39 lines
720 B
Go
39 lines
720 B
Go
package utils
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import (
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"errors"
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"fmt"
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"net"
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"net/http"
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"strings"
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)
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func GetFirstLanIP() (string, error) {
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addresses, err := net.InterfaceAddrs()
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if err != nil {
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return "", err
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}
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if len(addresses) == 0 {
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return "", errors.New("empty interfaces")
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}
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for _, addr := range addresses {
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if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String(), nil
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}
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}
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}
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return "", errors.New("no valid interfaces")
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}
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func DumpHeaders(h http.Header) string {
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var lines []string
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for name, values := range h {
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for _, value := range values {
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lines = append(lines, fmt.Sprintf("%s: %s", name, value))
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}
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}
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return strings.Join(lines, "\n")
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}
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