Extract lib module

[signal-cli] / src / main / java / org / asamk / signal / manager / helper / UnidentifiedAccessHelper.java

diff --git a/src/main/java/org/asamk/signal/manager/helper/UnidentifiedAccessHelper.java b/src/main/java/org/asamk/signal/manager/helper/UnidentifiedAccessHelper.java
deleted file mode 100644 (file)
index 3930154..0000000
--- a/src/main/java/org/asamk/signal/manager/helper/UnidentifiedAccessHelper.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package org.asamk.signal.manager.helper;
-
-import org.asamk.signal.manager.storage.profiles.SignalProfile;
-import org.signal.libsignal.metadata.certificate.InvalidCertificateException;
-import org.signal.zkgroup.profiles.ProfileKey;
-import org.whispersystems.libsignal.util.guava.Optional;
-import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess;
-import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair;
-import org.whispersystems.signalservice.api.push.SignalServiceAddress;
-
-import java.util.Collection;
-import java.util.List;
-import java.util.stream.Collectors;
-
-import static org.whispersystems.signalservice.internal.util.Util.getSecretBytes;
-
-public class UnidentifiedAccessHelper {
-
-    private final SelfProfileKeyProvider selfProfileKeyProvider;
-
-    private final ProfileKeyProvider profileKeyProvider;
-
-    private final ProfileProvider profileProvider;
-
-    private final UnidentifiedAccessSenderCertificateProvider senderCertificateProvider;
-
-    public UnidentifiedAccessHelper(
-            final SelfProfileKeyProvider selfProfileKeyProvider,
-            final ProfileKeyProvider profileKeyProvider,
-            final ProfileProvider profileProvider,
-            final UnidentifiedAccessSenderCertificateProvider senderCertificateProvider
-    ) {
-        this.selfProfileKeyProvider = selfProfileKeyProvider;
-        this.profileKeyProvider = profileKeyProvider;
-        this.profileProvider = profileProvider;
-        this.senderCertificateProvider = senderCertificateProvider;
-    }
-
-    private byte[] getSelfUnidentifiedAccessKey() {
-        return UnidentifiedAccess.deriveAccessKeyFrom(selfProfileKeyProvider.getProfileKey());
-    }
-
-    public byte[] getTargetUnidentifiedAccessKey(SignalServiceAddress recipient) {
-        ProfileKey theirProfileKey = profileKeyProvider.getProfileKey(recipient);
-        if (theirProfileKey == null) {
-            return null;
-        }
-
-        SignalProfile targetProfile = profileProvider.getProfile(recipient);
-        if (targetProfile == null || targetProfile.getUnidentifiedAccess() == null) {
-            return null;
-        }
-
-        if (targetProfile.isUnrestrictedUnidentifiedAccess()) {
-            return createUnrestrictedUnidentifiedAccess();
-        }
-
-        return UnidentifiedAccess.deriveAccessKeyFrom(theirProfileKey);
-    }
-
-    public Optional<UnidentifiedAccessPair> getAccessForSync() {
-        byte[] selfUnidentifiedAccessKey = getSelfUnidentifiedAccessKey();
-        byte[] selfUnidentifiedAccessCertificate = senderCertificateProvider.getSenderCertificate();
-
-        if (selfUnidentifiedAccessKey == null || selfUnidentifiedAccessCertificate == null) {
-            return Optional.absent();
-        }
-
-        try {
-            return Optional.of(new UnidentifiedAccessPair(new UnidentifiedAccess(selfUnidentifiedAccessKey,
-                    selfUnidentifiedAccessCertificate),
-                    new UnidentifiedAccess(selfUnidentifiedAccessKey, selfUnidentifiedAccessCertificate)));
-        } catch (InvalidCertificateException e) {
-            return Optional.absent();
-        }
-    }
-
-    public List<Optional<UnidentifiedAccessPair>> getAccessFor(Collection<SignalServiceAddress> recipients) {
-        return recipients.stream().map(this::getAccessFor).collect(Collectors.toList());
-    }
-
-    public Optional<UnidentifiedAccessPair> getAccessFor(SignalServiceAddress recipient) {
-        byte[] recipientUnidentifiedAccessKey = getTargetUnidentifiedAccessKey(recipient);
-        byte[] selfUnidentifiedAccessKey = getSelfUnidentifiedAccessKey();
-        byte[] selfUnidentifiedAccessCertificate = senderCertificateProvider.getSenderCertificate();
-
-        if (recipientUnidentifiedAccessKey == null
-                || selfUnidentifiedAccessKey == null
-                || selfUnidentifiedAccessCertificate == null) {
-            return Optional.absent();
-        }
-
-        try {
-            return Optional.of(new UnidentifiedAccessPair(new UnidentifiedAccess(recipientUnidentifiedAccessKey,
-                    selfUnidentifiedAccessCertificate),
-                    new UnidentifiedAccess(selfUnidentifiedAccessKey, selfUnidentifiedAccessCertificate)));
-        } catch (InvalidCertificateException e) {
-            return Optional.absent();
-        }
-    }
-
-    private static byte[] createUnrestrictedUnidentifiedAccess() {
-        return getSecretBytes(16);
-    }
-}