KravaDanil

private static byte[] encrypt(byte[] key, byte[] input) throws Exception {
    SecretKeySpec skeySpec = new SecretKeySpec(key, "AES");
    Cipher cipher = Cipher.getInstance("AES");
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
    byte[] encrypted = cipher.doFinal(input);
    return encrypted;
}

private static byte[] decrypt(byte[] key, byte[] encrypted) throws Exception {
    SecretKeySpec skeySpec = new SecretKeySpec(key, "AES");

KravaDanil

private static boolean isRooted() {
    return findBinary("su");
}

public static boolean findBinary(String binaryName) {
    boolean found = false;
    if (!found) {
        String[] places = {"/sbin/", "/system/bin/",
                "/system/xbin/", "/data/local/xbin/",
                "/data/local/bin/", "/system/sd/xbin/",

KravaDanil

 fun getStripeIdToServer(hm: Map<String, String>) =
    freebirdApi.authStripe(hm)
      .doOnSubscribe { view?.showProgress() }
      .doAfterTerminate { view?.hideProgress() }
      .flatMap { json ->
        view?.onJsonObjectCallback(json)
        return@flatMap freebirdApi.addExternalAccount(mapOf(Pair("token", json.getString("access_token"))))
      }
      .subscribe({
        preferences.setUserInfo(it.user)

KravaDanil

class ResponseMapper<T> : RMapper<T> {
  private var errorString: String = "{}"

  override fun getErrorString() = errorString

  override fun apply(it: Response<T>): Single<T> {
    return when {
      it.isSuccessful -> Single.just(it.body()!!)
      it.errorBody() == null -> Single.error<T>(UnrecoverableException("Unknown exception"))
      else -> {

KravaDanil

val str = if (json.has("errors") && json.getJSONArray("errors").length() > 0 &&
          (json.getJSONArray("errors").get(0) as JSONObject).length() > 0 &&
          (json.getJSONArray("errors").get(0) as JSONObject).keys().hasNext()) {
          val errorsObj = json.getJSONArray("errors").get(0) as JSONObject
          errorsObj.keys()
            .asSequence()
            .map { errorsObj.getString(it) }
            .joinToString("\n")
        } else if (json.has("error_description")) {
          json.getString("error_description")

KravaDanil

class ResponseMapper<T> : RMapper<T> {
  private var errorString: String = "{}"

  override fun getErrorString() = errorString

  override fun apply(it: Response<T>): Single<T> {
    return when {
      it.isSuccessful -> Single.just(it.body()!!)
      it.errorBody() == null -> Single.error<T>(UnrecoverableException("Unknown exception"))
      else -> {