forked from mirrors/gotosocial
041c8e695e
* do cache-control in a less silly way to avoid writing header twice * add comment back in
67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package api
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import (
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"github.com/gin-gonic/gin"
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"github.com/superseriousbusiness/gotosocial/internal/api/fileserver"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/middleware"
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"github.com/superseriousbusiness/gotosocial/internal/processing"
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"github.com/superseriousbusiness/gotosocial/internal/router"
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)
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type Fileserver struct {
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fileserver *fileserver.Module
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}
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// maxAge returns an appropriate max-age value for the
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// storage method that's being used.
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//
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// The default max-age is very long to reflect that we
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// never host different files at the same URL (since
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// ULIDs are generated per piece of media), so we can
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// easily prevent clients having to fetch files repeatedly.
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//
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// If we're using non-proxying s3, however, the max age is
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// significantly shorter, to ensure that clients don't
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// cache redirect responses to expired pre-signed URLs.
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func maxAge() string {
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if config.GetStorageBackend() == "s3" && !config.GetStorageS3Proxy() {
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return "max-age=86400" // 24h
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}
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return "max-age=604800" // 7d
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}
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func (f *Fileserver) Route(r router.Router, m ...gin.HandlerFunc) {
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fileserverGroup := r.AttachGroup("fileserver")
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// attach middlewares appropriate for this group
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fileserverGroup.Use(m...)
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fileserverGroup.Use(middleware.CacheControl("private", maxAge()))
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f.fileserver.Route(fileserverGroup.Handle)
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}
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func NewFileserver(p processing.Processor) *Fileserver {
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return &Fileserver{
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fileserver: fileserver.New(p),
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}
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}
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