Extract lib module

[signal-cli] / lib / src / main / java / org / asamk / signal / manager / ServiceConfig.java

diff --git a/lib/src/main/java/org/asamk/signal/manager/ServiceConfig.java b/lib/src/main/java/org/asamk/signal/manager/ServiceConfig.java
new file mode 100644 (file)
index 0000000..c68e577
--- /dev/null
+++ b/lib/src/main/java/org/asamk/signal/manager/ServiceConfig.java
@@ -0,0 +1,141 @@
+package org.asamk.signal.manager;
+
+import org.bouncycastle.util.encoders.Hex;
+import org.signal.zkgroup.ServerPublicParams;
+import org.whispersystems.libsignal.InvalidKeyException;
+import org.whispersystems.libsignal.ecc.Curve;
+import org.whispersystems.libsignal.ecc.ECPublicKey;
+import org.whispersystems.libsignal.util.guava.Optional;
+import org.whispersystems.signalservice.api.KeyBackupService;
+import org.whispersystems.signalservice.api.SignalServiceAccountManager;
+import org.whispersystems.signalservice.api.account.AccountAttributes;
+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.SignalKeyBackupServiceUrl;
+import org.whispersystems.signalservice.internal.configuration.SignalServiceConfiguration;
+import org.whispersystems.signalservice.internal.configuration.SignalServiceUrl;
+import org.whispersystems.signalservice.internal.configuration.SignalStorageUrl;
+
+import java.io.IOException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.util.Base64;
+import java.util.List;
+import java.util.Map;
+
+import okhttp3.Dns;
+import okhttp3.Interceptor;
+
+public class ServiceConfig {
+
+    final static byte[] UNIDENTIFIED_SENDER_TRUST_ROOT = Base64.getDecoder()
+            .decode("BXu6QIKVz5MA8gstzfOgRQGqyLqOwNKHL6INkv3IHWMF");
+    final static int PREKEY_MINIMUM_COUNT = 20;
+    final static int PREKEY_BATCH_SIZE = 100;
+    final static int MAX_ATTACHMENT_SIZE = 150 * 1024 * 1024;
+    final static long MAX_ENVELOPE_SIZE = 0;
+    final static long AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE = 10 * 1024 * 1024;
+    final static boolean AUTOMATIC_NETWORK_RETRY = true;
+
+    final static String CDS_MRENCLAVE = "c98e00a4e3ff977a56afefe7362a27e4961e4f19e211febfbb19b897e6b80b15";
+
+    final static String KEY_BACKUP_ENCLAVE_NAME = "fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe";
+    final static byte[] KEY_BACKUP_SERVICE_ID = Hex.decode(
+            "fe7c1bfae98f9b073d220366ea31163ee82f6d04bead774f71ca8e5c40847bfe");
+    final static String KEY_BACKUP_MRENCLAVE = "a3baab19ef6ce6f34ab9ebb25ba722725ae44a8872dc0ff08ad6d83a9489de87";
+
+    private final static String URL = "https://textsecure-service.whispersystems.org";
+    private final static String CDN_URL = "https://cdn.signal.org";
+    private final static String CDN2_URL = "https://cdn2.signal.org";
+    private final static String SIGNAL_CONTACT_DISCOVERY_URL = "https://api.directory.signal.org";
+    private final static String SIGNAL_KEY_BACKUP_URL = "https://api.backup.signal.org";
+    private final static String STORAGE_URL = "https://storage.signal.org";
+    private final static TrustStore TRUST_STORE = new WhisperTrustStore();
+    private final static TrustStore IAS_TRUST_STORE = new IasTrustStore();
+
+    private final static Optional<Dns> dns = Optional.absent();
+
+    private final static byte[] zkGroupServerPublicParams = Base64.getDecoder()
