70 lines
1.8 KiB
JavaScript
70 lines
1.8 KiB
JavaScript
const storageName = 'logintoken'
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const Authentication = {
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currentUser: null,
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isAdmin: false,
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loadedGoogle: false,
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loadingGoogle: false,
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loadingListeners: [],
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authListeners: [],
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updateToken: function(token) {
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if (!token) return Authentication.clearToken()
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localStorage.setItem(storageName, token)
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Authentication.currentUser = JSON.parse(atob(token.split('.')[1]))
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if (Authentication.authListeners.length) {
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Authentication.authListeners.forEach(function(x) { x(Authentication.currentUser) })
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}
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},
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clearToken: function() {
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Authentication.currentUser = null
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localStorage.removeItem(storageName)
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Authentication.isAdmin = false
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},
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addEvent: function(event) {
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Authentication.authListeners.push(event)
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},
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setAdmin: function(item) {
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Authentication.isAdmin = item
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},
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createGoogleScript: function() {
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if (Authentication.loadedGoogle) return Promise.resolve()
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return new Promise(function (res) {
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if (Authentication.loadedGoogle) return res()
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Authentication.loadingListeners.push(res)
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if (Authentication.loadingGoogle) return
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Authentication.loadingGoogle = true
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let gscript = document.createElement('script')
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gscript.type = 'text/javascript'
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gscript.async = true
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gscript.defer = true
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gscript.src = 'https://apis.google.com/js/platform.js?onload=googleLoaded'
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document.body.appendChild(gscript)
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})
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},
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getToken: function() {
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return localStorage.getItem(storageName)
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},
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}
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if (!window.googleLoaded) {
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window.googleLoaded = function() {
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Authentication.loadedGoogle = true
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while (Authentication.loadingListeners.length) {
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Authentication.loadingListeners.pop()()
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}
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}
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}
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Authentication.updateToken(localStorage.getItem(storageName))
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module.exports = Authentication
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