You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
317 lines
13 KiB
317 lines
13 KiB
1 year ago
|
//
|
||
|
|
// THIS FILE IS AUTOMATICALLY GENERATED! DO NOT EDIT BY HAND!
|
||
|
|
//
|
||
|
|
;
|
||
|
|
(function (global, factory) {
|
||
|
|
typeof exports === 'object' && typeof module !== 'undefined'
|
||
|
|
? module.exports = factory()
|
||
|
|
: typeof define === 'function' && define.amd
|
||
|
|
? define(factory) :
|
||
|
|
// cf. https://github.com/dankogai/js-base64/issues/119
|
||
|
|
(function () {
|
||
|
|
// existing version for noConflict()
|
||
|
|
var _Base64 = global.Base64;
|
||
|
|
var gBase64 = factory();
|
||
|
|
gBase64.noConflict = function () {
|
||
|
|
global.Base64 = _Base64;
|
||
|
|
return gBase64;
|
||
|
|
};
|
||
|
|
if (global.Meteor) { // Meteor.js
|
||
|
|
Base64 = gBase64;
|
||
|
|
}
|
||
|
|
global.Base64 = gBase64;
|
||
|
|
})();
|
||
|
|
}((typeof self !== 'undefined' ? self
|
||
|
|
: typeof window !== 'undefined' ? window
|
||
|
|
: typeof global !== 'undefined' ? global
|
||
|
|
: this), function () {
|
||
|
|
'use strict';
|
||
|
|
/**
|
||
|
|
* base64.ts
|
||
|
|
*
|
||
|
|
* Licensed under the BSD 3-Clause License.
|
||
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
||
|
|
*
|
||
|
|
* References:
|
||
|
|
* http://en.wikipedia.org/wiki/Base64
|
||
|
|
*
|
||
|
|
* @author Dan Kogai (https://github.com/dankogai)
|
||
|
|
*/
|
||
|
|
var version = '3.7.5';
|
||
|
|
/**
|
||
|
|
* @deprecated use lowercase `version`.
|
||
|
|
*/
|
||
|
|
var VERSION = version;
|
||
|
|
var _hasatob = typeof atob === 'function';
|
||
|
|
var _hasbtoa = typeof btoa === 'function';
|
||
|
|
var _hasBuffer = typeof Buffer === 'function';
|
||
|
|
var _TD = typeof TextDecoder === 'function' ? new TextDecoder() : undefined;
|
||
|
|
var _TE = typeof TextEncoder === 'function' ? new TextEncoder() : undefined;
|
||
|
|
var b64ch = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
|
||
|
|
var b64chs = Array.prototype.slice.call(b64ch);
|
||
|
|
var b64tab = (function (a) {
|
||
|
|
var tab = {};
|
||
|
|
a.forEach(function (c, i) { return tab[c] = i; });
|
||
|
|
return tab;
|
||
|
|
})(b64chs);
|
||
|
|
var b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
|
||
|
|
var _fromCC = String.fromCharCode.bind(String);
|
||
|
|
var _U8Afrom = typeof Uint8Array.from === 'function'
|
||
|
|
? Uint8Array.from.bind(Uint8Array)
|
||
|
|
: function (it) { return new Uint8Array(Array.prototype.slice.call(it, 0)); };
|
||
|
|
var _mkUriSafe = function (src) { return src
|
||
|
|
.replace(/=/g, '').replace(/[+\/]/g, function (m0) { return m0 == '+' ? '-' : '_'; }); };
|
||
|
|
var _tidyB64 = function (s) { return s.replace(/[^A-Za-z0-9\+\/]/g, ''); };
|
||
|
|
/**
|
||
|
|
* polyfill version of `btoa`
|
||
|
|
*/
|
||
|
|
var btoaPolyfill = function (bin) {
|
||
|
|
// console.log('polyfilled');
|
||
|
|
var u32, c0, c1, c2, asc = '';
|
||
|
|
var pad = bin.length % 3;
|
||
|
|
for (var i = 0; i < bin.length;) {
|
||
|
|
if ((c0 = bin.charCodeAt(i++)) > 255 ||
|
||
|
|
(c1 = bin.charCodeAt(i++)) > 255 ||
|
||
|
|
(c2 = bin.charCodeAt(i++)) > 255)
|
||
|
|
throw new TypeError('invalid character found');
|
||
|
|
u32 = (c0 << 16) | (c1 << 8) | c2;
|
||
|
|
asc += b64chs[u32 >> 18 & 63]
|
||
|
|
+ b64chs[u32 >> 12 & 63]
|
||
|
|
+ b64chs[u32 >> 6 & 63]
|
||
|
|
+ b64chs[u32 & 63];
|
||
|
|
}
|
||
|
|
return pad ? asc.slice(0, pad - 3) + "===".substring(pad) : asc;
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* does what `window.btoa` of web browsers do.