+            .decode("AMhf5ywVwITZMsff/eCyudZx9JDmkkkbV6PInzG4p8x3VqVJSFiMvnvlEKWuRob/1eaIetR31IYeAbm0NdOuHH8Qi+Rexi1wLlpzIo1gstHWBfZzy1+qHRV5A4TqPp15YzBPm0WSggW6PbSn+F4lf57VCnHF7p8SvzAA2ZZJPYJURt8X7bbg+H3i+PEjH9DXItNEqs2sNcug37xZQDLm7X0=");
+
+    static final AccountAttributes.Capabilities capabilities;
+
+    static {
+        boolean zkGroupAvailable;
+        try {
+            new ServerPublicParams(zkGroupServerPublicParams);
+            zkGroupAvailable = true;
+        } catch (Throwable ignored) {
+            zkGroupAvailable = false;
+        }
+        capabilities = new AccountAttributes.Capabilities(false, zkGroupAvailable, false, zkGroupAvailable);
+    }
+
+    public static SignalServiceConfiguration createDefaultServiceConfiguration(String userAgent) {
+        final Interceptor userAgentInterceptor = chain -> chain.proceed(chain.request()
+                .newBuilder()
+                .header("User-Agent", userAgent)
+                .build());
+
+        final List<Interceptor> interceptors = List.of(userAgentInterceptor);
+
+        return new SignalServiceConfiguration(new SignalServiceUrl[]{new SignalServiceUrl(URL, TRUST_STORE)},
+                makeSignalCdnUrlMapFor(new SignalCdnUrl[]{new SignalCdnUrl(CDN_URL, TRUST_STORE)},
+                        new SignalCdnUrl[]{new SignalCdnUrl(CDN2_URL, TRUST_STORE)}),
+                new SignalContactDiscoveryUrl[]{new SignalContactDiscoveryUrl(SIGNAL_CONTACT_DISCOVERY_URL,
+                        TRUST_STORE)},
+                new SignalKeyBackupServiceUrl[]{new SignalKeyBackupServiceUrl(SIGNAL_KEY_BACKUP_URL, TRUST_STORE)},
+                new SignalStorageUrl[]{new SignalStorageUrl(STORAGE_URL, TRUST_STORE)},
+                interceptors,
+                dns,
+                zkGroupServerPublicParams);
+    }
+
+    public static AccountAttributes.Capabilities getCapabilities() {
+        return capabilities;
+    }
+
+    static KeyStore getIasKeyStore() {
+        try {
+            TrustStore contactTrustStore = IAS_TRUST_STORE;
+
+            KeyStore keyStore = KeyStore.getInstance("BKS");
+            keyStore.load(contactTrustStore.getKeyStoreInputStream(),
+                    contactTrustStore.getKeyStorePassword().toCharArray());
+
+            return keyStore;
+        } catch (KeyStoreException | CertificateException | IOException | NoSuchAlgorithmException e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    static KeyBackupService createKeyBackupService(SignalServiceAccountManager accountManager) {
+        KeyStore keyStore = ServiceConfig.getIasKeyStore();
+
+        return accountManager.getKeyBackupService(keyStore,
+                ServiceConfig.KEY_BACKUP_ENCLAVE_NAME,
+                ServiceConfig.KEY_BACKUP_SERVICE_ID,
+                ServiceConfig.KEY_BACKUP_MRENCLAVE,
+                10);
+    }
+
+    static ECPublicKey getUnidentifiedSenderTrustRoot() {
+        try {
+            return Curve.decodePoint(UNIDENTIFIED_SENDER_TRUST_ROOT, 0);
+        } catch (InvalidKeyException e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    private static Map<Integer, SignalCdnUrl[]> makeSignalCdnUrlMapFor(
+            SignalCdnUrl[] cdn0Urls, SignalCdnUrl[] cdn2Urls
+    ) {
+        return Map.of(0, cdn0Urls, 2, cdn2Urls);
+    }
+
+    private ServiceConfig() {
+    }
+}