func (option *SignOption) init() {
if option.initialized {
return
}
option.headersToSignSpecified = len(option.HeadersToSign) > 0
if option.Timestamp == "" {
option.Timestamp = util.TimeToUTCString(time.Now())
}
if option.ExpirationPeriodInSeconds <= 0 {
option.ExpirationPeriodInSeconds = ExpirationPeriodInSeconds
}
if option.Headers == nil {
option.Headers = make(map[string]string, 3)
} else {
util.MapKeyToLower(option.Headers)
}
util.SliceToLower(option.HeadersToSign)
if !util.Contains(option.HeadersToSign, "host", true) {
option.HeadersToSign = append(option.HeadersToSign, "host")
}
if !option.headersToSignSpecified {
option.HeadersToSign = append(option.HeadersToSign, "x-bce-date")
option.Headers["x-bce-date"] = option.Timestamp
} else if util.Contains(option.HeadersToSign, "date", true) {
if !util.MapContains(option.Headers, generateHeaderValidCompareFunc("date")) {
option.Headers["date"] = time.Now().Format(time.RFC1123)
} else {
option.Headers["date"] = util.TimeStringToRFC1123(util.GetMapValue(option.Headers, "date", true))
}
} else {
if !util.MapContains(option.Headers, generateHeaderValidCompareFunc("x-bce-date")) {
option.Headers["x-bce-date"] = option.Timestamp
}
}
option.initialized = true
}
func (option *SignOption) AddHeader(key, value string) {
if option.Headers == nil {
option.Headers = make(map[string]string)
option.Headers[key] = value
}
if !util.MapContains(option.Headers, generateHeaderValidCompareFunc(key)) {
option.Headers[key] = value
}
}
func (req *Request) prepareHeaders(option *SignOption) {
req.SetHeaders(option.Headers)
if !util.MapContains(option.Headers, generateHeaderValidCompareFunc("host")) {
option.Headers["host"] = req.URL.Host
req.addHeader("Host", req.URL.Host)
}
host := req.Header.Get("Host")
if host != req.URL.Host {
req.setHeader("Host", req.URL.Host)
}
}