|
||
|
|
* @param {String} bin binary string
|
||
|
|
* @returns {string} Base64-encoded string
|
||
|
|
*/
|
||
|
|
var _btoa = _hasbtoa ? function (bin) { return btoa(bin); }
|
||
|
|
: _hasBuffer ? function (bin) { return Buffer.from(bin, 'binary').toString('base64'); }
|
||
|
|
: btoaPolyfill;
|
||
|
|
var _fromUint8Array = _hasBuffer
|
||
|
|
? function (u8a) { return Buffer.from(u8a).toString('base64'); }
|
||
|
|
: function (u8a) {
|
||
|
|
// cf. https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string/12713326#12713326
|
||
|
|
var maxargs = 0x1000;
|
||
|
|
var strs = [];
|
||
|
|
for (var i = 0, l = u8a.length; i < l; i += maxargs) {
|
||
|
|
strs.push(_fromCC.apply(null, u8a.subarray(i, i + maxargs)));
|
||
|
|
}
|
||
|
|
return _btoa(strs.join(''));
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* converts a Uint8Array to a Base64 string.
|
||
|
|
* @param {boolean} [urlsafe] URL-and-filename-safe a la RFC4648 §5
|
||
|
|
* @returns {string} Base64 string
|
||
|
|
*/
|
||
|
|
var fromUint8Array = function (u8a, urlsafe) {
|
||
|
|
if (urlsafe === void 0) { urlsafe = false; }
|
||
|
|
return urlsafe ? _mkUriSafe(_fromUint8Array(u8a)) : _fromUint8Array(u8a);
|
||
|
|
};
|
||
|
|
// This trick is found broken https://github.com/dankogai/js-base64/issues/130
|
||
|
|
// const utob = (src: string) => unescape(encodeURIComponent(src));
|
||
|
|
// reverting good old fationed regexp
|
||
|
|
var cb_utob = function (c) {
|
||
|
|
if (c.length < 2) {
|
||
|
|
var cc = c.charCodeAt(0);
|
||
|
|
return cc < 0x80 ? c
|
||
|
|
: cc < 0x800 ? (_fromCC(0xc0 | (cc >>> 6))
|
||
|
|
+ _fromCC(0x80 | (cc & 0x3f)))
|
||
|
|
: (_fromCC(0xe0 | ((cc >>> 12) & 0x0f))
|
||
|
|
+ _fromCC(0x80 | ((cc >>> 6) & 0x3f))
|
||
|
|
+ _fromCC(0x80 | (cc & 0x3f)));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
var cc = 0x10000
|
||
|
|
+ (c.charCodeAt(0) - 0xD800) * 0x400
|
||
|
|
+ (c.charCodeAt(1) - 0xDC00);
|
||
|
|
return (_fromCC(0xf0 | ((cc >>> 18) & 0x07))
|
||
|
|
+ _fromCC(0x80 | ((cc >>> 12) & 0x3f))
|
||
|
|
+ _fromCC(0x80 | ((cc >>> 6) & 0x3f))
|
||
|
|
+ _fromCC(0x80 | (cc & 0x3f)));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
|
||
|
|
/**
|
||
|
|
* @deprecated should have been internal use only.
|
||
|
|
* @param {string} src UTF-8 string
|
||
|
|
* @returns {string} UTF-16 string
|
||
|
|
*/
|
||
|
|
var utob = function (u) { return u.replace(re_utob, cb_utob); };
|
||
|
|
//
|
||
|
|
var _encode = _hasBuffer
|
||
|
|
? function (s) { return Buffer.from(s, 'utf8').toString('base64'); }
|
||
|
|
: _TE
|
||
|
|
? function (s) { return _fromUint8Array(_TE.encode(s)); }
|
||
|
|
: function (s) { return _btoa(utob(s)); };
|
||
|
|
/**
|
||
|
|
* converts a UTF-8-encoded string to a Base64 string.
|
||
|
|
* @param {boolean} [urlsafe] if `true` make the result URL-safe
|
||
|
|
* @returns {string} Base64 string
|
||
|
|
*/
|
||
|
|
var encode = function (src, urlsafe) {
|
||
|
|
if (urlsafe === void 0) { urlsafe = false; }
|
||
|
|
return urlsafe
|
||
|
|
? _mkUriSafe(_encode(src))
|
||
|
|
: _encode(src);
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* converts a UTF-8-encoded string to URL-safe Base64 RFC4648 §5.
