[nodejs] sending a file using HTTP PUT

[josh]

I try to make an HTTP PUT to an API.  this endpoint allow sending a file 
and it saves it somewhere for later retrieval.
Here is the way I do it (successfully) with curl:
curl -sSf -T file1 http://api.my-server/file1  (PUT)    and    curl -O -L 
http://api.my-server/file1  (GET)

Here is a verbose PUT: (the unique name of my file will be test-file-7)
curl -sSf -T file1 http://api.my-server.com:3000/test.bla/test-file-7 -v

> PUT /test.bla/test-file-7 HTTP/1.1
> User-Agent: curl/7.21.4 (universal-apple-darwin11.0) libcurl/7.21.4 
OpenSSL/0.9.8r zlib/1.2.5
> Host: api.my-server.com:3000
> Accept: */*
> Content-Length: 12
> Expect: 100-continue
> 
< HTTP/1.1 100 Continue
< HTTP/1.1 200 OK
< Server: nginx/0.6.34
< Date: Tue, 24 Jul 2012 02:10:18 GMT
< Content-Type: text/html
< Transfer-Encoding: chunked
< Connection: close
< Vary: Accept-Encoding
< Status: 200 OK
< 
* Closing connection #0



here is my node code that is trying to imitate the curl:

module.exports = saveFile;
 
var request = require('request');  // Mikeal's request package
var rand = Math.floor(Math.random()*100000000).toString();
 
// curl -sSf -T file1 <url>/file-name
function saveFile() {
  request({
    method: 'PUT',
    uri: 'http://api.my-server.com:3000/file-' + rand,
    multipart: [ {
        'content-type': 'application/json',
        body: JSON.stringify({
          foo: 'bar',
          _attachments: {'message.txt': {follows: true, length: 18, 
'content_type': 'text/plain' }}
        })
      },
      { body: 'I am an attachment' }
    ]
  }
  , function (error, response, body) {
      if(response.statusCode == 200){
        console.log('ok);
     } else {
       console.log('error: '+ response.statusCode)
       console.log(body)
     }
   });
};

the difference between this code and the curl version is i am not loading a 
file from the file system in the node version.
if this is the issue, can anyone guide me about doing it?  i probably need 
to change the content type and might not need the multipart? i am not sure.
 
here is the output i see in the terminal:
// boundary >> D0F5DF48-E3F9-4C8B-93F2-2A7EFA47F7C4
// ok
 
 
// when i retrieve the file from the server using curl -O -L 
http://api.my-server/file1
// i see:

cat file1 =>
--D0F5DF48-E3F9-4C8B-93F2-2A7EFA47F7C4
content-type: application/json
 
{"foo":"bar","_attachments":{"message.txt":{"follows":true,"length":18,"content_type":"text/plain"}}}
--D0F5DF48-E3F9-4C8B-93F2-2A7EFA47F7C4
 
I am an attachment
 
 

any idea why do i see so many lines instead of only the last one?
is it the multipart or maybe the content-type?

Also, I can talk to the guy that created the API i am using. i am just not 
sure what questions should I ask him.
Also, any insight about mutiparts, mime-types and encoding would be 
appreciated. this stuff is confusing! 

Thanks!

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