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.util.KeyUtils;
  25 import org.signal.libsignal.protocol.IdentityKeyPair;
  26 import org.signal.libsignal.protocol.util.KeyHelper;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  30 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  31 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  32 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  33 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  34 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  35 import org.whispersystems.signalservice.internal.push.ConfirmCodeMessage;
  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 int pniRegistrationId;
  58     private final String password;
  59
  60     ProvisioningManagerImpl(
  61             PathConfig pathConfig,
  62             ServiceEnvironmentConfig serviceEnvironmentConfig,
  63             String userAgent,
  64             final Consumer<Manager> newManagerListener,
  65             final AccountsStore accountsStore
  66     ) {
  67         this.pathConfig = pathConfig;
  68         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  69         this.userAgent = userAgent;
  70         this.newManagerListener = newManagerListener;
  71         this.accountsStore = accountsStore;
  72
  73         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  74         registrationId = KeyHelper.generateRegistrationId(false);
  75         pniRegistrationId = KeyHelper.generateRegistrationId(false);
  76         password = KeyUtils.createPassword();
  77         GroupsV2Operations groupsV2Operations;
  78         try {
  79             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()),
  80                     ServiceConfig.GROUP_MAX_SIZE);
  81         } catch (Throwable ignored) {
  82             groupsV2Operations = null;
  83         }
  84         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  85                 new DynamicCredentialsProvider(null, null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  86                 userAgent,
  87                 groupsV2Operations,
  88                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  89     }
  90
  91     @Override
  92     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  93         var deviceUuid = accountManager.getNewDeviceUuid();
  94
  95         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  96     }
  97
  98     @Override
  99     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
 100         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
 101         var number = ret.getNumber();
 102         var aci = ret.getAci();
 103         var pni = ret.getPni();
 104
 105         logger.info("Received link information from {}, linking in progress ...", number);
 106
 107         var accountPath = accountsStore.getPathByAci(aci);
 108         if (accountPath == null) {
 109             accountPath = accountsStore.getPathByNumber(number);
 110         }
 111         if (accountPath != null
 112                 && SignalAccount.accountFileExists(pathConfig.dataPath(), accountPath)
 113                 && !canRelinkExistingAccount(accountPath)) {
 114             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 115         }
 116         if (accountPath == null) {
 117             accountPath = accountsStore.addAccount(number, aci);
 118         } else {
 119             accountsStore.updateAccount(accountPath, number, aci);
 120         }
 121
 122         var encryptedDeviceName = deviceName == null
 123                 ? null
 124                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getAciIdentity().getPrivateKey());
 125
 126         logger.debug("Finishing new device registration");
 127         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 128                 new ConfirmCodeMessage(false, true, registrationId, pniRegistrationId, encryptedDeviceName, null));
 129
 130         // Create new account with the synced identity
 131         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 132
 133         SignalAccount account = null;
 134         try {
 135             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 136                     accountPath,
 137                     number,
 138                     serviceEnvironmentConfig.getType(),
 139                     aci,
 140                     pni,
 141                     password,
 142                     encryptedDeviceName,
 143                     deviceId,
 144                     ret.getAciIdentity(),
 145                     ret.getPniIdentity(),
 146                     registrationId,
 147                     pniRegistrationId,
 148                     profileKey,
 149                     Settings.DEFAULT);
 150
 151             ManagerImpl m = null;
 152             try {
 153                 m = new ManagerImpl(account,
 154                         pathConfig,
 155                         new AccountFileUpdaterImpl(accountsStore, accountPath),
 156                         serviceEnvironmentConfig,
 157                         userAgent);
 158                 account = null;
 159
 160                 logger.debug("Refreshing pre keys");
 161                 try {
 162                     m.refreshPreKeys();
 163                 } catch (Exception e) {
 164                     logger.error("Failed to refresh pre keys.", e);
 165                 }
 166
 167                 logger.debug("Requesting sync data");
 168                 try {
 169                     m.requestAllSyncData();
 170                 } catch (Exception e) {
 171                     logger.error(
 172                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.",
 173                             e);
 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(), accountPath, false, Settings.DEFAULT);
 197         } catch (IOException e) {
 198             logger.debug("Account in use or failed to load.", e);
 199             return false;
 200         } catch (OverlappingFileLockException e) {
 201             logger.debug("Account in use.", e);
 202             return false;
 203         }
 204
 205         try (signalAccount) {
 206             if (signalAccount.isPrimaryDevice()) {
 207                 logger.debug("Account is a primary device.");
 208                 return false;
 209             }
 210             if (signalAccount.isRegistered()
 211                     && signalAccount.getServiceEnvironment() != null
 212                     && signalAccount.getServiceEnvironment() != serviceEnvironmentConfig.getType()) {
 213                 logger.debug("Account is registered in another environment: {}.",
 214                         signalAccount.getServiceEnvironment());
 215                 return false;
 216             }
 217
 218             final var m = new ManagerImpl(signalAccount,
 219                     pathConfig,
 220                     new AccountFileUpdaterImpl(accountsStore, accountPath),
 221                     serviceEnvironmentConfig,
 222                     userAgent);
 223             try (m) {
 224                 m.checkAccountState();
 225             } catch (AuthorizationFailedException ignored) {
 226                 return true;
 227             }
 228
 229             logger.debug("Account is still successfully linked.");
 230             return false;
 231         }
 232     }
 233 }