goinstall github.com/reinaldons/goauth

import (
    "github.com/reinaldons/goauth"
    "os"
)

func someFuncThatDoesStuffWithOAuth() (err os.Error) {
    o := new (oauth.OAuth)
    o.ConsumerKey = "key"
    o.ConsumerSecret = "secret"
    o.Callback = "callback"

    o.RequestTokenURL = "https://api.twitter.com/oauth/request_token"
    o.OwnerAuthURL = "https://api.twitter.com/oauth/authorize"
    o.AccessTokenURL = "https://api.twitter.com/oauth/access_token"

    err = o.GetRequestToken()
    if err != nil { return }

    url, err := o.AuthorizationURL()
    if err != nil { return }

    // somehow send user to url...

    var verifier string
    // somehow get verifier (or "PIN")...

    err = o.GetAccessToken(verifier)
    if err != nil { return }

    err = o.Save(os.Getenv("HOME") + "/.simple_example.oauth")

    response, err := o.Post(
        "https://api.twitter.com/1/statuses/update.json",
        map[string]string{"status": "Just did a little OAuth dance!"})
    if err != nil { return }

    // do stuff with response...

    return nil
}

o := new(oauth.OAuth)
o.ConsumerKey = "app key"
o.ConsumerSecret = "app secret"
o.SignatureMethod = "HMAC-SHA1"

o.AccessToken = "user access token"
o.AccessSecret = "user access secret"

get := make(map[string]string)
header := make(map[string]string)
response, err := o.Post("http://api.dropbox.com/0/account/info", "", get, header)
if err != nil {
        fmt.Println("AccountInfo fail: ", err)
        return
}

fmt.Println("Response Body: ", bodyString(response.Body))

func UploadFile(path string, filename string, content string) {
    boundary := fmt.Sprintf("mandic.gomda.%d", time.Nanoseconds())
    
    body := `--[--boundary--]
    Content-Disposition: form-data; name="file"; filename="[--filename--]"
    Content-type: text/plain
    
    [--content--]
    --[--boundary--]--
    
    `
    
    body = strings.Replace(body, "[--boundary--]", boundary, 2)
    body = strings.Replace(body, "[--filename--]", filename, 1)
    body = strings.Replace(body, "[--content--]", content, 1)
    
    get := make(map[string]string)
    get["file"] = filename
    header := make(map[string]string)
    header["User-Agent"] = "Mandic Dropbox"
    header["Content-Length"] = fmt.Sprintf("%d", len(body))
    header["Content-Type"] = fmt.Sprintf("multipart/form-data; boundary=%s", boundary)
    
    o := new(oauth.OAuth)
    o.ConsumerKey = "app key"
    o.ConsumerSecret = "app secret"
    o.SignatureMethod = "HMAC-SHA1"
    
    o.AccessToken = "user access token"
    o.AccessSecret = "user access secret"
    
    response, err := o.Post(fmt.Sprintf("http://api-content.dropbox.com/0/files/dropbox/%s", path), body, get, header)
    if err != nil {
            fmt.Println("UploadFile fail: ", err)
            return
    }
    
    fmt.Println("Response Body: ", bodyString(response.Body))
}