feat: add web ui and dynamic private users

chfs-ng/internal/auth/auth.go

@@ -1,6 +1,8 @@
 package auth
 
 import (
+	"crypto/sha256"
+	"encoding/hex"
 	"fmt"
 	"strings"
 	"time"
@@ -43,8 +45,11 @@ type PathRule struct {
 }
 type Account struct {
 	Username, Password string
+	PasswordHash       string
 	Mask               PermMask
 	Rules              []PathRule
+	Home               string
+	Admin              bool
 }
 type Manager struct {
 	Accounts map[string]*Account
@@ -80,7 +85,7 @@ func ParseRules(values []string) (*Manager, error) {
 }
 
 func (m *Manager) Authenticate(user, pwd string) *Account {
-	if a, ok := m.Accounts[user]; ok && a.Password == pwd {
+	if a, ok := m.Accounts[user]; ok && (a.Password == pwd || a.PasswordHash == PasswordHash(pwd)) {
 		return a
 	}
 	if user == "" && pwd == "" {
@@ -88,6 +93,11 @@ func (m *Manager) Authenticate(user, pwd string) *Account {
 	}
 	return nil
 }
+func PasswordHash(password string) string {
+	h := sha256.Sum256([]byte(password))
+	return hex.EncodeToString(h[:])
+}
+
 func (a *Account) MaskFor(path string) PermMask {
 	return a.maskFor(path, false)
 }