cachecontrol.go (1247B)
1 // GoToSocial 2 // Copyright (C) GoToSocial Authors admin@gotosocial.org 3 // SPDX-License-Identifier: AGPL-3.0-or-later 4 // 5 // This program is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU Affero General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // This program is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU Affero General Public License for more details. 14 // 15 // You should have received a copy of the GNU Affero General Public License 16 // along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18 package middleware 19 20 import ( 21 "strings" 22 23 "github.com/gin-gonic/gin" 24 ) 25 26 // CacheControl returns a new gin middleware which allows callers to control cache settings on response headers. 27 // 28 // For directives, see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control 29 func CacheControl(directives ...string) gin.HandlerFunc { 30 ccHeader := strings.Join(directives, ", ") 31 return func(c *gin.Context) { 32 c.Header("Cache-Control", ccHeader) 33 } 34 }