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

   1 package org.asamk.signal.manager.helper;
   2
   3 import org.asamk.signal.manager.SignalDependencies;
   4 import org.asamk.signal.manager.api.RecipientIdentifier;
   5 import org.asamk.signal.manager.api.UnregisteredRecipientException;
   6 import org.asamk.signal.manager.config.ServiceConfig;
   7 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
   8 import org.asamk.signal.manager.storage.SignalAccount;
   9 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  10 import org.asamk.signal.manager.storage.recipients.RecipientId;
  11 import org.signal.libsignal.protocol.InvalidKeyException;
  12 import org.slf4j.Logger;
  13 import org.slf4j.LoggerFactory;
  14 import org.whispersystems.signalservice.api.push.ACI;
  15 import org.whispersystems.signalservice.api.push.ServiceId;
  16 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  17 import org.whispersystems.signalservice.api.services.CdsiV2Service;
  18 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
  19 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
  20 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
  21
  22 import java.io.IOException;
  23 import java.security.SignatureException;
  24 import java.util.Collection;
  25 import java.util.HashMap;
  26 import java.util.HashSet;
  27 import java.util.Map;
  28 import java.util.Optional;
  29 import java.util.Set;
  30
  31 public class RecipientHelper {
  32
  33     private final static Logger logger = LoggerFactory.getLogger(RecipientHelper.class);
  34
  35     private final SignalAccount account;
  36     private final SignalDependencies dependencies;
  37     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  38
  39     public RecipientHelper(final Context context) {
  40         this.account = context.getAccount();
  41         this.dependencies = context.getDependencies();
  42         this.serviceEnvironmentConfig = dependencies.getServiceEnvironmentConfig();
  43     }
  44
  45     public SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
  46         final var address = account.getRecipientAddressResolver().resolveRecipientAddress(recipientId);
  47         if (address.number().isEmpty() || address.uuid().isPresent()) {
  48             return address.toSignalServiceAddress();
  49         }
  50
  51         // Address in recipient store doesn't have a uuid, this shouldn't happen
  52         // Try to retrieve the uuid from the server
  53         final var number = address.number().get();
  54         final ACI aci;
  55         try {
  56             aci = getRegisteredUser(number);
  57         } catch (UnregisteredRecipientException e) {
  58             logger.warn("Failed to get uuid for e164 number: {}", number);
  59             // Return SignalServiceAddress with unknown UUID
  60             return address.toSignalServiceAddress();
  61         } catch (IOException e) {
  62             logger.warn("Failed to get uuid for e164 number: {}", number, e);
  63             // Return SignalServiceAddress with unknown UUID
  64             return address.toSignalServiceAddress();
  65         }
  66         return account.getRecipientAddressResolver()
  67                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(aci))
  68                 .toSignalServiceAddress();
  69     }
  70
  71     public RecipientId resolveRecipient(final SignalServiceAddress address) {
  72         return account.getRecipientResolver().resolveRecipient(address);
  73     }
  74
  75     public Set<RecipientId> resolveRecipients(Collection<RecipientIdentifier.Single> recipients) throws UnregisteredRecipientException {
  76         final var recipientIds = new HashSet<RecipientId>(recipients.size());
  77         for (var number : recipients) {
  78             final var recipientId = resolveRecipient(number);
  79             recipientIds.add(recipientId);
  80         }
  81         return recipientIds;
  82     }
  83
  84     public RecipientId resolveRecipient(final RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
  85         if (recipient instanceof RecipientIdentifier.Uuid uuidRecipient) {
  86             return account.getRecipientResolver().resolveRecipient(ServiceId.from(uuidRecipient.uuid()));
  87         } else {
  88             final var number = ((RecipientIdentifier.Number) recipient).number();
  89             return account.getRecipientStore().resolveRecipient(number, () -> {
  90                 try {
  91                     return getRegisteredUser(number);
  92                 } catch (Exception e) {
  93                     return null;
  94                 }
  95             });
  96         }
  97     }
  98
  99     public RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException, UnregisteredRecipientException {
 100         final var address = resolveSignalServiceAddress(recipientId);
 101         if (address.getNumber().isEmpty()) {
 102             return recipientId;
 103         }
 104         final var number = address.getNumber().get();
 105         final var uuid = getRegisteredUser(number);
 106         return account.getRecipientTrustedResolver().resolveRecipientTrusted(new SignalServiceAddress(uuid, number));
 107     }
 108
 109     public Map<String, ACI> getRegisteredUsers(final Set<String> numbers) throws IOException {
 110         Map<String, ACI> registeredUsers;
 111         try {
 112             registeredUsers = getRegisteredUsersV2(numbers, true);
 113         } catch (IOException e) {
 114             logger.warn("CDSI request failed, trying fallback to CDS", e);
 115             registeredUsers = getRegisteredUsersV1(numbers);
 116         }
 117
 118         // Store numbers as recipients, so we have the number/uuid association
 119         registeredUsers.forEach((number, aci) -> account.getRecipientTrustedResolver()
 120                 .resolveRecipientTrusted(new SignalServiceAddress(aci, number)));
 121
 122         return registeredUsers;
 123     }
 124
 125     private ACI getRegisteredUser(final String number) throws IOException, UnregisteredRecipientException {
 126         final Map<String, ACI> aciMap;
 127         try {
 128             aciMap = getRegisteredUsers(Set.of(number));
 129         } catch (NumberFormatException e) {
 130             throw new UnregisteredRecipientException(new RecipientAddress(null, number));
 131         }
 132         final var uuid = aciMap.get(number);
 133         if (uuid == null) {
 134             throw new UnregisteredRecipientException(new RecipientAddress(null, number));
 135         }
 136         return uuid;
 137     }
 138
 139     private Map<String, ACI> getRegisteredUsersV1(final Set<String> numbers) throws IOException {
 140         final Map<String, ACI> registeredUsers;
 141         try {
 142             registeredUsers = dependencies.getAccountManager()
 143                     .getRegisteredUsers(ServiceConfig.getIasKeyStore(),
 144                             numbers,
 145                             serviceEnvironmentConfig.getCdsMrenclave());
 146         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException |
 147                  UnauthenticatedResponseException | InvalidKeyException | NumberFormatException e) {
 148             throw new IOException(e);
 149         }
 150         return registeredUsers;
 151     }
 152
 153     private Map<String, ACI> getRegisteredUsersV2(final Set<String> numbers, boolean useCompat) throws IOException {
 154         // Only partial refresh is implemented here
 155         final CdsiV2Service.Response response;
 156         try {
 157             response = dependencies.getAccountManager()
 158                     .getRegisteredUsersWithCdsi(Set.of(),
 159                             numbers,
 160                             account.getRecipientStore().getServiceIdToProfileKeyMap(),
 161                             useCompat,
 162                             Optional.empty(),
 163                             serviceEnvironmentConfig.getCdsiMrenclave(),
 164                             token -> {
 165                                 // Not storing for partial refresh
 166                             });
 167         } catch (NumberFormatException e) {
 168             throw new IOException(e);
 169         }
 170         logger.debug("CDSI request successful, quota used by this request: {}", response.getQuotaUsedDebugOnly());
 171
 172         final var registeredUsers = new HashMap<String, ACI>();
 173         response.getResults().forEach((key, value) -> {
 174             if (value.getAci().isPresent()) {
 175                 registeredUsers.put(key, value.getAci().get());
 176             }
 177         });
 178         return registeredUsers;
 179     }
 180
 181     private ACI getRegisteredUserByUsername(String username) throws IOException {
 182         return dependencies.getAccountManager().getAciByUsername(username);
 183     }
 184 }