nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/helper/ProfileHelper.java

   1 package org.asamk.signal.manager.helper;
   2
   3 import org.asamk.signal.manager.api.GroupNotFoundException;
   4 import org.asamk.signal.manager.api.NotAGroupMemberException;
   5 import org.asamk.signal.manager.api.PhoneNumberSharingMode;
   6 import org.asamk.signal.manager.api.Profile;
   7 import org.asamk.signal.manager.config.ServiceConfig;
   8 import org.asamk.signal.manager.internal.SignalDependencies;
   9 import org.asamk.signal.manager.jobs.SyncStorageJob;
  10 import org.asamk.signal.manager.storage.SignalAccount;
  11 import org.asamk.signal.manager.storage.groups.GroupInfoV2;
  12 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  13 import org.asamk.signal.manager.storage.recipients.RecipientId;
  14 import org.asamk.signal.manager.util.IOUtils;
  15 import org.asamk.signal.manager.util.KeyUtils;
  16 import org.asamk.signal.manager.util.PaymentUtils;
  17 import org.asamk.signal.manager.util.ProfileUtils;
  18 import org.asamk.signal.manager.util.Utils;
  19 import org.signal.libsignal.protocol.IdentityKey;
  20 import org.signal.libsignal.protocol.InvalidKeyException;
  21 import org.signal.libsignal.zkgroup.profiles.ExpiringProfileKeyCredential;
  22 import org.signal.libsignal.zkgroup.profiles.ProfileKey;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25 import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess;
  26 import org.whispersystems.signalservice.api.profiles.AvatarUploadParams;
  27 import org.whispersystems.signalservice.api.profiles.ProfileAndCredential;
  28 import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
  29 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  30 import org.whispersystems.signalservice.api.push.exceptions.NotFoundException;
  31 import org.whispersystems.signalservice.api.push.exceptions.PushNetworkException;
  32 import org.whispersystems.signalservice.api.services.ProfileService;
  33 import org.whispersystems.signalservice.api.util.ExpiringProfileCredentialUtil;
  34
  35 import java.io.IOException;
  36 import java.io.OutputStream;
  37 import java.nio.file.Files;
  38 import java.util.Base64;
  39 import java.util.Collection;
  40 import java.util.List;
  41 import java.util.Locale;
  42 import java.util.Objects;
  43 import java.util.Optional;
  44 import java.util.Set;
  45
  46 import io.reactivex.rxjava3.core.Flowable;
  47 import io.reactivex.rxjava3.core.Maybe;
  48 import io.reactivex.rxjava3.core.Single;
  49
  50 public final class ProfileHelper {
  51
  52     private static final Logger logger = LoggerFactory.getLogger(ProfileHelper.class);
  53
  54     private final SignalAccount account;
  55     private final SignalDependencies dependencies;
  56     private final Context context;
  57
  58     public ProfileHelper(final Context context) {
  59         this.account = context.getAccount();
  60         this.dependencies = context.getDependencies();
  61         this.context = context;
  62     }
  63
  64     public void rotateProfileKey() throws IOException {
  65         // refresh our profile, before creating a new profile key
  66         getSelfProfile();
  67         var profileKey = KeyUtils.createProfileKey();
  68         account.setProfileKey(profileKey);
  69         context.getAccountHelper().updateAccountAttributes();
  70         setProfile(true, true, null, null, null, null, null, null);
  71         account.getRecipientStore().rotateSelfStorageId();
  72         context.getJobExecutor().enqueueJob(new SyncStorageJob());
  73
  74         final var recipientIds = account.getRecipientStore().getRecipientIdsWithEnabledProfileSharing();
  75         for (final var recipientId : recipientIds) {
  76             context.getSendHelper().sendProfileKey(recipientId);
  77         }
  78
  79         final var selfRecipientId = account.getSelfRecipientId();
  80         final var activeGroupIds = account.getGroupStore()
  81                 .getGroups()
  82                 .stream()
  83                 .filter(g -> g instanceof GroupInfoV2 && g.isMember(selfRecipientId) && g.isProfileSharingEnabled())
  84                 .map(g -> (GroupInfoV2) g)
  85                 .map(GroupInfoV2::getGroupId)
  86                 .toList();
  87         for (final var groupId : activeGroupIds) {
  88             try {
  89                 context.getGroupHelper().updateGroupProfileKey(groupId);
  90             } catch (GroupNotFoundException | NotAGroupMemberException | IOException e) {
  91                 logger.warn("Failed to update group profile key: {}", e.getMessage());
  92             }
