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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
</head>
<body>
<h1>WebSocket Authentication with Mozilla Persona</h1>
<div id="user">not logged in</div>
<button id="signin">Sign in</button>
<button id="signout">Sign out</button>
<script src="https://login.persona.org/include.js"></script>
<script>
var currentUser = null;
var sock = null;
var wsuri;
var persona_audience = null;
if (window.location.protocol === "file:") {
wsuri = "ws://127.0.0.1:8080/ws";
persona_audience = "127.0.0.1";
} else {
wsuri = "ws://" + window.location.hostname + ":8080/ws";
persona_audience = window.location.hostname;
}
var signinLink = document.getElementById('signin');
signinLink.onclick = function() {
navigator.id.request();
};
var signoutLink = document.getElementById('signout');
signoutLink.onclick = function() {
navigator.id.logout();
};
var userLabel = document.getElementById('user');
function watchPersona() {
// Chrome: https://github.com/mozilla/persona/issues/4083
navigator.id.watch({
loggedInUser: currentUser,
onlogin: function (assertion) {
// A user has logged in! Here you need to:
// 1. Send the assertion to your backend for verification and to create a session.
// 2. Update your UI.
if (sock) {
sock.send(JSON.stringify({cmd: 'AUTHENTICATE', audience: persona_audience, assertion: assertion}))
}
},
onlogout: function() {
// A user has logged out! Here you need to:
// Tear down the user's session by redirecting the user or making a call to your backend.
// Also, make sure loggedInUser will get set to null on the next page load.
// (That's a literal JavaScript null. Not false, 0, or undefined. null.)
if (sock) {
sock.send(JSON.stringify({cmd: 'LOGOUT'}))
}
}
});
}
if ("WebSocket" in window) {
sock = new WebSocket(wsuri);
} else if ("MozWebSocket" in window) {
sock = new MozWebSocket(wsuri);
} else {
console.log("Browser does not support WebSocket!");
}
if (sock) {
sock.onopen = function() {
console.log("Connected to " + wsuri);
}
sock.onclose = function(e) {
console.log("Connection closed (wasClean = " + e.wasClean + ", code = " + e.code + ", reason = '" + e.reason + "')");
sock = null;
}
sock.onmessage = function (e) {
msg = JSON.parse(e.data);
if (msg.cmd === 'AUTHENTICATED') {
userLabel.innerHTML = 'Authenticated as ' + msg.email;
signinLink.disabled = true;
signoutLink.disabled = false;
currentUser = msg.email;
watchPersona();
} else if (msg.cmd === 'AUTHENTICATION_REQUIRED') {
userLabel.innerHTML = 'not logged in';
signinLink.disabled = false;
signoutLink.disabled = true;
watchPersona();
} else if (msg.cmd === 'AUTHENTICATION_FAILED') {
userLabel.innerHTML = 'Authentication failed: ' + msg.reason;
signinLink.disabled = false;
signoutLink.disabled = true;
watchPersona();
} else if (msg.cmd === 'LOGGED_OUT') {
window.location.reload();
} else {
console.log("unknown command", msg);
}
}
}
</script>
</body>
</html>
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