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