Extending Observable to the backend with a custom serverless runtime.
Innovative live-coding workflows against production traffic.
function password_authorization_endpoint({
me, // function that returns a string or a string
secret // Encrypted empty payload protected by password generated in @endpointservices/notebook-secret
}) {
return deploy("password_authorization_endpoint", async (req, res) => {
const params = decodeJsonOrForm(req.body);
if (req.method === 'GET') {
res.send(`
<form action="" method="post">
<label for="fcode">Password</label>
<input type="password" id="fcode" name="password"><br><br>
<input type="hidden" name="state" value="${req.query.state}">
<input type="hidden" name="redirect_uri" value="${req.query.redirect_uri}">
<input type="submit" value="Submit">
</form>
`)
} else if (req.method === 'POST' && params.password) {
try {
await decode(params.password, secret);
const code = randomId(16);
await firebase.database().ref(
`@endpointservices/password_authorization_endpoint/${code}`
).set({
me: typeof me === 'function' ? me() : me,
timestamp: {".sv": "timestamp"}
})
res.redirect(`${req.query.redirect_uri}?code=${code}&state=${req.query.state}`)
} catch (err) {
res.status(403).send(`Incorrect password: ` + err.message)
}
} else if (req.method === 'POST' && params.code) {
const payload = (await firebase.database().ref(
`@endpointservices/password_authorization_endpoint/${params.code}`
).once('value')).val()
res.json({
"me": payload.me
});
} else {
res.status(400).send(`Unknown request method ${req.method}`)
}
}, {
modifiers: ['terminal']
});
}
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
