nmode's Git Repositories - signal-cli/blob - src/main/java/cli/Manager.java

   1 /**
   2  * Copyright (C) 2015 AsamK
   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 cli;
  18
  19 import org.apache.commons.io.IOUtils;
  20 import org.json.JSONObject;
  21 import org.whispersystems.libaxolotl.IdentityKeyPair;
  22 import org.whispersystems.libaxolotl.InvalidKeyException;
  23 import org.whispersystems.libaxolotl.InvalidVersionException;
  24 import org.whispersystems.libaxolotl.state.PreKeyRecord;
  25 import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
  26 import org.whispersystems.libaxolotl.util.KeyHelper;
  27 import org.whispersystems.libaxolotl.util.Medium;
  28 import org.whispersystems.libaxolotl.util.guava.Optional;
  29 import org.whispersystems.textsecure.api.TextSecureAccountManager;
  30 import org.whispersystems.textsecure.api.TextSecureMessagePipe;
  31 import org.whispersystems.textsecure.api.TextSecureMessageReceiver;
  32 import org.whispersystems.textsecure.api.TextSecureMessageSender;
  33 import org.whispersystems.textsecure.api.crypto.TextSecureCipher;
  34 import org.whispersystems.textsecure.api.messages.TextSecureContent;
  35 import org.whispersystems.textsecure.api.messages.TextSecureEnvelope;
  36 import org.whispersystems.textsecure.api.push.TextSecureAddress;
  37 import org.whispersystems.textsecure.api.push.TrustStore;
  38 import org.whispersystems.textsecure.api.util.InvalidNumberException;
  39 import org.whispersystems.textsecure.api.util.PhoneNumberFormatter;
  40
  41 import java.io.*;
  42 import java.util.List;
  43 import java.util.concurrent.TimeUnit;
  44 import java.util.concurrent.TimeoutException;
  45
  46 public class Manager {
  47     private final static String URL = "https://textsecure-service.whispersystems.org";
  48     private final static TrustStore TRUST_STORE = new WhisperTrustStore();
  49
  50     private final static String settingsPath = System.getProperty("user.home") + "/.config/textsecure";
  51
  52     private String username;
  53     private String password;
  54     private String signalingKey;
  55
  56     private boolean registered = false;
  57
  58     private JsonAxolotlStore axolotlStore;
  59     TextSecureAccountManager accountManager;
  60
  61     public Manager(String username) {
  62         this.username = username;
  63     }
  64
  65     private String getFileName() {
  66         String path = settingsPath + "/data";
  67         new File(path).mkdirs();
  68         return path + "/" + username;
  69     }
  70
  71     public boolean userExists() {
  72         File f = new File(getFileName());
  73         if (!f.exists() || f.isDirectory()) {
  74             return false;
  75         }
  76         return true;
  77     }
  78
  79     public boolean userHasKeys() {
  80         return axolotlStore != null;
  81     }
  82
  83     public void load() throws IOException, InvalidKeyException {
  84         JSONObject in = new JSONObject(IOUtils.toString(new FileInputStream(getFileName())));
  85         username = in.getString("username");
  86         password = in.getString("password");
  87         if (in.has("signalingKey")) {
  88             signalingKey = in.getString("signalingKey");
  89         }
  90         axolotlStore = new JsonAxolotlStore(in.getJSONObject("axolotlStore"));
  91         registered = in.getBoolean("registered");
  92         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
  93     }
  94
  95     public void save() {
  96         String out = new JSONObject().put("username", username)
  97                 .put("password", password)
  98                 .put("signalingKey", signalingKey)
  99                 .put("axolotlStore", axolotlStore.getJson())
 100                 .put("registered", registered).toString();
 101         try {
 102             OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(getFileName()));
 103             writer.write(out);
 104             writer.flush();
 105             writer.close();
 106         } catch (Exception e) {
 107             System.out.println("Saving file error: " + e.getMessage());
 108             return;
 109         }
 110     }
 111
 112     public void createNewIdentity() {
 113         IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
 114         int registrationId = KeyHelper.generateRegistrationId(false);
 115         axolotlStore = new JsonAxolotlStore(identityKey, registrationId);
 116         registered = false;
 117     }
 118
