/*
* 生成规范header
*/
func getCanonicalHeaders(headers map[string]string, headersToSign []string) (string, string) {
// 没有指定 headersToSign 的情况下，默认使用：
// 1.host
// 2.content-md5
// 3.content-length
// 4.content-type
// 5.所有以x-bce-开头的header项
// 生成规范header
if headersToSign == nil {
headersToSign = []string{"host", "content-md5", "content-length", "content-type"}
}
result := []string{}
signedHeaders := []string{}
for k, v := range headers {
k = strings.ToLower(k)
if strings.HasPrefix(k, httplib.BCE_PREFIX) || utils.IsStringInSlice(k, headersToSign) {
key := utils.UriEncode(k)
value := utils.UriEncode(v)
strTmp := fmt.Sprintf("%s:%s", key, value)
result = append(result, strTmp)
signedHeaders = append(signedHeaders, fmt.Sprint(key))
}
}
sort.Strings(result)
return strings.Join(result, "\n"), strings.Join(signedHeaders, ";")
}
func getCannonicalQuery(query string) string {
if query == "" {
return ""
}
result := []string{}
for _, v := range strings.Split(query, "&") {
tags := strings.Split(v, "=")
if len(tags) == 2 {
key := utils.UriEncode(tags[0])
value := utils.UriEncode(tags[1])
result = append(result, fmt.Sprintf("%s=%s", key, value))
} else if len(tags) == 1 {
key := utils.UriEncode(tags[0])
result = append(result, fmt.Sprintf("%s=", key))
}
}
sort.Strings(result)
return strings.Join(result, "&")
}