gotosocial/internal/transport/dereference.go
tobi e63b653199
[performance] Add dereference shortcuts to avoid making http calls to self (#430)
* update transport (controller) to allow shortcuts

* go fmt

* expose underlying sig transport to allow test sigs
2022-03-15 15:01:19 +01:00

51 lines
1.8 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 transport
import (
"context"
"net/url"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
func (t *transport) Dereference(ctx context.Context, iri *url.URL) ([]byte, error) {
l := logrus.WithField("func", "Dereference")
// if the request is to us, we can shortcut for certain URIs rather than going through
// the normal request flow, thereby saving time and energy
if iri.Host == viper.GetString(config.Keys.Host) {
if uris.IsFollowersPath(iri) {
// the request is for followers of one of our accounts, which we can shortcut
return t.dereferenceFollowersShortcut(ctx, iri)
}
if uris.IsUserPath(iri) {
// the request is for one of our accounts, which we can shortcut
return t.dereferenceUserShortcut(ctx, iri)
}
}
// the request is either for a remote host or for us but we don't have a shortcut, so continue as normal
l.Debugf("performing GET to %s", iri.String())
return t.sigTransport.Dereference(ctx, iri)
}