Input();
      68             :       }
      69           4 :       if (in.groups == null) {
      70           1 :         in.groups = Lists.newArrayListWithCapacity(1);
      71             :       }
      72           4 :       if (!Strings.isNullOrEmpty(in._oneGroup)) {
      73           0 :         in.groups.add(in._oneGroup);
      74             :       }
      75           4 :       return in;
      76             :     }
      77             :   }
      78             : 
      79             :   private final GroupResolver groupResolver;
      80             :   private final Provider<GroupsUpdate> groupsUpdateProvider;
      81             :   private final GroupJson json;
      82             : 
      83             :   @Inject
      84             :   public AddSubgroups(
      85             :       GroupResolver groupResolver,
      86             :       @UserInitiated Provider<GroupsUpdate> groupsUpdateProvider,
      87         146 :       GroupJson json) {
      88         146 :     this.groupResolver = groupResolver;
      89         146 :     this.groupsUpdateProvider = groupsUpdateProvider;
      90         146 :     this.json = json;
      91         146 :   }
      92             : 
      93             :   @Override
      94             :   public Response<List<GroupInfo>> apply(GroupResource resource, Input input)
      95             :       throws NotInternalGroupException, AuthException, UnprocessableEntityException,
      96             :           ResourceNotFoundException, IOException, ConfigInvalidException,
      97             :           PermissionBackendException {
      98           4 :     GroupDescription.Internal group =
      99           4 :         resource.asInternalGroup().orElseThrow(NotInternalGroupException::new);
     100           4 :     input = Input.init(input);
     101             : 
     102           4 :     GroupControl control = resource.getControl();
     103           4 :     if (!control.canAddGroup()) {
     104           0 :       throw new AuthException(String.format("Cannot add groups to group %s", group.getName()));
     105             :     }
     106             : 
     107           4 :     List<GroupInfo> result = new ArrayList<>();
     108           4 :     Set<AccountGroup.UUID> subgroupUuids = new LinkedHashSet<>();
     109           4 :     for (String subgroupIdentifier : input.groups) {
     110           4 :       GroupDescription.Basic subgroup = groupResolver.parse(subgroupIdentifier);
     111           4 :       subgroupUuids.add(subgroup.getGroupUUID());
     112           4 :       result.add(json.format(subgroup));
     113           4 :     }
     114             : 
     115           4 :     AccountGroup.UUID groupUuid = group.getGroupUUID();
     116             :     try {
     117           4 :       addSubgroups(groupUuid, subgroupUuids);
     118           0 :     } catch (NoSuchGroupException e) {
     119           0 :       throw new ResourceNotFoundException(String.format("Group %s not found", groupUuid), e);
     120           4 :     }
     121           4 :     return Response.ok(result);
     122             :   }
     123             : 
     124             :   private void addSubgroups(
     125             :       AccountGroup.UUID parentGroupUuid, Set<AccountGroup.UUID> newSubgroupUuids)
     126             :       throws NoSuchGroupException, IOException, ConfigInvalidException {
     127             :     GroupDelta groupDelta =
     128           4 :         GroupDelta.builder()
     129           4 :             .setSubgroupModification(subgroupUuids -> Sets.union(subgroupUuids, newSubgroupUuids))
     130           4 :             .build();
     131           4 :     groupsUpdateProvider.get().updateGroup(parentGroupUuid, groupDelta);
     132           4 :   }
     133             : 
     134             :   @Singleton
     135             :   public static class CreateSubgroup
     136             :       implements RestCollectionCreateView<GroupResource, SubgroupResource, Input> {
     137             :     private final AddSubgroups addSubgroups;
     138             : 
     139             :     @Inject
     140         138 :     public CreateSubgroup(AddSubgroups addSubgroups) {
     141         138 :       this.addSubgroups = addSubgroups;
     142         138 :     }
     143             : 
     144             :     @Override
     145             :     public Response<GroupInfo> apply(GroupResource resource, IdString id, Input input)
     146             :         throws Exception {
     147           0 :       AddSubgroups.Input in = new AddSubgroups.Input();
     148           0 :       in.groups = ImmutableList.of(id.get());
     149             :       try {
     150           0 :         List<GroupInfo> list = addSubgroups.apply(resource, in).value();
     151           0 :         if (list.size() == 1) {
     152           0 :           return Response.created(list.get(0));
     153             :         }
     154           0 :         throw new IllegalStateException();
     155           0 :       } catch (UnprocessableEntityException e) {
     156           0 :         throw new ResourceNotFoundException(id, e);
     157             :       }
     158             :     }
     159             :   }
     160             : 
     161             :   @Singleton
     162             :   public static class UpdateSubgroup implements RestModifyView<SubgroupResource, Input> {
     163             :     private final Provider<GetSubgroup> get;
     164             : 
     165             :     @Inject
     166         138 :     public UpdateSubgroup(Provider<GetSubgroup> get) {
     167         138 :       this.get = get;
     168         138 :     }
     169             : 
     170             :     @Override
     171             :     public Response<GroupInfo> apply(SubgroupResource resource, Input input)
     172             :         throws PermissionBackendException {
     173             :       // Do nothing, the group is already included.
     174           1 :       return get.get().apply(resource);
     175             :     }
     176             :   }
     177             : }