nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/internal/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.internal;
  18
  19 import org.asamk.signal.manager.Manager;
  20 import org.asamk.signal.manager.ProvisioningManager;
  21 import org.asamk.signal.manager.Settings;
  22 import org.asamk.signal.manager.api.DeviceLinkUrl;
  23 import org.asamk.signal.manager.api.UserAlreadyExistsException;
  24 import org.asamk.signal.manager.config.ServiceConfig;
  25 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  26 import org.asamk.signal.manager.storage.SignalAccount;
  27 import org.asamk.signal.manager.storage.accounts.AccountsStore;
  28 import org.asamk.signal.manager.util.KeyUtils;
  29 import org.signal.libsignal.protocol.IdentityKeyPair;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32 import org.whispersystems.signalservice.api.push.ServiceIdType;
  33 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  34 import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
  35 import org.whispersystems.signalservice.api.registration.ProvisioningApi;
  36 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  37 import org.whispersystems.signalservice.internal.push.ProvisioningSocket;
  38 import org.whispersystems.signalservice.internal.push.PushServiceSocket;
  39 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  40
  41 import java.io.IOException;
  42 import java.net.URI;
  43 import java.nio.channels.OverlappingFileLockException;
  44 import java.util.concurrent.TimeoutException;
  45 import java.util.function.Consumer;
  46
  47 import static org.asamk.signal.manager.util.KeyUtils.generatePreKeysForType;
  48
  49 public class ProvisioningManagerImpl implements ProvisioningManager {
  50
  51     private static final Logger logger = LoggerFactory.getLogger(ProvisioningManagerImpl.class);
  52
  53     private final PathConfig pathConfig;
  54     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
  55     private final String userAgent;
  56     private final Consumer<Manager> newManagerListener;
  57     private final AccountsStore accountsStore;
  58
  59     private final ProvisioningApi provisioningApi;
  60     private final IdentityKeyPair tempIdentityKey;
  61     private final String password;
  62
  63     public ProvisioningManagerImpl(
  64             PathConfig pathConfig,
  65             ServiceEnvironmentConfig serviceEnvironmentConfig,
  66             String userAgent,
  67             final Consumer<Manager> newManagerListener,
  68             final AccountsStore accountsStore
  69     ) {
  70         this.pathConfig = pathConfig;
  71         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
  72         this.userAgent = userAgent;
  73         this.newManagerListener = newManagerListener;
  74         this.accountsStore = accountsStore;
  75
  76         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
  77         password = KeyUtils.createPassword();
  78         final var credentialsProvider = new DynamicCredentialsProvider(null,
  79                 null,
  80                 null,
  81                 password,
  82                 SignalServiceAddress.DEFAULT_DEVICE_ID);
  83         final var pushServiceSocket = new PushServiceSocket(serviceEnvironmentConfig.signalServiceConfiguration(),
  84                 credentialsProvider,
  85                 userAgent,
  86                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
  87         final var provisioningSocket = new ProvisioningSocket(serviceEnvironmentConfig.signalServiceConfiguration(),
  88                 userAgent);
  89         this.provisioningApi = new ProvisioningApi(pushServiceSocket, provisioningSocket, credentialsProvider);
  90     }
  91
  92     @Override
  93     public URI getDeviceLinkUri() throws TimeoutException, IOException {
  94         var deviceUuid = provisioningApi.getNewDeviceUuid();
  95
  96         return new DeviceLinkUrl(deviceUuid, tempIdentityKey.getPublicKey().getPublicKey()).createDeviceLinkUri();
  97     }
  98
  99     @Override
 100     public String finishDeviceLink(String deviceName) throws IOException, TimeoutException, UserAlreadyExistsException {
 101         var ret = provisioningApi.getNewDeviceRegistration(tempIdentityKey);
 102         var number = ret.getNumber();
 103         var aci = ret.getAci();
 104         var pni = ret.getPni();
 105
 106         logger.info("Received link information from {}, linking in progress ...", number);
 107
 108         var accountPath = accountsStore.getPathByAci(aci);
 109         if (accountPath == null) {
 110             accountPath = accountsStore.getPathByNumber(number);
 111         }
 112         final var accountExists = accountPath != null && SignalAccount.accountFileExists(pathConfig.dataPath(),
 113                 accountPath);
 114         if (accountExists && !canRelinkExistingAccount(accountPath)) {
 115             throw new UserAlreadyExistsException(number, SignalAccount.getFileName(pathConfig.dataPath(), accountPath));
 116         }
 117         if (accountPath == null) {
 118             accountPath = accountsStore.addAccount(number, aci);
 119         } else {
 120             accountsStore.updateAccount(accountPath, number, aci);
 121         }
 122
 123         var encryptedDeviceName = deviceName == null
 124                 ? null
