func (c *client) Send(req cmds.Request) (cmds.Response, error) {
// save user-provided encoding
var previousUserProvidedEncoding string
if encopt := req.Option(cmds.EncShort); encopt != nil {
var err error
previousUserProvidedEncoding, _, err = encopt.String()
if err != nil {
return nil, err
}
}
// override with json to send to server
req.SetOption(cmds.EncShort, cmds.JSON)
query, err := getQuery(req)
if err != nil {
return nil, err
}
var fileReader *MultiFileReader
if req.Files() != nil {
fileReader = NewMultiFileReader(req.Files(), true)
}
path := strings.Join(req.Path(), "/")
url := fmt.Sprintf(ApiUrlFormat, c.serverAddress, ApiPath, path, query)
httpReq, err := http.NewRequest("POST", url, fileReader)
if err != nil {
return nil, err
}
// TODO extract string consts?
if fileReader != nil {
httpReq.Header.Set("Content-Type", "multipart/form-data; boundary="+fileReader.Boundary())
httpReq.Header.Set("Content-Disposition", "form-data: name=\"files\"")
} else {
httpReq.Header.Set("Content-Type", "application/octet-stream")
}
version := config.CurrentVersionNumber
httpReq.Header.Set("User-Agent", fmt.Sprintf("/go-ipfs/%s/", version))
httpRes, err := http.DefaultClient.Do(httpReq)
if err != nil {
return nil, err
}
// using the overridden JSON encoding in request
res, err := getResponse(httpRes, req)
if err != nil {
return nil, err
}
if len(previousUserProvidedEncoding) > 0 {
// reset to user provided encoding after sending request
// NB: if user has provided an encoding but it is the empty string,
// still leave it as JSON.
req.SetOption(cmds.EncShort, previousUserProvidedEncoding)
}
return res, nil
}
