githubmirror/gogs

internal/authx/basic.go

31 строка669 B

ᴊᴏᴇ ᴄʜᴇɴ

all: rename packages ending with "util" to end with "x" (#8182)

16 фев 2026, 21:25

16 фев 2026, 21:2536d56d5

package authx

import (
	"encoding/base64"
	"net/http"
	"strings"
)

// DecodeBasic extracts username and password from given header using HTTP Basic Auth.
// It returns empty strings if values are not presented or not valid.
func DecodeBasic(header http.Header) (username, password string) {
	if len(header) == 0 {
		return "", ""
	}

	fields := strings.Fields(header.Get("Authorization"))
	if len(fields) != 2 || fields[0] != "Basic" {
		return "", ""
	}

	p, err := base64.StdEncoding.DecodeString(fields[1])
	if err != nil {
		return "", ""
	}

	creds := strings.SplitN(string(p), ":", 2)
	if len(creds) == 1 {
		return creds[0], ""
	}
	return creds[0], creds[1]
}