<?php

  if (!isset($_)) { //also provide standalone error page
  	require_once __DIR__ . '/../../../lib/base.php';

  	require_once __DIR__ . '/../lib/crypt.php';

  
  	$l = OC_L10N::get('files_encryption');

  	if (isset($_GET['errorCode'])) {
  		$errorCode = $_GET['errorCode'];
  		switch ($errorCode) {
  			case \OCA\Encryption\Crypt::ENCRYPTION_NOT_INITIALIZED_ERROR:
  				$errorMsg = $l->t('Encryption app not initialized! Maybe the encryption app was re-enabled during your session. Please try to log out and log back in to initialize the encryption app.');
  				break;
  			case \OCA\Encryption\Crypt::ENCRYPTION_PRIVATE_KEY_NOT_VALID_ERROR:
  				$theme = new OC_Defaults();
  				$errorMsg = $l->t('Your private key is not valid! Likely your password was changed outside of %s (e.g. your corporate directory). You can update your private key password in your personal settings to recover access to your encrypted files.', array($theme->getName()));
  				break;
  			case \OCA\Encryption\Crypt::ENCRYPTION_NO_SHARE_KEY_FOUND:
  				$errorMsg = $l->t('Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.');
  				break;
  			default:

  				$errorMsg = $l->t("Unknown error. Please check your system settings or contact your administrator");

  				break;
  		}
  	} else {
  		$errorCode = \OCA\Encryption\Crypt::ENCRYPTION_UNKNOWN_ERROR;

  		$errorMsg = $l->t("Unknown error. Please check your system settings or contact your administrator");

  	}

  	if (isset($_GET['p']) && $_GET['p'] === '1') {
  		header('HTTP/1.0 403 ' . $errorMsg);

  	}

  // check if ajax request
  	if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {

  		\OCP\JSON::error(array('data' => array('message' => $errorMsg)));
  	} else {

  		header('HTTP/1.0 403 ' . $errorMsg);

  		$tmpl = new OC_Template('files_encryption', 'invalid_private_key', 'guest');

  		$tmpl->assign('message', $errorMsg);
  		$tmpl->assign('errorCode', $errorCode);

  		$tmpl->printPage();
  	}
  
  	exit;
  }