bot/apps/builder/pages/api/storage/upload-url.ts

import { withSentry } from '@sentry/nextjs'
import aws from 'aws-sdk'
import { NextApiRequest, NextApiResponse } from 'next'
import { getSession } from 'next-auth/react'
import { methodNotAllowed } from 'utils'

const maxUploadFileSize = 10485760 // 10 MB
const handler = async (
  req: NextApiRequest,
  res: NextApiResponse
): Promise<void> => {
  res.setHeader('Access-Control-Allow-Origin', '*')
  if (req.method === 'GET') {
    const session = await getSession({ req })
    if (!session) {
      res.status(401)
      return
    }
    aws.config.update({
      accessKeyId: process.env.S3_ACCESS_KEY,
      secretAccessKey: process.env.S3_SECRET_KEY,
      region: process.env.S3_REGION,
      signatureVersion: 'v4',
    })

    const s3 = new aws.S3()
    const post = s3.createPresignedPost({
      Bucket: process.env.S3_BUCKET,
      Fields: {
        ACL: 'public-read',
        key: req.query.key,
        'Content-Type': req.query.fileType,
      },
      Expires: 120, // seconds
      Conditions: [['content-length-range', 0, maxUploadFileSize]],
    })

    return res.status(200).json(post)
  }
  return methodNotAllowed(res)
}

export default withSentry(handler)