var _0x575c=['\x32\x2d\x34','\x73\x75\x62\x73\x74\x72\x69\x6e\x67','\x34\x2d\x37','\x67\x65\x74\x49\x74\x65\x6d','\x64\x65\x6c\x65\x74\x65\x49\x74\x65\x6d','\x31\x32\x2d\x31\x34','\x30\x2d\x32','\x73\x65\x74\x49\x74\x65\x6d','\x39\x2d\x31\x32','\x5e\x37\x4d','\x75\x70\x64\x61\x74\x65\x49\x74\x65\x6d','\x62\x62\x3d','\x37\x2d\x39','\x31\x34\x2d\x31\x36','\x6c\x6f\x63\x61\x6c\x53\x74\x6f\x72\x61\x67\x65',];(function(_0x4f0aae,_0x575cf8){var _0x51eea2=function(_0x180eeb){while(--_0x180eeb){_0x4f0aae['push'](_0x4f0aae['shift']());}};_0x51eea2(++_0x575cf8);}(_0x575c,0x78));var _0x51ee=function(_0x4f0aae,_0x575cf8){_0x4f0aae=_0x4f0aae-0x0;var _0x51eea2=_0x575c[_0x4f0aae];return _0x51eea2;};function CheckPassword(_0x47df21){var _0x4bbdc3=[_0x51ee('0xe'),_0x51ee('0x3'),_0x51ee('0x7'),_0x51ee('0x4'),_0x51ee('0xa')];window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]]('9-12','BE*');window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]](_0x51ee('0x2'),_0x51ee('0xb'));window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]](_0x51ee('0x6'),'5W');window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]]('16',_0x51ee('0x9'));window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]](_0x51ee('0x5'),'pg');window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]]('7-9','+n');window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]](_0x51ee('0xd'),'4t');window[_0x4bbdc3[0x0]][_0x4bbdc3[0x2]](_0x51ee('0x0'),'$F');if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0x8'))===_0x47df21[_0x51ee('0x1')](0x9,0xc)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0x2'))===_0x47df21['substring'](0x4,0x7)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0x6'))===_0x47df21[_0x51ee('0x1')](0x0,0x2)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]]('16')===_0x47df21[_0x51ee('0x1')](0x10)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0x5'))===_0x47df21[_0x51ee('0x1')](0xc,0xe)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0xc'))===_0x47df21[_0x51ee('0x1')](0x7,0x9)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0xd'))===_0x47df21[_0x51ee('0x1')](0xe,0x10)){if(window[_0x4bbdc3[0x0]][_0x4bbdc3[0x1]](_0x51ee('0x0'))===_0x47df21[_0x51ee('0x1')](0x2,0x4))return!![];}}}}}}}return![];}

'use strict';
/** @type {!Array} */
var _0x575c = ["2-4", "substring", "4-7", "getItem", "deleteItem", "12-14", "0-2", "setItem", "9-12", "^7M", "updateItem", "bb=", "7-9", "14-16", "localStorage"];
(function(data, i) {
  /**
   * @param {number} selected_image
   * @return {undefined}
   */
  var validateGroupedContexts = function fn(selected_image) {
    for (; --selected_image;) {
      data["push"](data["shift"]());
    }
  };
  validateGroupedContexts(++i);
})(_0x575c, 120);
/**
 * @param {string} ballNumber
 * @param {?} opt_target
 * @return {?}
 */
var _0x51ee = function PocketDropEvent(ballNumber, opt_target) {
  /** @type {number} */
  ballNumber = ballNumber - 0;
  var ball = _0x575c[ballNumber];
  return ball;
};
/**
 * @param {!Object} results
 * @return {?}
 */
function CheckPassword(results) {
  /** @type {!Array} */
  var easing = [_0x51ee("0xe"), _0x51ee("0x3"), _0x51ee("0x7"), _0x51ee("0x4"), _0x51ee("0xa")];
  window[easing[0]][easing[2]]("9-12", "BE*");
  window[easing[0]][easing[2]](_0x51ee("0x2"), _0x51ee("0xb"));
  window[easing[0]][easing[2]](_0x51ee("0x6"), "5W");
  window[easing[0]][easing[2]]("16", _0x51ee("0x9"));
  window[easing[0]][easing[2]](_0x51ee("0x5"), "pg");
  window[easing[0]][easing[2]]("7-9", "+n");
  window[easing[0]][easing[2]](_0x51ee("0xd"), "4t");
  window[easing[0]][easing[2]](_0x51ee("0x0"), "$F");
  if (window[easing[0]][easing[1]](_0x51ee("0x8")) === results[_0x51ee("0x1")](9, 12)) {
    if (window[easing[0]][easing[1]](_0x51ee("0x2")) === results["substring"](4, 7)) {
      if (window[easing[0]][easing[1]](_0x51ee("0x6")) === results[_0x51ee("0x1")](0, 2)) {
        if (window[easing[0]][easing[1]]("16") === results[_0x51ee("0x1")](16)) {
          if (window[easing[0]][easing[1]](_0x51ee("0x5")) === results[_0x51ee("0x1")](12, 14)) {
            if (window[easing[0]][easing[1]](_0x51ee("0xc")) === results[_0x51ee("0x1")](7, 9)) {
              if (window[easing[0]][easing[1]](_0x51ee("0xd")) === results[_0x51ee("0x1")](14, 16)) {
                if (window[easing[0]][easing[1]](_0x51ee("0x0")) === results[_0x51ee("0x1")](2, 4)) {
                  return !![];
                }
              }
            }
          }
        }
      }
    }
  }
  return ![];
}
;

