GoToSocial/internal/federation/federatingdb/inbox.go

82 lines
3.0 KiB
Go

/*
GoToSocial
Copyright (C) 2021 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 federatingdb
import (
"context"
"net/url"
"github.com/superseriousbusiness/activity/streams"
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/db"
)
// InboxContains returns true if the OrderedCollection at 'inbox'
// contains the specified 'id'.
//
// The library makes this call only after acquiring a lock first.
//
// Implementation note: we have our own logic for inboxes so always return false here.
func (f *federatingDB) InboxContains(c context.Context, inbox, id *url.URL) (contains bool, err error) {
return false, nil
}
// GetInbox returns the first ordered collection page of the outbox at
// the specified IRI, for prepending new items.
//
// The library makes this call only after acquiring a lock first.
//
// Implementation note: we don't (yet) serve inboxes, so just return empty and nil here.
func (f *federatingDB) GetInbox(c context.Context, inboxIRI *url.URL) (inbox vocab.ActivityStreamsOrderedCollectionPage, err error) {
return streams.NewActivityStreamsOrderedCollectionPage(), nil
}
// SetInbox saves the inbox value given from GetInbox, with new items
// prepended. Note that the new items must not be added as independent
// database entries. Separate calls to Create will do that.
//
// The library makes this call only after acquiring a lock first.
//
// Implementation note: we don't allow inbox setting so just return nil here.
func (f *federatingDB) SetInbox(c context.Context, inbox vocab.ActivityStreamsOrderedCollectionPage) error {
return nil
}
// InboxForActor fetches the inbox corresponding to the given actorIRI.
//
// It is acceptable to just return nil for the inboxIRI. In this case, the library will
// attempt to resolve the inbox of the actor by remote dereferencing instead.
//
// The library makes this call only after acquiring a lock first.
func (f *federatingDB) InboxForActor(c context.Context, actorIRI *url.URL) (inboxIRI *url.URL, err error) {
account, err := f.db.GetAccountByURI(c, actorIRI.String())
if err != nil {
// if there are just no entries for this account yet it's fine, return nil
// and go-fed will try to dereference it instead
if err == db.ErrNoEntries {
return nil, nil
}
// there's been an actual error...
return nil, err
}
// we got it!
return url.Parse(account.InboxURI)
}