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// Copyright (C) 2012 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.server.plugins;
import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.DefaultInput;
import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
import com.google.gerrit.extensions.restapi.RawInput;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.TopLevelResource;
import com.google.gerrit.server.plugins.InstallPlugin.Input;
import com.google.gerrit.server.plugins.ListPlugins.PluginInfo;
import com.google.inject.Inject;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URL;
import java.util.zip.ZipException;
@RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
class InstallPlugin implements RestModifyView<TopLevelResource, Input> {
static class Input {
@DefaultInput String url;
RawInput raw;
}
private final PluginLoader loader;
private final String name;
private final boolean created;
InstallPlugin(PluginLoader loader, String name, boolean created) {
this.loader = loader;
this.name = name;
this.created = created;
}
@Override
public Response<PluginInfo> apply(TopLevelResource resource, Input input)
throws BadRequestException, MethodNotAllowedException, IOException {
if (!loader.isRemoteAdminEnabled()) {
throw new MethodNotAllowedException("remote installation is disabled");
}
try {
try (InputStream in = openStream(input)) {
String pluginName = loader.installPluginFromStream(name, in);
ListPlugins.PluginInfo info = new ListPlugins.PluginInfo(loader.get(pluginName));
return created ? Response.created(info) : Response.ok(info);
}
} catch (PluginInstallException e) {
StringWriter buf = new StringWriter();
buf.write(String.format("cannot install %s", name));
if (e.getCause() instanceof ZipException) {
buf.write(": ");
buf.write(e.getCause().getMessage());
} else {
buf.write(":\n");
PrintWriter pw = new PrintWriter(buf);
e.printStackTrace(pw);
pw.flush();
}
throw new BadRequestException(buf.toString());
}
}
private InputStream openStream(Input input) throws IOException, BadRequestException {
if (input.raw != null) {
return input.raw.getInputStream();
}
try {
return new URL(input.url).openStream();
} catch (IOException e) {
throw new BadRequestException(e.getMessage());
}
}
@RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
static class Overwrite implements RestModifyView<PluginResource, Input> {
private final PluginLoader loader;
@Inject
Overwrite(PluginLoader loader) {
this.loader = loader;
}
@Override
public Response<PluginInfo> apply(PluginResource resource, Input input)
throws BadRequestException, MethodNotAllowedException, IOException {
return new InstallPlugin(loader, resource.getName(), false)
.apply(TopLevelResource.INSTANCE, input);
}
}
}