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Mini Shell
/*
* [hi-base64]{@link https://github.com/emn178/hi-base64}
*
* @version 0.2.1
* @author Chen, Yi-Cyuan [emn178@gmail.com]
* @copyright Chen, Yi-Cyuan 2014-2017
* @license MIT
*/
/*jslint bitwise: true */
/*Modified by Pagelayer*/
(function () {
'use strict';
var root = typeof window === 'object' ? window : {};
var NODE_JS = false;
if (NODE_JS) {
root = global;
}
var COMMON_JS = !root.HI_BASE64_NO_COMMON_JS && typeof module === 'object' && module.exports;
var AMD = typeof define === 'function' && define.amd;
var BASE64_ENCODE_CHAR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
var BASE64_DECODE_CHAR = {
'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4, 'F': 5, 'G': 6, 'H': 7, 'I': 8,
'J': 9, 'K': 10, 'L': 11, 'M': 12, 'N': 13, 'O': 14, 'P': 15, 'Q': 16,
'R': 17, 'S': 18, 'T': 19, 'U': 20, 'V': 21, 'W': 22, 'X': 23, 'Y': 24,
'Z': 25, 'a': 26, 'b': 27, 'c': 28, 'd': 29, 'e': 30, 'f': 31, 'g': 32,
'h': 33, 'i': 34, 'j': 35, 'k': 36, 'l': 37, 'm': 38, 'n': 39, 'o': 40,
'p': 41, 'q': 42, 'r': 43, 's': 44, 't': 45, 'u': 46, 'v': 47, 'w': 48,
'x': 49, 'y': 50, 'z': 51, '0': 52, '1': 53, '2': 54, '3': 55, '4': 56,
'5': 57, '6': 58, '7': 59, '8': 60, '9': 61, '+': 62, '/': 63, '-': 62,
'_': 63
};
var utf8ToBytes = function (str) {
var bytes = [];
for (var i = 0; i < str.length; i++) {
var c = str.charCodeAt(i);
if (c < 0x80) {
bytes[bytes.length] = c;
} else if (c < 0x800) {
bytes[bytes.length] = 0xc0 | (c >> 6);
bytes[bytes.length] = 0x80 | (c & 0x3f);
} else if (c < 0xd800 || c >= 0xe000) {
bytes[bytes.length] = 0xe0 | (c >> 12);
bytes[bytes.length] = 0x80 | ((c >> 6) & 0x3f);
bytes[bytes.length] = 0x80 | (c & 0x3f);
} else {
c = 0x10000 + (((c & 0x3ff) << 10) | (str.charCodeAt(++i) & 0x3ff));
bytes[bytes.length] = 0xf0 | (c >> 18);
bytes[bytes.length] = 0x80 | ((c >> 12) & 0x3f);
bytes[bytes.length] = 0x80 | ((c >> 6) & 0x3f);
bytes[bytes.length] = 0x80 | (c & 0x3f);
}
}
return bytes;
};
var decodeAsBytes = function (base64Str) {
var v1, v2, v3, v4, bytes = [], index = 0, length = base64Str.length;
if (base64Str.charAt(length - 2) === '=') {
length -= 2;
} else if (base64Str.charAt(length - 1) === '=') {
length -= 1;
}
// 4 char to 3 bytes
for (var i = 0, count = length >> 2 << 2; i < count;) {
v1 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v2 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v3 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v4 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
bytes[index++] = (v1 << 2 | v2 >>> 4) & 255;
bytes[index++] = (v2 << 4 | v3 >>> 2) & 255;
bytes[index++] = (v3 << 6 | v4) & 255;
}
// remain bytes
var remain = length - count;
if (remain === 2) {
v1 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v2 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
bytes[index++] = (v1 << 2 | v2 >>> 4) & 255;
} else if (remain === 3) {
v1 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v2 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v3 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
bytes[index++] = (v1 << 2 | v2 >>> 4) & 255;
bytes[index++] = (v2 << 4 | v3 >>> 2) & 255;
}
return bytes;
};
var encodeFromBytes = function (bytes) {
var v1, v2, v3, base64Str = '', length = bytes.length;
for (var i = 0, count = parseInt(length / 3) * 3; i < count;) {
v1 = bytes[i++];
