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index.html
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index.html
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<!doctype html>
<html>
<head>
<title>Implicit Grant flow with Spotify</title>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<style type="text/css">
#login, #loggedin {
display: none;
}
.text-overflow {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
width: 500px;
}
</style>
</head>
<body>
<div class="container">
<div id="login">
<h1>Using the Implicit Grant flow to Log in</h1>
<p>Remember to set up the URI ../app.html in your Spotify App settings first!</p>
<label for="input-userid">Enter your Spotify developer client ID: </label>
<input type="text" id="input-userid" placeholder="99xx99xxx99999xx9xxx999x9x99x9x9" size="35" >
<br>
<button id="login-button" class="btn btn-primary">Log in with Spotify</button>
</div>
<div id="loggedin">
<div id="user-profile">
</div>
<div id="oauth">
</div>
</div>
</div>
<script id="user-profile-template" type="text/x-handlebars-template">
<h1>Logged in as {{display_name}}</h1>
<div class="media">
<div class="pull-left">
<img class="media-object" width="150" src="{{images.0.url}}" />
</div>
<div class="media-body">
<dl class="dl-horizontal">
<dt>Display name</dt><dd class="clearfix">{{display_name}}</dd>
<dt>Id</dt><dd>{{id}}</dd>
<dt>Email</dt><dd>{{email}}</dd>
<dt>Spotify URI</dt><dd><a href="{{external_urls.spotify}}">{{external_urls.spotify}}</a></dd>
<dt>Link</dt><dd><a href="{{href}}">{{href}}</a></dd>
<dt>Profile Image</dt><dd class="clearfix"><a href="{{images.0.url}}">{{images.0.url}}</a></dd>
<dt>Country</dt><dd>{{country}}</dd>
</dl>
</div>
</div>
</script>
<script id="oauth-template" type="text/x-handlebars-template">
<h2>oAuth info</h2>
<dl class="dl-horizontal">
<dt>Access token</dt><dd class="text-overflow">{{access_token}}</dd>
</dl>
</script>
<script src="//cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0-alpha.1/handlebars.min.js"></script>
<script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
<script>
(function() {
var stateKey = 'spotify_auth_state';
/**
* Obtains parameters from the hash of the URL
* @return Object
*/
function getHashParams() {
var hashParams = {};
var e, r = /([^&;=]+)=?([^&;]*)/g,
q = window.location.hash.substring(1);
while ( e = r.exec(q)) {
hashParams[e[1]] = decodeURIComponent(e[2]);
}
return hashParams;
}
/**
* Generates a random string containing numbers and letters
* @param {number} length The length of the string
* @return {string} The generated string
*/
function generateRandomString(length) {
var text = '';
var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
for (var i = 0; i < length; i++) {
text += possible.charAt(Math.floor(Math.random() * possible.length));
}
return text;
};
var userProfileSource = document.getElementById('user-profile-template').innerHTML,
userProfileTemplate = Handlebars.compile(userProfileSource),
userProfilePlaceholder = document.getElementById('user-profile');
oauthSource = document.getElementById('oauth-template').innerHTML,
oauthTemplate = Handlebars.compile(oauthSource),
oauthPlaceholder = document.getElementById('oauth');
var params = getHashParams();
var access_token = params.access_token,
state = params.state,
storedState = localStorage.getItem(stateKey);
if (access_token && (state == null || state !== storedState)) {
alert('There was an error during the authentication');
} else {
localStorage.removeItem(stateKey);
if (access_token) {
$.ajax({
url: 'https://api.spotify.com/v1/me',
headers: {
'Authorization': 'Bearer ' + access_token
},
success: function(response) {
userProfilePlaceholder.innerHTML = userProfileTemplate(response);
$('#login').hide();
$('#loggedin').show();
}
});
} else {
$('#login').show();
$('#loggedin').hide();
}
let client_id;
document.getElementById('login-button').addEventListener('click', function() {
client_id = $('#input-userid').val();;
console.log(client_id);
// var redirect_uri = 'http://127.0.0.1:5500/app.html'; // Local redirect uri
var redirect_uri = 'https://ryanancheta.github.io/spotifyAPP/app.html'; // ONline uri
var state = generateRandomString(16);
localStorage.setItem(stateKey, state);
var scope = 'user-read-private user-read-email user-follow-read user-top-read user-read-playback-state user-read-currently-playing user-modify-playback-state';
var url = 'https://accounts.spotify.com/authorize';
url += '?response_type=token';
url += '&client_id=' + encodeURIComponent(client_id);
url += '&scope=' + encodeURIComponent(scope);
url += '&redirect_uri=' + encodeURIComponent(redirect_uri);
url += '&state=' + encodeURIComponent(state);
window.location = url;
}, false);
}
})();
</script>
</html>