Created
May 15, 2015 04:50
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Simple auth JSX.
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| 'use strict'; | |
| var React = require('react'); | |
| var Router = require('react-router'); | |
| var { DefaultRoute, Route, RouteHandler, Link } = Router; | |
| require('purecss'); | |
| require('./app.css'); | |
| class App extends React.Component { | |
| render () { | |
| return ( | |
| <div className="wrap"> | |
| <Navigator/> | |
| </div> | |
| ); | |
| } | |
| } | |
| class Navigator extends React.Component { | |
| constructor (props) { | |
| super(props); | |
| this.state = { | |
| loggedIn: auth.loggedIn() | |
| }; | |
| } | |
| setStateOnAuth (loggedIn) { | |
| this.setState({ | |
| loggedIn: loggedIn | |
| }); | |
| } | |
| componentWillMount () { | |
| auth.onChange = this.setStateOnAuth.bind(this); | |
| auth.login(); | |
| } | |
| render () { | |
| return ( | |
| <div className="header"> | |
| <div className="home-menu pure-menu pure-menu-horizontal pure-menu-fixed"> | |
| <Link className="pure-menu-heading" to="/">Assembly</Link> | |
| <ul className="pure-menu-list"> | |
| <li className="pure-menu-item pure-menu-selected"><Link className="pure-menu-link" to="/">Home</Link></li> | |
| <li className="pure-menu-item"><Link className="pure-menu-link" to="about">About</Link></li> | |
| <li className="pure-menu-item"> | |
| {this.state.loggedIn ? ( | |
| <Link className="pure-menu-link" to="logout">Sign out</Link> | |
| ) : ( | |
| <Link className="pure-menu-link" to="login">Sign in</Link> | |
| )} | |
| </li> | |
| </ul> | |
| <RouteHandler/> | |
| </div> | |
| </div> | |
| ); | |
| } | |
| } | |
| var requireAuth = (Component) => { | |
| return class Authenticated extends React.Component { | |
| static willTransitionTo(transition) { | |
| if (!auth.loggedIn()) { | |
| transition.redirect('/login', {}, {'nextPath' : transition.path}); | |
| } | |
| } | |
| render () { | |
| return <Component {...this.props}/> | |
| } | |
| } | |
| }; | |
| var DashboardView = requireAuth(class extends React.Component { | |
| render () { | |
| var token = auth.getToken(); | |
| return ( | |
| <div> | |
| <h1>Dashboard</h1> | |
| <p>You made it!</p> | |
| <p>{token}</p> | |
| </div> | |
| ); | |
| } | |
| }); | |
| class LoginView extends React.Component { | |
| constructor (props) { | |
| super(props); | |
| this.handleSubmit = this.handleSubmit.bind(this); | |
| this.state = { | |
| error: false | |
| }; | |
| } | |
| handleSubmit (event) { | |
| event.preventDefault(); | |
| var { router } = this.context; | |
| var nextPath = router.getCurrentQuery().nextPath; | |
| var email = this.refs.email.getDOMNode().value; | |
| var pass = this.refs.pass.getDOMNode().value; | |
| auth.login(email, pass, (loggedIn) => { | |
| if (!loggedIn) | |
| return this.setState({ error: true }); | |
| if (nextPath) { | |
| router.replaceWith(nextPath); | |
| } else { | |
| router.replaceWith('/about'); | |
| } | |
| }); | |
| } | |
| render () { | |
| return ( | |
| <form onSubmit={this.handleSubmit}> | |
| <label><input ref="email" placeholder="email" defaultValue="joe@example.com"/></label> | |
| <label><input ref="pass" placeholder="password"/></label> (hint: password1)<br/> | |
| <button type="submit">login</button> | |
| {this.state.error && ( | |
| <p>Bad login information</p> | |
| )} | |
| </form> | |
| ); | |
| } | |
| } | |
| LoginView.contextTypes = { | |
| router: React.PropTypes.func | |
| }; | |
| class DefaultView extends React.Component { | |
| render () { | |
| return <h1>Home</h1>; | |
| } | |
| } | |
| class AboutView extends React.Component { | |
| render () { | |
| return <h1>About</h1>; | |
| } | |
| } | |
| class LogoutView extends React.Component { | |
| componentDidMount () { | |
| auth.logout(); | |
| } | |
| render () { | |
| return <p>You are now logged out</p>; | |
| } | |
| } | |
| // Fake authentication lib | |
| var auth = { | |
| login (email, pass, cb) { | |
| cb = arguments[arguments.length - 1]; | |
| if (localStorage.token) { | |
| if (cb) cb(true); | |
| this.onChange(true); | |
| return; | |
| } | |
| pretendRequest(email, pass, (res) => { | |
| if (res.authenticated) { | |
| localStorage.token = res.token; | |
| if (cb) cb(true); | |
| this.onChange(true); | |
| } else { | |
| if (cb) cb(false); | |
| this.onChange(false); | |
| } | |
| }); | |
| }, | |
| getToken: function () { | |
| return localStorage.token; | |
| }, | |
| logout: function (cb) { | |
| delete localStorage.token; | |
| if (cb) cb(); | |
| this.onChange(false); | |
| }, | |
| loggedIn: function () { | |
| return !!localStorage.token; | |
| }, | |
| onChange: function () {} | |
| }; | |
| function pretendRequest(email, pass, cb) { | |
| setTimeout(() => { | |
| if (email === 'joe@example.com' && pass === 'password1') { | |
| cb({ | |
| authenticated: true, | |
| token: Math.random().toString(36).substring(7) | |
| }); | |
| } else { | |
| cb({authenticated: false}); | |
| } | |
| }, 0); | |
| } | |
| var routes = ( | |
| <Route handler={App}> | |
| <DefaultRoute handler={DefaultView}/> | |
| <Route name="login" handler={LoginView}/> | |
| <Route name="logout" handler={LogoutView}/> | |
| <Route name="about" handler={AboutView}/> | |
| <Route name="dashboard" handler={DashboardView}/> | |
| </Route> | |
| ); | |
| exports.LoginView = LoginView; | |
| exports.AboutView = AboutView; | |
| exports.DefaultView = DefaultView; | |
| exports.LogoutView = LogoutView; | |
| exports.App = App; | |
| exports.routes = routes; |
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