v2 = bytes[i++];
v3 = bytes[i++];
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
BASE64_ENCODE_CHAR[(v2 << 2 | v3 >>> 6) & 63] +
BASE64_ENCODE_CHAR[v3 & 63];
}
// remain char
var remain = length - count;
if (remain === 1) {
v1 = bytes[i];
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4) & 63] +
'==';
} else if (remain === 2) {
v1 = bytes[i++];
v2 = bytes[i];
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
BASE64_ENCODE_CHAR[(v2 << 2) & 63] +
'=';
}
return base64Str;
};
var btoa = root.btoa, atob = root.atob, utf8Base64Encode, utf8Base64Decode;
if (NODE_JS) {
} else if (!btoa) {
btoa = function (str) {
var v1, v2, v3, base64Str = '', length = str.length;
for (var i = 0, count = parseInt(length / 3) * 3; i < count;) {
v1 = str.charCodeAt(i++);
v2 = str.charCodeAt(i++);
v3 = str.charCodeAt(i++);
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
BASE64_ENCODE_CHAR[(v2 << 2 | v3 >>> 6) & 63] +
BASE64_ENCODE_CHAR[v3 & 63];
}
// remain char
var remain = length - count;
if (remain === 1) {
v1 = str.charCodeAt(i);
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4) & 63] +
'==';
} else if (remain === 2) {
v1 = str.charCodeAt(i++);
v2 = str.charCodeAt(i);
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
BASE64_ENCODE_CHAR[(v2 << 2) & 63] +
'=';
}
return base64Str;
};
utf8Base64Encode = function (str) {
var v1, v2, v3, base64Str = '', bytes = utf8ToBytes(str), length = bytes.length;
for (var i = 0, count = parseInt(length / 3) * 3; i < count;) {
v1 = bytes[i++];
v2 = bytes[i++];
v3 = bytes[i++];
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
BASE64_ENCODE_CHAR[(v2 << 2 | v3 >>> 6) & 63] +
BASE64_ENCODE_CHAR[v3 & 63];
}
// remain char
var remain = length - count;
if (remain === 1) {
v1 = bytes[i];
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4) & 63] +
'==';
} else if (remain === 2) {
v1 = bytes[i++];
v2 = bytes[i];
base64Str += BASE64_ENCODE_CHAR[v1 >>> 2] +
BASE64_ENCODE_CHAR[(v1 << 4 | v2 >>> 4) & 63] +
BASE64_ENCODE_CHAR[(v2 << 2) & 63] +
'=';
}
return base64Str;
};
atob = function (base64Str) {
var v1, v2, v3, v4, str = '', length = base64Str.length;
if (base64Str.charAt(length - 2) === '=') {
length -= 2;
} else if (base64Str.charAt(length - 1) === '=') {
length -= 1;
}
// 4 char to 3 bytes
for (var i = 0, count = length >> 2 << 2; i < count;) {
v1 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v2 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v3 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v4 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
str += String.fromCharCode((v1 << 2 | v2 >>> 4) & 255) +
String.fromCharCode((v2 << 4 | v3 >>> 2) & 255) +
String.fromCharCode((v3 << 6 | v4) & 255);
}
// remain bytes
var remain = length - count;
if (remain === 2) {
v1 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v2 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
str += String.fromCharCode((v1 << 2 | v2 >>> 4) & 255);
} else if (remain === 3) {
v1 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v2 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
v3 = BASE64_DECODE_CHAR[base64Str.charAt(i++)];
str += String.fromCharCode((v1 << 2 | v2 >>> 4) & 255) +
String.fromCharCode((v2 << 4 | v3 >>> 2) & 255);
}
return str;
};
utf8Base64Decode = function (base64Str) {
var str = '', bytes = decodeAsBytes(base64Str), length = bytes.length;
