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
  42 public class ProvisioningManager {
  43
  44     private final static Logger logger = LoggerFactory.getLogger(ProvisioningManager.class);
  45
  46     private final PathConfig pathConfig;
  47     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  48     private final String userAgent;
  49
  50     private final SignalServiceAccountManager accountManager;
  51     private final IdentityKeyPair tempIdentityKey;
  52     private final int registrationId;
  53     private final String password;
  54
  55     ProvisioningManager(PathConfig pathConfig, ServiceEnvironmentConfig serviceEnvironmentConfig, String userAgent) {
  56         this.pathConfig = pathConfig;
  57         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  58         this.userAgent = userAgent;
  59
  60         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  61         registrationId = KeyHelper.generateRegistrationId(false);
  62         password = KeyUtils.createPassword();
  63         GroupsV2Operations groupsV2Operations;
  64         try {
  65             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
  66         } catch (Throwable ignored) {
  67             groupsV2Operations = null;
  68         }
  69         accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
  70                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
  71                 userAgent,
  72                 groupsV2Operations,
  73                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  74     }
  75
  76     public static ProvisioningManager init(
  77             File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
  78     ) {
  79         var pathConfig = PathConfig.createDefault(settingsPath);
  80
  81         final var serviceConfiguration = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
  82
  83         return new ProvisioningManager(pathConfig, serviceConfiguration, userAgent);
  84     }
  85
  86     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  87         var deviceUuid = accountManager.getNewDeviceUuid();
  88
  89         return new DeviceLinkInfo(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  90     }
  91
  92     public Manager finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExists {
  93         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
  94         var number = ret.getNumber();
  95
  96         logger.info("Received link information from {}, linking in progress ...", number);
  97
  98         if (SignalAccount.userExists(pathConfig.getDataPath(), number) && !canRelinkExistingAccount(number)) {
  99             throw new UserAlreadyExists(number, SignalAccount.getFileName(pathConfig.getDataPath(), number));
 100         }
 101
 102         var encryptedDeviceName = deviceName == null
 103                 ? null
 104                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getIdentity().getPrivateKey());
 105
 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.getDataPath(),
 118                     number,
 119                     ret.getUuid(),
 120                     password,
 121                     encryptedDeviceName,
 122                     deviceId,
 123                     ret.getIdentity(),
 124                     registrationId,
 125                     profileKey,
 126                     TrustNewIdentity.ON_FIRST_USE);
 127
 128             Manager m = null;
 129             try {
 130                 m = new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 131
 132                 try {
 133                     m.refreshPreKeys();
 134                 } catch (Exception e) {
 135                     logger.error("Failed to check new account state.");
 136                     throw e;
 137                 }
 138
 139                 try {
 140                     m.requestAllSyncData();
 141                 } catch (Exception e) {
 142                     logger.error("Failed to request sync messages from linked device.");
 143                     throw e;
 144                 }
 145
 146                 final var result = m;
 147                 account = null;
 148                 m = null;
 149
 150                 return result;
 151             } finally {
 152                 if (m != null) {
 153                     m.close();
 154                 }
 155             }
 156         } finally {
 157             if (account != null) {
 158                 account.close();
 159             }
 160         }
 161     }
 162
 163     private boolean canRelinkExistingAccount(final String number) throws IOException {
 164         final SignalAccount signalAccount;
 165         try {
 166             signalAccount = SignalAccount.load(pathConfig.getDataPath(), number, false, TrustNewIdentity.ON_FIRST_USE);
 167         } catch (IOException e) {
 168             logger.debug("Account in use or failed to load.", e);
 169             return false;
 170         }
 171
 172         try (signalAccount) {
 173             if (signalAccount.isMasterDevice()) {
 174                 logger.debug("Account is a master device.");
 175                 return false;
 176             }
 177
 178             final var m = new Manager(signalAccount, pathConfig, serviceEnvironmentConfig, userAgent);
 179             try (m) {
 180                 m.checkAccountState();
 181             } catch (AuthorizationFailedException ignored) {
 182                 return true;
 183             }
 184
 185             logger.debug("Account is still successfully linked.");
 186             return false;
 187         }
 188     }
 189 }