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.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.File;
  37 import java.io.IOException;
  38 import java.net.URI;
  39 import java.util.concurrent.TimeoutException;
  40
  41 public class ProvisioningManager {
  42
  43     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManager.class);
  44
  45     private final PathConfig pathConfig;
  46     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  47     private final String userAgent;
  48
  49     private final SignalServiceAccountManager accountManager;
  50     private final IdentityKeyPair tempIdentityKey;
  51     private final int registrationId;
  52     private final String password;
  53
  54     ProvisioningManager(PathConfig pathConfig, ServiceEnvironmentConfig serviceEnvironmentConfig, String userAgent) {
  55         this.pathConfig = pathConfig;
  56         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  57         this.userAgent = userAgent;
  58
  59         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  60         registrationId = KeyHelper.generateRegistrationId(false);
  61         password = KeyUtils.createPassword();
  62         GroupsV2Operations groupsV2Operations;
  63         try {
  64             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
  65         } catch (Throwable ignored) {
  66             groupsV2Operations = null;
  67         }
  68         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  69                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  70                 userAgent,
  71                 groupsV2Operations,
  72                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  73     }
  74
  75     public static ProvisioningManager init(
  76             File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
  77     ) {
  78         var pathConfig = PathConfig.createDefault(settingsPath);
  79
  80         final var serviceConfiguration = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
  81
  82         return new ProvisioningManager(pathConfig, serviceConfiguration, userAgent);
  83     }
  84
  85     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  86         var deviceUuid = accountManager.getNewDeviceUuid();
  87
  88         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  89     }
  90
  91     public Manager finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExists {
  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.getDataPath(), number) && !canRelinkExistingAccount(number)) {
  98             throw new UserAlreadyExists(number, SignalAccount.getFileName(pathConfig.getDataPath(), number));
  99         }
 100
 101         var encryptedDeviceName = deviceName == null
 102                 ? null
 103                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getIdentity().getPrivateKey());
 104
 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.getDataPath(),
 117                     number,
 118                     ret.getUuid(),
 119                     password,
 120                     encryptedDeviceName,
 121                     deviceId,
 122                     ret.getIdentity(),
 123                     registrationId,
 124                     profileKey);
 125
 126             Manager m = null;
 127             try {
 128                 m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 129
 130                 try {
 131                     m.refreshPreKeys();
 132                 } catch (Exception e) {
 133                     logger.error("Failed to check new account state.");
 134                     throw e;
 135                 }
 136
 137                 try {
 138                     m.requestAllSyncData();
 139                 } catch (Exception e) {
 140                     logger.error("Failed to request sync messages from linked device.");
 141                     throw e;
 142                 }
 143
 144                 final var result = m;
 145                 account = null;
 146                 m = null;
 147
 148                 return result;
 149             } finally {
 150                 if (m != null) {
 151                     m.close();
 152                 }
 153             }
 154         } finally {
 155             if (account != null) {
 156                 account.close();
 157             }
 158         }
 159     }
 160
 161     private boolean canRelinkExistingAccount(final String number) throws IOException {
 162         final SignalAccount signalAccount;
 163         try {
 164             signalAccount = SignalAccount.load(pathConfig.getDataPath(), number, false);
 165         } catch (IOException e) {
 166             logger.debug("Account in use or failed to load.", e);
 167             return false;
 168         }
 169
 170         try (signalAccount) {
 171             if (signalAccount.isMasterDevice()) {
 172                 logger.debug("Account is a master device.");
 173                 return false;
 174             }
 175
 176             final var m = new Manager(signalAccount, pathConfig, serviceEnvironmentConfig, userAgent);
 177             try (m) {
 178                 m.checkAccountState();
 179             } catch (AuthorizationFailedException ignored) {
 180                 return true;
 181             }
 182
 183             logger.debug("Account is still successfully linked.");
 184             return false;
 185         }
 186     }
 187 }