AWS Documentation » Amazon Simple Storage Service (S3) » Developer Guide » Working with Amazon S3 Objects » Operations on Objects » Uploading Objects » Uploading Objects Using Pre-Signed URLs

• Server - issue Signed Url

  router.get('/s3/makeSignedUrl', async (req, res) => {
      try {
          const s3 = new AWS.S3();
          const url = s3.getSignedUrl('putObject', {
              Bucket: "<bucketName>",
              Key: 'signedUrlTest/' + moment().format('YYYYMMDD.HHmmss') + '.txt',
              Expires: 60, // seconds
          });
          res.json({url});
      }
      catch(err) {
          res.json({err});
      }
  });

• Client - Http PUT Request using Issued Signed Url

  router.get('/s3/uploadUsingSignedUrl', async (req, res) => {
      try {
          const result = await rp({
              method: "PUT",
              url: '<SignedUrl>',
              body: 'test ' + moment().format()
          });
          res.json({result});
      }
      catch(err) {
          res.json({err});
      }
  });

--2018-06-11