// Used exclusively by S3 to the best of my knowledge...
func (self *Signer) SignRequestV1(req *http.Request, canon func(*http.Request) (string, os.Error), exp int64) (err os.Error) {
qstring, err := http.ParseQuery(req.URL.RawQuery)
if err != nil {
return
}
if exp > 0 {
qstring["Expires"] = []string{strconv.Itoa64(time.Seconds() + exp)}
} else {
qstring["Timestamp"] = []string{time.UTC().Format(ISO8601TimestampFormat)}
}
qstring["Signature"] = nil, false
qstring["AWSAccessKeyId"] = []string{self.AccessKey}
req.URL.RawQuery = http.Values(qstring).Encode()
can, err := canon(req)
if err != nil {
return
}
var sig []byte
sig, err = self.SignEncoded(crypto.SHA1, can, base64.StdEncoding)
if err == nil {
req.URL.RawQuery += "&" + http.Values{"Signature": []string{string(sig)}}.Encode()
}
return
}
// NewPOSTTask creates a Task that will POST to a path with the given form data.
func NewPOSTTask(path string, params map[string][]string) *Task {
h := make(http.Header)
h.Set("Content-Type", "application/x-www-form-urlencoded")
return &Task{
Path: path,
Payload: []byte(http.Values(params).Encode()),
Header: h,
Method: "POST",
}
}
func postTweet(token *oauth.Credentials, url string, opt map[string]string) os.Error {
param := make(web.Values)
for k, v := range opt {
param.Set(k, v)
}
oauthClient.SignParam(token, "POST", url, param)
res, err := http.PostForm(url, http.Values(param))
if err != nil {
log.Println("failed to post tweet:", err)
return err
}
defer res.Body.Close()
if res.StatusCode != 200 {
log.Println("failed to get timeline:", err)
return err
}
return nil
}
// The V2 denotes amazon signing version 2, not version 2 of this particular function...
// V2 is used by all services but S3;
// Note, some services vary in their exact implementation of escaping w/r/t signatures,
// so it is recommended you use this function.
//
// Final note: if exp is set to 0, a Timestamp will be used, otherwise an expiration.
func (self *Signer) SignRequestV2(req *http.Request, canon func(*http.Request) (string, os.Error), api_ver string, exp int64) (err os.Error) {
// log.Printf("Signing request...")
qstring, err := http.ParseQuery(req.URL.RawQuery)
if err != nil {
return
}
qstring["SignatureVersion"] = []string{DEFAULT_SIGNATURE_VERSION}
if _, ok := qstring["SignatureMethod"]; !ok || len(qstring["SignatureMethod"]) == 0 {
qstring["SignatureMethod"] = []string{DEFAULT_SIGNATURE_METHOD}
}
qstring["Version"] = []string{api_ver}
if exp > 0 {
qstring["Expires"] = []string{strconv.Itoa64(time.Seconds() + exp)}
} else {
qstring["Timestamp"] = []string{time.UTC().Format(ISO8601TimestampFormat)}
}
qstring["Signature"] = nil, false
qstring["AWSAccessKeyId"] = []string{self.AccessKey}
var sig []byte
req.URL.RawQuery = http.Values(qstring).Encode()
can, err := canon(req)
if err != nil {
return
}
//log.Printf("String-to-sign: '%s'", can)
switch qstring["SignatureMethod"][0] {
case "HmacSHA256":
sig, err = self.SignEncoded(crypto.SHA256, can, base64.StdEncoding)
case "HmacSHA1":
sig, err = self.SignEncoded(crypto.SHA1, can, base64.StdEncoding)
default:
err = os.NewError("Unknown SignatureMethod:" + req.Form.Get("SignatureMethod"))
}
if err == nil {
req.URL.RawQuery += "&" + http.Values{"Signature": []string{string(sig)}}.Encode()
}
return
}
