258 lines
10 KiB
Java
258 lines
10 KiB
Java
package org.thoughtcrime.securesms.jobs;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import android.text.TextUtils;
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import org.thoughtcrime.securesms.ApplicationContext;
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import org.thoughtcrime.securesms.crypto.UnidentifiedAccessUtil;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.RecipientDatabase;
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import org.thoughtcrime.securesms.database.RecipientDatabase.UnidentifiedAccessMode;
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import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
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import org.thoughtcrime.securesms.jobmanager.Data;
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import org.thoughtcrime.securesms.jobmanager.Job;
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import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint;
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import org.thoughtcrime.securesms.logging.Log;
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import org.thoughtcrime.securesms.recipients.Recipient;
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import org.thoughtcrime.securesms.recipients.RecipientId;
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import org.thoughtcrime.securesms.recipients.RecipientUtil;
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import org.thoughtcrime.securesms.service.IncomingMessageObserver;
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import org.thoughtcrime.securesms.util.Base64;
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import org.thoughtcrime.securesms.util.IdentityUtil;
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import org.thoughtcrime.securesms.util.Util;
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import org.whispersystems.libsignal.IdentityKey;
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import org.whispersystems.libsignal.InvalidKeyException;
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import org.whispersystems.libsignal.util.guava.Optional;
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import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
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import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
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import org.whispersystems.signalservice.api.crypto.InvalidCiphertextException;
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import org.whispersystems.signalservice.api.crypto.ProfileCipher;
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import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess;
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import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair;
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import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
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import org.whispersystems.signalservice.api.push.SignalServiceAddress;
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import org.whispersystems.signalservice.api.push.exceptions.NonSuccessfulResponseCodeException;
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import java.io.IOException;
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import java.util.List;
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public class RetrieveProfileJob extends BaseJob {
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public static final String KEY = "RetrieveProfileJob";
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private static final String TAG = RetrieveProfileJob.class.getSimpleName();
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private static final String KEY_RECIPIENT = "recipient";
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private final Recipient recipient;
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public RetrieveProfileJob(@NonNull Recipient recipient) {
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this(new Job.Parameters.Builder()
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.addConstraint(NetworkConstraint.KEY)
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.setMaxAttempts(3)
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.build(),
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recipient);
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}
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private RetrieveProfileJob(@NonNull Job.Parameters parameters, @NonNull Recipient recipient) {
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super(parameters);
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this.recipient = recipient;
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}
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@Override
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public @NonNull Data serialize() {
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return new Data.Builder().putString(KEY_RECIPIENT, recipient.getId().serialize()).build();
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}
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@Override
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public @NonNull String getFactoryKey() {
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return KEY;
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}
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@Override
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public void onRun() throws IOException {
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Recipient resolved = recipient.resolve();
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if (resolved.isGroup()) handleGroupRecipient(resolved);
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else handleIndividualRecipient(resolved);
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}
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@Override
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public boolean onShouldRetry(@NonNull Exception e) {
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return false;
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}
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@Override
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public void onCanceled() {}
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private void handleIndividualRecipient(Recipient recipient) throws IOException {
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if (recipient.hasServiceIdentifier()) handlePhoneNumberRecipient(recipient);
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else Log.w(TAG, "Skipping fetching profile of non-Signal recipient");
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}
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private void handlePhoneNumberRecipient(Recipient recipient) throws IOException {
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SignalServiceAddress address = RecipientUtil.toSignalServiceAddress(context, recipient);
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Optional<UnidentifiedAccess> unidentifiedAccess = getUnidentifiedAccess(recipient);
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SignalServiceProfile profile;
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try {
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profile = retrieveProfile(address, unidentifiedAccess);
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} catch (NonSuccessfulResponseCodeException e) {
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if (unidentifiedAccess.isPresent()) {
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profile = retrieveProfile(address, Optional.absent());
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} else {
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throw e;
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}
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}
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setIdentityKey(recipient, profile.getIdentityKey());
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setProfileName(recipient, profile.getName());
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setProfileAvatar(recipient, profile.getAvatar());
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setProfileCapabilities(recipient, profile.getCapabilities());
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setUnidentifiedAccessMode(recipient, profile.getUnidentifiedAccess(), profile.isUnrestrictedUnidentifiedAccess());
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}
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private void handleGroupRecipient(Recipient group) throws IOException {
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List<Recipient> recipients = DatabaseFactory.getGroupDatabase(context).getGroupMembers(group.requireGroupId(), false);
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for (Recipient recipient : recipients) {
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handleIndividualRecipient(recipient);
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}
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}
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private SignalServiceProfile retrieveProfile(@NonNull SignalServiceAddress address, Optional<UnidentifiedAccess> unidentifiedAccess)
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throws IOException
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{
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SignalServiceMessagePipe authPipe = IncomingMessageObserver.getPipe();
