Line data    Source code

       1             : // Copyright (C) 2012 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.plugins;
      16             : 
      17             : import com.google.gerrit.common.data.GlobalCapability;
      18             : import com.google.gerrit.extensions.annotations.RequiresCapability;
      19             : import com.google.gerrit.extensions.api.plugins.InstallPluginInput;
      20             : import com.google.gerrit.extensions.common.PluginInfo;
      21             : import com.google.gerrit.extensions.restapi.BadRequestException;
      22             : import com.google.gerrit.extensions.restapi.IdString;
      23             : import com.google.gerrit.extensions.restapi.Response;
      24             : import com.google.gerrit.extensions.restapi.RestApiException;
      25             : import com.google.gerrit.extensions.restapi.RestCollectionCreateView;
      26             : import com.google.gerrit.extensions.restapi.RestModifyView;
      27             : import com.google.gerrit.extensions.restapi.TopLevelResource;
      28             : import com.google.inject.Inject;
      29             : import com.google.inject.Provider;
      30             : import com.google.inject.Singleton;
      31             : import java.io.IOException;
      32             : import java.io.InputStream;
      33             : import java.io.PrintWriter;
      34             : import java.io.StringWriter;
      35             : import java.net.URL;
      36             : import java.util.zip.ZipException;
      37             : 
      38             : @RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
      39             : public class InstallPlugin implements RestModifyView<TopLevelResource, InstallPluginInput> {
      40             :   private final PluginLoader loader;
      41             : 
      42             :   private String name;
      43             :   private boolean created;
      44             : 
      45             :   @Inject
      46           3 :   InstallPlugin(PluginLoader loader) {
      47           3 :     this.loader = loader;
      48           3 :   }
      49             : 
      50             :   public InstallPlugin setName(String name) {
      51           3 :     this.name = name;
      52           3 :     return this;
      53             :   }
      54             : 
      55             :   public InstallPlugin setCreated(boolean created) {
      56           1 :     this.created = created;
      57           1 :     return this;
      58             :   }
      59             : 
      60             :   @Override
      61             :   public Response<PluginInfo> apply(TopLevelResource resource, InstallPluginInput input)
      62             :       throws RestApiException, IOException {
      63           3 :     loader.checkRemoteAdminEnabled();
      64             :     try {
      65           3 :       try (InputStream in = openStream(input)) {
      66           3 :         String pluginName = loader.installPluginFromStream(name, in);
      67           3 :         PluginInfo info = ListPlugins.toPluginInfo(loader.get(pluginName));
      68           3 :         return created ? Response.created(info) : Response.ok(info);
      69             :       }
      70           1 :     } catch (PluginInstallException e) {
      71           1 :       StringWriter buf = new StringWriter();
      72           1 :       buf.write(String.format("cannot install %s", name));
      73           1 :       if (e.getCause() instanceof ZipException) {
      74           0 :         buf.write(": ");
      75           0 :         buf.write(e.getCause().getMessage());
      76             :       } else {
      77           1 :         buf.write(":\n");
      78           1 :         PrintWriter pw = new PrintWriter(buf);
      79           1 :         e.printStackTrace(pw);
      80           1 :         pw.flush();
      81             :       }
      82           1 :       throw new BadRequestException(buf.toString());
      83             :     }
      84             :   }
      85             : 
      86             :   private InputStream openStream(InstallPluginInput input) throws IOException, BadRequestException {
      87           3 :     if (input.raw != null) {
      88           3 :       return input.raw.getInputStream();
      89             :     }
      90             :     try {
      91           0 :       return new URL(input.url).openStream();
      92           0 :     } catch (IOException e) {
      93           0 :       throw new BadRequestException(e.getMessage());
      94             :     }
      95             :   }
      96             : 
      97             :   @RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
      98             :   @Singleton
      99             :   static class Create
     100             :       implements RestCollectionCreateView<TopLevelResource, PluginResource, InstallPluginInput> {
     101             :     private final PluginLoader loader;
     102             :     private final Provider<InstallPlugin> install;
     103             : 
     104             :     @Inject
     105         138 :     Create(PluginLoader loader, Provider<InstallPlugin> install) {
     106         138 :       this.loader = loader;
     107         138 :       this.install = install;
     108         138 :     }
     109             : 
     110             :     @Override
     111             :     public Response<PluginInfo> apply(
     112             :         TopLevelResource parentResource, IdString id, InstallPluginInput input) throws Exception {
     113           1 :       loader.checkRemoteAdminEnabled();
     114           0 :       return install.get().setName(id.get()).setCreated(true).apply(parentResource, input);
     115             :     }
     116             :   }
     117             : 
     118             :   @RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
     119             :   @Singleton
     120             :   static class Overwrite implements RestModifyView<PluginResource, InstallPluginInput> {
     121             :     private final Provider<InstallPlugin> install;
     122             : 
     123             :     @Inject
     124         138 :     Overwrite(Provider<InstallPlugin> install) {
     125         138 :       this.install = install;
     126         138 :     }
     127             : 
     128             :     @Override
     129             :     public Response<PluginInfo> apply(PluginResource resource, InstallPluginInput input)
     130             :         throws RestApiException, IOException {
     131           0 :       return install.get().setName(resource.getName()).apply(TopLevelResource.INSTANCE, input);
     132             :     }
     133             :   }
     134             : }