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gotosocial/internal/middleware/cachecontrol.go

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1.2 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package middleware
import (
"strings"
"github.com/gin-gonic/gin"
)
// CacheControl returns a new gin middleware which allows callers to control cache settings on response headers.
//
// For directives, see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
func CacheControl(directives ...string) gin.HandlerFunc {
ccHeader := strings.Join(directives, ", ")
return func(c *gin.Context) {
c.Header("Cache-Control", ccHeader)
}
}