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.DeviceLinkUrl;
  23 import org.asamk.signal.manager.api.UserAlreadyExistsException;
  24 import org.asamk.signal.manager.config.ServiceConfig;
  25 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  26 import org.asamk.signal.manager.storage.SignalAccount;
  27 import org.asamk.signal.manager.storage.accounts.AccountsStore;
  28 import org.asamk.signal.manager.util.KeyUtils;
  29 import org.signal.libsignal.protocol.IdentityKeyPair;
  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.ServiceIdType;
  36 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  37 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  38 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  39 import org.whispersystems.signalservice.internal.push.ConfirmCodeMessage;
  40 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  41
  42 import java.io.IOException;
  43 import java.net.URI;
  44 import java.nio.channels.OverlappingFileLockException;
  45 import java.util.concurrent.TimeoutException;
  46 import java.util.function.Consumer;
  47
  48 import static org.asamk.signal.manager.config.ServiceConfig.getCapabilities;
  49
  50 public class ProvisioningManagerImpl implements ProvisioningManager {
  51
  52     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  53
  54     private final PathConfig pathConfig;
  55     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  56     private final String userAgent;
  57     private final Consumer<Manager> newManagerListener;
  58     private final AccountsStore accountsStore;
  59
  60     private final SignalServiceAccountManager accountManager;
  61     private final IdentityKeyPair tempIdentityKey;
  62     private final String password;
  63
  64     public ProvisioningManagerImpl(
  65             PathConfig pathConfig,
  66             ServiceEnvironmentConfig serviceEnvironmentConfig,
  67             String userAgent,
  68             final Consumer<Manager> newManagerListener,
  69             final AccountsStore accountsStore
  70     ) {
  71         this.pathConfig = pathConfig;
  72         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  73         this.userAgent = userAgent;
  74         this.newManagerListener = newManagerListener;
  75         this.accountsStore = accountsStore;
  76
  77         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  78         password = KeyUtils.createPassword();
  79         GroupsV2Operations groupsV2Operations;
  80         try {
  81             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.signalServiceConfiguration()),
  82                     ServiceConfig.GROUP_MAX_SIZE);
  83         } catch (Throwable ignored) {
  84             groupsV2Operations = null;
  85         }
  86         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.signalServiceConfiguration(),
  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 DeviceLinkUrl(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         final var accountExists = accountPath != null && SignalAccount.accountFileExists(pathConfig.dataPath(),
 114                 accountPath);
 115         if (accountExists && !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         // Create new account with the synced identity
 128         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 129
 130         SignalAccount account = null;
 131         try {
 132             if (!accountExists) {
 133                 account = SignalAccount.createLinkedAccount(pathConfig.dataPath(),
 134                         accountPath,
 135                         serviceEnvironmentConfig.type(),
 136                         Settings.DEFAULT);
 137             } else {
 138                 account = SignalAccount.load(pathConfig.dataPath(), accountPath, true, Settings.DEFAULT);
 139             }
 140
 141             account.setProvisioningData(number,
 142                     aci,
 143                     pni,
 144                     password,
 145                     encryptedDeviceName,
 146                     ret.getAciIdentity(),
 147                     ret.getPniIdentity(),
 148                     profileKey);
 149
 150             account.getConfigurationStore().setReadReceipts(ret.isReadReceipts());
 151
 152             logger.debug("Finishing new device registration");
 153             var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 154                     new ConfirmCodeMessage(false,
 155                             true,
 156                             account.getAccountData(ServiceIdType.ACI).getLocalRegistrationId(),
 157                             account.getAccountData(ServiceIdType.PNI).getLocalRegistrationId(),
 158                             encryptedDeviceName,
 159                             getCapabilities(false)));
 160
 161             account.finishLinking(deviceId);
 162
 163             ManagerImpl m = null;
 164             try {
 165                 m = new ManagerImpl(account,
 166                         pathConfig,
 167                         new AccountFileUpdaterImpl(accountsStore, accountPath),
 168                         serviceEnvironmentConfig,
 169                         userAgent);
 170                 account = null;
 171
 172                 logger.debug("Refreshing pre keys");
 173                 try {
 174                     m.refreshPreKeys();
 175                 } catch (Exception e) {
 176                     logger.error("Failed to refresh pre keys.", e);
 177                 }
 178
 179                 logger.debug("Requesting sync data");
 180                 try {
 181                     m.requestAllSyncData();
 182                 } catch (Exception e) {
 183                     logger.error(
 184                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.",
 185                             e);
 186                 }
 187
 188                 if (newManagerListener != null) {
 189                     newManagerListener.accept(m);
 190                     m = null;
 191                 }
 192                 return number;
 193             } finally {
 194                 if (m != null) {
 195                     m.close();
 196                 }
 197             }
 198         } finally {
 199             if (account != null) {
 200                 account.close();
 201             }
 202         }
 203     }
 204
 205     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 206         final SignalAccount signalAccount;
 207         try {
 208             signalAccount = SignalAccount.load(pathConfig.dataPath(), accountPath, false, Settings.DEFAULT);
 209         } catch (IOException e) {
 210             logger.debug("Account in use or failed to load.", e);
 211             return false;
 212         } catch (OverlappingFileLockException e) {
 213             logger.debug("Account in use.", e);
 214             return false;
 215         }
 216
 217         try (signalAccount) {
 218             if (signalAccount.isPrimaryDevice()) {
 219                 logger.debug("Account is a primary device.");
 220                 return false;
 221             }
 222             if (signalAccount.isRegistered()
 223                     && signalAccount.getServiceEnvironment() != null
 224                     && signalAccount.getServiceEnvironment() != serviceEnvironmentConfig.type()) {
 225                 logger.debug("Account is registered in another environment: {}.",
 226                         signalAccount.getServiceEnvironment());
 227                 return false;
 228             }
 229
 230             final var m = new ManagerImpl(signalAccount,
 231                     pathConfig,
 232                     new AccountFileUpdaterImpl(accountsStore, accountPath),
 233                     serviceEnvironmentConfig,
 234                     userAgent);
 235             try (m) {
 236                 m.checkAccountState();
 237             } catch (AuthorizationFailedException ignored) {
 238                 return true;
 239             }
 240
 241             logger.debug("Account is still successfully linked.");
 242             return false;
 243         }
 244     }
 245 }