cal.pub0.org/pages/api/integrations/office365calendar/callback.ts

64 lines
2.0 KiB
TypeScript

import type { NextApiRequest, NextApiResponse } from "next";
import { getSession } from "@lib/auth";
import prisma from "../../../../lib/prisma";
const scopes = ["offline_access", "Calendars.Read", "Calendars.ReadWrite"];
export default async function handler(req: NextApiRequest, res: NextApiResponse) {
const { code } = req.query;
// Check that user is authenticated
const session = await getSession({ req: req });
if (!session) {
res.status(401).json({ message: "You must be logged in to do this" });
return;
}
const toUrlEncoded = (payload) =>
Object.keys(payload)
.map((key) => key + "=" + encodeURIComponent(payload[key]))
.join("&");
const body = toUrlEncoded({
client_id: process.env.MS_GRAPH_CLIENT_ID,
grant_type: "authorization_code",
code,
scope: scopes.join(" "),
redirect_uri: process.env.BASE_URL + "/api/integrations/office365calendar/callback",
client_secret: process.env.MS_GRAPH_CLIENT_SECRET,
});
const response = await fetch("https://login.microsoftonline.com/common/oauth2/v2.0/token", {
method: "POST",
headers: {
"Content-Type": "application/x-www-form-urlencoded;charset=UTF-8",
},
body,
});
const responseBody = await response.json();
if (!response.ok) {
return res.redirect("/integrations?error=" + JSON.stringify(responseBody));
}
const whoami = await fetch("https://graph.microsoft.com/v1.0/me", {
headers: { Authorization: "Bearer " + responseBody.access_token },
});
const graphUser = await whoami.json();
// In some cases, graphUser.mail is null. Then graphUser.userPrincipalName most likely contains the email address.
responseBody.email = graphUser.mail ?? graphUser.userPrincipalName;
responseBody.expiry_date = Math.round(+new Date() / 1000 + responseBody.expires_in); // set expiry date in seconds
delete responseBody.expires_in;
await prisma.credential.create({
data: {
type: "office365_calendar",
key: responseBody,
userId: session.user.id,
},
});
return res.redirect("/integrations");
}