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

   1 /**
   2  * Copyright (C) 2015 AsamK
   3  * <p>
   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  * <p>
   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  * <p>
  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
  39 import java.io.*;
  40 import java.util.List;
  41 import java.util.concurrent.TimeUnit;
  42 import java.util.concurrent.TimeoutException;
  43
  44 public class Manager {
  45     private final static String URL = "https://textsecure-service.whispersystems.org";
  46     private final static TrustStore TRUST_STORE = new WhisperTrustStore();
  47
  48     private final static String settingsPath = System.getProperty("user.home") + "/.config/textsecure";
  49
  50     private String username;
  51     private String password;
  52     private String signalingKey;
  53
  54     private boolean registered = false;
  55
  56     private JsonAxolotlStore axolotlStore;
  57     TextSecureAccountManager accountManager;
  58
  59     public Manager(String username) {
  60         this.username = username;
  61     }
  62
  63     private String getFileName() {
  64         String path = settingsPath + "/data";
  65         new File(path).mkdirs();
  66         return path + "/" + username;
  67     }
  68
  69     public boolean userExists() {
  70         File f = new File(getFileName());
  71         if (!f.exists() || f.isDirectory()) {
  72             return false;
  73         }
  74         return true;
  75     }
  76
  77     public boolean userHasKeys() {
  78         return axolotlStore != null;
  79     }
  80
  81     public void load() throws IOException, InvalidKeyException {
  82         JSONObject in = new JSONObject(IOUtils.toString(new FileInputStream(getFileName())));
  83         username = in.getString("username");
  84         password = in.getString("password");
  85         if (in.has("signalingKey")) {
  86             signalingKey = in.getString("signalingKey");
  87         }
  88         axolotlStore = new JsonAxolotlStore(in.getJSONObject("axolotlStore"));
  89         registered = in.getBoolean("registered");
  90         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
  91     }
  92
  93     public void save() {
  94         String out = new JSONObject().put("username", username)
  95                 .put("password", password)
  96                 .put("signalingKey", signalingKey)
  97                 .put("axolotlStore", axolotlStore.getJson())
  98                 .put("registered", registered).toString();
  99         try {
 100             OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(getFileName()));
 101             writer.write(out);
 102             writer.flush();
 103             writer.close();
 104         } catch (Exception e) {
 105             System.out.println("Saving file error: " + e.getMessage());
 106             return;
 107         }
 108     }
 109
 110     public void createNewIdentity() {
 111         IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
 112         int registrationId = KeyHelper.generateRegistrationId(false);
 113         axolotlStore = new JsonAxolotlStore(identityKey, registrationId);
 114         registered = false;
 115     }
 116
 117     public boolean isRegistered() {
 118         return registered;
 119     }
 120
 121     public void register(boolean voiceVerication) throws IOException {
 122         password = Util.getSecret(18);
 123
 124         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
 125
 126         if (voiceVerication)
 127             accountManager.requestVoiceVerificationCode();
 128         else
 129             accountManager.requestSmsVerificationCode();
 130
 131         registered = false;
 132     }
 133
 134     public void verifyAccount(String verificationCode) throws IOException {
 135         verificationCode = verificationCode.replace("-", "");
 136         signalingKey = Util.getSecret(52);
 137         accountManager.verifyAccount(verificationCode, signalingKey, false, axolotlStore.getLocalRegistrationId());
 138
 139         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
 140         registered = true;
 141
 142         int start = 0;
 143         List<PreKeyRecord> oneTimePreKeys = KeyHelper.generatePreKeys(start, 100);
 144         for (int i = start; i < oneTimePreKeys.size(); i++) {
 145             axolotlStore.storePreKey(i, oneTimePreKeys.get(i));
 146         }
 147
 148         PreKeyRecord lastResortKey = KeyHelper.generateLastResortPreKey();
 149         axolotlStore.storePreKey(Medium.MAX_VALUE, lastResortKey);
 150
 151         int signedPreKeyId = 0;
 152         SignedPreKeyRecord signedPreKeyRecord;
 153         try {
 154             signedPreKeyRecord = KeyHelper.generateSignedPreKey(axolotlStore.getIdentityKeyPair(), signedPreKeyId);
 155             axolotlStore.storeSignedPreKey(signedPreKeyId, signedPreKeyRecord);
 156         } catch (InvalidKeyException e) {
 157             // Should really not happen
 158             System.out.println("invalid key");
 159             return;
 160         }
 161         accountManager.setPreKeys(axolotlStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
 162     }
 163
 164     public TextSecureMessageSender getMessageSender() {
 165         return new TextSecureMessageSender(URL, TRUST_STORE, username, password,
 166                 axolotlStore, Optional.<TextSecureMessageSender.EventListener>absent());
 167     }
 168
 169     public TextSecureContent receiveMessage() throws IOException, InvalidVersionException {
 170         TextSecureMessageReceiver messageReceiver = new TextSecureMessageReceiver(URL, TRUST_STORE, username, password, signalingKey);
 171         TextSecureMessagePipe messagePipe = null;
 172
 173         try {
 174             messagePipe = messageReceiver.createMessagePipe();
 175
 176             TextSecureEnvelope envelope;
 177             try {
 178                 envelope = messagePipe.read(5, TimeUnit.SECONDS);
 179             } catch (TimeoutException e) {
 180                 return null;
 181             }
 182             TextSecureCipher cipher = new TextSecureCipher(new TextSecureAddress(username), axolotlStore);
 183             TextSecureContent message = null;
 184             try {
 185                 message = cipher.decrypt(envelope);
 186             } catch (Exception e) {
 187                 // TODO handle all exceptions
 188                 e.printStackTrace();
 189             }
 190             return message;
 191         } finally {
 192             if (messagePipe != null)
 193                 messagePipe.shutdown();
 194         }
 195     }
 196 }