Implement authentication system with login/logout functionality and session management

2 files changed, 51 insertions, 0 deletions

diff --git a/utils/auth/auth.go b/utils/auth/auth.go
new file mode 100644
index 0000000..5abb496
--- /dev/null
+++ b/utils/auth/auth.go
@@ -0,0 +1,46 @@
+package auth
+
+import (
+	"dove/session"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func IsAuthenticated(context *fiber.Ctx) bool {
+	activeSession, sessionError := session.Store.Get(context)
+	if sessionError != nil {
+		return false
+	}
+
+	return activeSession.Get(SESSION_AUTHENTICATED_KEY) != nil
+}
+
+func RequireAuthentication(handler fiber.Handler) fiber.Handler {
+	return func(context *fiber.Ctx) error {
+		switch IsAuthenticated(context) {
+		case true:
+			return handler(context)
+		default:
+			return fiber.ErrUnauthorized
+		}
+	}
+}
+
+func Authenticate(context *fiber.Ctx) error {
+	activeSession, sessionError := session.Store.Get(context)
+	if sessionError != nil {
+		return sessionError
+	}
+
+	activeSession.Set(SESSION_AUTHENTICATED_KEY, true)
+	return activeSession.Save()
+}
+
+func Deauthenticate(context *fiber.Ctx) error {
+	activeSession, sessionError := session.Store.Get(context)
+	if sessionError != nil {
+		return sessionError
+	}
+
+	return activeSession.Destroy()
+}
diff --git a/utils/auth/constants.go b/utils/auth/constants.go
new file mode 100644
index 0000000..99f5a85
--- /dev/null
+++ b/utils/auth/constants.go
@@ -0,0 +1,5 @@
+package auth
+
+const (
+	SESSION_AUTHENTICATED_KEY = "authenticated"
+)