Allow adding users to rooms

middlewares/requireAuth.go

@@ -4,6 +4,7 @@ import(
 	"os"
 	"fmt"
 	"time"
+	"strconv"
 	"net/http"
 	"github.com/gin-gonic/gin"
 	"github.com/golang-jwt/jwt/v5"
@@ -16,6 +17,32 @@ type AuthValidator struct {
 	DB *gorm.DB
 }
 
+func (av *AuthValidator) RequireRoomAdmin(c *gin.Context) {
+	user, exists := c.Get("user")
+	if !exists {
+		c.AbortWithStatus(http.StatusUnauthorized)
+		return
+	}
+
+	roomId, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{ "message": fmt.Sprintf("Room with Id '%s' does not exist", c.Param("id"))})
+		return
+	}
+
+	var rooms []models.Room
+	av.DB.Model(&user).Association("OwnedRooms").Find(&rooms)
+
+	for _, room := range rooms {
+		if room.ID == uint(roomId) {
+			c.Next()
+			return
+		}
+	}
+
+	c.AbortWithStatus(http.StatusUnauthorized)
+}
+
 func (av *AuthValidator) RequireAuth(c *gin.Context) {
 	// Get Cookie
 	tokenString, err := c.Cookie("Authorization")
@@ -68,3 +95,43 @@ func (av *AuthValidator) RequireAuth(c *gin.Context) {
 	
 	c.AbortWithStatus(http.StatusUnauthorized)
 }
+
+func (av *AuthValidator) OptionalAuth(c *gin.Context) {
+	defer c.Next()
+
+	// Get Cookie
+	tokenString, err := c.Cookie("Authorization")
+
+	if err != nil {
+		return
+	}
+
+	//Validate
+	token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
+		}
+		return []byte(os.Getenv("SECRET")), nil
+	})
+
+	if err != nil {
+		return
+	}
+	
+	if claims, ok := token.Claims.(jwt.MapClaims); ok {
+		if float64(time.Now().Unix()) > claims["exp"].(float64) {
+			return
+		}
+		
+		//Find user
+		var user models.User
+		result := av.DB.First(&user, claims["sub"])
+
+		if result.Error != nil {
+			return
+		}
+	
+		//Attach to req
+		c.Set("user", user)
+	}
+}