store access token and refresh token in the file system /tmp

utils/odAuthTokenStore.ts

@@ -0,0 +1,32 @@
+// This should be only used on the server side, where the tokens are stored with KV store using
+// a file system based storage. The tokens are stored in the file system as JSON at /tmp path.
+
+import Keyv from 'keyv'
+import { KeyvFile } from 'keyv-file'
+
+const kv = new Keyv({
+  store: new KeyvFile(),
+})
+
+export async function storeOdAuthTokens({
+  accessToken,
+  accessTokenExpiry,
+  refreshToken,
+}: {
+  accessToken: string
+  accessTokenExpiry: number
+  refreshToken: string
+}): Promise<void> {
+  await kv.set('access_token', accessToken, accessTokenExpiry)
+  await kv.set('refresh_token', refreshToken)
+}
+
+export async function getOdAuthTokens(): Promise<{ accessToken: unknown; refreshToken: unknown }> {
+  const accessToken = await kv.get('access_token')
+  const refreshToken = await kv.get('refresh_token')
+
+  return {
+    accessToken,
+    refreshToken,
+  }
+}