  93         }
  94     }
  95
  96     public Profile getRecipientProfile(RecipientId recipientId) {
  97         return getRecipientProfile(recipientId, false);
  98     }
  99
 100     public List<Profile> getRecipientProfiles(Collection<RecipientId> recipientIds) {
 101         return getRecipientProfiles(recipientIds, false);
 102     }
 103
 104     public void refreshRecipientProfile(RecipientId recipientId) {
 105         getRecipientProfile(recipientId, true);
 106     }
 107
 108     public void refreshRecipientProfiles(Collection<RecipientId> recipientIds) {
 109         getRecipientProfiles(recipientIds, true);
 110     }
 111
 112     public List<ExpiringProfileKeyCredential> getExpiringProfileKeyCredential(List<RecipientId> recipientIds) {
 113         final var profileFetches = Flowable.fromIterable(recipientIds)
 114                 .filter(recipientId -> !ExpiringProfileCredentialUtil.isValid(account.getProfileStore()
 115                         .getExpiringProfileKeyCredential(recipientId)))
 116                 .map(recipientId -> retrieveProfile(recipientId,
 117                         SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL).onErrorComplete());
 118         Maybe.merge(profileFetches, 10).blockingSubscribe();
 119
 120         return recipientIds.stream().map(r -> account.getProfileStore().getExpiringProfileKeyCredential(r)).toList();
 121     }
 122
 123     public ExpiringProfileKeyCredential getExpiringProfileKeyCredential(RecipientId recipientId) {
 124         var profileKeyCredential = account.getProfileStore().getExpiringProfileKeyCredential(recipientId);
 125         if (ExpiringProfileCredentialUtil.isValid(profileKeyCredential)) {
 126             return profileKeyCredential;
 127         }
 128
 129         try {
 130             blockingGetProfile(retrieveProfile(recipientId, SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL));
 131         } catch (IOException e) {
 132             logger.warn("Failed to retrieve profile key credential, ignoring: {}", e.getMessage());
 133             return null;
 134         }
 135
 136         return account.getProfileStore().getExpiringProfileKeyCredential(recipientId);
 137     }
 138
 139     /**
 140      * @param givenName  if null, the previous givenName will be kept
 141      * @param familyName if null, the previous familyName will be kept
 142      * @param about      if null, the previous about text will be kept
 143      * @param aboutEmoji if null, the previous about emoji will be kept
 144      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 145      */
 146     public void setProfile(
 147             String givenName,
 148             final String familyName,
 149             String about,
 150             String aboutEmoji,
 151             Optional<String> avatar,
 152             byte[] mobileCoinAddress
 153     ) throws IOException {
 154         setProfile(true, false, givenName, familyName, about, aboutEmoji, avatar, mobileCoinAddress);
 155     }
 156
 157     public void setProfile(
 158             boolean uploadProfile,
 159             boolean forceUploadAvatar,
 160             String givenName,
 161             final String familyName,
 162             String about,
 163             String aboutEmoji,
 164             Optional<String> avatar,
 165             byte[] mobileCoinAddress
 166     ) throws IOException {
 167         var profile = getSelfProfile();
 168         var builder = profile == null ? Profile.newBuilder() : Profile.newBuilder(profile);
 169         if (givenName != null) {
 170             builder.withGivenName(givenName);
 171         }
 172         if (familyName != null) {
 173             builder.withFamilyName(familyName);
 174         }
 175         if (about != null) {
 176             builder.withAbout(about);
 177         }
 178         if (aboutEmoji != null) {
 179             builder.withAboutEmoji(aboutEmoji);
 180         }
 181         if (mobileCoinAddress != null) {
 182             builder.withMobileCoinAddress(mobileCoinAddress);
 183         }
 184         var newProfile = builder.build();
 185
 186         if (uploadProfile) {
 187             final var streamDetails = avatar != null && avatar.isPresent()
 188                     ? Utils.createStreamDetails(avatar.get())
 189                     .first()
 190                     : forceUploadAvatar && avatar == null ? context.getAvatarStore()
 191                             .retrieveProfileAvatar(account.getSelfRecipientAddress()) : null;
 192             try (streamDetails) {
 193                 final var avatarUploadParams = streamDetails != null