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SignalServiceMessagePipe unidentifiedPipe = IncomingMessageObserver.getUnidentifiedPipe();
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SignalServiceMessagePipe pipe = unidentifiedPipe != null && unidentifiedAccess.isPresent() ? unidentifiedPipe
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: authPipe;
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if (pipe != null) {
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try {
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return pipe.getProfile(address, unidentifiedAccess);
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} catch (IOException e) {
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Log.w(TAG, e);
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}
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}
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SignalServiceMessageReceiver receiver = ApplicationDependencies.getSignalServiceMessageReceiver();
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return receiver.retrieveProfile(address, unidentifiedAccess);
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}
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private void setIdentityKey(Recipient recipient, String identityKeyValue) {
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try {
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if (TextUtils.isEmpty(identityKeyValue)) {
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Log.w(TAG, "Identity key is missing on profile!");
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return;
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}
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IdentityKey identityKey = new IdentityKey(Base64.decode(identityKeyValue), 0);
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if (!DatabaseFactory.getIdentityDatabase(context)
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.getIdentity(recipient.getId())
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.isPresent())
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{
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Log.w(TAG, "Still first use...");
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return;
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}
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IdentityUtil.saveIdentity(context, recipient.requireServiceId(), identityKey);
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} catch (InvalidKeyException | IOException e) {
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Log.w(TAG, e);
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}
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}
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private void setUnidentifiedAccessMode(Recipient recipient, String unidentifiedAccessVerifier, boolean unrestrictedUnidentifiedAccess) {
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RecipientDatabase recipientDatabase = DatabaseFactory.getRecipientDatabase(context);
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byte[] profileKey = recipient.getProfileKey();
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if (unrestrictedUnidentifiedAccess && unidentifiedAccessVerifier != null) {
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if (recipient.getUnidentifiedAccessMode() != UnidentifiedAccessMode.UNRESTRICTED) {
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Log.i(TAG, "Marking recipient UD status as unrestricted.");
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recipientDatabase.setUnidentifiedAccessMode(recipient.getId(), UnidentifiedAccessMode.UNRESTRICTED);
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}
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} else if (profileKey == null || unidentifiedAccessVerifier == null) {
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if (recipient.getUnidentifiedAccessMode() != UnidentifiedAccessMode.DISABLED) {
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Log.i(TAG, "Marking recipient UD status as disabled.");
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recipientDatabase.setUnidentifiedAccessMode(recipient.getId(), UnidentifiedAccessMode.DISABLED);
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}
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} else {
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ProfileCipher profileCipher = new ProfileCipher(profileKey);
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boolean verifiedUnidentifiedAccess;
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try {
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verifiedUnidentifiedAccess = profileCipher.verifyUnidentifiedAccess(Base64.decode(unidentifiedAccessVerifier));
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} catch (IOException e) {
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Log.w(TAG, e);
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verifiedUnidentifiedAccess = false;
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}
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UnidentifiedAccessMode mode = verifiedUnidentifiedAccess ? UnidentifiedAccessMode.ENABLED : UnidentifiedAccessMode.DISABLED;
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if (recipient.getUnidentifiedAccessMode() != mode) {
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Log.i(TAG, "Marking recipient UD status as " + mode.name() + " after verification.");
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recipientDatabase.setUnidentifiedAccessMode(recipient.getId(), mode);
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}
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}
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}
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private void setProfileName(Recipient recipient, String profileName) {
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try {
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byte[] profileKey = recipient.getProfileKey();
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if (profileKey == null) return;
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String plaintextProfileName = null;
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if (profileName != null) {
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ProfileCipher profileCipher = new ProfileCipher(profileKey);
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plaintextProfileName = new String(profileCipher.decryptName(Base64.decode(profileName)));
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}
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if (!Util.equals(plaintextProfileName, recipient.getProfileName())) {
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DatabaseFactory.getRecipientDatabase(context).setProfileName(recipient.getId(), plaintextProfileName);
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}
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} catch (InvalidCiphertextException | IOException e) {
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Log.w(TAG, e);
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}
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}
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private void setProfileAvatar(Recipient recipient, String profileAvatar) {
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if (recipient.getProfileKey() == null) return;
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if (!Util.equals(profileAvatar, recipient.getProfileAvatar())) {
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ApplicationDependencies.getJobManager().add(new RetrieveProfileAvatarJob(recipient, profileAvatar));
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}
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}
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private void setProfileCapabilities(@NonNull Recipient recipient, @Nullable SignalServiceProfile.Capabilities capabilities) {
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if (capabilities == null) {
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return;
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}
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DatabaseFactory.getRecipientDatabase(context).setUuidSupported(recipient.getId(), capabilities.isUuid());
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}
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private Optional<UnidentifiedAccess> getUnidentifiedAccess(@NonNull Recipient recipient) {
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Optional<UnidentifiedAccessPair> unidentifiedAccess = UnidentifiedAccessUtil.getAccessFor(context, recipient);
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if (unidentifiedAccess.isPresent()) {
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return unidentifiedAccess.get().getTargetUnidentifiedAccess();
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}
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return Optional.absent();
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}
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public static final class Factory implements Job.Factory<RetrieveProfileJob> {
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@Override
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public @NonNull RetrieveProfileJob create(@NonNull Parameters parameters, @NonNull Data data) {
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return new RetrieveProfileJob(parameters, Recipient.resolved(RecipientId.from(data.getString(KEY_RECIPIENT))));
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}
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}
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}
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