feat: Added basic user authorization

modules/auth/plain.go

@@ -0,0 +1,36 @@
+package auth
+
+import (
+	"git.ostiwe.com/ostiwe-com/status/modules/jwt"
+	"git.ostiwe.com/ostiwe-com/status/repository"
+	"golang.org/x/crypto/bcrypt"
+)
+
+type Module struct {
+	userRepository repository.User
+}
+
+func New() Module {
+	return Module{
+		userRepository: repository.NewUserRepository(),
+	}
+}
+
+func (m *Module) Proceed(login, password string) (*string, error) {
+	lightweightUser, err := m.userRepository.FindByLogin(login)
+	if err != nil {
+		return nil, err
+	}
+
+	err = bcrypt.CompareHashAndPassword([]byte(lightweightUser.Password), []byte(password))
+	if err != nil {
+		return nil, err
+	}
+
+	jwtString, err := jwt.CreateByUser(lightweightUser)
+	if err != nil {
+		return nil, err
+	}
+
+	return &jwtString, nil
+}