2014-05-14 10:27:27 +02:00
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<!doctype html>
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<html>
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<head>
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<title>Example of the Implicit Grant flow with Spotify</title>
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<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
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<style type="text/css">
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#login, #loggedin {
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display: none;
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}
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.text-overflow {
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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width: 500px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div id="login">
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<h1>This is an example of the Implicit Grant flow</h1>
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<button id="login-button" class="btn btn-primary">Log in with Spotify</button>
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</div>
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<div id="loggedin">
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<div id="user-profile">
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</div>
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<div id="oauth">
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</div>
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</div>
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</div>
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<script id="user-profile-template" type="text/x-handlebars-template">
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<h1>Logged in as {{display_name}}</h1>
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<div class="media">
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<div class="pull-left">
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2014-06-03 13:26:18 +02:00
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<img class="media-object" width="150" src="{{images.0.url}}" />
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2014-05-14 10:27:27 +02:00
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</div>
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<div class="media-body">
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<dl class="dl-horizontal">
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2014-06-05 00:14:48 +02:00
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<dt>Display name</dt><dd class="clearfix">{{display_name}}</dd>
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2014-05-14 10:27:27 +02:00
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<dt>Id</dt><dd>{{id}}</dd>
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<dt>Email</dt><dd>{{email}}</dd>
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2014-06-03 13:26:18 +02:00
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<dt>Spotify URI</dt><dd><a href="{{external_urls.spotify}}">{{external_urls.spotify}}</a></dd>
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<dt>Link</dt><dd><a href="{{href}}">{{href}}</a></dd>
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2014-06-05 00:14:48 +02:00
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<dt>Profile Image</dt><dd class="clearfix"><a href="{{images.0.url}}">{{images.0.url}}</a></dd>
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<dt>Country</dt><dd>{{country}}</dd>
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2014-05-14 10:27:27 +02:00
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</dl>
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</div>
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</div>
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</script>
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<script id="oauth-template" type="text/x-handlebars-template">
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<h2>oAuth info</h2>
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<dl class="dl-horizontal">
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<dt>Access token</dt><dd class="text-overflow">{{access_token}}</dd>
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</dl>
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</script>
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<script src="//cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0-alpha.1/handlebars.min.js"></script>
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<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
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<script>
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(function() {
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2014-06-30 10:11:04 +02:00
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var stateKey = 'spotify_auth_state';
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2014-05-14 10:27:27 +02:00
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/**
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* Obtains parameters from the hash of the URL
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* @return Object
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*/
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function getHashParams() {
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var hashParams = {};
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var e, r = /([^&;=]+)=?([^&;]*)/g,
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q = window.location.hash.substring(1);
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while ( e = r.exec(q)) {
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hashParams[e[1]] = decodeURIComponent(e[2]);
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}
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return hashParams;
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}
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2014-06-30 10:11:04 +02:00
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/**
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* Generates a random string containing numbers and letters
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* @param {number} length The length of the string
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* @return {string} The generated string
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*/
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function generateRandomString(length) {
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var text = '';
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var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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for (var i = 0; i < length; i++) {
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text += possible.charAt(Math.floor(Math.random() * possible.length));
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}
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return text;
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};
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2014-05-14 10:27:27 +02:00
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var userProfileSource = document.getElementById('user-profile-template').innerHTML,
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userProfileTemplate = Handlebars.compile(userProfileSource),
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userProfilePlaceholder = document.getElementById('user-profile');
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oauthSource = document.getElementById('oauth-template').innerHTML,
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oauthTemplate = Handlebars.compile(oauthSource),
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oauthPlaceholder = document.getElementById('oauth');
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var params = getHashParams();
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2014-06-30 10:11:04 +02:00
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var access_token = params.access_token,
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state = params.state,
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storedState = localStorage.getItem(stateKey);
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if (access_token && (state == null || state !== storedState)) {
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alert('There was an error during the authentication');
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2014-05-14 10:27:27 +02:00
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} else {
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2014-06-30 10:11:04 +02:00
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localStorage.removeItem(stateKey);
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if (access_token) {
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$.ajax({
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url: 'https://api.spotify.com/v1/me',
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headers: {
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'Authorization': 'Bearer ' + access_token
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},
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success: function(response) {
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userProfilePlaceholder.innerHTML = userProfileTemplate(response);
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$('#login').hide();
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$('#loggedin').show();
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}
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});
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} else {
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$('#login').show();
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$('#loggedin').hide();
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}
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2014-05-14 10:27:27 +02:00
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2014-06-30 10:11:04 +02:00
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document.getElementById('login-button').addEventListener('click', function() {
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2014-05-14 10:27:27 +02:00
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2014-06-30 10:11:04 +02:00
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var client_id = '03ffe0cac0a0401aa6673c3cf6d02ced'; // Your client id
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var redirect_uri = 'http://localhost:8888/'; // Your redirect uri
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2014-05-14 10:27:27 +02:00
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2014-06-30 10:11:04 +02:00
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var state = generateRandomString(16);
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2014-05-14 10:27:27 +02:00
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2014-06-30 10:11:04 +02:00
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localStorage.setItem(stateKey, state);
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var scope = 'user-read-private user-read-email';
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2014-05-14 10:27:27 +02:00
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2014-06-30 10:11:04 +02:00
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var url = 'https://accounts.spotify.com/authorize';
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url += '?response_type=token';
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url += '&client_id=' + encodeURIComponent(client_id);
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url += '&scope=' + encodeURIComponent(scope);
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url += '&redirect_uri=' + encodeURIComponent(redirect_uri);
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url += '&state=' + encodeURIComponent(state);
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2014-05-14 10:27:27 +02:00
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2014-06-30 10:11:04 +02:00
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window.location = url;
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}, false);
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}
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2014-05-14 10:27:27 +02:00
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})();
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</script>
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</html>
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