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 import static org.asamk.signal.manager.config.ServiceConfig.getCapabilities;
  45
  46 class ProvisioningManagerImpl implements ProvisioningManager {
  47
  48     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  49
  50     private final PathConfig pathConfig;
  51     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  52     private final String userAgent;
  53     private final Consumer<Manager> newManagerListener;
  54     private final AccountsStore accountsStore;
  55
  56     private final SignalServiceAccountManager accountManager;
  57     private final IdentityKeyPair tempIdentityKey;
  58     private final int registrationId;
  59     private final int pniRegistrationId;
  60     private final String password;
  61
  62     ProvisioningManagerImpl(
  63             PathConfig pathConfig,
  64             ServiceEnvironmentConfig serviceEnvironmentConfig,
  65             String userAgent,
  66             final Consumer<Manager> newManagerListener,
  67             final AccountsStore accountsStore
  68     ) {
  69         this.pathConfig = pathConfig;
  70         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  71         this.userAgent = userAgent;
  72         this.newManagerListener = newManagerListener;
  73         this.accountsStore = accountsStore;
  74
  75         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  76         registrationId = KeyHelper.generateRegistrationId(false);
  77         pniRegistrationId = KeyHelper.generateRegistrationId(false);
  78         password = KeyUtils.createPassword();
  79         GroupsV2Operations groupsV2Operations;
  80         try {
  81             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()),
  82                     ServiceConfig.GROUP_MAX_SIZE);
  83         } catch (Throwable ignored) {
  84             groupsV2Operations = null;
  85         }
  86         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  87                 new DynamicCredentialsProvider(null, null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  88                 userAgent,
  89                 groupsV2Operations,
  90                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  91     }
  92
  93     @Override
  94     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  95         var deviceUuid = accountManager.getNewDeviceUuid();
  96
  97         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  98     }
  99
 100     @Override
 101     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
 102         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
 103         var number = ret.getNumber();
 104         var aci = ret.getAci();
 105         var pni = ret.getPni();
 106
 107         logger.info("Received link information from {}, linking in progress ...", number);
 108
 109         var accountPath = accountsStore.getPathByAci(aci);
 110         if (accountPath == null) {
 111             accountPath = accountsStore.getPathByNumber(number);
 112         }
 113         if (accountPath != null
 114                 && SignalAccount.accountFileExists(pathConfig.dataPath(), accountPath)
 115                 && !canRelinkExistingAccount(accountPath)) {
 116             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 117         }
 118         if (accountPath == null) {
 119             accountPath = accountsStore.addAccount(number, aci);
 120         } else {
 121             accountsStore.updateAccount(accountPath, number, aci);
 122         }
 123
 124         var encryptedDeviceName = deviceName == null
 125                 ? null
 126                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getAciIdentity().getPrivateKey());
 127
 128         logger.debug("Finishing new device registration");
 129         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 130                 new ConfirmCodeMessage(false,
 131                         true,
 132                         registrationId,
 133                         pniRegistrationId,
 134                         encryptedDeviceName,
 135                         getCapabilities(false)));
 136
 137         // Create new account with the synced identity
 138         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 139
 140         SignalAccount account = null;
 141         try {
 142             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 143                     accountPath,
 144                     number,
 145                     serviceEnvironmentConfig.getType(),
 146                     aci,
 147                     pni,
 148                     password,
 149                     encryptedDeviceName,
 150                     deviceId,
 151                     ret.getAciIdentity(),
 152                     ret.getPniIdentity(),
 153                     registrationId,
 154                     pniRegistrationId,
 155                     profileKey,
 156                     Settings.DEFAULT);
 157             account.getConfigurationStore().setReadReceipts(ret.isReadReceipts());
 158
 159             ManagerImpl m = null;
 160             try {
 161                 m = new ManagerImpl(account,
 162                         pathConfig,
 163                         new AccountFileUpdaterImpl(accountsStore, accountPath),
 164                         serviceEnvironmentConfig,
 165                         userAgent);
 166                 account = null;
 167
 168                 logger.debug("Refreshing pre keys");
 169                 try {
 170                     m.refreshPreKeys();
 171                 } catch (Exception e) {
 172                     logger.error("Failed to refresh pre keys.", e);
 173                 }
 174
 175                 logger.debug("Requesting sync data");
 176                 try {
 177                     m.requestAllSyncData();
 178                 } catch (Exception e) {
 179                     logger.error(
 180                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.",
 181                             e);
 182                 }
 183
 184                 if (newManagerListener != null) {
 185                     newManagerListener.accept(m);
 186                     m = null;
 187                 }
 188                 return number;
 189             } finally {
 190                 if (m != null) {
 191                     m.close();
 192                 }
 193             }
 194         } finally {
 195             if (account != null) {
 196                 account.close();
 197             }
 198         }
 199     }
 200
 201     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 202         final SignalAccount signalAccount;
 203         try {
 204             signalAccount = SignalAccount.load(pathConfig.dataPath(), accountPath, false, Settings.DEFAULT);
 205         } catch (IOException e) {
 206             logger.debug("Account in use or failed to load.", e);
 207             return false;
 208         } catch (OverlappingFileLockException e) {
 209             logger.debug("Account in use.", e);
 210             return false;
 211         }
 212
 213         try (signalAccount) {
 214             if (signalAccount.isPrimaryDevice()) {
 215                 logger.debug("Account is a primary device.");
 216                 return false;
 217             }
 218             if (signalAccount.isRegistered()
 219                     && signalAccount.getServiceEnvironment() != null
 220                     && signalAccount.getServiceEnvironment() != serviceEnvironmentConfig.getType()) {
 221                 logger.debug("Account is registered in another environment: {}.",
 222                         signalAccount.getServiceEnvironment());
 223                 return false;
 224             }
 225
 226             final var m = new ManagerImpl(signalAccount,
 227                     pathConfig,
 228                     new AccountFileUpdaterImpl(accountsStore, accountPath),
 229                     serviceEnvironmentConfig,
 230                     userAgent);
 231             try (m) {
 232                 m.checkAccountState();
 233             } catch (AuthorizationFailedException ignored) {
 234                 return true;
 235             }
 236
 237             logger.debug("Account is still successfully linked.");
 238             return false;
 239         }
 240     }
 241 }