Initial commit

Created from https://vercel.com/new

lib/session.js

@@ -0,0 +1,58 @@
+import { getWebsiteByUuid, getSessionByUuid, createSession } from 'lib/queries';
+import { getClientInfo } from 'lib/request';
+import { uuid, isValidUuid, parseToken } from 'lib/crypto';
+
+export async function getSession(req) {
+  const { payload } = req.body;
+
+  if (!payload) {
+    throw new Error('Invalid request');
+  }
+
+  const { website: website_uuid, hostname, screen, language, cache } = payload;
+
+  if (cache) {
+    const result = await parseToken(cache);
+
+    if (result) {
+      return result;
+    }
+  }
+
+  if (!isValidUuid(website_uuid)) {
+    throw new Error(`Invalid website: ${website_uuid}`);
+  }
+
+  const { userAgent, browser, os, ip, country, device } = await getClientInfo(req, payload);
+
+  const website = await getWebsiteByUuid(website_uuid);
+
+  if (!website) {
+    throw new Error(`Website not found: ${website_uuid}`);
+  }
+
+  const { website_id } = website;
+  const session_uuid = uuid(website_id, hostname, ip, userAgent, os);
+
+  let session = await getSessionByUuid(session_uuid);
+
+  if (!session) {
+    session = await createSession(website_id, {
+      session_uuid,
+      hostname,
+      browser,
+      os,
+      screen,
+      language,
+      country,
+      device,
+    });
+  }
+
+  const { session_id } = session;
+
+  return {
+    website_id,
+    session_id,
+  };
+}