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OAuth by JS: an example of Implicit Grant Type (http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-4.2)
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>SoundCloud OAuth 2 User Agent Authentication Flow Demo</title>
<script type="text/javascript" charset="utf-8" src="javascript/jquery-1.4.2.js"></script>
<script type="text/javascript" charset="utf-8">
$(function () {
var extractToken = function(hash) {
var match = hash.match(/access_token=(\w+)/);
return !!match && match[1];
};
var setting =
{
'host': "soundcloud.com"
, 'clientId': YOUR_CLIENT_ID
};
var authHost = "https://" + setting.host;
var resourceHost = "https://api." + setting.host;
var endUserAuthorizationEndpoint = authHost + "/connect";
var token = extractToken(document.location.hash);
if (token) {
$('div.authenticated').show();
$('span.token').text(token);
$.ajax({
url: resourceHost + '/me'
, beforeSend: function (xhr) {
xhr.setRequestHeader('Authorization', "OAuth " + token);
xhr.setRequestHeader('Accept', "application/json");
}
, success: function (response) {
var container = $('span.user');
if (response) {
container.text(response.username);
} else {
container.text("An error occurred.");
}
}
});
} else {
$('div.authenticate').show();
var authUrl = endUserAuthorizationEndpoint +
"?response_type=token" +
"&client_id=" + setting.clientId +
"&redirect_uri=" + window.location;
$("a.connect").attr("href", authUrl);
}
});
</script>
<style>
.hidden {
display: none;
}
</style>
</head>
<body>
<div class="authenticate hidden">
<a class="connect" href="">Connect</a>
</div>
<div class="authenticated hidden">
<p>
You are using token
<span class="token">[no token]</span>.
</p>
<p>
Your SoundCloud username is
<span class="user">[no username]</span>.
</p>
</div>
</body>
</html>
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