server-send-html.js

var http = require('http');
var PORT = 3000;
var url = require('url');
var BOUNDARY = '741e90d31eff';
var crypto = require('crypto');
var ROOT = 'https://kipuapi.kipuworks.com';
var URI = '/api/patients';
var SECRET_KEY = 'QlIn8+DwAKjKVs84P8sJ/qewB8G2zFdMURl4i6KmwqI4SCleQNh6FjOoBiHmXHa1jGar5HyeQmAgkUo6jomjvw==';
const ACCEPT_HEADER_VALUE = 'application/vnd.kipusystems+json; version=1';
var fs = require('fs');
var request = require('request');
var FileAPI = require('file-api')
  , File = FileAPI.File
  , FileList = FileAPI.FileList
  , FileReader = FileAPI.FileReader;
var fileReader = new FileReader();

// body: '{"errors":["Attachments attachment has contents that are not what they are reported to be"]}' }
// {"errors":["Attachments attachment has contents that are not what they are reported to be"]}
// _http_outgoing.js:752
//       throw new TypeError('First argument must be a string or Buffer');

// so NOT a readable stream?


// base64 returns that error
// hex returns that error
// utf-8 returns that unopenable file?
// buffer returns unopenable file?
// escape returns that error

function handleReq(req, res){
    console.log('hitting');
    if (req.url === '/'){
        fs.readFile('simplehtml.html', (err, data) => {
            var dataArr = [data];
            var buf = Buffer.concat(dataArr);
            console.log(buf);
            //int8, uint8, Uint8ClampedArray, Int16Array, Uint16Array, Int32Array, Uint32

            // var uArr = new Uint32Array(buf);
            // console.log(uArr);

            postBody = '';

            postBody += '--'+BOUNDARY+'\r\n';
            postBody += 'Content-Disposition: form-data; ';
            postBody += 'name="document[data][first_name]"\r\n';
            postBody += '\r\n';
            postBody += 'Trial';
            postBody += '\r\n';

            postBody += '--'+BOUNDARY+'\r\n';
            postBody += 'Content-Disposition: form-data; ';
            postBody += 'name="document[data][last_name]"\r\n';
            postBody += '\r\n';
            postBody += '1 offset';
            postBody += '\r\n';

            postBody += '--'+BOUNDARY+'\r\n';
            postBody += 'Content-Disposition: form-data; ';
            postBody += 'name="document[recipient_id]"\r\n';
            postBody += '\r\n';
            postBody += '5yQxieStOL4ns95npd1LFSMTrFHqfFskxAX73bNi7A0';
            postBody += '\r\n';

            postBody += '--'+BOUNDARY+'\r\n';
            postBody += 'Content-Disposition: form-data; ';
            postBody += 'name="app_id"\r\n';
            postBody += '\r\n';
            postBody += 'oQsSYGt-iYDVq-qX9lGbV6CgMWX9KLvMOX2Qy_PGO7s';
            postBody += '\r\n';

            postBody += '--'+BOUNDARY+'\r\n';
            postBody += 'Content-Disposition: form-data; ';
            postBody += 'name="document[attachments_attributes][0][attachment]"; filename="simplehtml.html"\r\n';
            postBody += 'Content-type: text/html \r\n';
            postBody += '\r\n';

            // var dataArr = [];
            // var reqObj = {};

