feature add key auth #35 add auth

src/middleware/auth.go

@@ -0,0 +1,20 @@
+package middleware
+
+import (
+	"github.com/kynmh69/go-ja-holidays/model"
+	"github.com/labstack/echo/v4"
+	mid "github.com/labstack/echo/v4/middleware"
+)
+
+func Auth() echo.MiddlewareFunc {
+	return mid.KeyAuthWithConfig(mid.KeyAuthConfig{
+		KeyLookup: "header:X-API-KEY",
+		Validator: func(auth string, c echo.Context) (bool, error) {
+			apiKey, err := model.GetApiKey(auth)
+			if err != nil {
+				return false, err
+			}
+			return auth == apiKey.Key, nil
+		},
+	})
+}

src/middleware/common.go

@@ -13,4 +13,5 @@ func SetMiddleware(e *echo.Echo) {
 	e.Use(mid.Recover())
 	e.Use(mid.RequestID())
 	// e.Use(Redirect())
+	e.Use(Auth())
 }

src/model/api_key.go

@@ -26,6 +26,13 @@ func GetApiKeys() ([]ApiKey, error) {
 	return apiKeys, err
 }
 
+func GetApiKey(key string) (ApiKey, error) {
+	var apiKey ApiKey
+	db := database.GetDbConnection()
+	_, err := db.From(TABLE_API_KEY).Where(goqu.C(COLUMN_KEY).Eq(key)).ScanStruct(&apiKey)
+	return apiKey, err
+}
+
 func CreateApiKey(c echo.Context) error {
 	logger := c.Logger()
 	key := uuid.New()