Init and optimizations

racc_session/racc_session.go

@@ -0,0 +1,101 @@
+package racc_session
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type contextKey string
+
+const SessionKey contextKey = "session_id"
+
+/* Default Session Expiration */
+var SessionDuration time.Duration = 24 * 60 * time.Minute
+
+// SessionMiddleware überprüft, ob ein Session-Cookie vorhanden ist,
+// und erstellt bei Bedarf eine neue SessionID.
+func SessionMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		cookie, err := r.Cookie("session_id")
+		if err != nil || cookie.Value == "" {
+			// Erstelle eine neue SessionID
+			sessionID := uuid.New().String()
+			// Erstelle Time to Expire
+			///now := time.Now()
+			// Ablaufzeit in 60 Minuten
+			///expiration := now.Local().Add(SessionDuration)
+			// Speichere die SessionID in einem Cookie
+			http.SetCookie(w, &http.Cookie{
+				Name:  "session_id",
+				Value: sessionID,
+				Path:  "/",
+				///Expires: expiration,
+				// Optional: Setze weitere Cookie-Attribute wie Secure, HttpOnly, etc.
+			})
+			// Setze die SessionID im Kontext des Requests
+			r = r.WithContext(context.WithValue(r.Context(), SessionKey, sessionID))
+		} else {
+			// Setze die vorhandene SessionID im Kontext des Requests
+			r = r.WithContext(context.WithValue(r.Context(), SessionKey, cookie.Value))
+		}
+		next.ServeHTTP(w, r)
+	})
+}
+
+type SessionItem struct {
+	Key   string
+	Value string
+}
+
+var SessionStore = map[string][]SessionItem{}
+
+func AddOrUpdateSessionItem(sessionID string, item SessionItem) {
+	if items, exists := SessionStore[sessionID]; exists {
+		for i, existingItem := range items {
+			if existingItem.Key == item.Key {
+				SessionStore[sessionID][i].Value = item.Value
+				return
+			}
+		}
+		SessionStore[sessionID] = append(items, item)
+	} else {
+		SessionStore[sessionID] = []SessionItem{item}
+	}
+	/*jsonstore, err := json.Marshal(SessionStore)
+	if err != nil {
+		panic("LOL")
+	}
+	fmt.Println(string(jsonstore))*/
+}
+
+func RemoveSessionItem(sessionID string, keyToRemove string) {
+	if items, exists := SessionStore[sessionID]; exists {
+		updatedItems := []SessionItem{}
+		for _, item := range items {
+			if item.Key != keyToRemove {
+				updatedItems = append(updatedItems, item)
+			}
+		}
+		if len(updatedItems) == 0 {
+			delete(SessionStore, sessionID)
+		} else {
+			SessionStore[sessionID] = updatedItems
+		}
+	}
+}
+
+func GetSessionItem(sessionID string, keyToInspect string) string {
+	if items, exists := SessionStore[sessionID]; exists {
+		for i, existingItem := range items {
+			if existingItem.Key == keyToInspect {
+				return SessionStore[sessionID][i].Value
+			}
+		}
+		return ""
+	} else {
+		return ""
+	}
+}