Adding upstream version 2.52.6.

Signed-off-by: Daniel Baumann <daniel@debian.org>

middleware/encryptcookie/encryptcookie.go

@@ -0,0 +1,57 @@
+package encryptcookie
+
+import (
+	"github.com/gofiber/fiber/v2"
+
+	"github.com/valyala/fasthttp"
+)
+
+// New creates a new middleware handler
+func New(config ...Config) fiber.Handler {
+	// Set default config
+	cfg := configDefault(config...)
+
+	// Return new handler
+	return func(c *fiber.Ctx) error {
+		// Don't execute middleware if Next returns true
+		if cfg.Next != nil && cfg.Next(c) {
+			return c.Next()
+		}
+
+		// Decrypt request cookies
+		c.Request().Header.VisitAllCookie(func(key, value []byte) {
+			keyString := string(key)
+			if !isDisabled(keyString, cfg.Except) {
+				decryptedValue, err := cfg.Decryptor(string(value), cfg.Key)
+				if err != nil {
+					c.Request().Header.SetCookieBytesKV(key, nil)
+				} else {
+					c.Request().Header.SetCookie(string(key), decryptedValue)
+				}
+			}
+		})
+
+		// Continue stack
+		err := c.Next()
+
+		// Encrypt response cookies
+		c.Response().Header.VisitAllCookie(func(key, value []byte) {
+			keyString := string(key)
+			if !isDisabled(keyString, cfg.Except) {
+				cookieValue := fasthttp.Cookie{}
+				cookieValue.SetKeyBytes(key)
+				if c.Response().Header.Cookie(&cookieValue) {
+					encryptedValue, err := cfg.Encryptor(string(cookieValue.Value()), cfg.Key)
+					if err != nil {
+						panic(err)
+					}
+
+					cookieValue.SetValue(encryptedValue)
+					c.Response().Header.SetCookie(&cookieValue)
+				}
+			}
+		})
+
+		return err
+	}
+}