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.util.concurrent.TimeoutException;
  41 import java.util.function.Consumer;
  42
  43 class ProvisioningManagerImpl implements ProvisioningManager {
  44
  45     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  46
  47     private final PathConfig pathConfig;
  48     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  49     private final String userAgent;
  50     private final Consumer<Manager> newManagerListener;
  51     private final AccountsStore accountsStore;
  52
  53     private final SignalServiceAccountManager accountManager;
  54     private final IdentityKeyPair tempIdentityKey;
  55     private final int registrationId;
  56     private final String password;
  57
  58     ProvisioningManagerImpl(
  59             PathConfig pathConfig,
  60             ServiceEnvironmentConfig serviceEnvironmentConfig,
  61             String userAgent,
  62             final Consumer<Manager> newManagerListener,
  63             final AccountsStore accountsStore
  64     ) {
  65         this.pathConfig = pathConfig;
  66         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  67         this.userAgent = userAgent;
  68         this.newManagerListener = newManagerListener;
  69         this.accountsStore = accountsStore;
  70
  71         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  72         registrationId = KeyHelper.generateRegistrationId(false);
  73         password = KeyUtils.createPassword();
  74         GroupsV2Operations groupsV2Operations;
  75         try {
  76             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
  77         } catch (Throwable ignored) {
  78             groupsV2Operations = null;
  79         }
  80         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  81                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  82                 userAgent,
  83                 groupsV2Operations,
  84                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  85     }
  86
  87     @Override
  88     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  89         var deviceUuid = accountManager.getNewDeviceUuid();
  90
  91         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  92     }
  93
  94     @Override
  95     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
  96         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  97         var number = ret.getNumber();
  98         var aci = ret.getAci();
  99
 100         logger.info("Received link information from {}, linking in progress ...", number);
 101
 102         var accountPath = accountsStore.getPathByAci(aci);
 103         if (accountPath == null) {
 104             accountPath = accountsStore.getPathByNumber(number);
 105         }
 106         if (accountPath != null
 107                 && SignalAccount.accountFileExists(pathConfig.dataPath(), accountPath)
 108                 && !canRelinkExistingAccount(accountPath)) {
 109             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 110         }
 111         if (accountPath == null) {
 112             accountPath = accountsStore.addAccount(number, aci);
 113         } else {
 114             accountsStore.updateAccount(accountPath, number, aci);
 115         }
 116
 117         var encryptedDeviceName = deviceName == null
 118                 ? null
 119                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getIdentity().getPrivateKey());
 120
 121         logger.debug("Finishing new device registration");
 122         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 123                 false,
 124                 true,
 125                 registrationId,
 126                 encryptedDeviceName);
 127
 128         // Create new account with the synced identity
 129         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 130
 131         SignalAccount account = null;
 132         try {
 133             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 134                     accountPath,
 135                     number,
 136                     aci,
 137                     password,
 138                     encryptedDeviceName,
 139                     deviceId,
 140                     ret.getIdentity(),
 141                     registrationId,
 142                     profileKey,
 143                     TrustNewIdentity.ON_FIRST_USE);
 144
 145             ManagerImpl m = null;
 146             try {
 147                 final var accountPathFinal = accountPath;
 148                 m = new ManagerImpl(account,
 149                         pathConfig,
 150                         (newNumber, newAci) -> accountsStore.updateAccount(accountPathFinal, newNumber, newAci),
 151                         serviceEnvironmentConfig,
 152                         userAgent);
 153                 account = null;
 154
 155                 logger.debug("Refreshing pre keys");
 156                 try {
 157                     m.refreshPreKeys();
 158                 } catch (Exception e) {
 159                     logger.error("Failed to refresh pre keys.");
 160                 }
 161
 162                 logger.debug("Requesting sync data");
 163                 try {
 164                     m.requestAllSyncData();
 165                 } catch (Exception e) {
 166                     logger.error(
 167                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.");
 168                 }
 169
 170                 if (newManagerListener != null) {
 171                     newManagerListener.accept(m);
 172                     m = null;
 173                 }
 174                 return number;
 175             } finally {
 176                 if (m != null) {
 177                     m.close();
 178                 }
 179             }
 180         } finally {
 181             if (account != null) {
 182                 account.close();
 183             }
 184         }
 185     }
 186
 187     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 188         final SignalAccount signalAccount;
 189         try {
 190             signalAccount = SignalAccount.load(pathConfig.dataPath(),
 191                     accountPath,
 192                     false,
 193                     TrustNewIdentity.ON_FIRST_USE);
 194         } catch (IOException e) {
 195             logger.debug("Account in use or failed to load.", e);
 196             return false;
 197         }
 198
 199         try (signalAccount) {
 200             if (signalAccount.isMasterDevice()) {
 201                 logger.debug("Account is a master device.");
 202                 return false;
 203             }
 204
 205             final var m = new ManagerImpl(signalAccount,
 206                     pathConfig,
 207                     (newNumber, newAci) -> accountsStore.updateAccount(accountPath, newNumber, newAci),
 208                     serviceEnvironmentConfig,
 209                     userAgent);
 210             try (m) {
 211                 m.checkAccountState();
 212             } catch (AuthorizationFailedException ignored) {
 213                 return true;
 214             }
 215
 216             logger.debug("Account is still successfully linked.");
 217             return false;
 218         }
 219     }
 220 }