com.google.gerrit.httpd.raw.IndexServlet Maven / Gradle / Ivy
// Copyright (C) 2017 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.httpd.raw;
import static java.nio.charset.StandardCharsets.UTF_8;
import static javax.servlet.http.HttpServletResponse.SC_OK;
import com.google.common.collect.ImmutableMap;
import com.google.common.io.Resources;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.extensions.api.GerritApi;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.server.experiments.ExperimentFeatures;
import com.google.template.soy.SoyFileSet;
import com.google.template.soy.data.SanitizedContent;
import com.google.template.soy.data.UnsafeSanitizedContentOrdainer;
import com.google.template.soy.jbcsrc.api.SoySauce;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URISyntaxException;
import java.util.Map;
import java.util.function.Function;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class IndexServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final String POLY_GERRIT_INDEX_HTML_SOY =
"com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy";
@Nullable private final String canonicalUrl;
@Nullable private final String cdnPath;
@Nullable private final String faviconPath;
private final GerritApi gerritApi;
private final ExperimentFeatures experimentFeatures;
private final SoySauce soySauce;
private final Function urlOrdainer;
IndexServlet(
@Nullable String canonicalUrl,
@Nullable String cdnPath,
@Nullable String faviconPath,
GerritApi gerritApi,
ExperimentFeatures experimentFeatures) {
this.canonicalUrl = canonicalUrl;
this.cdnPath = cdnPath;
this.faviconPath = faviconPath;
this.gerritApi = gerritApi;
this.experimentFeatures = experimentFeatures;
this.soySauce =
SoyFileSet.builder()
.add(Resources.getResource(POLY_GERRIT_INDEX_HTML_SOY), POLY_GERRIT_INDEX_HTML_SOY)
.build()
.compileTemplates();
this.urlOrdainer =
(s) ->
UnsafeSanitizedContentOrdainer.ordainAsSafe(
s, SanitizedContent.ContentKind.TRUSTED_RESOURCE_URI);
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse rsp) throws IOException {
SoySauce.Renderer renderer;
try {
Map parameterMap = req.getParameterMap();
// TODO(hiesel): Remove URL ordainer as parameter once Soy is consistent
ImmutableMap templateData =
IndexHtmlUtil.templateData(
gerritApi,
experimentFeatures,
canonicalUrl,
cdnPath,
faviconPath,
parameterMap,
urlOrdainer,
getRequestUrl(req));
renderer = soySauce.renderTemplate("com.google.gerrit.httpd.raw.Index").setData(templateData);
} catch (URISyntaxException | RestApiException e) {
throw new IOException(e);
}
rsp.setCharacterEncoding(UTF_8.name());
rsp.setContentType("text/html");
rsp.setStatus(SC_OK);
try (OutputStream w = rsp.getOutputStream()) {
w.write(renderer.renderHtml().get().toString().getBytes(UTF_8));
}
}
@SuppressWarnings("JdkObsolete")
@Nullable
private static String getRequestUrl(HttpServletRequest req) {
if (req.getRequestURL() == null) {
return null;
}
return req.getRequestURL().toString();
}
}