|
@@ -0,0 +1,77 @@
|
|
|
+"use strict";
|
|
|
+Object.defineProperty(exports, "__esModule", { value: true });
|
|
|
+var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
|
|
|
+var b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;
|
|
|
+exports.weBtoa = function (string) {
|
|
|
+ string = String(string);
|
|
|
+ var bitmap, a, b, c, result = "", i = 0, rest = string.length % 3;
|
|
|
+ for (; i < string.length;) {
|
|
|
+ if ((a = string.charCodeAt(i++)) > 255 ||
|
|
|
+ (b = string.charCodeAt(i++)) > 255 ||
|
|
|
+ (c = string.charCodeAt(i++)) > 255)
|
|
|
+ throw new TypeError("Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range.");
|
|
|
+ bitmap = (a << 16) | (b << 8) | c;
|
|
|
+ result += b64.charAt(bitmap >> 18 & 63) + b64.charAt(bitmap >> 12 & 63) +
|
|
|
+ b64.charAt(bitmap >> 6 & 63) + b64.charAt(bitmap & 63);
|
|
|
+ }
|
|
|
+ return rest ? result.slice(0, rest - 3) + "===".substring(rest) : result;
|
|
|
+};
|
|
|
+exports.weAtob = function (string) {
|
|
|
+ string = String(string).replace(/[\t\n\f\r ]+/g, "");
|
|
|
+ if (!b64re.test(string))
|
|
|
+ throw new TypeError("Failed to execute 'atob' on 'Window': The string to be decoded is not correctly encoded.");
|
|
|
+ string += "==".slice(2 - (string.length & 3));
|
|
|
+ var bitmap, result = "", r1, r2, i = 0;
|
|
|
+ for (; i < string.length;) {
|
|
|
+ bitmap = b64.indexOf(string.charAt(i++)) << 18 | b64.indexOf(string.charAt(i++)) << 12 |
|
|
|
+ (r1 = b64.indexOf(string.charAt(i++))) << 6 | (r2 = b64.indexOf(string.charAt(i++)));
|
|
|
+ result += r1 === 64 ? String.fromCharCode(bitmap >> 16 & 255) :
|
|
|
+ r2 === 64 ? String.fromCharCode(bitmap >> 16 & 255, bitmap >> 8 & 255) :
|
|
|
+ String.fromCharCode(bitmap >> 16 & 255, bitmap >> 8 & 255, bitmap & 255);
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+};
|
|
|
+function b64DecodeUnicode(str) {
|
|
|
+ return decodeURIComponent(exports.weAtob(str).replace(/(.)/g, function (p) {
|
|
|
+ var code = p.charCodeAt(0).toString(16).toUpperCase();
|
|
|
+ if (code.length < 2) {
|
|
|
+ code = "0" + code;
|
|
|
+ }
|
|
|
+ return "%" + code;
|
|
|
+ }));
|
|
|
+}
|
|
|
+function base64_url_decode(str) {
|
|
|
+ var output = str.replace(/-/g, "+").replace(/_/g, "/");
|
|
|
+ switch (output.length % 4) {
|
|
|
+ case 0:
|
|
|
+ break;
|
|
|
+ case 2:
|
|
|
+ output += "==";
|
|
|
+ break;
|
|
|
+ case 3:
|
|
|
+ output += "=";
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ throw "Illegal base64url string!";
|
|
|
+ }
|
|
|
+ try {
|
|
|
+ return b64DecodeUnicode(output);
|
|
|
+ }
|
|
|
+ catch (err) {
|
|
|
+ return exports.weAtob(output);
|
|
|
+ }
|
|
|
+}
|
|
|
+function weappJwtDecode(token, options) {
|
|
|
+ if (typeof token !== "string") {
|
|
|
+ throw ("Invalid token specified");
|
|
|
+ }
|
|
|
+ options = options || {};
|
|
|
+ var pos = options.header === true ? 0 : 1;
|
|
|
+ try {
|
|
|
+ return JSON.parse(base64_url_decode(token.split(".")[pos]));
|
|
|
+ }
|
|
|
+ catch (e) {
|
|
|
+ throw ("Invalid token specified: " + e.message);
|
|
|
+ }
|
|
|
+}
|
|
|
+exports.default = weappJwtDecode;
|