Add session management

src/oauth.ts

@@ -0,0 +1,24 @@
+import oauthPlugin, { FastifyOAuth2Options } from "@fastify/oauth2";
+import { FastifyInstance } from "fastify";
+
+export async function oauth(fastify: FastifyInstance) {
+  fastify.register(oauthPlugin, {
+    name: "microsoftOauth",
+    scope: ["openid", "email", "profile"],
+    credentials: {
+      client: {
+        id: process.env.MICROSOFT_CLIENT_ID,
+        secret: process.env.MICROSOFT_CLIENT_SECRET,
+      },
+    },
+    startRedirectPath: "/auth/microsoft",
+    callbackUri: process.env.MICROSOFT_REDIRECT_URI,
+    discovery: {
+      issuer:
+        "https://login.microsoftonline.com/common/v2.0/.well-known/openid-configuration",
+    },
+    cookie: {
+      sameSite: "none",
+    },
+  } as FastifyOAuth2Options);
+}