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

   1 package cli;
   2
   3 import org.json.JSONArray;
   4 import org.json.JSONObject;
   5 import org.whispersystems.libaxolotl.InvalidKeyIdException;
   6 import org.whispersystems.libaxolotl.state.PreKeyRecord;
   7 import org.whispersystems.libaxolotl.state.PreKeyStore;
   8
   9 import java.io.IOException;
  10 import java.util.HashMap;
  11 import java.util.Map;
  12
  13 public class JsonPreKeyStore implements PreKeyStore {
  14
  15     private final Map<Integer, byte[]> store = new HashMap<>();
  16
  17     public JsonPreKeyStore() {
  18
  19     }
  20
  21     public JsonPreKeyStore(JSONArray list) throws IOException {
  22         for (int i = 0; i < list.length(); i++) {
  23             JSONObject k = list.getJSONObject(i);
  24             try {
  25                 store.put(k.getInt("id"), Base64.decode(k.getString("record")));
  26             } catch (IOException e) {
  27                 System.out.println("Error while decoding prekey for: " + k.getString("name"));
  28             }
  29         }
  30     }
  31
  32     public JSONArray getJson() {
  33         JSONArray result = new JSONArray();
  34         for (Integer id : store.keySet()) {
  35             result.put(new JSONObject().put("id", id.toString()).put("record", Base64.encodeBytes(store.get(id))));
  36         }
  37         return result;
  38     }
  39
  40     @Override
  41     public PreKeyRecord loadPreKey(int preKeyId) throws InvalidKeyIdException {
  42         try {
  43             if (!store.containsKey(preKeyId)) {
  44                 throw new InvalidKeyIdException("No such prekeyrecord!");
  45             }
  46
  47             return new PreKeyRecord(store.get(preKeyId));
  48         } catch (IOException e) {
  49             throw new AssertionError(e);
  50         }
  51     }
  52
  53     @Override
  54     public void storePreKey(int preKeyId, PreKeyRecord record) {
  55         store.put(preKeyId, record.serialize());
  56     }
  57
  58     @Override
  59     public boolean containsPreKey(int preKeyId) {
  60         return store.containsKey(preKeyId);
  61     }
  62
  63     @Override
  64     public void removePreKey(int preKeyId) {
  65         store.remove(preKeyId);
  66     }
  67 }