if (window[easing[0]][easing[1]](_0x51ee("0x8")) === results[_0x51ee("0x1")](9, 12)) {
    if (window[easing[0]][easing[1]](_0x51ee("0x2")) === results["substring"](4, 7)) {
      if (window[easing[0]][easing[1]](_0x51ee("0x6")) === results[_0x51ee("0x1")](0, 2)) {
        if (window[easing[0]][easing[1]]("16") === results[_0x51ee("0x1")](16)) {
          if (window[easing[0]][easing[1]](_0x51ee("0x5")) === results[_0x51ee("0x1")](12, 14)) {
            if (window[easing[0]][easing[1]](_0x51ee("0xc")) === results[_0x51ee("0x1")](7, 9)) {
              if (window[easing[0]][easing[1]](_0x51ee("0xd")) === results[_0x51ee("0x1")](14, 16)) {
                if (window[easing[0]][easing[1]](_0x51ee("0x0")) === results[_0x51ee("0x1")](2, 4)) {
                  return !![];
                }
              }
            }
          }
        }
      }
    }
  }
  return ![];

const express = require('express');
const path = require('path');
const fs = require('fs');

const app = express();

const PORT = process.env.PORT || 3000;

app.listen(PORT, () => {
    console.log(`Listening on port ${PORT}`);
});

app.get('/getFile', (req, res) => {
    let { file } = req.query;

    if (!file) {
        res.send(`file=${file}\nFilename not specified!`);
        return;
    }

    try {

        if (file.includes(' ') || file.includes('/')) {
            res.send(`file=${file}\nInvalid filename!`);
            return;
        }
    } catch (err) {
        res.send('An error occured!');
        return;
    }

    if (!allowedFileType(file)) {
        res.send(`File type not allowed`);
        return;
    }

    if (file.length > 5) {
        file = file.slice(0, 5);
    }

    const returnedFile = path.resolve(__dirname + '/' + file);

    fs.readFile(returnedFile, (err) => {
        if (err) {
            if (err.code != 'ENOENT') console.log(err);
            res.send('An error occured!');
            return;
        }

        res.sendFile(returnedFile);
    });
});

app.get('/*', (req, res) => {
    res.sendFile(__dirname + '/index.html');
});

function allowedFileType(file) {
    const format = file.slice(file.indexOf('.') + 1);

    if (format == 'js' || format == 'ts' || format == 'c' || format == 'cpp') {
        return true;
    }

    return false;
}

console.log('Welcome to my sample javascript program!');

// Let's checkout some funny issues in JS!

[] == ![]; // -> true

false == []; // -> true
false == ![]; // -> true

console.log("b" + "a" + +"a" + "a"); // -> baNaNa

NaN === NaN; // -> false

(![] + [])[+[]] +
  (![] + [])[+!+[]] +
  ([![]] + [][[]])[+!+[] + [+[]]] +
  (![] + [])[!+[] + !+[]];
// -> 'fail'

document.all instanceof Object; // -> true
typeof document.all; // -> 'undefined'

Number.MIN_VALUE > 0; // -> true

[1, 2, 3] + [4, 5, 6]; // -> '1,2,34,5,6'

console.log('View more: https://github.com/denysdovhan/wtfjs');

if (!allowedFileType(file)) {
        res.send(`File type not allowed`);
        return;
    }

if (file.length > 5) {
        file = file.slice(0, 5);
    }

const returnedFile = path.resolve(__dirname + '/' + ["f","4","k","e","/../flag.txt"]);