node.js zlib decompress uncompress unzip s3 file getObject buffer

s3unzip.js

const unzipFromS3 = (key, bucket) => {
  return new Promise(async (resolve, reject) => {
    let options = {
      'Bucket': bucket,
      'Key':    key,
    };

    s3.getObject(options, function(err, res) {
      if(err) return reject(err);
      
      resolve(zlib.unzipSync(res.Body).toString());
    });
  });
};

thank you for posting this!

Error: incorrect header check
at Zlib.zlibOnError when executing this
any solution

Error: incorrect header check
at Zlib.zlibOnError when executing this
any solution

Not out of my head. Make sure the s3 object is a valid gziped file. FYI, res.Body is a buffer.

Error: incorrect header check
at Zlib.zlibOnError when executing this
any solution

Not out of my head. Make sure the s3 object is a valid gziped file. FYI, res.Body is a buffer.

I am getting the same error, I also got a content type binary/octet but's still not unzipped my keys it will give error header check