@omneedia/auth-js
Version:
Isomorphic Auth client
129 lines • 5.18 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
export function expiresAt(expiresIn) {
const timeNow = Math.round(Date.now() / 1000);
return timeNow + expiresIn;
}
export function uuid() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
const r = (Math.random() * 16) | 0, v = c == 'x' ? r : (r & 0x3) | 0x8;
return v.toString(16);
});
}
export const isBrowser = () => typeof document !== 'undefined';
export function getParameterByName(name, url) {
var _a;
if (!url)
url = ((_a = window === null || window === void 0 ? void 0 : window.location) === null || _a === void 0 ? void 0 : _a.href) || '';
// eslint-disable-next-line no-useless-escape
name = name.replace(/[\[\]]/g, '\\$&');
const regex = new RegExp('[?&#]' + name + '(=([^&#]*)|&|#|$)'), results = regex.exec(url);
if (!results)
return null;
if (!results[2])
return '';
return decodeURIComponent(results[2].replace(/\+/g, ' '));
}
export const resolveFetch = (customFetch) => {
let _fetch;
if (customFetch) {
_fetch = customFetch;
}
else if (typeof fetch === 'undefined') {
_fetch = (...args) => __awaiter(void 0, void 0, void 0, function* () { return yield (yield import('cross-fetch')).fetch(...args); });
}
else {
_fetch = fetch;
}
return (...args) => _fetch(...args);
};
export const looksLikeFetchResponse = (maybeResponse) => {
return (typeof maybeResponse === 'object' &&
maybeResponse !== null &&
'status' in maybeResponse &&
'ok' in maybeResponse &&
'json' in maybeResponse &&
typeof maybeResponse.json === 'function');
};
// Storage helpers
export const setItemAsync = (storage, key, data) => __awaiter(void 0, void 0, void 0, function* () {
yield storage.setItem(key, JSON.stringify(data));
});
export const getItemAsync = (storage, key) => __awaiter(void 0, void 0, void 0, function* () {
const value = yield storage.getItem(key);
if (!value) {
return null;
}
try {
return JSON.parse(value);
}
catch (_a) {
return value;
}
});
export const removeItemAsync = (storage, key) => __awaiter(void 0, void 0, void 0, function* () {
yield storage.removeItem(key);
});
export const decodeBase64URL = (value) => {
try {
// atob is present in all browsers and nodejs >= 16
// but if it is not it will throw a ReferenceError in which case we can try to use Buffer
// replace are here to convert the Base64-URL into Base64 which is what atob supports
// replace with //g regex acts like replaceAll
// Decoding base64 to UTF8 see https://stackoverflow.com/a/30106551/17622044
return decodeURIComponent(atob(value.replace(/[-]/g, '+').replace(/[_]/g, '/'))
.split('')
.map((c) => '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2))
.join(''));
}
catch (e) {
if (e instanceof ReferenceError) {
// running on nodejs < 16
// Buffer supports Base64-URL transparently
return Buffer.from(value, 'base64').toString('utf-8');
}
else {
throw e;
}
}
};
/**
* A deferred represents some asynchronous work that is not yet finished, which
* may or may not culminate in a value.
* Taken from: https://github.com/mike-north/types/blob/master/src/async.ts
*/
export class Deferred {
constructor() {
// eslint-disable-next-line @typescript-eslint/no-extra-semi
;
this.promise = new Deferred.promiseConstructor((res, rej) => {
// eslint-disable-next-line @typescript-eslint/no-extra-semi
;
this.resolve = res;
this.reject = rej;
});
}
}
Deferred.promiseConstructor = Promise;
// Taken from: https://stackoverflow.com/questions/38552003/how-to-decode-jwt-token-in-javascript-without-using-a-library
export function decodeJWTPayload(token) {
// Regex checks for base64url format
const base64UrlRegex = /^([a-z0-9_-]{4})*($|[a-z0-9_-]{3}=?$|[a-z0-9_-]{2}(==)?$)$/i;
const parts = token.split('.');
if (parts.length !== 3) {
throw new Error('JWT is not valid: not a JWT structure');
}
if (!base64UrlRegex.test(parts[1])) {
throw new Error('JWT is not valid: payload is not in base64url format');
}
const base64Url = parts[1];
return JSON.parse(decodeBase64URL(base64Url));
}
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