Line data    Source code

       1             : // Copyright (C) 2014 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.config;
      16             : 
      17             : import static com.google.gerrit.common.data.GlobalCapability.FLUSH_CACHES;
      18             : import static com.google.gerrit.common.data.GlobalCapability.MAINTAIN_SERVER;
      19             : 
      20             : import com.google.gerrit.extensions.annotations.RequiresAnyCapability;
      21             : import com.google.gerrit.extensions.common.Input;
      22             : import com.google.gerrit.extensions.restapi.AuthException;
      23             : import com.google.gerrit.extensions.restapi.Response;
      24             : import com.google.gerrit.extensions.restapi.RestModifyView;
      25             : import com.google.gerrit.server.config.CacheResource;
      26             : import com.google.gerrit.server.permissions.GlobalPermission;
      27             : import com.google.gerrit.server.permissions.PermissionBackend;
      28             : import com.google.gerrit.server.permissions.PermissionBackendException;
      29             : import com.google.inject.Inject;
      30             : import com.google.inject.Singleton;
      31             : 
      32             : @RequiresAnyCapability({FLUSH_CACHES, MAINTAIN_SERVER})
      33             : @Singleton
      34             : public class FlushCache implements RestModifyView<CacheResource, Input> {
      35             : 
      36             :   public static final String WEB_SESSIONS = "web_sessions";
      37             : 
      38             :   private final PermissionBackend permissionBackend;
      39             : 
      40             :   @Inject
      41         138 :   public FlushCache(PermissionBackend permissionBackend) {
      42         138 :     this.permissionBackend = permissionBackend;
      43         138 :   }
      44             : 
      45             :   @Override
      46             :   public Response<String> apply(CacheResource rsrc, Input input)
      47             :       throws AuthException, PermissionBackendException {
      48           1 :     if (WEB_SESSIONS.equals(rsrc.getName())) {
      49           1 :       permissionBackend.currentUser().check(GlobalPermission.MAINTAIN_SERVER);
      50             :     }
      51             : 
      52           1 :     rsrc.getCache().invalidateAll();
      53           1 :     return Response.ok();
      54             :   }
      55             : }