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         signalingKey = in.getString("signalingKey");
  85         axolotlStore = new JsonAxolotlStore(in.getJSONObject("axolotlStore"));
  86         registered = in.getBoolean("registered");
  87         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
  88     }
  89
  90     public void save() {
  91         String out = new JSONObject().put("username", username)
  92                 .put("password", password)
  93                 .put("signalingKey", signalingKey)
  94                 .put("axolotlStore", axolotlStore.getJson())
  95                 .put("registered", registered).toString();
  96         try {
  97             OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(getFileName()));
  98             writer.write(out);
  99             writer.flush();
 100             writer.close();
 101         } catch (Exception e) {
 102             System.out.println("Saving file error: " + e.getMessage());
 103             return;
 104         }
 105     }
 106
 107     public void createNewIdentity() {
 108         IdentityKeyPair identityKey = KeyHelper.generateIdentityKeyPair();
 109         int registrationId = KeyHelper.generateRegistrationId(false);
 110         axolotlStore = new JsonAxolotlStore(identityKey, registrationId);
 111         registered = false;
 112     }
 113
 114     public boolean isRegistered() {
 115         return registered;
 116     }
 117
 118     public void register() throws IOException {
 119         password = Util.getSecret(18);
 120
 121         accountManager = new TextSecureAccountManager(URL, TRUST_STORE, username, password);
 122
 123         accountManager.requestSmsVerificationCode();
 124         registered = false;
 125     }
 126
 127     public void verifyAccount(String verificationCode) throws IOException {
 128         verificationCode = verificationCode.replace("-", "");
 129         signalingKey = Util.getSecret(52);
 130         accountManager.verifyAccount(verificationCode, signalingKey, false, axolotlStore.getLocalRegistrationId());
 131
 132         //accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
 133         registered = true;
 134         int start = 0;
 135         List<PreKeyRecord> oneTimePreKeys = KeyHelper.generatePreKeys(start, 100);
 136         PreKeyRecord lastResortKey = KeyHelper.generateLastResortPreKey();
 137         int signedPreKeyId = 0;
 138         SignedPreKeyRecord signedPreKeyRecord;
 139         try {
 140             signedPreKeyRecord = KeyHelper.generateSignedPreKey(axolotlStore.getIdentityKeyPair(), signedPreKeyId);
 141         } catch (InvalidKeyException e) {
 142             // Should really not happen
 143             System.out.println("invalid key");
 144             return;
 145         }
 146         accountManager.setPreKeys(axolotlStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
 147     }
 148
 149     public TextSecureMessageSender getMessageSender() {
 150         return new TextSecureMessageSender(URL, TRUST_STORE, username, password,
 151                 axolotlStore, Optional.<TextSecureMessageSender.EventListener>absent());
 152     }
 153
 154     public TextSecureContent receiveMessage() throws IOException, InvalidVersionException {
 155         TextSecureMessageReceiver messageReceiver = new TextSecureMessageReceiver(URL, TRUST_STORE, username, password, signalingKey);
 156         TextSecureMessagePipe messagePipe = null;
 157
 158         try {
 159             messagePipe = messageReceiver.createMessagePipe();
 160
 161             TextSecureEnvelope envelope;
 162             try {
 163                 envelope = messagePipe.read(5, TimeUnit.SECONDS);
 164             } catch (TimeoutException e) {
 165                 return null;
 166             }
 167             TextSecureCipher cipher = new TextSecureCipher(new TextSecureAddress(username), axolotlStore);
 168             TextSecureContent message = null;
 169             try {
 170                 message = cipher.decrypt(envelope);
 171             } catch (Exception e) {
 172                 // TODO handle all exceptions
 173                 e.printStackTrace();
 174             }
 175             return message;
 176         } finally {
 177             if (messagePipe != null)
 178                 messagePipe.shutdown();
 179         }
 180     }
 181 }