 125                 : DeviceNameUtil.encryptDeviceName(deviceName, ret.getAciIdentity().getPrivateKey());
 126         // Create new account with the synced identity
 127         var profileKey = ret.getProfileKey() == null ? KeyUtils.createProfileKey() : ret.getProfileKey();
 128
 129         SignalAccount account = null;
 130         try {
 131             if (!accountExists) {
 132                 account = SignalAccount.createLinkedAccount(pathConfig.dataPath(),
 133                         accountPath,
 134                         serviceEnvironmentConfig.type(),
 135                         Settings.DEFAULT);
 136             } else {
 137                 account = SignalAccount.load(pathConfig.dataPath(), accountPath, true, Settings.DEFAULT);
 138             }
 139
 140             account.setProvisioningData(number,
 141                     aci,
 142                     pni,
 143                     password,
 144                     encryptedDeviceName,
 145                     ret.getAciIdentity(),
 146                     ret.getPniIdentity(),
 147                     profileKey,
 148                     ret.getMasterKey(),
 149                     ret.getAccountEntropyPool(),
 150                     ret.getMediaRootBackupKey());
 151
 152             account.getConfigurationStore().setReadReceipts(ret.isReadReceipts());
 153
 154             final var aciPreKeys = generatePreKeysForType(account.getAccountData(ServiceIdType.ACI));
 155             final var pniPreKeys = generatePreKeysForType(account.getAccountData(ServiceIdType.PNI));
 156
 157             logger.debug("Finishing new device registration");
 158             var deviceId = provisioningApi.finishNewDeviceRegistration(ret.getProvisioningCode(),
 159                     account.getAccountAttributes(null),
 160                     aciPreKeys,
 161                     pniPreKeys);
 162
 163             account.finishLinking(deviceId, aciPreKeys, pniPreKeys);
 164
 165             ManagerImpl m = null;
 166             try {
 167                 m = new ManagerImpl(account,
 168                         pathConfig,
 169                         new AccountFileUpdaterImpl(accountsStore, accountPath),
 170                         serviceEnvironmentConfig,
 171                         userAgent);
 172                 account = null;
 173
 174                 logger.debug("Refreshing pre keys");
 175                 try {
 176                     m.refreshPreKeys();
 177                 } catch (Exception e) {
 178                     logger.error("Failed to refresh pre keys.", e);
 179                 }
 180
 181                 logger.debug("Requesting sync data");
 182                 try {
 183                     m.requestAllSyncData();
 184                 } catch (Exception e) {
 185                     logger.error(
 186                             "Failed to request sync messages from linked device, data can be requested again with `sendSyncRequest`.",
 187                             e);
 188                 }
 189
 190                 if (newManagerListener != null) {
 191                     newManagerListener.accept(m);
 192                     m = null;
 193                 }
 194                 return number;
 195             } finally {
 196                 if (m != null) {
 197                     m.close();
 198                 }
 199             }
 200         } finally {
 201             if (account != null) {
 202                 account.close();
 203             }
 204         }
 205     }
 206
 207     private boolean canRelinkExistingAccount(final String accountPath) throws IOException {
 208         final SignalAccount signalAccount;
 209         try {
 210             signalAccount = SignalAccount.load(pathConfig.dataPath(), accountPath, false, Settings.DEFAULT);
 211         } catch (IOException e) {
 212             logger.debug("Account in use or failed to load.", e);
 213             return false;
 214         } catch (OverlappingFileLockException e) {
 215             logger.debug("Account in use.", e);
 216             return false;
 217         }
 218
 219         try (signalAccount) {
 220             if (signalAccount.isPrimaryDevice()) {
 221                 logger.debug("Account is a primary device.");
 222                 return false;
 223             }
 224             if (signalAccount.isRegistered()
 225                     && signalAccount.getServiceEnvironment() != null
 226                     && signalAccount.getServiceEnvironment() != serviceEnvironmentConfig.type()) {
 227                 logger.debug("Account is registered in another environment: {}.",
 228                         signalAccount.getServiceEnvironment());
 229                 return false;
 230             }
 231
 232             final var m = new ManagerImpl(signalAccount,
 233                     pathConfig,
 234                     new AccountFileUpdaterImpl(accountsStore, accountPath),
 235                     serviceEnvironmentConfig,
 236                     userAgent);
 237             try (m) {
 238                 m.checkAccountState();
 239             } catch (AuthorizationFailedException ignored) {
 240                 return true;
 241             }
 242
 243             logger.debug("Account is still successfully linked.");
 244             return false;
 245         }
 246     }
 247 }