// Copyright (C) 2009 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;
import static com.google.inject.Scopes.SINGLETON;
import com.google.common.base.Strings;
import com.google.gerrit.common.PageLinks;
import com.google.gerrit.httpd.raw.CatServlet;
import com.google.gerrit.httpd.raw.HostPageServlet;
import com.google.gerrit.httpd.raw.LegacyGerritServlet;
import com.google.gerrit.httpd.raw.RobotsServlet;
import com.google.gerrit.httpd.raw.SshInfoServlet;
import com.google.gerrit.httpd.raw.StaticServlet;
import com.google.gerrit.httpd.raw.ToolServlet;
import com.google.gerrit.httpd.rpc.access.AccessRestApiServlet;
import com.google.gerrit.httpd.rpc.account.AccountsRestApiServlet;
import com.google.gerrit.httpd.rpc.change.ChangesRestApiServlet;
import com.google.gerrit.httpd.rpc.change.DeprecatedChangeQueryServlet;
import com.google.gerrit.httpd.rpc.config.ConfigRestApiServlet;
import com.google.gerrit.httpd.rpc.doc.QueryDocumentationFilter;
import com.google.gerrit.httpd.rpc.group.GroupsRestApiServlet;
import com.google.gerrit.httpd.rpc.project.ProjectsRestApiServlet;
import com.google.gerrit.reviewdb.client.Change;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gwtexpui.server.CacheControlFilter;
import com.google.inject.Inject;
import com.google.inject.Key;
import com.google.inject.Provider;
import com.google.inject.internal.UniqueAnnotations;
import com.google.inject.servlet.ServletModule;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.Constants;
import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
class UrlModule extends ServletModule {
static class UrlConfig {
private final boolean deprecatedQuery;
@Inject
UrlConfig(@GerritServerConfig Config cfg) {
deprecatedQuery = cfg.getBoolean("site", "enableDeprecatedQuery", true);
}
}
private final UrlConfig cfg;
private GerritUiOptions uiOptions;
UrlModule(UrlConfig cfg, GerritUiOptions uiOptions) {
this.cfg = cfg;
this.uiOptions = uiOptions;
}
@Override
protected void configureServlets() {
filter("/*").through(Key.get(CacheControlFilter.class));
bind(Key.get(CacheControlFilter.class)).in(SINGLETON);
if (uiOptions.enableDefaultUi()) {
serve("/").with(HostPageServlet.class);
serve("/Gerrit").with(LegacyGerritServlet.class);
serve("/Gerrit/*").with(legacyGerritScreen());
}
serve("/cat/*").with(CatServlet.class);
serve("/logout").with(HttpLogoutServlet.class);
serve("/signout").with(HttpLogoutServlet.class);
serve("/ssh_info").with(SshInfoServlet.class);
serve("/static/*").with(StaticServlet.class);
serve("/Main.class").with(notFound());
serve("/com/google/gerrit/launcher/*").with(notFound());
serve("/servlet/*").with(notFound());
serve("/all").with(query("status:merged"));
serve("/mine").with(screen(PageLinks.MINE));
serve("/open").with(query("status:open"));
serve("/watched").with(query("is:watched status:open"));
serve("/starred").with(query("is:starred"));
serveRegex("^/settings/?$").with(screen(PageLinks.SETTINGS));
serveRegex("^/register/?$").with(screen(PageLinks.REGISTER + "/"));
serveRegex("^/([1-9][0-9]*)/?$").with(directChangeById());
serveRegex("^/p/(.*)$").with(queryProjectNew());
serveRegex("^/r/(.+)/?$").with(DirectChangeByCommit.class);
filter("/a/*").through(RequireIdentifiedUserFilter.class);
serveRegex("^/(?:a/)?tools/(.*)$").with(ToolServlet.class);
serveRegex("^/(?:a/)?access/(.*)$").with(AccessRestApiServlet.class);
serveRegex("^/(?:a/)?accounts/(.*)$").with(AccountsRestApiServlet.class);
serveRegex("^/(?:a/)?changes/(.*)$").with(ChangesRestApiServlet.class);
serveRegex("^/(?:a/)?config/(.*)$").with(ConfigRestApiServlet.class);
serveRegex("^/(?:a/)?groups/(.*)?$").with(GroupsRestApiServlet.class);
serveRegex("^/(?:a/)?projects/(.*)?$").with(ProjectsRestApiServlet.class);
filter("/Documentation/").through(QueryDocumentationFilter.class);
if (cfg.deprecatedQuery) {
serve("/query").with(DeprecatedChangeQueryServlet.class);
}
serve("/robots.txt").with(RobotsServlet.class);
}
private Key<HttpServlet> notFound() {
return key(new HttpServlet() {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
rsp.sendError(HttpServletResponse.SC_NOT_FOUND);
}
});
}
private Key<HttpServlet> screen(final String target) {
return key(new HttpServlet() {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
toGerrit(target, req, rsp);
}
});
}
private Key<HttpServlet> legacyGerritScreen() {
return key(new HttpServlet() {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
final String token = req.getPathInfo().substring(1);
toGerrit(token, req, rsp);
}
});
}
private Key<HttpServlet> directChangeById() {
return key(new HttpServlet() {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
try {
String idString = req.getPathInfo();
if (idString.endsWith("/")) {
idString = idString.substring(0, idString.length() - 1);
}
Change.Id id = Change.Id.parse(idString);
toGerrit(PageLinks.toChange(id), req, rsp);
} catch (IllegalArgumentException err) {
rsp.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
});
}
private Key<HttpServlet> queryProjectNew() {
return key(new HttpServlet() {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse rsp)
throws IOException {
String name = req.getPathInfo();
if (Strings.isNullOrEmpty(name)) {
toGerrit(PageLinks.ADMIN_PROJECTS, req, rsp);
return;
}
while (name.endsWith("/")) {
name = name.substring(0, name.length() - 1);
}
if (name.endsWith(Constants.DOT_GIT_EXT)) {
name = name.substring(0, //
name.length() - Constants.DOT_GIT_EXT.length());
}
while (name.endsWith("/")) {
name = name.substring(0, name.length() - 1);
}
Project.NameKey project = new Project.NameKey(name);
toGerrit(PageLinks.toChangeQuery(PageLinks.projectQuery(project,
Change.Status.NEW)), req, rsp);
}
});
}
private Key<HttpServlet> query(final String query) {
return key(new HttpServlet() {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
toGerrit(PageLinks.toChangeQuery(query), req, rsp);
}
});
}
private Key<HttpServlet> key(final HttpServlet servlet) {
final Key<HttpServlet> srv =
Key.get(HttpServlet.class, UniqueAnnotations.create());
bind(srv).toProvider(new Provider<HttpServlet>() {
@Override
public HttpServlet get() {
return servlet;
}
}).in(SINGLETON);
return srv;
}
static void toGerrit(final String target, final HttpServletRequest req,
final HttpServletResponse rsp) throws IOException {
final StringBuilder url = new StringBuilder();
url.append(req.getContextPath());
url.append('/');
url.append('#');
url.append(target);
rsp.sendRedirect(url.toString());
}
}