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tokenstorage/cookie.html

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<html>
<head>
<script src="js/helperFunctions.js"></script>
</head>
<div>
<button id="login" onclick=login()>Login and get new token</button>
<br />
<code id="loginResponse"></code>
</div>
<hr />
<div>
<button id="makeRequest" onclick=makeRequest()>Make an "authenticated" request</button>
<br />
<code id="requestResponse"></code>
</div>
<hr />
<div>
<textarea rows=3 cols=100
placeholder="Enter JS to execute on this page (simulate XSS). Can you retrieve the auth token?"
id="payload"></textarea>
<br />
<button id="execute" onclick=execute()>Execute</button>
</div>
<hr />
<div>
<button onclick=clearCookies()>Clear Cookies</button>
<button onclick=clearGlobalVar()>Clear global variable</button>
<button onclick=clearLocalStorage()>Clear localStorage</button>
<button onclick=clearSessionStorage()>Clear sessionStorage</button>
<br />
<code id="clearResponse"></code>
</div>
<script>
function login() {
fetch("/api/login?method=cookie")
.then((res) => {
if (res.status == 200) {
return res.json()
} else {
throw Error(res.statusText)
}
})
.then((data) => {
logResponse("loginResponse", `Cookie set with token value: ${data.token}`)
})
.catch(console.error)
}
function makeRequest() {
fetch("/api/echo")
.then((res) => {
if (res.status == 200) {
return res.text()
} else {
throw Error(res.statusText)
}
}).then(responseText => logResponse("requestResponse", responseText))
.catch(console.error)
}
function execute() {
content = document.getElementById("payload").value;
eval(content);
}
</script>
</html>