package main
import (
+ "errors"
"io/ioutil"
"log"
"strings"
)
+var passwords map[string]Auther = make(map[string]Auther)
+
+type Auther interface {
+ Auth(password string) bool
+}
+
+func strToAuther(verifier string) (string, Auther, error) {
+ st := strings.SplitN(verifier, "$", 3)
+ if len(st) != 3 || st[0] != "" {
+ return "", nil, errors.New("invalid verifier structure")
+ }
+ algorithm := st[1]
+ var auther Auther
+ var err error
+ switch algorithm {
+ case "argon2i":
+ auther, err = parseArgon2i(st[2])
+ case "sha256":
+ auther, err = parseSHA256(st[2])
+ default:
+ err = errors.New("unknown hashing algorithm")
+ }
+ return algorithm, auther, err
+}
+
func refreshPasswd() {
passwd, err := ioutil.ReadFile(*passwdPath)
if err != nil {
}
passwordsNew := make(map[string]Auther)
for i, credentials := range strings.Split(strings.TrimRight(string(passwd), "\n"), "\n") {
+ if len(credentials) == 0 || strings.HasPrefix(credentials, "#") {
+ continue
+ }
splitted := strings.Split(credentials, ":")
if len(splitted) != 2 {
log.Fatalf("%s:%d: Wrong login:password format", *passwdPath, i)