gateway.mjs
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| 1 | /** |
| 2 | * Netlify serverless wrapper for the Knowtation Hub Gateway. |
| 3 | * Redirects all traffic to this function; the Express app handles /auth/* and /api/*. |
| 4 | * Persists hosted billing state in Netlify Blobs (store `gateway-billing`). |
| 5 | */ |
| 6 | import serverless from 'serverless-http'; |
| 7 | import { connectLambda, getStore } from '@netlify/blobs'; |
| 8 | import { app } from '../../hub/gateway/server.mjs'; |
| 9 | |
| 10 | export const handler = async (event, context) => { |
| 11 | connectLambda(event); |
| 12 | globalThis.__knowtation_gateway_blob = getStore({ name: 'gateway-billing', consistency: 'eventual' }); |
| 13 | globalThis.__knowtation_attest_blob = getStore({ name: 'gateway-attestation', consistency: 'eventual' }); |
| 14 | // Refresh-token store. Strong consistency is NOT available here: this gateway runs in Netlify's |
| 15 | // Lambda compatibility mode (serverless-http + connectLambda), which wires up only edge |
| 16 | // (eventual) access and omits the `uncachedEdgeURL` that strong-consistency reads require — a |
| 17 | // strong read throws BlobsConsistencyError, which previously blocked every refresh-cookie write. |
| 18 | // We therefore use eventual consistency (same as the billing store). Reuse detection still holds |
| 19 | // after edge propagation (<60s, usually sub-second); see the trade-off note and hardening options |
| 20 | // in hub/gateway/refresh-token-store.mjs. |
| 21 | globalThis.__knowtation_gateway_auth_blob = getStore({ name: 'gateway-auth', consistency: 'eventual' }); |
| 22 | try { |
| 23 | return await serverless(app)(event, context); |
| 24 | } finally { |
| 25 | delete globalThis.__knowtation_gateway_blob; |
| 26 | delete globalThis.__knowtation_attest_blob; |
| 27 | delete globalThis.__knowtation_gateway_auth_blob; |
| 28 | } |
| 29 | }; |