Add trying out some more cipher suites which may be supported on non-standard Android 4.4.2 devices

This commit is contained in:
Markus 2019-12-11 14:58:53 +01:00
parent 3e409b9cc1
commit 23c2f748d6
1 changed files with 16 additions and 1 deletions

View File

@ -15,12 +15,12 @@ import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
@ -29,6 +29,8 @@ import javax.net.ssl.X509TrustManager;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import okhttp3.CipherSuite;
import okhttp3.ConnectionSpec;
import okhttp3.OkHttpClient;
import okhttp3.RequestBody;
import okhttp3.ResponseBody;
@ -195,6 +197,19 @@ public class DownloaderImpl extends Downloader {
SSLSocketFactory sslSocketFactory = TLSSocketFactoryCompat.getInstance();
builder.sslSocketFactory(sslSocketFactory, trustManager);
// This will try to enable all modern CipherSuites(+2 more) that are supported on the device.
// Necessary because some servers (e.g. Framatube.org) don't support the old cipher suites.
// https://github.com/square/okhttp/issues/4053#issuecomment-402579554
List<CipherSuite> cipherSuites = new ArrayList<>();
cipherSuites.addAll(ConnectionSpec.MODERN_TLS.cipherSuites());
cipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA);
cipherSuites.add(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA);
ConnectionSpec legacyTLS = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
.cipherSuites(cipherSuites.toArray(new CipherSuite[0]))
.build();
builder.connectionSpecs(Arrays.asList(legacyTLS, ConnectionSpec.CLEARTEXT));
} catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException e) {
e.printStackTrace();
}