 194                         ? AvatarUploadParams.forAvatar(streamDetails)
 195                         : avatar == null ? AvatarUploadParams.unchanged(true) : AvatarUploadParams.unchanged(false);
 196                 final var paymentsAddress = Optional.ofNullable(newProfile.getMobileCoinAddress())
 197                         .map(address -> PaymentUtils.signPaymentsAddress(address,
 198                                 account.getAciIdentityKeyPair().getPrivateKey()));
 199                 logger.debug("Uploading new profile");
 200                 final var avatarPath = dependencies.getAccountManager()
 201                         .setVersionedProfile(account.getAci(),
 202                                 account.getProfileKey(),
 203                                 newProfile.getInternalServiceName(),
 204                                 newProfile.getAbout() == null ? "" : newProfile.getAbout(),
 205                                 newProfile.getAboutEmoji() == null ? "" : newProfile.getAboutEmoji(),
 206                                 paymentsAddress,
 207                                 avatarUploadParams,
 208                                 List.of(/* TODO implement support for badges */),
 209                                 account.getConfigurationStore().getPhoneNumberSharingMode()
 210                                         == PhoneNumberSharingMode.EVERYBODY);
 211                 if (!avatarUploadParams.keepTheSame) {
 212                     builder.withAvatarUrlPath(avatarPath.orElse(null));
 213                 }
 214                 newProfile = builder.build();
 215             }
 216         }
 217
 218         if (avatar != null) {
 219             if (avatar.isPresent()) {
 220                 try (final var streamDetails = Utils.createStreamDetails(avatar.get()).first()) {
 221                     context.getAvatarStore()
 222                             .storeProfileAvatar(account.getSelfRecipientAddress(),
 223                                     outputStream -> IOUtils.copyStream(streamDetails.getStream(), outputStream));
 224                 }
 225             } else {
 226                 context.getAvatarStore().deleteProfileAvatar(account.getSelfRecipientAddress());
 227             }
 228         }
 229         account.getProfileStore().storeProfile(account.getSelfRecipientId(), newProfile);
 230     }
 231
 232     public Profile getSelfProfile() {
 233         return getRecipientProfile(account.getSelfRecipientId());
 234     }
 235
 236     private List<Profile> getRecipientProfiles(Collection<RecipientId> recipientIds, boolean force) {
 237         final var profileStore = account.getProfileStore();
 238         final var profileFetches = Flowable.fromIterable(recipientIds)
 239                 .filter(recipientId -> force || isProfileRefreshRequired(profileStore.getProfile(recipientId)))
 240                 .map(recipientId -> retrieveProfile(recipientId,
 241                         SignalServiceProfile.RequestType.PROFILE).onErrorComplete());
 242         Maybe.merge(profileFetches, 10).blockingSubscribe();
 243
 244         return recipientIds.stream().map(profileStore::getProfile).toList();
 245     }
 246
 247     private Profile getRecipientProfile(RecipientId recipientId, boolean force) {
 248         var profile = account.getProfileStore().getProfile(recipientId);
 249
 250         if (!force && !isProfileRefreshRequired(profile)) {
 251             return profile;
 252         }
 253
 254         try {
 255             blockingGetProfile(retrieveProfile(recipientId, SignalServiceProfile.RequestType.PROFILE));
 256         } catch (IOException e) {
 257             logger.warn("Failed to retrieve profile, ignoring: {}", e.getMessage());
 258         }
 259
 260         return account.getProfileStore().getProfile(recipientId);
 261     }
 262
 263     private boolean isProfileRefreshRequired(final Profile profile) {
 264         if (profile == null) {
 265             return true;
 266         }
 267         // Profiles are cached for 6h before retrieving them again, unless forced
 268         final var now = System.currentTimeMillis();
 269         return now - profile.getLastUpdateTimestamp() >= 6 * 60 * 60 * 1000;
 270     }
 271
 272     private Profile decryptProfileAndDownloadAvatar(
 273             final RecipientId recipientId, final ProfileKey profileKey, final SignalServiceProfile encryptedProfile
 274     ) {
 275         final var avatarPath = encryptedProfile.getAvatar();
 276         downloadProfileAvatar(recipientId, avatarPath, profileKey);
 277
 278         return ProfileUtils.decryptProfile(profileKey, encryptedProfile);
