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.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28 import org.whispersystems.libsignal.IdentityKeyPair;
  29 import org.whispersystems.libsignal.util.KeyHelper;
  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         } catch (Throwable ignored) {
  79             groupsV2Operations = null;
  80         }
  81         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  82                 new DynamicCredentialsProvider(null, null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  83                 userAgent,
  84                 groupsV2Operations,
  85                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  86     }
  87
  88     @Override
  89     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  90         var deviceUuid = accountManager.getNewDeviceUuid();
  91
  92         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  93     }
  94
  95     @Override
  96     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
  97         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  98         var number = ret.getNumber();
  99         var aci = ret.getAci();
 100         var pni = ret.getPni();
 101
 102         logger.info("Received link information from {}, linking in progress ...", number);
 103
 104         var accountPath = accountsStore.getPathByAci(aci);
 105         if (accountPath == null) {
 106             accountPath = accountsStore.getPathByNumber(number);
 107         }
 108         if (accountPath != null
 109                 && SignalAccount.accountFileExists(pathConfig.dataPath(), accountPath)
 110                 && !canRelinkExistingAccount(accountPath)) {
 111             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 112         }
 113         if (accountPath == null) {
 114             accountPath = accountsStore.addAccount(number, aci);
 115         } else {
 116             accountsStore.updateAccount(accountPath, number, aci);
 117         }
 118
 119         var encryptedDeviceName = deviceName == null
 120                 ? null
 121                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getAciIdentity().getPrivateKey());
 122
 123         logger.debug("Finishing new device registration");
 124         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 125                 false,
 126                 true,
 127                 registrationId,
 128                 encryptedDeviceName);
 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                     aci,
 139                     pni,
 140                     password,
 141                     encryptedDeviceName,
 142                     deviceId,
 143                     ret.getAciIdentity(),
 144                     ret.getPniIdentity(),
 145                     registrationId,
 146                     profileKey,
 147                     TrustNewIdentity.ON_FIRST_USE);
 148
 149             ManagerImpl m = null;
 150             try {
 151                 final var accountPathFinal = accountPath;
 152                 m = new ManagerImpl(account,
 153                         pathConfig,
 154                         (newNumber, newAci) -> accountsStore.updateAccount(accountPathFinal, newNumber, newAci),
 155                         serviceEnvironmentConfig,
 156                         userAgent);
 157                 account = null;
 158
 159                 logger.debug("Refreshing pre keys");
 160                 try {
 161                     m.refreshPreKeys();
 162                 } catch (Exception e) {
 163                     logger.error("Failed to refresh pre keys.");
 164                 }
 165
 166                 logger.debug("Requesting sync data");
 167                 try {
 168                     m.requestAllSyncData();
 169                 } catch (Exception e) {
 170                     logger.error(
 171                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.");
 172                 }
 173
 174                 if (newManagerListener != null) {
 175                     newManagerListener.accept(m);
 176                     m = null;
 177                 }
 178                 return number;
 179             } finally {
 180                 if (m != null) {
 181                     m.close();
 182                 }
 183             }
 184         } finally {
 185             if (account != null) {
 186                 account.close();
 187             }
 188         }
 189     }
 190
 191     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 192         final SignalAccount signalAccount;
 193         try {
 194             signalAccount = SignalAccount.load(pathConfig.dataPath(),
 195                     accountPath,
 196                     false,
 197                     TrustNewIdentity.ON_FIRST_USE);
 198         } catch (IOException e) {
 199             logger.debug("Account in use or failed to load.", e);
 200             return false;
 201         } catch (OverlappingFileLockException e) {
 202             logger.debug("Account in use.", e);
 203             return false;
 204         }
 205
 206         try (signalAccount) {
 207             if (signalAccount.isMasterDevice()) {
 208                 logger.debug("Account is a master device.");
 209                 return false;
 210             }
 211
 212             final var m = new ManagerImpl(signalAccount,
 213                     pathConfig,
 214                     (newNumber, newAci) -> accountsStore.updateAccount(accountPath, newNumber, newAci),
 215                     serviceEnvironmentConfig,
 216                     userAgent);
 217             try (m) {
 218                 m.checkAccountState();
 219             } catch (AuthorizationFailedException ignored) {
 220                 return true;
 221             }
 222
 223             logger.debug("Account is still successfully linked.");
 224             return false;
 225         }
 226     }
 227 }