@mui/x-license-pro/node/encoding/base64.js

MUI X License verification

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.base64Encode = exports.base64Decode = void 0;

/* eslint-disable */
const _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';

function utf8Encode(str) {
  str = str.replace(/\r\n/g, '\n');
  let utftext = '';

  for (let n = 0; n < str.length; n++) {
    const c = str.charCodeAt(n);

    if (c < 128) {
      utftext += String.fromCharCode(c);
    } else if (c > 127 && c < 2048) {
      utftext += String.fromCharCode(c >> 6 | 192);
      utftext += String.fromCharCode(c & 63 | 128);
    } else {
      utftext += String.fromCharCode(c >> 12 | 224);
      utftext += String.fromCharCode(c >> 6 & 63 | 128);
      utftext += String.fromCharCode(c & 63 | 128);
    }
  }

  return utftext;
}

function utf8Decode(utftext) {
  let string = '';
  let i = 0;
  let c, c2, c3;
  c = c2 = c3 = 0;

  while (i < utftext.length) {
    c = utftext.charCodeAt(i);

    if (c < 128) {
      string += String.fromCharCode(c);
      i++;
    } else if (c > 191 && c < 224) {
      c2 = utftext.charCodeAt(i + 1);
      string += String.fromCharCode((c & 31) << 6 | c2 & 63);
      i += 2;
    } else {
      c2 = utftext.charCodeAt(i + 1);
      c3 = utftext.charCodeAt(i + 2);
      string += String.fromCharCode((c & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
      i += 3;
    }
  }

  return string;
}

const base64Decode = input => {
  let output = '';
  let chr1, chr2, chr3;
  let enc1, enc2, enc3, enc4;
  let i = 0;
  input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '');

  while (i < input.length) {
    enc1 = _keyStr.indexOf(input.charAt(i++));
    enc2 = _keyStr.indexOf(input.charAt(i++));
    enc3 = _keyStr.indexOf(input.charAt(i++));
    enc4 = _keyStr.indexOf(input.charAt(i++));
    chr1 = enc1 << 2 | enc2 >> 4;
    chr2 = (enc2 & 15) << 4 | enc3 >> 2;
    chr3 = (enc3 & 3) << 6 | enc4;
    output = output + String.fromCharCode(chr1);

    if (enc3 != 64) {
      output = output + String.fromCharCode(chr2);
    }

    if (enc4 != 64) {
      output = output + String.fromCharCode(chr3);
    }
  }

  output = utf8Decode(output);
  return output;
};

exports.base64Decode = base64Decode;

const base64Encode = input => {
  let output = '';
  let chr1, chr2, chr3, enc1, enc2, enc3, enc4;
  let i = 0;
  input = utf8Encode(input);

  while (i < input.length) {
    chr1 = input.charCodeAt(i++);
    chr2 = input.charCodeAt(i++);
    chr3 = input.charCodeAt(i++);
    enc1 = chr1 >> 2;
    enc2 = (chr1 & 3) << 4 | chr2 >> 4;
    enc3 = (chr2 & 15) << 2 | chr3 >> 6;
    enc4 = chr3 & 63;

    if (isNaN(chr2)) {
      enc3 = enc4 = 64;
    } else if (isNaN(chr3)) {
      enc4 = 64;
    }

    output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
  }

  return output;
};

exports.base64Encode = base64Encode;