GoToSocial/internal/api/client/fileserver/fileserver.go

65 lines
2.4 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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 fileserver
import (
"fmt"
"net/http"
"github.com/superseriousbusiness/gotosocial/internal/api"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/router"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
const (
// FileServeBasePath forms the first part of the fileserver path.
FileServeBasePath = "/" + uris.FileserverPath
// AccountIDKey is the url key for account id (an account ulid)
AccountIDKey = "account_id"
// MediaTypeKey is the url key for media type (usually something like attachment or header etc)
MediaTypeKey = "media_type"
// MediaSizeKey is the url key for the desired media size--original/small/static
MediaSizeKey = "media_size"
// FileNameKey is the actual filename being sought. Will usually be a UUID then something like .jpeg
FileNameKey = "file_name"
)
// FileServer implements the RESTAPIModule interface.
// The goal here is to serve requested media files if the gotosocial server is configured to use local storage.
type FileServer struct {
processor processing.Processor
}
// New returns a new fileServer module
func New(processor processing.Processor) api.ClientModule {
return &FileServer{
processor: processor,
}
}
// Route satisfies the RESTAPIModule interface
func (m *FileServer) Route(s router.Router) error {
// something like "/fileserver/:account_id/:media_type/:media_size/:file_name"
fileServePath := fmt.Sprintf("%s/:%s/:%s/:%s/:%s", FileServeBasePath, AccountIDKey, MediaTypeKey, MediaSizeKey, FileNameKey)
s.AttachHandler(http.MethodGet, fileServePath, m.ServeFile)
s.AttachHandler(http.MethodHead, fileServePath, m.ServeFile)
return nil
}