nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/internal/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.internal;
  18
  19 import org.asamk.signal.manager.Manager;
  20 import org.asamk.signal.manager.ProvisioningManager;
  21 import org.asamk.signal.manager.Settings;
  22 import org.asamk.signal.manager.api.UserAlreadyExistsException;
  23 import org.asamk.signal.manager.config.ServiceConfig;
  24 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  25 import org.asamk.signal.manager.storage.SignalAccount;
  26 import org.asamk.signal.manager.storage.accounts.AccountsStore;
  27 import org.asamk.signal.manager.util.KeyUtils;
  28 import org.signal.libsignal.protocol.IdentityKeyPair;
  29 import org.signal.libsignal.protocol.util.KeyHelper;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  33 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  34 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  35 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  36 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  37 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  38 import org.whispersystems.signalservice.internal.push.ConfirmCodeMessage;
  39 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  40
  41 import java.io.IOException;
  42 import java.net.URI;
  43 import java.nio.channels.OverlappingFileLockException;
  44 import java.util.concurrent.TimeoutException;
  45 import java.util.function.Consumer;
  46
  47 import static org.asamk.signal.manager.config.ServiceConfig.getCapabilities;
  48
  49 public class ProvisioningManagerImpl implements ProvisioningManager {
  50
  51     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  52
  53     private final PathConfig pathConfig;
  54     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  55     private final String userAgent;
  56     private final Consumer<Manager> newManagerListener;
  57     private final AccountsStore accountsStore;
  58
  59     private final SignalServiceAccountManager accountManager;
  60     private final IdentityKeyPair tempIdentityKey;
  61     private final int registrationId;
  62     private final int pniRegistrationId;
  63     private final String password;
  64
  65     public ProvisioningManagerImpl(
  66             PathConfig pathConfig,
  67             ServiceEnvironmentConfig serviceEnvironmentConfig,
  68             String userAgent,
  69             final Consumer<Manager> newManagerListener,
  70             final AccountsStore accountsStore
  71     ) {
  72         this.pathConfig = pathConfig;
  73         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  74         this.userAgent = userAgent;
  75         this.newManagerListener = newManagerListener;
  76         this.accountsStore = accountsStore;
  77
  78         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  79         registrationId = KeyHelper.generateRegistrationId(false);
  80         pniRegistrationId = KeyHelper.generateRegistrationId(false);
  81         password = KeyUtils.createPassword();
  82         GroupsV2Operations groupsV2Operations;
  83         try {
  84             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()),
  85                     ServiceConfig.GROUP_MAX_SIZE);
  86         } catch (Throwable ignored) {
  87             groupsV2Operations = null;
  88         }
  89         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  90                 new DynamicCredentialsProvider(null, null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  91                 userAgent,
  92                 groupsV2Operations,
  93                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  94     }
  95
  96     @Override
  97     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  98         var deviceUuid = accountManager.getNewDeviceUuid();
  99
 100         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
 101     }
 102
 103     @Override
 104     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
 105         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
 106         var number = ret.getNumber();
 107         var aci = ret.getAci();
 108         var pni = ret.getPni();
 109
 110         logger.info("Received link information from {}, linking in progress ...", number);
 111
 112         var accountPath = accountsStore.getPathByAci(aci);
 113         if (accountPath == null) {
 114             accountPath = accountsStore.getPathByNumber(number);
 115         }
 116         if (accountPath != null
 117                 && SignalAccount.accountFileExists(pathConfig.dataPath(), accountPath)
 118                 && !canRelinkExistingAccount(accountPath)) {
 119             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 120         }
 121         if (accountPath == null) {
 122             accountPath = accountsStore.addAccount(number, aci);
 123         } else {
 124             accountsStore.updateAccount(accountPath, number, aci);
 125         }
 126
 127         var encryptedDeviceName = deviceName == null
 128                 ? null
 129                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getAciIdentity().getPrivateKey());
 130
 131         logger.debug("Finishing new device registration");
 132         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 133                 new ConfirmCodeMessage(false,
 134                         true,
 135                         registrationId,
 136                         pniRegistrationId,
 137                         encryptedDeviceName,
 138                         getCapabilities(false)));
 139
 140         // Create new account with the synced identity
 141         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 142
 143         SignalAccount account = null;
 144         try {
 145             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 146                     accountPath,
 147                     number,
 148                     serviceEnvironmentConfig.getType(),
 149                     aci,
 150                     pni,
 151                     password,
 152                     encryptedDeviceName,
 153                     deviceId,
 154                     ret.getAciIdentity(),
 155                     ret.getPniIdentity(),
 156                     registrationId,
 157                     pniRegistrationId,
 158                     profileKey,
 159                     Settings.DEFAULT);
 160             account.getConfigurationStore().setReadReceipts(ret.isReadReceipts());
 161
 162             ManagerImpl m = null;
 163             try {
 164                 m = new ManagerImpl(account,
 165                         pathConfig,
 166                         new AccountFileUpdaterImpl(accountsStore, accountPath),
 167                         serviceEnvironmentConfig,
 168                         userAgent);
 169                 account = null;
 170
 171                 logger.debug("Refreshing pre keys");
 172                 try {
 173                     m.refreshPreKeys();
 174                 } catch (Exception e) {
 175                     logger.error("Failed to refresh pre keys.", e);
 176                 }
 177
 178                 logger.debug("Requesting sync data");
 179                 try {
 180                     m.requestAllSyncData();
 181                 } catch (Exception e) {
 182                     logger.error(
 183                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.",
 184                             e);
 185                 }
 186
 187                 if (newManagerListener != null) {
 188                     newManagerListener.accept(m);
 189                     m = null;
 190                 }
 191                 return number;
 192             } finally {
 193                 if (m != null) {
 194                     m.close();
 195                 }
 196             }
 197         } finally {
 198             if (account != null) {
 199                 account.close();
 200             }
 201         }
 202     }
 203
 204     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 205         final SignalAccount signalAccount;
 206         try {
 207             signalAccount = SignalAccount.load(pathConfig.dataPath(), accountPath, false, Settings.DEFAULT);
 208         } catch (IOException e) {
 209             logger.debug("Account in use or failed to load.", e);
 210             return false;
 211         } catch (OverlappingFileLockException e) {
 212             logger.debug("Account in use.", e);
 213             return false;
 214         }
 215
 216         try (signalAccount) {
 217             if (signalAccount.isPrimaryDevice()) {
 218                 logger.debug("Account is a primary device.");
 219                 return false;
 220             }
 221             if (signalAccount.isRegistered()
 222                     && signalAccount.getServiceEnvironment() != null
 223                     && signalAccount.getServiceEnvironment() != serviceEnvironmentConfig.getType()) {
 224                 logger.debug("Account is registered in another environment: {}.",
 225                         signalAccount.getServiceEnvironment());
 226                 return false;
 227             }
 228
 229             final var m = new ManagerImpl(signalAccount,
 230                     pathConfig,
 231                     new AccountFileUpdaterImpl(accountsStore, accountPath),
 232                     serviceEnvironmentConfig,
 233                     userAgent);
 234             try (m) {
 235                 m.checkAccountState();
 236             } catch (AuthorizationFailedException ignored) {
 237                 return true;
 238             }
 239
 240             logger.debug("Account is still successfully linked.");
 241             return false;
 242         }
 243     }
 244 }