nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/ProvisioningManagerImpl.java

   1 /*
   2   Copyright (C) 2015-2021 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.config.ServiceConfig;
  20 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  21 import org.asamk.signal.manager.storage.SignalAccount;
  22 import org.asamk.signal.manager.storage.identities.TrustNewIdentity;
  23 import org.asamk.signal.manager.util.KeyUtils;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26 import org.whispersystems.libsignal.IdentityKeyPair;
  27 import org.whispersystems.libsignal.util.KeyHelper;
  28 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  29 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  30 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  31 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  32 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  33 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  34 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  35
  36 import java.io.IOException;
  37 import java.net.URI;
  38 import java.util.concurrent.TimeoutException;
  39 import java.util.function.Consumer;
  40
  41 public class ProvisioningManagerImpl implements ProvisioningManager {
  42
  43     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  44
  45     private final PathConfig pathConfig;
  46     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  47     private final String userAgent;
  48     private final Consumer<Manager> newManagerListener;
  49
  50     private final SignalServiceAccountManager accountManager;
  51     private final IdentityKeyPair tempIdentityKey;
  52     private final int registrationId;
  53     private final String password;
  54
  55     ProvisioningManagerImpl(
  56             PathConfig pathConfig,
  57             ServiceEnvironmentConfig serviceEnvironmentConfig,
  58             String userAgent,
  59             final Consumer<Manager> newManagerListener
  60     ) {
  61         this.pathConfig = pathConfig;
  62         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  63         this.userAgent = userAgent;
  64         this.newManagerListener = newManagerListener;
  65
  66         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  67         registrationId = KeyHelper.generateRegistrationId(false);
  68         password = KeyUtils.createPassword();
  69         GroupsV2Operations groupsV2Operations;
  70         try {
  71             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
  72         } catch (Throwable ignored) {
  73             groupsV2Operations = null;
  74         }
  75         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  76                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  77                 userAgent,
  78                 groupsV2Operations,
  79                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  80     }
  81
  82     @Override
  83     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  84         var deviceUuid = accountManager.getNewDeviceUuid();
  85
  86         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  87     }
  88
  89     @Override
  90     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExists {
  91         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  92         var number = ret.getNumber();
  93
  94         logger.info("Received link information from {}, linking in progress ...", number);
  95
  96         if (SignalAccount.userExists(pathConfig.dataPath(), number) && !canRelinkExistingAccount(number)) {
  97             throw new UserAlreadyExists(number, SignalAccount.getFileName(pathConfig.dataPath(), number));
  98         }
  99
 100         var encryptedDeviceName = deviceName == null
 101                 ? null
 102                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getIdentity().getPrivateKey());
 103
 104         logger.debug("Finishing new device registration");
 105         var deviceId = accountManager.finishNewDeviceRegistration(ret.getProvisioningCode(),
 106                 false,
 107                 true,
 108                 registrationId,
 109                 encryptedDeviceName);
 110
 111         // Create new account with the synced identity
 112         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 113
 114         SignalAccount account = null;
 115         try {
 116             account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.dataPath(),
 117                     number,
 118                     ret.getAci(),
 119                     password,
 120                     encryptedDeviceName,
 121                     deviceId,
 122                     ret.getIdentity(),
 123                     registrationId,
 124                     profileKey,
 125                     TrustNewIdentity.ON_FIRST_USE);
 126
 127             ManagerImpl m = null;
 128             try {
 129                 m = new ManagerImpl(account, pathConfig, serviceEnvironmentConfig, userAgent);
 130                 account = null;
 131
 132                 logger.debug("Refreshing pre keys");
 133                 try {
 134                     m.refreshPreKeys();
 135                 } catch (Exception e) {
 136                     logger.error("Failed to refresh pre keys.");
 137                 }
 138
 139                 logger.debug("Requesting sync data");
 140                 try {
 141                     m.requestAllSyncData();
 142                 } catch (Exception e) {
 143                     logger.error(
 144                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.");
 145                 }
 146
 147                 if (newManagerListener != null) {
 148                     newManagerListener.accept(m);
 149                     m = null;
 150                 }
 151                 return number;
 152             } finally {
 153                 if (m != null) {
 154                     m.close();
 155                 }
 156             }
 157         } finally {
 158             if (account != null) {
 159                 account.close();
 160             }
 161         }
 162     }
 163
 164     private boolean canRelinkExistingAccount(final String number) throws IOException {
 165         final SignalAccount signalAccount;
 166         try {
 167             signalAccount = SignalAccount.load(pathConfig.dataPath(), number, false, TrustNewIdentity.ON_FIRST_USE);
 168         } catch (IOException e) {
 169             logger.debug("Account in use or failed to load.", e);
 170             return false;
 171         }
 172
 173         try (signalAccount) {
 174             if (signalAccount.isMasterDevice()) {
 175                 logger.debug("Account is a master device.");
 176                 return false;
 177             }
 178
 179             final var m = new ManagerImpl(signalAccount, pathConfig, serviceEnvironmentConfig, userAgent);
 180             try (m) {
 181                 m.checkAccountState();
 182             } catch (AuthorizationFailedException ignored) {
 183                 return true;
 184             }
 185
 186             logger.debug("Account is still successfully linked.");
 187             return false;
 188         }
 189     }
 190 }