|
||
|
|
* @returns {string} Base64 string
|
||
|
|
*/
|
||
|
|
var encodeURI = function (src) { return encode(src, true); };
|
||
|
|
// This trick is found broken https://github.com/dankogai/js-base64/issues/130
|
||
|
|
// const btou = (src: string) => decodeURIComponent(escape(src));
|
||
|
|
// reverting good old fationed regexp
|
||
|
|
var re_btou = /[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g;
|
||
|
|
var cb_btou = function (cccc) {
|
||
|
|
switch (cccc.length) {
|
||
|
|
case 4:
|
||
|
|
var cp = ((0x07 & cccc.charCodeAt(0)) << 18)
|
||
|
|
| ((0x3f & cccc.charCodeAt(1)) << 12)
|
||
|
|
| ((0x3f & cccc.charCodeAt(2)) << 6)
|
||
|
|
| (0x3f & cccc.charCodeAt(3)), offset = cp - 0x10000;
|
||
|
|
return (_fromCC((offset >>> 10) + 0xD800)
|
||
|
|
+ _fromCC((offset & 0x3FF) + 0xDC00));
|
||
|
|
case 3:
|
||
|
|
return _fromCC(((0x0f & cccc.charCodeAt(0)) << 12)
|
||
|
|
| ((0x3f & cccc.charCodeAt(1)) << 6)
|
||
|
|
| (0x3f & cccc.charCodeAt(2)));
|
||
|
|
default:
|
||
|
|
return _fromCC(((0x1f & cccc.charCodeAt(0)) << 6)
|
||
|
|
| (0x3f & cccc.charCodeAt(1)));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* @deprecated should have been internal use only.
|
||
|
|
* @param {string} src UTF-16 string
|
||
|
|
* @returns {string} UTF-8 string
|
||
|
|
*/
|
||
|
|
var btou = function (b) { return b.replace(re_btou, cb_btou); };
|
||
|
|
/**
|
||
|
|
* polyfill version of `atob`
|
||
|
|
*/
|
||
|
|
var atobPolyfill = function (asc) {
|
||
|
|
// console.log('polyfilled');
|
||
|
|
asc = asc.replace(/\s+/g, '');
|
||
|
|
if (!b64re.test(asc))
|
||
|
|
throw new TypeError('malformed base64.');
|
||
|
|
asc += '=='.slice(2 - (asc.length & 3));
|
||
|
|
var u24, bin = '', r1, r2;
|
||
|
|
for (var i = 0; i < asc.length;) {
|
||
|
|
u24 = b64tab[asc.charAt(i++)] << 18
|
||
|
|
| b64tab[asc.charAt(i++)] << 12
|
||
|
|
| (r1 = b64tab[asc.charAt(i++)]) << 6
|
||
|
|
| (r2 = b64tab[asc.charAt(i++)]);
|
||
|
|
bin += r1 === 64 ? _fromCC(u24 >> 16 & 255)
|
||
|
|
: r2 === 64 ? _fromCC(u24 >> 16 & 255, u24 >> 8 & 255)
|
||
|
|
: _fromCC(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);
|
||
|
|
}
|
||
|
|
return bin;
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* does what `window.atob` of web browsers do.
|
||
|
|
* @param {String} asc Base64-encoded string
|
||
|
|
* @returns {string} binary string
|
||
|
|
*/
|
||
|
|
var _atob = _hasatob ? function (asc) { return atob(_tidyB64(asc)); }
|
||
|
|
: _hasBuffer ? function (asc) { return Buffer.from(asc, 'base64').toString('binary'); }
|
||
|
|
: atobPolyfill;
|
||
|
|
//
|
||
|
|
var _toUint8Array = _hasBuffer
|
||
|
|
? function (a) { return _U8Afrom(Buffer.from(a, 'base64')); }
|
||
|
|
: function (a) { return _U8Afrom(_atob(a).split('').map(function (c) { return c.charCodeAt(0); })); };
|
||
|
|
/**
|
||
|
|
* converts a Base64 string to a Uint8Array.
