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package middleware
import (
"github.com/labstack/echo/v4"
)
type VaryConfig struct {
Vary []string
}
func VaryCookie() echo.MiddlewareFunc {
return VaryWithConfig(VaryConfig{Vary: []string{"Cookie"}})
}
func VaryWithConfig(cfg VaryConfig) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
for _, v := range cfg.Vary {
c.Response().Header().Add(echo.HeaderVary, v)
}
return next(c)
}
}
}
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