 119     public boolean isRegistered() {
 120         return registered;
 121     }
 122
 123     public void register(boolean voiceVerication) throws IOException {
 124         password = Util.getSecret(18);
 125
 126         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
 127
 128         if (voiceVerication)
 129             accountManager.requestVoiceVerificationCode();
 130         else
 131             accountManager.requestSmsVerificationCode();
 132
 133         registered = false;
 134     }
 135
 136     public void verifyAccount(String verificationCode) throws IOException {
 137         verificationCode = verificationCode.replace("-", "");
 138         signalingKey = Util.getSecret(52);
 139         accountManager.verifyAccount(verificationCode, signalingKey, false, axolotlStore.getLocalRegistrationId());
 140
 141         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
 142         registered = true;
 143
 144         int start = 0;
 145         List<PreKeyRecord> oneTimePreKeys = KeyHelper.generatePreKeys(start, 100);
 146         for (int i = start; i < oneTimePreKeys.size(); i++) {
 147             axolotlStore.storePreKey(i, oneTimePreKeys.get(i));
 148         }
 149
 150         PreKeyRecord lastResortKey = KeyHelper.generateLastResortPreKey();
 151         axolotlStore.storePreKey(Medium.MAX_VALUE, lastResortKey);
 152
 153         int signedPreKeyId = 0;
 154         SignedPreKeyRecord signedPreKeyRecord;
 155         try {
 156             signedPreKeyRecord = KeyHelper.generateSignedPreKey(axolotlStore.getIdentityKeyPair(), signedPreKeyId);
 157             axolotlStore.storeSignedPreKey(signedPreKeyId, signedPreKeyRecord);
 158         } catch (InvalidKeyException e) {
 159             // Should really not happen
 160             System.out.println("invalid key");
 161             return;
 162         }
 163         accountManager.setPreKeys(axolotlStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
 164     }
 165
 166     public TextSecureMessageSender getMessageSender() {
 167         return new TextSecureMessageSender(URL, TRUST_STORE, username, password,
 168                 axolotlStore, Optional.<TextSecureMessageSender.EventListener>absent());
 169     }
 170
 171     public TextSecureContent decryptMessage(TextSecureEnvelope envelope) {
 172         TextSecureCipher cipher = new TextSecureCipher(new TextSecureAddress(username), axolotlStore);
 173         try {
 174             return cipher.decrypt(envelope);
 175         } catch (Exception e) {
 176             // TODO handle all exceptions
 177             e.printStackTrace();
 178             return null;
 179         }
 180     }
 181
 182     public void handleEndSession(String source) {
 183         axolotlStore.deleteAllSessions(source);
 184     }
 185
 186     public interface ReceiveMessageHandler {
 187         void handleMessage(TextSecureEnvelope envelope);
 188     }
 189
 190     public void receiveMessages(int timeoutSeconds, boolean returnOnTimeout, ReceiveMessageHandler handler) throws IOException {
 191         TextSecureMessageReceiver messageReceiver = new TextSecureMessageReceiver(URL, TRUST_STORE, username, password, signalingKey);
 192         TextSecureMessagePipe messagePipe = null;
 193
 194         try {
 195             messagePipe = messageReceiver.createMessagePipe();
 196
 197             while (true) {
 198                 TextSecureEnvelope envelope;
 199                 try {
 200                     envelope = messagePipe.read(timeoutSeconds, TimeUnit.SECONDS);
 201                     handler.handleMessage(envelope);
 202                 } catch (TimeoutException e) {
 203                     if (returnOnTimeout)
 204                         return;
 205                 } catch (InvalidVersionException e) {
 206                     System.out.println("Ignoring error: " + e.getMessage());
 207                 }
 208                 save();
 209             }
 210         } finally {
 211             if (messagePipe != null)
 212                 messagePipe.shutdown();
 213         }
 214     }
 215
 216     public String canonicalizeNumber(String number) throws InvalidNumberException {
 217         String localNumber = username;
 218         return PhoneNumberFormatter.formatNumber(number, localNumber);
 219     }
 220
 221     protected TextSecureAddress getPushAddress(String number) throws InvalidNumberException {
 222         String e164number = canonicalizeNumber(number);
 223         return new TextSecureAddress(e164number);
 224     }
 225 }