 279     }
 280
 281     public void downloadProfileAvatar(
 282             final RecipientId recipientId, final String avatarPath, final ProfileKey profileKey
 283     ) {
 284         var profile = account.getProfileStore().getProfile(recipientId);
 285         if (profile == null || !Objects.equals(avatarPath, profile.getAvatarUrlPath())) {
 286             logger.trace("Downloading profile avatar for {}", recipientId);
 287             downloadProfileAvatar(account.getRecipientAddressResolver().resolveRecipientAddress(recipientId),
 288                     avatarPath,
 289                     profileKey);
 290             var builder = profile == null ? Profile.newBuilder() : Profile.newBuilder(profile);
 291             account.getProfileStore().storeProfile(recipientId, builder.withAvatarUrlPath(avatarPath).build());
 292         }
 293     }
 294
 295     private ProfileAndCredential blockingGetProfile(Single<ProfileAndCredential> profile) throws IOException {
 296         try {
 297             return profile.blockingGet();
 298         } catch (RuntimeException e) {
 299             if (e.getCause() instanceof PushNetworkException) {
 300                 throw (PushNetworkException) e.getCause();
 301             } else if (e.getCause() instanceof NotFoundException) {
 302                 throw (NotFoundException) e.getCause();
 303             } else {
 304                 throw new IOException(e);
 305             }
 306         }
 307     }
 308
 309     private Single<ProfileAndCredential> retrieveProfile(
 310             RecipientId recipientId, SignalServiceProfile.RequestType requestType
 311     ) {
 312         var unidentifiedAccess = getUnidentifiedAccess(recipientId);
 313         var profileKey = Optional.ofNullable(account.getProfileStore().getProfileKey(recipientId));
 314
 315         logger.trace("Retrieving profile for {} {}",
 316                 recipientId,
 317                 profileKey.isPresent() ? "with profile key" : "without profile key");
 318         final var address = context.getRecipientHelper().resolveSignalServiceAddress(recipientId);
 319         return retrieveProfile(address, profileKey, unidentifiedAccess, requestType).doOnSuccess(p -> {
 320             logger.trace("Got new profile for {}", recipientId);
 321             final var encryptedProfile = p.getProfile();
 322
 323             if (requestType == SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL
 324                     || !ExpiringProfileCredentialUtil.isValid(account.getProfileStore()
 325                     .getExpiringProfileKeyCredential(recipientId))) {
 326                 logger.trace("Storing profile credential");
 327                 final var profileKeyCredential = p.getExpiringProfileKeyCredential().orElse(null);
 328                 account.getProfileStore().storeExpiringProfileKeyCredential(recipientId, profileKeyCredential);
 329             }
 330
 331             final var profile = account.getProfileStore().getProfile(recipientId);
 332
 333             if (recipientId.equals(account.getSelfRecipientId())) {
 334                 final var isUnrestricted = encryptedProfile.isUnrestrictedUnidentifiedAccess();
 335                 if (account.isUnrestrictedUnidentifiedAccess() != isUnrestricted) {
 336                     account.setUnrestrictedUnidentifiedAccess(isUnrestricted);
 337                 }
 338             }
 339
 340             Profile newProfile = null;
 341             if (profileKey.isPresent()) {
 342                 logger.trace("Decrypting profile");
 343                 newProfile = decryptProfileAndDownloadAvatar(recipientId, profileKey.get(), encryptedProfile);
 344             }
 345
 346             if (newProfile == null) {
 347                 newProfile = (
 348                         profile == null ? Profile.newBuilder() : Profile.newBuilder(profile)
 349                 ).withLastUpdateTimestamp(System.currentTimeMillis())
 350                         .withUnidentifiedAccessMode(ProfileUtils.getUnidentifiedAccessMode(encryptedProfile, null))
 351                         .withCapabilities(ProfileUtils.getCapabilities(encryptedProfile))
 352                         .build();
 353             }
 354
 355             try {
 356                 logger.trace("Storing identity");
 357                 final var identityKey = new IdentityKey(Base64.getDecoder().decode(encryptedProfile.getIdentityKey()));
 358                 account.getIdentityKeyStore().saveIdentity(p.getProfile().getServiceId(), identityKey);
 359             } catch (InvalidKeyException ignored) {
 360                 logger.warn("Got invalid identity key in profile for {}",
