Line data    Source code

       1             : // Copyright (C) 2016 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.change;
      16             : 
      17             : import com.google.common.collect.ImmutableMap;
      18             : import com.google.common.collect.ImmutableSet;
      19             : import com.google.common.collect.Iterables;
      20             : import com.google.common.collect.Sets;
      21             : import com.google.gerrit.server.change.ArchiveFormatInternal;
      22             : import com.google.gerrit.server.config.DownloadConfig;
      23             : import com.google.inject.Inject;
      24             : import com.google.inject.Singleton;
      25             : import java.util.Set;
      26             : 
      27             : @Singleton
      28             : public class AllowedFormats {
      29             :   final ImmutableMap<String, ArchiveFormatInternal> extensions;
      30             :   final ImmutableSet<ArchiveFormatInternal> allowed;
      31             : 
      32             :   @Inject
      33         149 :   AllowedFormats(DownloadConfig cfg) {
      34         149 :     ImmutableMap.Builder<String, ArchiveFormatInternal> exts = ImmutableMap.builder();
      35         149 :     for (ArchiveFormatInternal format : cfg.getArchiveFormats()) {
      36         149 :       for (String ext : format.getSuffixes()) {
      37         149 :         exts.put(ext, format);
      38         149 :       }
      39         149 :       exts.put(format.name().toLowerCase(), format);
      40         149 :     }
      41         149 :     extensions = exts.build();
      42             : 
      43             :     // Zip is not supported because it may be interpreted by a Java plugin as a
      44             :     // valid JAR file, whose code would have access to cookies on the domain.
      45         149 :     allowed =
      46         149 :         Sets.immutableEnumSet(
      47         149 :             Iterables.filter(cfg.getArchiveFormats(), f -> f != ArchiveFormatInternal.ZIP));
      48         149 :   }
      49             : 
      50             :   public Set<ArchiveFormatInternal> getAllowed() {
      51           3 :     return allowed;
      52             :   }
      53             : 
      54             :   public ImmutableMap<String, ArchiveFormatInternal> getExtensions() {
      55           1 :     return extensions;
      56             :   }
      57             : }