79 lines
2.7 KiB
TypeScript
79 lines
2.7 KiB
TypeScript
import type { NextApiRequest, NextApiResponse } from "next";
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import { WEBAPP_URL } from "@calcom/lib/constants";
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import { getSafeRedirectUrl } from "@calcom/lib/getSafeRedirectUrl";
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import prisma from "@calcom/prisma";
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import { decodeOAuthState } from "../../_utils/decodeOAuthState";
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import getAppKeysFromSlug from "../../_utils/getAppKeysFromSlug";
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const scopes = ["offline_access", "Calendars.Read", "Calendars.ReadWrite"];
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let client_id = "";
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let client_secret = "";
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export default async function handler(req: NextApiRequest, res: NextApiResponse) {
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const { code } = req.query;
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if (typeof code !== "string") {
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res.status(400).json({ message: "No code returned" });
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return;
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}
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const appKeys = await getAppKeysFromSlug("office365-calendar");
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if (typeof appKeys.client_id === "string") client_id = appKeys.client_id;
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if (typeof appKeys.client_secret === "string") client_secret = appKeys.client_secret;
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if (!client_id) return res.status(400).json({ message: "Office 365 client_id missing." });
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if (!client_secret) return res.status(400).json({ message: "Office 365 client_secret missing." });
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const toUrlEncoded = (payload: Record<string, string>) =>
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Object.keys(payload)
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.map((key) => key + "=" + encodeURIComponent(payload[key]))
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.join("&");
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const body = toUrlEncoded({
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client_id,
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grant_type: "authorization_code",
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code,
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scope: scopes.join(" "),
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redirect_uri: WEBAPP_URL + "/api/integrations/office365calendar/callback",
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client_secret,
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});
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const response = await fetch("https://login.microsoftonline.com/common/oauth2/v2.0/token", {
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method: "POST",
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headers: {
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"Content-Type": "application/x-www-form-urlencoded;charset=UTF-8",
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},
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body,
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});
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const responseBody = await response.json();
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if (!response.ok) {
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return res.redirect("/apps/installed?error=" + JSON.stringify(responseBody));
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}
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const whoami = await fetch("https://graph.microsoft.com/v1.0/me", {
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headers: { Authorization: "Bearer " + responseBody.access_token },
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});
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const graphUser = await whoami.json();
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// In some cases, graphUser.mail is null. Then graphUser.userPrincipalName most likely contains the email address.
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responseBody.email = graphUser.mail ?? graphUser.userPrincipalName;
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responseBody.expiry_date = Math.round(+new Date() / 1000 + responseBody.expires_in); // set expiry date in seconds
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delete responseBody.expires_in;
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await prisma.credential.create({
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data: {
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type: "office365_calendar",
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key: responseBody,
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userId: req.session?.user.id,
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appId: "office365-calendar",
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},
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});
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const state = decodeOAuthState(req);
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return res.redirect(getSafeRedirectUrl(state?.returnTo) ?? "/apps/installed");
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}
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