var i = 0, followingChars = 0, b, c;
while (i < length) {
b = bytes[i++];
if (b <= 0x7F) {
str += String.fromCharCode(b);
continue;
} else if (b > 0xBF && b <= 0xDF) {
c = b & 0x1F;
followingChars = 1;
} else if (b <= 0xEF) {
c = b & 0x0F;
followingChars = 2;
} else if (b <= 0xF7) {
c = b & 0x07;
followingChars = 3;
} else {
throw 'not a UTF-8 string';
}
for (var j = 0; j < followingChars; ++j) {
b = bytes[i++];
if (b < 0x80 || b > 0xBF) {
throw 'not a UTF-8 string';
}
c <<= 6;
c += b & 0x3F;
}
if (c >= 0xD800 && c <= 0xDFFF) {
throw 'not a UTF-8 string';
}
if (c > 0x10FFFF) {
throw 'not a UTF-8 string';
}
if (c <= 0xFFFF) {
str += String.fromCharCode(c);
} else {
c -= 0x10000;
str += String.fromCharCode((c >> 10) + 0xD800);
str += String.fromCharCode((c & 0x3FF) + 0xDC00);
}
}
return str;
};
} else {
utf8Base64Encode = function (str) {
var result = '';
for (var i = 0; i < str.length; i++) {
var charcode = str.charCodeAt(i);
if (charcode < 0x80) {
result += String.fromCharCode(charcode);
} else if (charcode < 0x800) {
result += String.fromCharCode(0xc0 | (charcode >> 6)) +
String.fromCharCode(0x80 | (charcode & 0x3f));
} else if (charcode < 0xd800 || charcode >= 0xe000) {
result += String.fromCharCode(0xe0 | (charcode >> 12)) +
String.fromCharCode(0x80 | ((charcode >> 6) & 0x3f)) +
String.fromCharCode(0x80 | (charcode & 0x3f));
} else {
charcode = 0x10000 + (((charcode & 0x3ff) << 10) | (str.charCodeAt(++i) & 0x3ff));
result += String.fromCharCode(0xf0 | (charcode >> 18)) +
String.fromCharCode(0x80 | ((charcode >> 12) & 0x3f)) +
String.fromCharCode(0x80 | ((charcode >> 6) & 0x3f)) +
String.fromCharCode(0x80 | (charcode & 0x3f));
}
}
return btoa(result);
};
utf8Base64Decode = function (base64Str) {
var tmpStr = atob(base64Str.trim('=').replace(/-/g, '+').replace(/_/g, '/'));
if (!/[^\x00-\x7F]/.test(tmpStr)) {
return tmpStr;
}
var str = '', i = 0, length = tmpStr.length, followingChars = 0, b, c;
while (i < length) {
b = tmpStr.charCodeAt(i++);
if (b <= 0x7F) {
str += String.fromCharCode(b);
continue;
} else if (b > 0xBF && b <= 0xDF) {
c = b & 0x1F;
followingChars = 1;
} else if (b <= 0xEF) {
c = b & 0x0F;
followingChars = 2;
} else if (b <= 0xF7) {
c = b & 0x07;
followingChars = 3;
} else {
throw 'not a UTF-8 string';
}
for (var j = 0; j < followingChars; ++j) {
b = tmpStr.charCodeAt(i++);
if (b < 0x80 || b > 0xBF) {
throw 'not a UTF-8 string';
}
c <<= 6;
c += b & 0x3F;
}
if (c >= 0xD800 && c <= 0xDFFF) {
throw 'not a UTF-8 string';
}
if (c > 0x10FFFF) {
throw 'not a UTF-8 string';
}
if (c <= 0xFFFF) {
str += String.fromCharCode(c);
} else {
c -= 0x10000;
str += String.fromCharCode((c >> 10) + 0xD800);
str += String.fromCharCode((c & 0x3FF) + 0xDC00);
}
}
return str;
};
}
var encode = function (str, asciiOnly) {
var notString = typeof(str) != 'string';
if (notString && str.constructor === root.ArrayBuffer) {
str = new Uint8Array(str);
}
if (notString) {
return encodeFromBytes(str);
} else {
if (!asciiOnly && /[^\x00-\x7F]/.test(str)) {
return utf8Base64Encode(str);
} else {
return btoa(str);
}
}
};
var decode = function (base64Str, asciiOnly) {
return asciiOnly ? atob(base64Str) : utf8Base64Decode(base64Str);
};
var exports = {
encode: encode,
decode: decode,
atob: atob,
btoa: btoa
};
decode.bytes = decodeAsBytes;
decode.string = decode;
root.pagelayer_Base64 = exports;
})();
Zerion Mini Shell 1.0