예제 #1
0
 @Override
 public Passphrase getCachedPassphrase(long masterKeyId, long subKeyId)
     throws NoSecretKeyException {
   try {
     return PassphraseCacheService.getCachedPassphrase(mContext, masterKeyId, subKeyId);
   } catch (PassphraseCacheService.KeyNotFoundException e) {
     throw new PassphraseCacheInterface.NoSecretKeyException();
   }
 }
  /** handles the UI bits of the signing process on the UI thread */
  private void initiateSigning() {
    PGPPublicKeyRing pubring = ProviderHelper.getPGPPublicKeyRingByMasterKeyId(this, mPubKeyId);
    if (pubring != null) {
      // if we have already signed this key, dont bother doing it again
      boolean alreadySigned = false;

      @SuppressWarnings("unchecked")
      Iterator<PGPSignature> itr = pubring.getPublicKey(mPubKeyId).getSignatures();
      while (itr.hasNext()) {
        PGPSignature sig = itr.next();
        if (sig.getKeyID() == mMasterKeyId) {
          alreadySigned = true;
          break;
        }
      }

      if (!alreadySigned) {
        /*
         * get the user's passphrase for this key (if required)
         */
        String passphrase = PassphraseCacheService.getCachedPassphrase(this, mMasterKeyId);
        if (passphrase == null) {
          showPassphraseDialog(mMasterKeyId);
          // bail out; need to wait until the user has entered the passphrase before trying again
          return;
        } else {
          startSigning();
        }
      } else {
        Toast.makeText(this, R.string.key_has_already_been_signed, Toast.LENGTH_SHORT).show();

        setResult(RESULT_CANCELED);
        finish();
      }
    }
  }