<?php

// vim: ts=2 sw=2

include_once "db.php";

include_once "device_config_file.php";

include_once "base_controller.php";

class UtilityController extends BaseController {

  // private $basePath = '/sdcard/web/cpt-backups/';

  // private $sedonaPath = '/mnt/sedona/';

  private $basePath = '';

  private $sedonaPath = '';

  function __construct() {

    parent::__construct();

    $this->basePath = backupBasePath();

    $this->sedonaPath = sedonaPath();

  }

  protected function signinRequired() {

    return true;

  }

  protected function doGet() {

    $response = array();

    if (!$this->isSystemEnabled()) {

      die(L("Permission Denied."));

    }

    $action = $_GET['action'];

    if ($action == 'run_phpliteadmin')

      $this->runPhpLiteAdmin()

    else if ($action == 'download')

      $this->downloadBackup();

    else

      die(sprintf(L("Action %s is invalid."), $action));

  }

  public function doAjaxGet() {

    $response = array();

    if (!$this->isSystemEnabled()) {

      $this->renderAjaxError($response, L("permission denied"));

    }

    $action = $_GET['action'];

    if ($action == 'list_backups')

      $this->listBackups();

    else

      $this->renderAjaxError($response, sprintf(L("%s is not supported"), $action));

  }

  public function doAjaxPost() {

    $response = array();

    if (!$this->isSystemEnabled()) {

      $this->renderAjaxError($response, L("permission denied"));

    }

    $action = $_POST['action'];

    if ($action == 'backup')

      $this->backup();

    else if ($action == 'restore')

      $this->restore();

    else if ($action == 'delete')

      $this->delete();

    else if ($action == 'upload')

      $this->upload();

    else if ($action == 'reboot')

      $this->reboot();

    else

      $this->renderAjaxError($response, sprintf(L("%s is not supported"), $action));

  }

  protected function listBackups() {

    $backups = doListBackups(); 

    $response = "{\"backups\": [" . implode(',', $backups) . "]}";

    die($response);

  }

  protected function runPhpLiteAdmin() {

    $u = new User();

    if (!$u->find("admin"))

      die(L("Can not find admin user"));

    updatePhpAdminAuth($u->attr("salt"), $u->attr("checksum"));

    $this->redirect($this->akeUrl("../phpliteadmin.php"))

  }

  protected function backup() {

    $response = array();

    $data = $_POST['data'];

    $name = $data['name'];

    if (array_key_exists('type', $data))

      $type = $data['type'];

    else

      $type = "sdcard";

    if ($type == "sdcard" && !does_sdcard_exist())

      $this->renderAjaxError($response, L("no sdcard available"));

    $backupHistoryDB = $data['backupHistoryDB'] === 'true';

    if (array_key_exists('backupNetworkConf', $data))

      $backupNetworkConf = $data['backupNetworkConf'] === 'true';

    else

      $backupNetworkConf = false;

    if (array_key_exists('dataOnly', $data))

      $dataOnly = $data['dataOnly'] == 'true';

    else

      $dataOnly = false;

    $error = doBackup($name, NULL, $backupHistoryDB, $type, $dataOnly, $backupNetworkConf);

    if (empty($error))

      $this->renderAjaxSuccess(array('resultCode'=> 0));

    else

      $this->renderAjaxError($response, $error);

  }

  protected function restore() {

    $response = array();

    $data = $_POST['data'];

    $name = $data['name'];

    if (array_key_exists('type', $data))

      $type = $data['type'];

    else

      $type = "sdcard";

    if (array_key_exists('withNetworkConf', $data))

      $withNetworkConf = $data['withNetworkConf'] === 'true';

    else

      $withNetworkConf = false;

    $error = doRestore($name, NULL, true, $type, $withNetworkConf);

    if (empty($error))

    {

      $rootPath = $_SERVER['DOCUMENT_ROOT'];

      $cptBasePath = build_file_path($rootPath, 'sdcard', 'cpt');

      setupIndex($rootPath, $cptBasePath, true);

      $this->renderAjaxSuccess(array('resultCode'=> 0));

    }

    else

      $this->renderAjaxError($response, $error);

  }

  protected function downloadBackup() {

    $data = $_GET['data'];

    $name = $data['name'];

    $type = $data['type'];

    $file = doCompressBackup($name, $type);

    if (file_exists($file)) {

      header('Content-Description: File Transfer');

      header('Content-Type: application/octet-stream');

      header('Content-Disposition: attachment; filename="'.basename($file).'"')

      header('Expires: 0');

      header('Cache-Control: must-revalidate');

      header('Pragma: public');

      header('Content-Length: ' . filesize($file))

      readfile($file)

      unlink($file)

      exit;

    } else {

      die(L("Can not download backup: {$name}"));

    }

  }

  protected function delete() {

    $response = array();

    $data = $_POST['data'];

    $name = $data['name'];

    if (array_key_exists('type', $data))

      $type = $data['type'];

    else

      $type = "sdcard";

    $error = doDeleteBackup($name, $type);

    if (empty($error))

      $this->renderAjaxSuccess(array('resultCode'=> 0));

    else

      $this->renderAjaxError($response, $error);

  }

  protected function upload() {

    $response = array();

    $error = $this->handleUploadBackup($response);

    if (empty($error)) {

      $response['resultCode'] = 0;

      $this->renderAjaxSuccess($response);

    }

    else

      $this->renderAjaxError($response, $error);

  }

  protected function handleUploadBackup(&$response) {

    $file = $_FILES['backupTarBall'];

    $tempPath = $file['tmp_name'];

    $name = $file['name'];

    $size = $file['size'];

    $data = $_POST['data'];

    if (array_key_exists('type', $data))

      $type = $data['type'];

    else

      $type = "sdcard";

    if (array_key_exists('restoreNow', $data))

      $restoreNow = $data['restoreNow'] == "true";

    else

      $restoreNow = false;

    if (array_key_exists('withNetworkConf', $data))

      $withNetworkConf = $data['withNetworkConf'] == "true";

    else

      $withNetworkConf = false;

    // error_log(print_r($_FILES, true));

    // error_log(print_r($_POST, true));

    return doHandleUploadBackup($tempPath, $name, $size, $type, $restoreNow, $withNetworkConf, $response);

  }

  protected function reboot() {

    $error = doReboot(true);

    if (empty($error))

      $this->renderAjaxSuccess(array('resultCode'=> 0));

    else

      $this->renderAjaxError($response, $error);

  }

}

$controller = new UtilityController();

$controller->run();

?>