            // fileReader.setNodeChunkedEncoding(false);
            // fileReader.readAsArrayBuffer(new File('simplepdf.pdf'));
            // fileReader.on('data', function(dataChunk){
            //     console.log('this is dataChunk');
            //     console.log(dataChunk);
            //     dataArr.push(dataChunk);
            // });
            // fileReader.addEventListener('load', function (ev) {
            //   console.log("dataUrlSize:", ev.target.result.length);
            // });
            // fileReader.addEventListener('loadend', function () {
            //   console.log("Success");
            //   console.log('dataArr');
            //   console.log(dataArr);
            //   console.log('dataArr[0]');
            //   console.log(dataArr[0]);
            //   postBody += dataArr[0];
            //   postBody += '\r\n';
            //   postBody += '--'+BOUNDARY+'--\r\n';
            //
            //   let md5Digest = crypto.createHash('md5').update(postBody).digest('binary');
            //   let contentStr = Buffer.from(md5Digest, 'binary').toString('base64', 0, 24);
            //   let dateStr = new Date().toUTCString();
            //
            //   var canonicalStr = 'multipart/form-data, boundary='+BOUNDARY+',';
            //   canonicalStr += contentStr+','+URI+','+dateStr;
            //   let signature = crypto.createHmac('sha1', SECRET_KEY).update(canonicalStr).digest('base64');
            //
            //   let reqObj = {
            //       url: ROOT + URI,
            //       method: 'POST',
            //       headers: {
            //           'Content-type': 'multipart/form-data, boundary='+BOUNDARY,
            //           'Accept': ACCEPT_HEADER_VALUE,
            //           'Authorization': 'APIAuth '+'oQsSYGt-iYDVq-qX9lGbV6CgMWX9KLvMOX2Qy_PGO7s'+':'+signature,
            //           'Date': new Date().toUTCString(),
            //           'Content-MD5': contentStr
            //       },
            //       body: postBody
            //   };
            //
            // //   console.log('this is postBody');
            // //   console.log(postBody);
            //
            //   request(reqObj, function(error, response, body){
            //       if (error){
            //           console.log(error);
            //           res.writeHead(200, {'content-type':'text/plain'});
            //           res.write('error:');
            //           res.end();
            //       } else if (!error && response.statusCode === 200){
            //           console.log('THINGS ARE 200');
            //           console.log(body);
            //           res.writeHead(200, {'content-type':'text/plain'});
            //           res.write('received upload:');
            //           res.end();
            //       } else {
            //           console.log('THIS IS THE RESPONSE FROM KIPU');
            //           console.log(response);
            //           console.log(body);
            //           res.writeHead(200, {'content-type':'text/plain'});
            //           res.write('response from kipu');
            //           res.end();
            //       }
            //   });
            // });

            postBody += buf;
            postBody += '\r\n';
            postBody += '--'+BOUNDARY+'--\r\n';

            let md5Digest = crypto.createHash('md5').update(postBody).digest('binary');
            let contentStr = Buffer.from(md5Digest, 'binary').toString('base64', 0, 24);
            let dateStr = new Date().toUTCString();

            var canonicalStr = 'multipart/form-data, boundary='+BOUNDARY+',';
            canonicalStr += contentStr+','+URI+','+dateStr;
            let signature = crypto.createHmac('sha1', SECRET_KEY).update(canonicalStr).digest('base64');

            let reqObj = {
                url: ROOT + URI,
                method: 'POST',
                headers: {
                    'Content-type': 'multipart/form-data, boundary='+BOUNDARY,
                    'Accept': ACCEPT_HEADER_VALUE,
                    'Authorization': 'APIAuth '+'oQsSYGt-iYDVq-qX9lGbV6CgMWX9KLvMOX2Qy_PGO7s'+':'+signature,
                    'Date': new Date().toUTCString(),
                    'Content-MD5': contentStr
                },
                body: postBody
            };

            console.log('this is postBody');
            console.log(postBody);

            request(reqObj, function(error, response, body){
                if (error){
                    console.log(error);
                    res.writeHead(200, {'content-type':'text/plain'});
                    res.write('error:');
                    res.end();
                } else if (!error && response.statusCode === 200){
                    console.log('THINGS ARE 200');
                    console.log(body);
                    res.writeHead(200, {'content-type':'text/plain'});
                    res.write('received upload:');
                    res.end();
                } else {
                    console.log('THIS IS THE RESPONSE FROM KIPU');
                    console.log(response);
                    console.log(body);
                    res.writeHead(200, {'content-type':'text/plain'});
                    res.write('response from kipu');
                    res.end();
                }
            });

        });
    }
}

var server = http.createServer(handleReq);

server.listen(PORT, function(){
    console.log('server listening');
})


// create a pdf w/ one word
// try reading it inside SF
// different string representation
//