initial commit

Backend/middleware/auth_middleware.go

@@ -0,0 +1,32 @@
+package middleware
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/Uttkarsh-raj/To_Do_App/helpers"
+	"github.com/gin-gonic/gin"
+)
+
+func Authentication() gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		clientToken := ctx.Request.Header.Get("token")
+		if clientToken == "" {
+			ctx.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("No Authorization header provided.")})
+			ctx.Abort()
+			return
+		}
+		claims, err := helpers.ValidateToken(clientToken)
+		if err != "" {
+			ctx.JSON(http.StatusInternalServerError, gin.H{"error": err})
+			ctx.Abort()
+			return
+		}
+		ctx.Set("email", claims.Email)
+		ctx.Set("first_name", claims.First_name)
+		ctx.Set("last_name", claims.Last_name)
+		ctx.Set("uid", claims.Uid)
+
+		ctx.Next()
+	}
+}