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

   1 /*
   2   Copyright (C) 2015-2022 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.api.UserAlreadyExistsException;
  20 import org.asamk.signal.manager.config.ServiceConfig;
  21 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  22 import org.asamk.signal.manager.storage.SignalAccount;
  23 import org.asamk.signal.manager.storage.accounts.AccountsStore;
  24 import org.asamk.signal.manager.storage.identities.TrustNewIdentity;
  25 import org.asamk.signal.manager.util.KeyUtils;
  26 import org.signal.libsignal.protocol.IdentityKeyPair;
  27 import org.signal.libsignal.protocol.util.KeyHelper;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  31 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  32 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  33 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  34 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  35 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  36 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  37
  38 import java.io.IOException;
  39 import java.net.URI;
  40 import java.nio.channels.OverlappingFileLockException;
  41 import java.util.concurrent.TimeoutException;
  42 import java.util.function.Consumer;
  43
  44 class ProvisioningManagerImpl implements ProvisioningManager {
  45
  46     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  47
  48     private final PathConfig pathConfig;
  49     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  50     private final String userAgent;
  51     private final Consumer<Manager> newManagerListener;
  52     private final AccountsStore accountsStore;
  53
  54     private final SignalServiceAccountManager accountManager;
  55     private final IdentityKeyPair tempIdentityKey;
  56     private final int registrationId;
  57     private final String password;
  58
  59     ProvisioningManagerImpl(
  60             PathConfig pathConfig,
  61             ServiceEnvironmentConfig serviceEnvironmentConfig,
  62             String userAgent,
  63             final Consumer<Manager> newManagerListener,
  64             final AccountsStore accountsStore
  65     ) {
  66         this.pathConfig = pathConfig;
  67         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  68         this.userAgent = userAgent;
  69         this.newManagerListener = newManagerListener;
  70         this.accountsStore = accountsStore;
  71
  72         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  73         registrationId = KeyHelper.generateRegistrationId(false);
  74         password = KeyUtils.createPassword();
  75         GroupsV2Operations groupsV2Operations;
  76         try {
  77             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()),
  78                     ServiceConfig.GROUP_MAX_SIZE);
  79         } catch (Throwable ignored) {
  80             groupsV2Operations = null;
  81         }
  82         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  83                 new DynamicCredentialsProvider(null, null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  84                 userAgent,
  85                 groupsV2Operations,
  86                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  87     }
  88
  89     @Override
  90     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  91         var deviceUuid = accountManager.getNewDeviceUuid();
  92
  93         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  94     }
  95
  96     @Override
  97     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
  98         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  99         var number = ret.getNumber();
 100         var aci = ret.getAci();
 101         var pni = ret.getPni();
 102
 103         logger.info("Received link information from {}, linking in progress ...", number);
 104
 105         var accountPath = accountsStore.getPathByAci(aci);
 106         if (accountPath == null) {
 107             accountPath = accountsStore.getPathByNumber(number);
 108         }
 109         if (accountPath != null
 110                 && SignalAccount.accountFileExists(pathConfig.dataPath(), accountPath)
 111                 && !canRelinkExistingAccount(accountPath)) {
 112             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 113         }
 114         if (accountPath == null) {
 115             accountPath = accountsStore.addAccount(number, aci);
 116         } else {
 117             accountsStore.updateAccount(accountPath, number, aci);
 118         }
 119
 120         var encryptedDeviceName = deviceName == null
 121                 ? null
 122                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getAciIdentity().getPrivateKey());
 123
 124         logger.debug("Finishing new device registration");
 125         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 126                 false,
 127                 true,
 128                 registrationId,
 129                 encryptedDeviceName);
 130
 131         // Create new account with the synced identity
 132         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 133
 134         SignalAccount account = null;
 135         try {
 136             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 137                     accountPath,
 138                     number,
 139                     serviceEnvironmentConfig.getType(),
 140                     aci,
 141                     pni,
 142                     password,
 143                     encryptedDeviceName,
 144                     deviceId,
 145                     ret.getAciIdentity(),
 146                     ret.getPniIdentity(),
 147                     registrationId,
 148                     profileKey,
 149                     TrustNewIdentity.ON_FIRST_USE);
 150
 151             ManagerImpl m = null;
 152             try {
 153                 final var accountPathFinal = accountPath;
 154                 m = new ManagerImpl(account,
 155                         pathConfig,
 156                         (newNumber, newAci) -> accountsStore.updateAccount(accountPathFinal, newNumber, newAci),
 157                         serviceEnvironmentConfig,
 158                         userAgent);
 159                 account = null;
 160
 161                 logger.debug("Refreshing pre keys");
 162                 try {
 163                     m.refreshPreKeys();
 164                 } catch (Exception e) {
 165                     logger.error("Failed to refresh pre keys.");
 166                 }
 167
 168                 logger.debug("Requesting sync data");
 169                 try {
 170                     m.requestAllSyncData();
 171                 } catch (Exception e) {
 172                     logger.error(
 173                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.");
 174                 }
 175
 176                 if (newManagerListener != null) {
 177                     newManagerListener.accept(m);
 178                     m = null;
 179                 }
 180                 return number;
 181             } finally {
 182                 if (m != null) {
 183                     m.close();
 184                 }
 185             }
 186         } finally {
 187             if (account != null) {
 188                 account.close();
 189             }
 190         }
 191     }
 192
 193     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 194         final SignalAccount signalAccount;
 195         try {
 196             signalAccount = SignalAccount.load(pathConfig.dataPath(),
 197                     accountPath,
 198                     false,
 199                     TrustNewIdentity.ON_FIRST_USE);
 200         } catch (IOException e) {
 201             logger.debug("Account in use or failed to load.", e);
 202             return false;
 203         } catch (OverlappingFileLockException e) {
 204             logger.debug("Account in use.", e);
 205             return false;
 206         }
 207
 208         try (signalAccount) {
 209             if (signalAccount.isMasterDevice()) {
 210                 logger.debug("Account is a master device.");
 211                 return false;
 212             }
 213             if (signalAccount.isRegistered()
 214                     && signalAccount.getServiceEnvironment() != null
 215                     && signalAccount.getServiceEnvironment() != serviceEnvironmentConfig.getType()) {
 216                 logger.debug("Account is registered in another environment: {}.",
 217                         signalAccount.getServiceEnvironment());
 218                 return false;
 219             }
 220
 221             final var m = new ManagerImpl(signalAccount,
 222                     pathConfig,
 223                     (newNumber, newAci) -> accountsStore.updateAccount(accountPath, newNumber, newAci),
 224                     serviceEnvironmentConfig,
 225                     userAgent);
 226             try (m) {
 227                 m.checkAccountState();
 228             } catch (AuthorizationFailedException ignored) {
 229                 return true;
 230             }
 231
 232             logger.debug("Account is still successfully linked.");
 233             return false;
 234         }
 235     }
 236 }