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pkg/vault/middleware/cache.go

@@ -0,0 +1,38 @@
+package middleware
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/labstack/echo/v4"
+	"github.com/patrickmn/go-cache"
+)
+
+var ccref *cacheStore
+
+func CacheStores(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		if ccref == nil {
+			initCacheStore()
+		}
+		return next(c)
+	}
+}
+
+type cacheStore struct {
+	Challenges *cache.Cache
+	Paths      *cache.Cache
+	CIDs       *cache.Cache
+}
+
+func initCacheStore() {
+	ccref = &cacheStore{
+		Challenges: cache.New(5*time.Minute, 10*time.Minute),
+		Paths:      cache.New(30*time.Minute, 1*time.Hour),
+		CIDs:       cache.New(30*time.Minute, 1*time.Hour),
+	}
+}
+
+func cacheKey(e echo.Context, key string) string {
+	return fmt.Sprintf(SessionID(e), ".", key)
+}