func (client *Client) signRequest(req *request, payload []byte) {
// SignString = VERB + "\n"
// + CONTENT-MD5 + "\n"
// + CONTENT-TYPE + "\n"
// + DATE + "\n"
// + CanonicalizedLOGHeaders + "\n"
// + CanonicalizedResource
if _, ok := req.headers["Authorization"]; ok {
return
}
contentMd5 := ""
contentType := req.headers["Content-Type"]
if req.payload != nil {
hasher := md5.New()
hasher.Write(payload)
contentMd5 = strings.ToUpper(hex.EncodeToString(hasher.Sum(nil))) //string(md5.Sum(contentMd5))
req.headers["Content-MD5"] = contentMd5
}
date := req.headers["Date"]
//date := util.GetGMTime()
canonicalizedHeader := canonicalizeHeader(req.headers)
canonicalizedResource := canonicalizeResource(req)
signString := req.method + "\n" + contentMd5 + "\n" + contentType + "\n" + date + "\n" + canonicalizedHeader + "\n" + canonicalizedResource
signature := util.CreateSignature(signString, client.accessKeySecret)
req.headers["Authorization"] = "LOG " + client.accessKeyId + ":" + signature
}
func (client *Client) signRequest(request *request) {
query := request.params
urlSignature := query.Get("OSSAccessKeyId") != ""
headers := request.headers
contentMd5 := headers.Get("Content-Md5")
contentType := headers.Get("Content-Type")
date := ""
if urlSignature {
date = query.Get("Expires")
} else {
date = headers.Get("Date")
}
resource := request.path
if request.bucket != "" {
resource = "/" + request.bucket + request.path
}
params := make(url.Values)
for k, v := range query {
if ossParamsToSign[k] {
params[k] = v
}
}
if len(params) > 0 {
resource = resource + "?" + util.Encode(params)
}
canonicalizedResource := resource
_, canonicalizedHeader := canonicalizeHeader(headers)
stringToSign := request.method + "\n" + contentMd5 + "\n" + contentType + "\n" + date + "\n" + canonicalizedHeader + canonicalizedResource
//log.Println("stringToSign: ", stringToSign)
signature := util.CreateSignature(stringToSign, client.AccessKeySecret)
if query.Get("OSSAccessKeyId") != "" {
query.Set("Signature", signature)
} else {
headers.Set("Authorization", "OSS "+client.AccessKeyId+":"+signature)
}
}