/*
GoCheese -- Python private package repository and caching proxy
-Copyright (C) 2019 Sergey Matveev <stargrave@stargrave.org>
- 2019 Elena Balakhonova <balakhonova_e@riseup.net>
+Copyright (C) 2019-2020 Sergey Matveev <stargrave@stargrave.org>
+ 2019-2020 Elena Balakhonova <balakhonova_e@riseup.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
package main
import (
+ "errors"
"io/ioutil"
"log"
+ "os"
"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 os.IsNotExist(err) {
+ return
+ }
if err != nil {
log.Fatal(err)
}
+ 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)
}
login := splitted[0]
- if _, exists := passwords[login]; exists {
+ if _, exists := passwordsNew[login]; exists {
log.Fatalf("%s:%d: %s: already exists", *passwdPath, i, login)
}
_, auther, err := strToAuther(splitted[1])
if err != nil {
log.Fatalf("%s:%d: %s: %s", *passwdPath, i, login, err)
}
- passwords[login] = auther
- log.Println("Added password for " + login)
+ passwordsNew[login] = auther
+ log.Println("added password for " + login)
}
+ passwords = passwordsNew
}