javascript - CORS issue with aws-sdk S3 on Firefox -

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o/s: mac os sierra 10.12.16 browser: firefox 54.0.1

i have bug firefox javascript site when uploading pdfs s3 using aws-sdk node. works on chrome, ie11 , safari.

update:

it seems work ok when upload pdf's under 500kb. when upload files on 500kb works 1 time out of 10.

i signed request pdf by:

client:

$.ajax({     cache: false,     type: 'get',     mimetype: 'text/plain',     url: '/gets3url?file-name=' + annexurefilename + '&file-type=' + validatedfile.type + '&url-folder=' + index.s3urlfolder,     success: function (data, textstatus, request) {         const response = json.parse(data);         putlocalfiles(validatedfile, reference, response.signedrequest, annexurefilename, response.url, callback);     },     error: function (err, textstatus, request) {         _errorcallback(err.responsetext);     } });

server:

exports.gets3url = (req, res) => { const filename = req.query['file-name']; const foldername = req.query['url-folder']; const filetype = req.query['file-type']; const folderandfile = foldername + '/' + filename;  const s3params = {     bucket: s3_bucket,     key: folderandfile,     contenttype: filetype,     acl: 'public-read' }; s3.getsignedurl('putobject', s3params, (error, data) => {     if (error) {         console.error(error);         return res.status(500).send(error);     }     const returndata = {         signedrequest: data,         url: `https://${s3_bucket}.s3.amazonaws.com/${filename}`     };     res.write(json.stringify(returndata));     res.end(); }); };

when try 'put' these files s3:

    // https://gist.github.com/guumaster/9f18204aca2bd6c71a24     $.ajax({         type: 'put',         url: signedrequest,         // content type must parameter signed url         contenttype: file.type,         // flag important, if not set, try send data form         processdata: false,         // actual file sent raw         data: file,         success: function (data, textstatus, request) {             addtosupportingdocsurldo(annexurefilename, reference, url, callback);         },         error: function (err, textstatus, request) {             _errorcallback('could not upload file: ' + url + ' error: ' + err.responsetext);             // todo: send support@judgeit.com.au email error         }     });

the bug gets returned is:

cross-origin request blocked: same origin policy disallows reading remote resource @ https://s3bucket.s3-ap-southeast-2.amazonaws.com/596772d37d3e5f6170d51de9/599be64abbebb505d93f0327/annexure-1.pdf?awsaccesskeyid=awsaccesskey&content-type=application%2fpdf&expires=1503390725&signature=signatureu%3d&x-amz-acl=public-read. (reason: cors header ‘access-control-allow-origin’ missing).





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