|
|
@@ -0,0 +1,178 @@
|
|
|
+(function (global, factory) {
|
|
|
+ typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory(global) : typeof define === "function" && define.amd ? define(factory) : factory(global)
|
|
|
+}((typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : this), function (global) {
|
|
|
+ global = global || {};
|
|
|
+ var _Base64 = global.Base64;
|
|
|
+ var version = "2.6.3";
|
|
|
+ var b64chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
|
+ var b64tab = function (bin) {
|
|
|
+ var t = {};
|
|
|
+ for (var i = 0, l = bin.length; i < l; i++) {
|
|
|
+ t[bin.charAt(i)] = i
|
|
|
+ }
|
|
|
+ return t
|
|
|
+ }(b64chars);
|
|
|
+ var fromCharCode = String.fromCharCode;
|
|
|
+ var cb_utob = function (c) {
|
|
|
+ if (c.length < 2) {
|
|
|
+ var cc = c.charCodeAt(0);
|
|
|
+ return cc < 128 ? c : cc < 2048 ? (fromCharCode(192 | (cc >>> 6)) + fromCharCode(128 | (cc & 63))) : (fromCharCode(224 | ((cc >>> 12) & 15)) + fromCharCode(128 | ((cc >>> 6) & 63)) + fromCharCode(128 | (cc & 63)))
|
|
|
+ } else {
|
|
|
+ var cc = 65536 + (c.charCodeAt(0) - 55296) * 1024 + (c.charCodeAt(1) - 56320);
|
|
|
+ return (fromCharCode(240 | ((cc >>> 18) & 7)) + fromCharCode(128 | ((cc >>> 12) & 63)) + fromCharCode(128 | ((cc >>> 6) & 63)) + fromCharCode(128 | (cc & 63)))
|
|
|
+ }
|
|
|
+ };
|
|
|
+ var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;
|
|
|
+ var utob = function (u) {
|
|
|
+ return u.replace(re_utob, cb_utob)
|
|
|
+ };
|
|
|
+ var cb_encode = function (ccc) {
|
|
|
+ var padlen = [0, 2, 1][ccc.length % 3],
|
|
|
+ ord = ccc.charCodeAt(0) << 16 | ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8) | ((ccc.length > 2 ? ccc.charCodeAt(2) : 0)),
|
|
|
+ chars = [b64chars.charAt(ord >>> 18), b64chars.charAt((ord >>> 12) & 63), padlen >= 2 ? "=" : b64chars.charAt((ord >>> 6) & 63), padlen >= 1 ? "=" : b64chars.charAt(ord & 63)];
|
|
|
+ return chars.join("")
|
|
|
+ };
|
|
|
+ var btoa = global.btoa && typeof global.btoa == "function" ? function (b) {
|
|
|
+ return global.btoa(b)
|
|
|
+ } : function (b) {
|
|
|
+ if (b.match(/[^\x00-\xFF]/)) {
|
|
|
+ throw new RangeError("The string contains invalid characters.")
|
|
|
+ }
|
|
|
+ return b.replace(/[\s\S]{1,3}/g, cb_encode)
|
|
|
+ };
|
|
|
+ var _encode = function (u) {
|
|
|
+ return btoa(utob(String(u)))
|
|
|
+ };
|
|
|
+ var mkUriSafe = function (b64) {
|
|
|
+ return b64.replace(/[+\/]/g, function (m0) {
|
|
|
+ return m0 == "+" ? "-" : "_"
|
|
|
+ }).replace(/=/g, "")
|
|
|
+ };
|
|
|
+ var encode = function (u, urisafe) {
|
|
|
+ return urisafe ? mkUriSafe(_encode(u)) : _encode(u)
|
|
|
+ };
|
|
|
+ var encodeURI = function (u) {
|
|
|
+ return encode(u, true)
|
|
|
+ };
|
|
|
+ var fromUint8Array;
|
|
|
+ if (global.Uint8Array) {
|
|
|
+ fromUint8Array = function (a, urisafe) {
|
|
|
+ var b64 = "";
|
|
|
+ for (var i = 0, l = a.length; i < l; i += 3) {
|
|
|
+ var a0 = a[i],
|
|
|
+ a1 = a[i + 1],
|
|
|
+ a2 = a[i + 2];
|
|
|
+ var ord = a0 << 16 | a1 << 8 | a2;
|
|
|
+ b64 += b64chars.charAt(ord >>> 18) + b64chars.charAt((ord >>> 12) & 63) + (typeof a1 != "undefined" ? b64chars.charAt((ord >>> 6) & 63) : "=") + (typeof a2 != "undefined" ? b64chars.charAt(ord & 63) : "=")
|
|
|
+ }
|
|
|
+ return urisafe ? mkUriSafe(b64) : b64
|
|
|
+ }
|
|
|
+ }
|
|
|
+ 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 = ((7 & cccc.charCodeAt(0)) << 18) | ((63 & cccc.charCodeAt(1)) << 12) | ((63 & cccc.charCodeAt(2)) << 6) | (63 & cccc.charCodeAt(3)),
|
|
|
+ offset = cp - 65536;
