Add auth, rest api, svelte frontend, build structure

internal/auth/local.go

@@ -0,0 +1,47 @@
+// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+package auth
+
+import (
+	"fmt"
+	"log/slog"
+	"net/http"
+
+	"git.clustercockpit.org/moebiusband/go-http-skeleton/internal/repository"
+	"golang.org/x/crypto/bcrypt"
+)
+
+type LocalAuthenticator struct {
+	auth *Authentication
+}
+
+var _ Authenticator = (*LocalAuthenticator)(nil)
+
+func (la *LocalAuthenticator) Init() error {
+	return nil
+}
+
+func (la *LocalAuthenticator) CanLogin(
+	user *repository.AppUser,
+	username string,
+	rw http.ResponseWriter,
+	r *http.Request,
+) (*repository.AppUser, bool) {
+	return user, user != nil
+}
+
+func (la *LocalAuthenticator) Login(
+	user *repository.AppUser,
+	rw http.ResponseWriter,
+	r *http.Request,
+) (*repository.AppUser, error) {
+	if e := bcrypt.CompareHashAndPassword([]byte(*user.UserPass),
+		[]byte(r.FormValue("password"))); e != nil {
+		slog.Error("AUTH/LOCAL > Authentication for user failed!", "user", user.UserName)
+		return nil, fmt.Errorf("Authentication failed")
+	}
+
+	return user, nil
+}