// 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.server.contact;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePaths;
import com.google.gwtorm.server.SchemaFactory;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.ProvisionException;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.util.StringUtils;
import java.io.File;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.Security;
/** Creates the {@link ContactStore} based on the configuration. */
public class ContactStoreProvider implements Provider<ContactStore> {
private final Config config;
private final SitePaths site;
private final SchemaFactory<ReviewDb> schema;
private final ContactStoreConnection.Factory connFactory;
@Inject
ContactStoreProvider(@GerritServerConfig final Config config,
final SitePaths site, final SchemaFactory<ReviewDb> schema,
final ContactStoreConnection.Factory connFactory) {
this.config = config;
this.site = site;
this.schema = schema;
this.connFactory = connFactory;
}
@Override
public ContactStore get() {
final String url = config.getString("contactstore", null, "url");
if (StringUtils.isEmptyOrNull(url)) {
return new NoContactStore();
}
if (!havePGP()) {
throw new ProvisionException("BouncyCastle PGP not installed; "
+ " needed to encrypt contact information");
}
final URL storeUrl;
try {
storeUrl = new URL(url);
} catch (MalformedURLException e) {
throw new ProvisionException("Invalid contactstore.url: " + url, e);
}
final String storeAPPSEC = config.getString("contactstore", null, "appsec");
final File pubkey = site.contact_information_pub;
if (!pubkey.exists()) {
throw new ProvisionException("PGP public key file \""
+ pubkey.getAbsolutePath() + "\" not found");
}
return new EncryptedContactStore(storeUrl, storeAPPSEC, pubkey, schema,
connFactory);
}
private static boolean havePGP() {
try {
Class.forName(PGPPublicKey.class.getName());
addBouncyCastleProvider();
return true;
} catch (NoClassDefFoundError noBouncyCastle) {
return false;
} catch (ClassNotFoundException noBouncyCastle) {
return false;
} catch (SecurityException noBouncyCastle) {
return false;
} catch (NoSuchMethodException noBouncyCastle) {
return false;
} catch (InstantiationException noBouncyCastle) {
return false;
} catch (IllegalAccessException noBouncyCastle) {
return false;
} catch (InvocationTargetException noBouncyCastle) {
return false;
} catch (ClassCastException noBouncyCastle) {
return false;
}
}
private static void addBouncyCastleProvider() throws ClassNotFoundException,
SecurityException, NoSuchMethodException, InstantiationException,
IllegalAccessException, InvocationTargetException {
Class<?> clazz = Class.forName(BouncyCastleProvider.class.getName());
Constructor<?> constructor = clazz.getConstructor();
Security.addProvider((java.security.Provider) constructor.newInstance());
}
}