|
|
|
+ return (fromCharCode((offset >>> 10) + 55296) + fromCharCode((offset & 1023) + 56320));
|
|
|
+ case 3:
|
|
|
+ return fromCharCode(((15 & cccc.charCodeAt(0)) << 12) | ((63 & cccc.charCodeAt(1)) << 6) | (63 & cccc.charCodeAt(2)));
|
|
|
+ default:
|
|
|
+ return fromCharCode(((31 & cccc.charCodeAt(0)) << 6) | (63 & cccc.charCodeAt(1)))
|
|
|
+ }
|
|
|
+ };
|
|
|
+ var btou = function (b) {
|
|
|
+ return b.replace(re_btou, cb_btou)
|
|
|
+ };
|
|
|
+ var cb_decode = function (cccc) {
|
|
|
+ var len = cccc.length,
|
|
|
+ padlen = len % 4,
|
|
|
+ n = (len > 0 ? b64tab[cccc.charAt(0)] << 18 : 0) | (len > 1 ? b64tab[cccc.charAt(1)] << 12 : 0) | (len > 2 ? b64tab[cccc.charAt(2)] << 6 : 0) | (len > 3 ? b64tab[cccc.charAt(3)] : 0),
|
|
|
+ chars = [fromCharCode(n >>> 16), fromCharCode((n >>> 8) & 255), fromCharCode(n & 255)];
|
|
|
+ chars.length -= [0, 0, 2, 1][padlen];
|
|
|
+ return chars.join("")
|
|
|
+ };
|
|
|
+ var _atob = global.atob && typeof global.atob == "function" ? function (a) {
|
|
|
+ return global.atob(a)
|
|
|
+ } : function (a) {
|
|
|
+ return a.replace(/\S{1,4}/g, cb_decode)
|
|
|
+ };
|
|
|
+ var atob = function (a) {
|
|
|
+ return _atob(String(a).replace(/[^A-Za-z0-9\+\/]/g, ""))
|
|
|
+ };
|
|
|
+ var _decode = function (a) {
|
|
|
+ return btou(_atob(a))
|
|
|
+ };
|
|
|
+ var _fromURI = function (a) {
|
|
|
+ return String(a).replace(/[-_]/g, function (m0) {
|
|
|
+ return m0 == "-" ? "+" : "/"
|
|
|
+ }).replace(/[^A-Za-z0-9\+\/]/g, "")
|
|
|
+ };
|
|
|
+ var decode = function (a) {
|
|
|
+ return _decode(_fromURI(a))
|
|
|
+ };
|
|
|
+ var toUint8Array;
|
|
|
+ if (global.Uint8Array) {
|
|
|
+ toUint8Array = function (a) {
|
|
|
+ return Uint8Array.from(atob(_fromURI(a)), function (c) {
|
|
|
+ return c.charCodeAt(0)
|
|
|
+ })
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var noConflict = function () {
|
|
|
+ var Base64 = global.Base64;
|
|
|
+ global.Base64 = _Base64;
|
|
|
+ return Base64
|
|
|
+ };
|
|
|
+ global.Base64 = {
|
|
|
+ VERSION: version,
|
|
|
+ atob: atob,
|
|
|
+ btoa: btoa,
|
|
|
+ fromBase64: decode,
|
|
|
+ toBase64: encode,
|
|
|
+ utob: utob,
|
|
|
+ encode: encode,
|
|
|
+ encodeURI: encodeURI,
|
|
|
+ btou: btou,
|
|
|
+ decode: decode,
|
|
|
+ noConflict: noConflict,
|
|
|
+ fromUint8Array: fromUint8Array,
|
|
|
+ toUint8Array: toUint8Array
|
|
|
+ };
|
|
|
+ if (typeof Object.defineProperty === "function") {
|
|
|
+ var noEnum = function (v) {
|
|
|
+ return {
|
|
|
+ value: v,
|
|
|
+ enumerable: false,
|
|
|
+ writable: true,
|
|
|
+ configurable: true
|
|
|
+ }
|
|
|
+ };
|
|
|
+ global.Base64.extendString = function () {
|
|
|
+ Object.defineProperty(String.prototype, "fromBase64", noEnum(function () {
|
|
|
+ return decode(this)
|
|
|
+ }));
|
|
|
+ Object.defineProperty(String.prototype, "toBase64", noEnum(function (urisafe) {
|
|
|
+ return encode(this, urisafe)
|
|
|
+ }));
|
|
|
+ Object.defineProperty(String.prototype, "toBase64URI", noEnum(function () {
|
|
|
+ return encode(this, true)
|
|
|
+ }))
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (global["Meteor"]) {
|
|
|
+ Base64 = global.Base64
|
|
|
+ }
|
|
|
+ if (typeof module !== "undefined" && module.exports) {
|
|
|
+ module.exports.Base64 = global.Base64
|
|
|
+ } else {
|
|
|
+ if (typeof define === "function" && define.amd) {
|
|
|
+ define([], function () {
|
|
|
+ return global.Base64
|
|
|
+ })
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return {
|
|
|
+ Base64: global.Base64
|
|
|
+ }
|
|
|
+}));
|
