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RetrieveProfileJob.java
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RetrieveProfileJob.java
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package org.thoughtcrime.securesms.jobs;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import android.text.TextUtils;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.RecipientDatabase;
import org.thoughtcrime.securesms.database.RecipientDatabase.UnidentifiedAccessMode;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.jobmanager.Data;
import org.thoughtcrime.securesms.jobmanager.Job;
import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.profiles.ProfileName;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.recipients.RecipientId;
import org.thoughtcrime.securesms.util.Base64;
import org.thoughtcrime.securesms.util.FeatureFlags;
import org.thoughtcrime.securesms.util.IdentityUtil;
import org.thoughtcrime.securesms.util.ProfileUtil;
import org.thoughtcrime.securesms.util.Util;
import org.whispersystems.libsignal.IdentityKey;
import org.whispersystems.libsignal.InvalidKeyException;
import org.whispersystems.signalservice.api.crypto.InvalidCiphertextException;
import org.whispersystems.signalservice.api.crypto.ProfileCipher;
import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
import java.io.IOException;
import java.util.List;
/**
* Retrieves a users profile and sets the appropriate local fields. If fetching the profile of the
* local user, use {@link RefreshOwnProfileJob} instead.
*/
public class RetrieveProfileJob extends BaseJob {
public static final String KEY = "RetrieveProfileJob";
private static final String TAG = RetrieveProfileJob.class.getSimpleName();
private static final String KEY_RECIPIENT = "recipient";
private final Recipient recipient;
public RetrieveProfileJob(@NonNull Recipient recipient) {
this(new Job.Parameters.Builder()
.addConstraint(NetworkConstraint.KEY)
.setMaxAttempts(3)
.build(),
recipient);
}
private RetrieveProfileJob(@NonNull Job.Parameters parameters, @NonNull Recipient recipient) {
super(parameters);
this.recipient = recipient;
}
@Override
public @NonNull Data serialize() {
return new Data.Builder().putString(KEY_RECIPIENT, recipient.getId().serialize()).build();
}
@Override
public @NonNull String getFactoryKey() {
return KEY;
}
@Override
public void onRun() throws IOException {
Log.i(TAG, "Retrieving profile of " + recipient.getId());
Recipient resolved = recipient.resolve();
if (resolved.isGroup()) handleGroupRecipient(resolved);
else handleIndividualRecipient(resolved);
}
@Override
public boolean onShouldRetry(@NonNull Exception e) {
return false;
}
@Override
public void onFailure() {}
private void handleIndividualRecipient(Recipient recipient) throws IOException {
if (recipient.hasServiceIdentifier()) handlePhoneNumberRecipient(recipient);
else Log.w(TAG, "Skipping fetching profile of non-Signal recipient");
}
private void handlePhoneNumberRecipient(Recipient recipient) throws IOException {
SignalServiceProfile profile = ProfileUtil.retrieveProfile(context, recipient);
if (recipient.getProfileKey() == null) {
Log.i(TAG, "No profile key available for " + recipient.getId());
} else {
Log.i(TAG, "Profile key available for " + recipient.getId());
}
setProfileName(recipient, profile.getName());
setProfileAvatar(recipient, profile.getAvatar());
if (FeatureFlags.usernames()) setUsername(recipient, profile.getUsername());
setProfileCapabilities(recipient, profile.getCapabilities());
setIdentityKey(recipient, profile.getIdentityKey());
setUnidentifiedAccessMode(recipient, profile.getUnidentifiedAccess(), profile.isUnrestrictedUnidentifiedAccess());
}
private void handleGroupRecipient(Recipient group) throws IOException {
List<Recipient> recipients = DatabaseFactory.getGroupDatabase(context).getGroupMembers(group.requireGroupId(), false);
for (Recipient recipient : recipients) {
