31c9b810da
CommitValidators was already using the host name of the OS as fallback whenever no canonicalWebUrl was defined. So, why not apply this policy throughout our code? Change-Id: I7ba0f9a14f11b4458a192c3e3355c90f3721dd0a
77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
// Copyright (C) 2009 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.httpd;
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import com.google.gerrit.server.config.CanonicalWebUrlProvider;
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import com.google.gerrit.server.config.GerritServerConfig;
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import com.google.inject.Inject;
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import com.google.inject.OutOfScopeException;
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import com.google.inject.Provider;
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import com.google.inject.ProvisionException;
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import java.util.Optional;
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import javax.servlet.http.HttpServletRequest;
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import org.eclipse.jgit.lib.Config;
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import org.eclipse.jgit.util.SystemReader;
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/** Sets {@code CanonicalWebUrl} to current HTTP request if not configured. */
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public class HttpCanonicalWebUrlProvider extends CanonicalWebUrlProvider {
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private Provider<HttpServletRequest> requestProvider;
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@Inject
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HttpCanonicalWebUrlProvider(@GerritServerConfig Config config) {
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super(config);
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}
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@Inject(optional = true)
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public void setHttpServletRequest(Provider<HttpServletRequest> hsr) {
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requestProvider = hsr;
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}
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@Override
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public String get() {
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String canonicalUrl = super.get();
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if (canonicalUrl != null) {
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return canonicalUrl;
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}
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return guessUrlFromHttpRequest()
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.orElseGet(() -> "http://" + SystemReader.getInstance().getHostname() + '/');
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}
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private Optional<String> guessUrlFromHttpRequest() {
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if (requestProvider == null) {
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// We have no way of guessing our HTTP url.
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return Optional.empty();
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}
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// No canonical URL configured? Maybe we can get a reasonable
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// guess from the incoming HTTP request, if we are currently
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// inside of an HTTP request scope.
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//
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final HttpServletRequest req;
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try {
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req = requestProvider.get();
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} catch (ProvisionException noWeb) {
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if (noWeb.getCause() instanceof OutOfScopeException) {
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// We can't obtain the request as we are not inside of
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// an HTTP request scope. Callers must handle null.
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return Optional.empty();
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}
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throw noWeb;
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}
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return Optional.of(CanonicalWebUrl.computeFromRequest(req));
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}
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}
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