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package org.thoughtcrime.securesms.push;
import android.content.Context;
import android.support.annotation.Nullable;
import org.thoughtcrime.securesms.BuildConfig;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.whispersystems.signalservice.api.push.TrustStore;
import org.whispersystems.signalservice.internal.configuration.SignalCdnUrl;
import org.whispersystems.signalservice.internal.configuration.SignalContactDiscoveryUrl;
import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
import org.whispersystems.signalservice.internal.configuration.SignalServiceUrl;
import java.util.HashMap;
import java.util.Map;
import okhttp3.CipherSuite;
import okhttp3.ConnectionSpec;
import okhttp3.TlsVersion;
public class SignalServiceNetworkAccess {
private static final String TAG = SignalServiceNetworkAccess.class.getName();
private static final String COUNTRY_CODE_EGYPT = "+20";
private static final String COUNTRY_CODE_UAE = "+971";
private static final String COUNTRY_CODE_OMAN = "+968";
private static final String COUNTRY_CODE_QATAR = "+974";
private static final String SERVICE_REFLECTOR_HOST = "textsecure-service-reflected.whispersystems.org";
private static final ConnectionSpec SOUQ_CONNECTION_SPEC = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
.tlsVersions(TlsVersion.TLS_1_2)
.cipherSuites(CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA)
.supportsTlsExtensions(true)
.build();
private final Map<String, SignalServiceConfiguration> censorshipConfiguration;
private final String[] censoredCountries;
private final SignalServiceConfiguration uncensoredConfiguration;
public SignalServiceNetworkAccess(Context context) {
final TrustStore trustStore = new DomainFrontingTrustStore(context);
final SignalServiceUrl service = new SignalServiceUrl("https://cms.souqcdn.com", SERVICE_REFLECTOR_HOST, trustStore, SOUQ_CONNECTION_SPEC);
final SignalCdnUrl serviceCdn = new SignalCdnUrl("https://cms.souqcdn.com", SERVICE_REFLECTOR_HOST, trustStore, SOUQ_CONNECTION_SPEC);
final SignalContactDiscoveryUrl serviceContact = new SignalContactDiscoveryUrl("https://cms.souqcdn.com", SERVICE_REFLECTOR_HOST, trustStore, SOUQ_CONNECTION_SPEC);
final SignalServiceConfiguration serviceConfig = new SignalServiceConfiguration(new SignalServiceUrl[] { service },
new SignalCdnUrl[] { serviceCdn },
new SignalContactDiscoveryUrl[] { serviceContact });
this.censorshipConfiguration = new HashMap<String, SignalServiceConfiguration>() {{
put(COUNTRY_CODE_EGYPT, serviceConfig);
put(COUNTRY_CODE_UAE, serviceConfig);
put(COUNTRY_CODE_OMAN, serviceConfig);
put(COUNTRY_CODE_QATAR, serviceConfig);
}};
this.uncensoredConfiguration = new SignalServiceConfiguration(new SignalServiceUrl[] {new SignalServiceUrl(BuildConfig.SIGNAL_URL, new SignalServiceTrustStore(context))},
new SignalCdnUrl[] {new SignalCdnUrl(BuildConfig.SIGNAL_CDN_URL, new SignalServiceTrustStore(context))},
new SignalContactDiscoveryUrl[] {new SignalContactDiscoveryUrl(BuildConfig.SIGNAL_CONTACT_DISCOVERY_URL, new SignalServiceTrustStore(context))});
this.censoredCountries = this.censorshipConfiguration.keySet().toArray(new String[0]);
}
public SignalServiceConfiguration getConfiguration(Context context) {
String localNumber = TextSecurePreferences.getLocalNumber(context);
return getConfiguration(localNumber);
}
public SignalServiceConfiguration getConfiguration(@Nullable String localNumber) {
if (localNumber == null) return this.uncensoredConfiguration;
for (String censoredRegion : this.censoredCountries) {
if (localNumber.startsWith(censoredRegion)) {
return this.censorshipConfiguration.get(censoredRegion);
}
}
return this.uncensoredConfiguration;
}
public boolean isCensored(Context context) {
return getConfiguration(context) != this.uncensoredConfiguration;
}
public boolean isCensored(String number) {
return getConfiguration(number) != this.uncensoredConfiguration;
}
}