79 lines
2.8 KiB
Java
79 lines
2.8 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.network;
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import java.net.Proxy;
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import java.net.URL;
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import java.util.concurrent.TimeUnit;
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import okhttp3.CertificatePinner;
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import okhttp3.OkHttpClient;
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public class OkHttpClientFactory {
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private static OkHttpClient client;
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public static OkHttpClient getSimpleClient() {
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if (client == null) {
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client = new OkHttpClient.Builder()
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.connectTimeout(5000, TimeUnit.MILLISECONDS)
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.readTimeout(25000, TimeUnit.MILLISECONDS)
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.build();
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}
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return client;
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}
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public static OkHttpClient getSimpleClientPinned(CertificatePinner pinner) {
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return new OkHttpClient.Builder()
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.connectTimeout(5000, TimeUnit.MILLISECONDS)
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.readTimeout(25000, TimeUnit.MILLISECONDS)
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.certificatePinner(pinner)
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.build();
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}
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public static OkHttpClient getClientPinnedIfAvailable(URL url, Proxy proxy) {
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OkHttpClient.Builder builder = new OkHttpClient.Builder();
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// don't follow any redirects for keyservers, as discussed in the security audit
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builder.followRedirects(false)
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.followSslRedirects(false);
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if (proxy != null) {
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// set proxy and higher timeouts for Tor
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builder.proxy(proxy);
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builder.connectTimeout(30000, TimeUnit.MILLISECONDS)
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.readTimeout(45000, TimeUnit.MILLISECONDS);
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} else {
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builder.connectTimeout(5000, TimeUnit.MILLISECONDS)
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.readTimeout(25000, TimeUnit.MILLISECONDS);
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}
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// If a pinned cert is available, use it!
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// NOTE: this fails gracefully back to "no pinning" if no cert is available.
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TlsCertificatePinning tlsCertificatePinning = new TlsCertificatePinning(url);
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boolean isHttpsProtocol = "https".equals(url.getProtocol());
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boolean isPinAvailable = tlsCertificatePinning.isPinAvailable();
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if (isHttpsProtocol && isPinAvailable) {
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tlsCertificatePinning.pinCertificate(builder);
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}
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return builder.build();
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}
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}
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