 361                         context.getRecipientHelper().resolveSignalServiceAddress(recipientId).getIdentifier());
 362             }
 363
 364             logger.trace("Storing profile");
 365             account.getProfileStore().storeProfile(recipientId, newProfile);
 366
 367             logger.trace("Done handling retrieved profile");
 368         }).doOnError(e -> {
 369             logger.warn("Failed to retrieve profile, ignoring: {}", e.getMessage());
 370             final var profile = account.getProfileStore().getProfile(recipientId);
 371             final var newProfile = (
 372                     profile == null ? Profile.newBuilder() : Profile.newBuilder(profile)
 373             ).withLastUpdateTimestamp(System.currentTimeMillis())
 374                     .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 375                     .withCapabilities(Set.of())
 376                     .build();
 377
 378             account.getProfileStore().storeProfile(recipientId, newProfile);
 379         });
 380     }
 381
 382     private Single<ProfileAndCredential> retrieveProfile(
 383             SignalServiceAddress address,
 384             Optional<ProfileKey> profileKey,
 385             Optional<UnidentifiedAccess> unidentifiedAccess,
 386             SignalServiceProfile.RequestType requestType
 387     ) {
 388         final var profileService = dependencies.getProfileService();
 389         final var locale = Utils.getDefaultLocale(Locale.US);
 390
 391         return profileService.getProfile(address, profileKey, unidentifiedAccess, requestType, locale).map(pair -> {
 392             var processor = new ProfileService.ProfileResponseProcessor(pair);
 393             if (processor.hasResult()) {
 394                 return processor.getResult();
 395             } else if (processor.notFound()) {
 396                 throw new NotFoundException("Profile not found");
 397             } else {
 398                 throw pair.getExecutionError()
 399                         .or(pair::getApplicationError)
 400                         .orElseThrow(() -> new IOException("Unknown error while retrieving profile"));
 401             }
 402         });
 403     }
 404
 405     private void downloadProfileAvatar(
 406             RecipientAddress address, String avatarPath, ProfileKey profileKey
 407     ) {
 408         if (avatarPath == null) {
 409             try {
 410                 context.getAvatarStore().deleteProfileAvatar(address);
 411             } catch (IOException e) {
 412                 logger.warn("Failed to delete local profile avatar, ignoring: {}", e.getMessage());
 413             }
 414             return;
 415         }
 416
 417         try {
 418             context.getAvatarStore()
 419                     .storeProfileAvatar(address,
 420                             outputStream -> retrieveProfileAvatar(avatarPath, profileKey, outputStream));
 421         } catch (Throwable e) {
 422             logger.warn("Failed to download profile avatar, ignoring: {}", e.getMessage());
 423         }
 424     }
 425
 426     private void retrieveProfileAvatar(
 427             String avatarPath, ProfileKey profileKey, OutputStream outputStream
 428     ) throws IOException {
 429         var tmpFile = IOUtils.createTempFile();
 430         try (var input = dependencies.getMessageReceiver()
 431                 .retrieveProfileAvatar(avatarPath,
 432                         tmpFile,
 433                         profileKey,
 434                         ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
 435             // Use larger buffer size to prevent AssertionError: Need: 12272 but only have: 8192 ...
 436             IOUtils.copyStream(input, outputStream, (int) ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE);
 437         } finally {
 438             try {
 439                 Files.delete(tmpFile.toPath());
 440             } catch (IOException e) {
 441                 logger.warn("Failed to delete received profile avatar temp file “{}”, ignoring: {}",
 442                         tmpFile,
 443                         e.getMessage());
 444             }
 445         }
 446     }
 447
 448     private Optional<UnidentifiedAccess> getUnidentifiedAccess(RecipientId recipientId) {
 449         var unidentifiedAccess = context.getUnidentifiedAccessHelper().getAccessFor(recipientId, true);
 450
 451         if (unidentifiedAccess.isPresent()) {
 452             return unidentifiedAccess.get().getTargetUnidentifiedAccess();
 453         }
 454
 455         return Optional.empty();
 456     }
 457 }