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.identities.TrustNewIdentity;
  24 import org.asamk.signal.manager.util.KeyUtils;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27 import org.whispersystems.libsignal.IdentityKeyPair;
  28 import org.whispersystems.libsignal.util.KeyHelper;
  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.util.DynamicCredentialsProvider;
  36
  37 import java.io.IOException;
  38 import java.net.URI;
  39 import java.util.concurrent.TimeoutException;
  40 import java.util.function.Consumer;
  41
  42 class ProvisioningManagerImpl implements ProvisioningManager {
  43
  44     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  45
  46     private final PathConfig pathConfig;
  47     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  48     private final String userAgent;
  49     private final Consumer<Manager> newManagerListener;
  50
  51     private final SignalServiceAccountManager accountManager;
  52     private final IdentityKeyPair tempIdentityKey;
  53     private final int registrationId;
  54     private final String password;
  55
  56     ProvisioningManagerImpl(
  57             PathConfig pathConfig,
  58             ServiceEnvironmentConfig serviceEnvironmentConfig,
  59             String userAgent,
  60             final Consumer<Manager> newManagerListener
  61     ) {
  62         this.pathConfig = pathConfig;
  63         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  64         this.userAgent = userAgent;
  65         this.newManagerListener = newManagerListener;
  66
  67         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  68         registrationId = KeyHelper.generateRegistrationId(false);
  69         password = KeyUtils.createPassword();
  70         GroupsV2Operations groupsV2Operations;
  71         try {
  72             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
  73         } catch (Throwable ignored) {
  74             groupsV2Operations = null;
  75         }
  76         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  77                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  78                 userAgent,
  79                 groupsV2Operations,
  80                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  81     }
  82
  83     @Override
  84     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  85         var deviceUuid = accountManager.getNewDeviceUuid();
  86
  87         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  88     }
  89
  90     @Override
  91     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
  92         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  93         var number = ret.getNumber();
  94
  95         logger.info("Received link information from {}, linking in progress ...", number);
  96
  97         if (SignalAccount.userExists(pathConfig.dataPath(), number) && !canRelinkExistingAccount(number)) {
  98             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), number));
  99         }
 100
 101         var encryptedDeviceName = deviceName == null
 102                 ? null
 103                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getIdentity().getPrivateKey());
 104
 105         logger.debug("Finishing new device registration");
 106         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 107                 false,
 108                 true,
 109                 registrationId,
 110                 encryptedDeviceName);
 111
 112         // Create new account with the synced identity
 113         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 114
 115         SignalAccount account = null;
 116         try {
 117             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 118                     number,
 119                     ret.getAci(),
 120                     password,
 121                     encryptedDeviceName,
 122                     deviceId,
 123                     ret.getIdentity(),
 124                     registrationId,
 125                     profileKey,
 126                     TrustNewIdentity.ON_FIRST_USE);
 127
 128             ManagerImpl m = null;
 129             try {
 130                 m = new ManagerImpl(account, pathConfig, serviceEnvironmentConfig, userAgent);
 131                 account = null;
 132
 133                 logger.debug("Refreshing pre keys");
 134                 try {
 135                     m.refreshPreKeys();
 136                 } catch (Exception e) {
 137                     logger.error("Failed to refresh pre keys.");
 138                 }
 139
 140                 logger.debug("Requesting sync data");
 141                 try {
 142                     m.requestAllSyncData();
 143                 } catch (Exception e) {
 144                     logger.error(
 145                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.");
 146                 }
 147
 148                 if (newManagerListener != null) {
 149                     newManagerListener.accept(m);
 150                     m = null;
 151                 }
 152                 return number;
 153             } finally {
 154                 if (m != null) {
 155                     m.close();
 156                 }
 157             }
 158         } finally {
 159             if (account != null) {
 160                 account.close();
 161             }
 162         }
 163     }
 164
 165     private boolean canRelinkExistingAccount(final String number) throws IOException {
 166         final SignalAccount signalAccount;
 167         try {
 168             signalAccount = SignalAccount.load(pathConfig.dataPath(), number, false, TrustNewIdentity.ON_FIRST_USE);
 169         } catch (IOException e) {
 170             logger.debug("Account in use or failed to load.", e);
 171             return false;
 172         }
 173
 174         try (signalAccount) {
 175             if (signalAccount.isMasterDevice()) {
 176                 logger.debug("Account is a master device.");
 177                 return false;
 178             }
 179
 180             final var m = new ManagerImpl(signalAccount, pathConfig, serviceEnvironmentConfig, userAgent);
 181             try (m) {
 182                 m.checkAccountState();
 183             } catch (AuthorizationFailedException ignored) {
 184                 return true;
 185             }
 186
 187             logger.debug("Account is still successfully linked.");
 188             return false;
 189         }
 190     }
 191 }