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/*
* Copyright (C) 2016 Michał Kępkowski
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.util;
import java.io.IOException;
import java.net.Proxy;
import java.net.URL;
import java.util.concurrent.TimeUnit;
import okhttp3.CertificatePinner;
import okhttp3.OkHttpClient;
public class OkHttpClientFactory {
private static OkHttpClient client;
public static OkHttpClient getSimpleClient() {
if (client == null) {
client = new OkHttpClient.Builder()
.connectTimeout(5000, TimeUnit.MILLISECONDS)
.readTimeout(25000, TimeUnit.MILLISECONDS)
.build();
}
return client;
}
public static OkHttpClient getSimpleClientPinned(CertificatePinner pinner) {
return new OkHttpClient.Builder()
.connectTimeout(5000, TimeUnit.MILLISECONDS)
.readTimeout(25000, TimeUnit.MILLISECONDS)
.certificatePinner(pinner)
.build();
}
public static OkHttpClient getClientPinnedIfAvailable(URL url, Proxy proxy) throws IOException,
TlsHelper.TlsHelperException {
OkHttpClient.Builder builder = new OkHttpClient.Builder();
// don't follow any redirects for keyservers, as discussed in the security audit
builder.followRedirects(false)
.followSslRedirects(false);
if (proxy != null) {
// set proxy and higher timeouts for Tor
builder.proxy(proxy);
builder.connectTimeout(30000, TimeUnit.MILLISECONDS)
.readTimeout(45000, TimeUnit.MILLISECONDS);
} else {
builder.connectTimeout(5000, TimeUnit.MILLISECONDS)
.readTimeout(25000, TimeUnit.MILLISECONDS);
}
// If a pinned cert is available, use it!
// NOTE: this fails gracefully back to "no pinning" if no cert is available.
if (url != null && TlsHelper.getPinnedSslSocketFactory(url) != null) {
builder.sslSocketFactory(TlsHelper.getPinnedSslSocketFactory(url));
}
return builder.build();
}
}
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