97 lines
3.7 KiB
Java
97 lines
3.7 KiB
Java
package org.thoughtcrime.securesms.util;
|
|
|
|
import android.content.Context;
|
|
|
|
import androidx.annotation.NonNull;
|
|
import androidx.annotation.Nullable;
|
|
import androidx.annotation.WorkerThread;
|
|
|
|
import org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil;
|
|
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
|
|
import org.thoughtcrime.securesms.logging.Log;
|
|
import org.thoughtcrime.securesms.recipients.Recipient;
|
|
import org.thoughtcrime.securesms.recipients.RecipientUtil;
|
|
import org.thoughtcrime.securesms.service.IncomingMessageObserver;
|
|
import org.whispersystems.libsignal.util.guava.Optional;
|
|
import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
|
|
import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
|
|
import org.whispersystems.signalservice.api.crypto.InvalidCiphertextException;
|
|
import org.whispersystems.signalservice.api.crypto.ProfileCipher;
|
|
import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess;
|
|
import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair;
|
|
import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
|
|
import org.whispersystems.signalservice.api.push.SignalServiceAddress;
|
|
import org.whispersystems.signalservice.api.push.exceptions.NonSuccessfulResponseCodeException;
|
|
|
|
import java.io.IOException;
|
|
|
|
/**
|
|
* Aids in the retrieval and decryption of profiles.
|
|
*/
|
|
public class ProfileUtil {
|
|
|
|
private static final String TAG = Log.tag(ProfileUtil.class);
|
|
|
|
@WorkerThread
|
|
public static SignalServiceProfile retrieveProfile(@NonNull Context context, @NonNull Recipient recipient) throws IOException {
|
|
SignalServiceAddress address = RecipientUtil.toSignalServiceAddress(context, recipient);
|
|
Optional<UnidentifiedAccess> unidentifiedAccess = getUnidentifiedAccess(context, recipient);
|
|
|
|
SignalServiceProfile profile;
|
|
|
|
try {
|
|
profile = retrieveProfileInternal(address, unidentifiedAccess);
|
|
} catch (NonSuccessfulResponseCodeException e) {
|
|
if (unidentifiedAccess.isPresent()) {
|
|
profile = retrieveProfileInternal(address, Optional.absent());
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
return profile;
|
|
}
|
|
|
|
public static @Nullable String decryptName(@NonNull byte[] profileKey, @Nullable String encryptedName)
|
|
throws InvalidCiphertextException, IOException
|
|
{
|
|
if (encryptedName == null) {
|
|
return null;
|
|
}
|
|
|
|
ProfileCipher profileCipher = new ProfileCipher(profileKey);
|
|
return new String(profileCipher.decryptName(Base64.decode(encryptedName)));
|
|
}
|
|
|
|
@WorkerThread
|
|
private static SignalServiceProfile retrieveProfileInternal(@NonNull SignalServiceAddress address, Optional<UnidentifiedAccess> unidentifiedAccess)
|
|
throws IOException
|
|
{
|
|
SignalServiceMessagePipe authPipe = IncomingMessageObserver.getPipe();
|
|
SignalServiceMessagePipe unidentifiedPipe = IncomingMessageObserver.getUnidentifiedPipe();
|
|
SignalServiceMessagePipe pipe = unidentifiedPipe != null && unidentifiedAccess.isPresent() ? unidentifiedPipe
|
|
: authPipe;
|
|
|
|
if (pipe != null) {
|
|
try {
|
|
return pipe.getProfile(address, unidentifiedAccess);
|
|
} catch (IOException e) {
|
|
Log.w(TAG, e);
|
|
}
|
|
}
|
|
|
|
SignalServiceMessageReceiver receiver = ApplicationDependencies.getSignalServiceMessageReceiver();
|
|
return receiver.retrieveProfile(address, unidentifiedAccess);
|
|
}
|
|
|
|
private static Optional<UnidentifiedAccess> getUnidentifiedAccess(@NonNull Context context, @NonNull Recipient recipient) {
|
|
Optional<UnidentifiedAccessPair> unidentifiedAccess = UnidentifiedAccessUtil.getAccessFor(context, recipient);
|
|
|
|
if (unidentifiedAccess.isPresent()) {
|
|
return unidentifiedAccess.get().getTargetUnidentifiedAccess();
|
|
}
|
|
|
|
return Optional.absent();
|
|
}
|
|
}
|