Function NewSourceIPs

middleware/source_ips.go:48–62

NewSourceIPs creates a new SourceIPs

(header, regex string, extractAllHosts bool)

// NewSourceIPs creates a new SourceIPs
func NewSourceIPs(header, regex string, extractAllHosts bool) (*SourceIPExtractor, error) {
	if (header == "" && regex != "") || (header != "" && regex == "") {
		return nil, fmt.Errorf("either both a header field and a regex have to be given or neither")
	}
	re, err := regexp.Compile(regex)
	if err != nil {
		return nil, fmt.Errorf("invalid regex given")
	}

	return &SourceIPExtractor{
		header:          header,
		regex:           re,
		extractAllHosts: extractAllHosts,
	}, nil
}

// extractHost returns the Host IP address without any port information
func extractHost(address string) string {