handleIndividualRecipient(recipient);
}
}
private void setIdentityKey(Recipient recipient, String identityKeyValue) {
try {
if (TextUtils.isEmpty(identityKeyValue)) {
Log.w(TAG, "Identity key is missing on profile!");
return;
}
IdentityKey identityKey = new IdentityKey(Base64.decode(identityKeyValue), 0);
if (!DatabaseFactory.getIdentityDatabase(context)
.getIdentity(recipient.getId())
.isPresent())
{
Log.w(TAG, "Still first use...");
return;
}
IdentityUtil.saveIdentity(context, recipient.requireServiceId(), identityKey);
} catch (InvalidKeyException | IOException e) {
Log.w(TAG, e);
}
}
private void setUnidentifiedAccessMode(Recipient recipient, String unidentifiedAccessVerifier, boolean unrestrictedUnidentifiedAccess) {
RecipientDatabase recipientDatabase = DatabaseFactory.getRecipientDatabase(context);
byte[] profileKey = recipient.getProfileKey();
if (unrestrictedUnidentifiedAccess && unidentifiedAccessVerifier != null) {
if (recipient.getUnidentifiedAccessMode() != UnidentifiedAccessMode.UNRESTRICTED) {
Log.i(TAG, "Marking recipient UD status as unrestricted.");
recipientDatabase.setUnidentifiedAccessMode(recipient.getId(), UnidentifiedAccessMode.UNRESTRICTED);
}
} else if (profileKey == null || unidentifiedAccessVerifier == null) {
if (recipient.getUnidentifiedAccessMode() != UnidentifiedAccessMode.DISABLED) {
Log.i(TAG, "Marking recipient UD status as disabled.");
recipientDatabase.setUnidentifiedAccessMode(recipient.getId(), UnidentifiedAccessMode.DISABLED);
}
} else {
ProfileCipher profileCipher = new ProfileCipher(profileKey);
boolean verifiedUnidentifiedAccess;
try {
verifiedUnidentifiedAccess = profileCipher.verifyUnidentifiedAccess(Base64.decode(unidentifiedAccessVerifier));
} catch (IOException e) {
Log.w(TAG, e);
verifiedUnidentifiedAccess = false;
}
UnidentifiedAccessMode mode = verifiedUnidentifiedAccess ? UnidentifiedAccessMode.ENABLED : UnidentifiedAccessMode.DISABLED;
if (recipient.getUnidentifiedAccessMode() != mode) {
Log.i(TAG, "Marking recipient UD status as " + mode.name() + " after verification.");
recipientDatabase.setUnidentifiedAccessMode(recipient.getId(), mode);
}
}
}
private void setProfileName(Recipient recipient, String profileName) {
try {
byte[] profileKey = recipient.getProfileKey();
if (profileKey == null) return;
String plaintextProfileName = ProfileUtil.decryptName(profileKey, profileName);
if (!Util.equals(plaintextProfileName, recipient.getProfileName().serialize())) {
Log.i(TAG, "Profile name updated. Writing new value.");
DatabaseFactory.getRecipientDatabase(context).setProfileName(recipient.getId(), ProfileName.fromSerialized(plaintextProfileName));
}
if (TextUtils.isEmpty(plaintextProfileName)) {
Log.i(TAG, "No profile name set.");
}
} catch (InvalidCiphertextException | IOException e) {
Log.w(TAG, e);
}
}
private void setProfileAvatar(Recipient recipient, String profileAvatar) {
if (recipient.getProfileKey() == null) return;
if (!Util.equals(profileAvatar, recipient.getProfileAvatar())) {
ApplicationDependencies.getJobManager().add(new RetrieveProfileAvatarJob(recipient, profileAvatar));
} else {
Log.d(TAG, "Skipping avatar fetch for " + recipient.getId());
}
}
private void setUsername(Recipient recipient, @Nullable String username) {
DatabaseFactory.getRecipientDatabase(context).setUsername(recipient.getId(), username);
}
private void setProfileCapabilities(@NonNull Recipient recipient, @Nullable SignalServiceProfile.Capabilities capabilities) {
if (capabilities == null) {
return;
}
DatabaseFactory.getRecipientDatabase(context).setUuidSupported(recipient.getId(), capabilities.isUuid());
}
public static final class Factory implements Job.Factory<RetrieveProfileJob> {
@Override
public @NonNull RetrieveProfileJob create(@NonNull Parameters parameters, @NonNull Data data) {
return new RetrieveProfileJob(parameters, Recipient.resolved(RecipientId.from(data.getString(KEY_RECIPIENT))));
}
}
}