22 lines
497 B
Go
22 lines
497 B
Go
package middleware
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/labstack/echo/v4"
|
|
)
|
|
|
|
// CacheControl sets a Cache-Control header with a given max age.
|
|
func CacheControl(maxAge time.Duration) echo.MiddlewareFunc {
|
|
return func(next echo.HandlerFunc) echo.HandlerFunc {
|
|
return func(ctx echo.Context) error {
|
|
v := "no-cache, no-store"
|
|
if maxAge > 0 {
|
|
v = fmt.Sprintf("public, max-age=%.0f", maxAge.Seconds())
|
|
}
|
|
ctx.Response().Header().Set("Cache-Control", v)
|
|
return next(ctx)
|
|
}
|
|
}
|
|
}
|