Fastify

Using Fastify package adds routes for direct uploads.

npm i @uplo/fastify

import fastify from 'fastify'
import { uploFastify } from '@uplo/fastify'

const app = fastify()

const uplo = {
  // Your uplo config
}

app.register(uploFastify, { uplo })

It adds POST /uploads/create-direct-upload (change prefix with mountPath). It returns 201 with the Signed ID and upload data, or 422 with { success: false, error: { message } } for invalid requests, unknown attachments, failed attachment validation or disabled direct uploads.

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The route has no authentication, so anyone who can reach it can upload files to your bucket. Register the plugin in a scope with your own auth hook:

app.register(async (scope) => {
  scope.addHook('onRequest', async (request, reply) => {
    const user = await getCurrentUser(request) // your auth
    if (!user) {
      return reply.status(401).send({ success: false, error: { message: 'Unauthorized' } })
    }
  })

  scope.register(uploFastify, { uplo })
})

Uploading alone does not attach a file to a record. Check that the user can change the record before calling attachSignedFile.