Minio presignedPostPolicy

minio.presignedPostPolicy.js

var Minio = require('minio')
var s3Client = new Minio({
  endPoint:  'localhost',
  accessKey: '991OQNY5DUSYGFORMKRX',
  secretKey: 'Gi2CK8DKIAZPoyRtAXDx33xdJ6IzorEzU0j30F5j',
  secure: false,
  port: 9000
});

 // Construct a new postPolicy.
  var policy = s3Client.newPostPolicy()
// Set the object name my-objectname.
  policy.setKey("100.pdf")
// Set the bucket to my-bucketname.
  policy.setBucket("signups")

  var expires = new Date
  expires.setSeconds(24 * 60 * 60 * 10) //10 days
  policy.setExpires(expires)

  policy.setContentLengthRange(1024, 1024*1024) // Min upload length is 1KB Max upload size is 1MB

  s3Client.presignedPostPolicy(policy, function(e, urlStr, formData) {
    
    if (e) console.log("Error: ",e)

    var curl = []
    curl.push(`curl ${urlStr}`)
    for (var key in formData) {
      if (formData.hasOwnProperty(key)) {
        var value = formData[key]
        curl.push(`-F ${key}=${value}`)
      }
    }
    // Print curl command to upload files.
    curl.push('-F file=@<FILE>')
    console.log("curl: ",curl.join(' '));
    //"curl http://localhost/signups -F key=100.pdf -F bucket=signups -F x-amz-date=20160525T115528Z -F x-amz-algorithm=AWS4-HMAC-SHA256 -F x-amz-credential=991OQNY5DUSYGFORMKRX/20160525/us-east-1/s3/aws4_request -F policy=eyJjb25kaXRpb25zIjpbWyJlcSIsIiRrZXkiLCIxMDAucGRmIl0sWyJlcSIsIiRidWNrZXQiLCJzaWdudXBzIl0sWyJjb250ZW50LWxlbmd0aC1yYW5nZSIsMTAyNCwxMDQ4NTc2XSxbImVxIiwiJHgtYW16LWRhdGUiLCIyMDE2MDUyNVQxMTU1MjhaIl0sWyJlcSIsIiR4LWFtei1hbGdvcml0aG0iLCJBV1M0LUhNQUMtU0hBMjU2Il0sWyJlcSIsIiR4LWFtei1jcmVkZW50aWFsIiwiOTkxT1FOWTVEVVNZR0ZPUk1LUlgvMjAxNjA1MjUvdXMtZWFzdC0xL3MzL2F3czRfcmVxdWVzdCJdXSwiZXhwaXJhdGlvbiI6IjIwMTYtMDYtMDRUMDU6MjU6MDAuNTIwWiJ9 -F x-amz-signature=df776dff89bfd7804982780478c755e561b76dffc538cf4017c03a26f724a4be -F file=@<FILE>"
  })