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.guava.Optional;
  28 import org.whispersystems.textsecure.api.TextSecureAccountManager;
  29 import org.whispersystems.textsecure.api.TextSecureMessagePipe;
  30 import org.whispersystems.textsecure.api.TextSecureMessageReceiver;
  31 import org.whispersystems.textsecure.api.TextSecureMessageSender;
  32 import org.whispersystems.textsecure.api.crypto.TextSecureCipher;
  33 import org.whispersystems.textsecure.api.messages.TextSecureContent;
  34 import org.whispersystems.textsecure.api.messages.TextSecureEnvelope;
  35 import org.whispersystems.textsecure.api.push.TextSecureAddress;
  36 import org.whispersystems.textsecure.api.push.TrustStore;
  37
  38 import java.io.*;
  39 import java.util.List;
  40 import java.util.concurrent.TimeUnit;
  41 import java.util.concurrent.TimeoutException;
  42
  43 public class Manager {
  44     private final static String URL = "https://textsecure-service.whispersystems.org";
  45     private final static TrustStore TRUST_STORE = new WhisperTrustStore();
  46
  47     private final static String settingsPath = System.getProperty("user.home") + "/.config/textsecure";
  48
  49     private String username;
  50     private String password;
  51     private String signalingKey;
  52
  53     private boolean registered = false;
  54
  55     private JsonAxolotlStore axolotlStore;
  56     TextSecureAccountManager accountManager;
  57
  58     public Manager(String username) {
  59         this.username = username;
  60     }
  61
  62     private String getFileName() {
  63         String path = settingsPath + "/data";
  64         new File(path).mkdirs();
  65         return path + "/" + username;
  66     }
  67
  68     public boolean userExists() {
  69         File f = new File(getFileName());
  70         if (!f.exists() || f.isDirectory()) {
  71             return false;
  72         }
  73         return true;
  74     }
  75
  76     public boolean userHasKeys() {
  77         return axolotlStore != null;
  78     }
  79
  80     public void load() throws IOException, InvalidKeyException {
  81         JSONObject in = new JSONObject(IOUtils.toString(new FileInputStream(getFileName())));
  82         username = in.getString("username");
  83         password = in.getString("password");
  84         if (in.has("signalingKey")) {
  85             signalingKey = in.getString("signalingKey");
  86         }
  87         axolotlStore = new JsonAxolotlStore(in.getJSONObject("axolotlStore"));
  88         registered = in.getBoolean("registered");
  89         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
  90     }
  91
  92     public void save() {
  93         String out = new JSONObject().put("username", username)
  94                 .put("password", password)
  95                 .put("signalingKey", signalingKey)
  96                 .put("axolotlStore", axolotlStore.getJson())
  97                 .put("registered", registered).toString();
  98         try {
  99             OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(getFileName()));
 100             writer.write(out);
 101             writer.flush();
 102             writer.close();
 103         } catch (Exception e) {
 104             System.out.println("Saving file error: " + e.getMessage());
 105             return;
 106         }
 107     }
 108
 109     public void createNewIdentity() {
 110         IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
 111         int registrationId = KeyHelper.generateRegistrationId(false);
 112         axolotlStore = new JsonAxolotlStore(identityKey, registrationId);
 113         registered = false;
 114     }
 115
 116     public boolean isRegistered() {
 117         return registered;
 118     }
 119
 120     public void register() throws IOException {
 121         password = Util.getSecret(18);
 122
 123         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
 124
 125         accountManager.requestSmsVerificationCode();
 126         registered = false;
 127     }
 128
 129     public void verifyAccount(String verificationCode) throws IOException {
 130         verificationCode = verificationCode.replace("-", "");
 131         signalingKey = Util.getSecret(52);
 132         accountManager.verifyAccount(verificationCode, signalingKey, false, axolotlStore.getLocalRegistrationId());
 133
 134         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
 135         registered = true;
 136         int start = 0;
 137         List<PreKeyRecord> oneTimePreKeys = KeyHelper.generatePreKeys(start, 100);
 138         PreKeyRecord lastResortKey = KeyHelper.generateLastResortPreKey();
 139         int signedPreKeyId = 0;
 140         SignedPreKeyRecord signedPreKeyRecord;
 141         try {
 142             signedPreKeyRecord = KeyHelper.generateSignedPreKey(axolotlStore.getIdentityKeyPair(), signedPreKeyId);
 143         } catch (InvalidKeyException e) {
 144             // Should really not happen
 145             System.out.println("invalid key");
 146             return;
 147         }
 148         accountManager.setPreKeys(axolotlStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
 149     }
 150
 151     public TextSecureMessageSender getMessageSender() {
 152         return new TextSecureMessageSender(URL, TRUST_STORE, username, password,
 153                 axolotlStore, Optional.<TextSecureMessageSender.EventListener>absent());
 154     }
 155
 156     public TextSecureContent receiveMessage() throws IOException, InvalidVersionException {
 157         TextSecureMessageReceiver messageReceiver = new TextSecureMessageReceiver(URL, TRUST_STORE, username, password, signalingKey);
 158         TextSecureMessagePipe messagePipe = null;
 159
 160         try {
 161             messagePipe = messageReceiver.createMessagePipe();
 162
 163             TextSecureEnvelope envelope;
 164             try {
 165                 envelope = messagePipe.read(5, TimeUnit.SECONDS);
 166             } catch (TimeoutException e) {
 167                 return null;
 168             }
 169             TextSecureCipher cipher = new TextSecureCipher(new TextSecureAddress(username), axolotlStore);
 170             TextSecureContent message = null;
 171             try {
 172                 message = cipher.decrypt(envelope);
 173             } catch (Exception e) {
 174                 // TODO handle all exceptions
 175                 e.printStackTrace();
 176             }
 177             return message;
 178         } finally {
 179             if (messagePipe != null)
 180                 messagePipe.shutdown();
 181         }
 182     }
 183 }