|
||
|
|
*/
|
||
|
|
var toUint8Array = function (a) { return _toUint8Array(_unURI(a)); };
|
||
|
|
//
|
||
|
|
var _decode = _hasBuffer
|
||
|
|
? function (a) { return Buffer.from(a, 'base64').toString('utf8'); }
|
||
|
|
: _TD
|
||
|
|
? function (a) { return _TD.decode(_toUint8Array(a)); }
|
||
|
|
: function (a) { return btou(_atob(a)); };
|
||
|
|
var _unURI = function (a) { return _tidyB64(a.replace(/[-_]/g, function (m0) { return m0 == '-' ? '+' : '/'; })); };
|
||
|
|
/**
|
||
|
|
* converts a Base64 string to a UTF-8 string.
|
||
|
|
* @param {String} src Base64 string. Both normal and URL-safe are supported
|
||
|
|
* @returns {string} UTF-8 string
|
||
|
|
*/
|
||
|
|
var decode = function (src) { return _decode(_unURI(src)); };
|
||
|
|
/**
|
||
|
|
* check if a value is a valid Base64 string
|
||
|
|
* @param {String} src a value to check
|
||
|
|
*/
|
||
|
|
var isValid = function (src) {
|
||
|
|
if (typeof src !== 'string')
|
||
|
|
return false;
|
||
|
|
var s = src.replace(/\s+/g, '').replace(/={0,2}$/, '');
|
||
|
|
return !/[^\s0-9a-zA-Z\+/]/.test(s) || !/[^\s0-9a-zA-Z\-_]/.test(s);
|
||
|
|
};
|
||
|
|
//
|
||
|
|
var _noEnum = function (v) {
|
||
|
|
return {
|
||
|
|
value: v, enumerable: false, writable: true, configurable: true
|
||
|
|
};
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* extend String.prototype with relevant methods
|
||
|
|
*/
|
||
|
|
var extendString = function () {
|
||
|
|
var _add = function (name, body) { return Object.defineProperty(String.prototype, name, _noEnum(body)); };
|
||
|
|
_add('fromBase64', function () { return decode(this); });
|
||
|
|
_add('toBase64', function (urlsafe) { return encode(this, urlsafe); });
|
||
|
|
_add('toBase64URI', function () { return encode(this, true); });
|
||
|
|
_add('toBase64URL', function () { return encode(this, true); });
|
||
|
|
_add('toUint8Array', function () { return toUint8Array(this); });
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* extend Uint8Array.prototype with relevant methods
|
||
|
|
*/
|
||
|
|
var extendUint8Array = function () {
|
||
|
|
var _add = function (name, body) { return Object.defineProperty(Uint8Array.prototype, name, _noEnum(body)); };
|
||
|
|
_add('toBase64', function (urlsafe) { return fromUint8Array(this, urlsafe); });
|
||
|
|
_add('toBase64URI', function () { return fromUint8Array(this, true); });
|
||
|
|
_add('toBase64URL', function () { return fromUint8Array(this, true); });
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* extend Builtin prototypes with relevant methods
|
||
|
|
*/
|
||
|
|
var extendBuiltins = function () {
|
||
|
|
extendString();
|
||
|
|
extendUint8Array();
|
||
|
|
};
|
||
|
|
var gBase64 = {
|
||
|
|
version: version,
|
||
|
|
VERSION: VERSION,
|
||
|
|
atob: _atob,
|
||
|
|
atobPolyfill: atobPolyfill,
|
||
|
|
btoa: _btoa,
|
||
|
|
btoaPolyfill: btoaPolyfill,
|
||
|
|
fromBase64: decode,
|
||
|
|
toBase64: encode,
|
||
|
|
encode: encode,
|
||
|
|
encodeURI: encodeURI,
|
||
|
|
encodeURL: encodeURI,
|
||
|
|
utob: utob,
|
||
|
|
btou: btou,
|
||
|
|
decode: decode,
|
||
|
|
isValid: isValid,
|
||
|
|
fromUint8Array: fromUint8Array,
|
||
|
|
toUint8Array: toUint8Array,
|
||
|
|
extendString: extendString,
|
||
|
|
extendUint8Array: extendUint8Array,
|
||
|
|
extendBuiltins: extendBuiltins
|
||
|
|
};
|
||
|
|
//
|
||
|
|
// export Base64 to the namespace
|
||
|
|
//
|
||
|
|
// ES5 is yet to have Object.assign() that may make transpilers unhappy.
|
||
|
|
// gBase64.Base64 = Object.assign({}, gBase64);
|
||
|
|
gBase64.Base64 = {};
|
||
|
|
Object.keys(gBase64).forEach(function (k) { return gBase64.Base64[k] = gBase64[k]; });
|
||
|
|
return gBase64;
|
||
|
|
}));
|