GoToSocial/internal/federation/dereferencing/announce.go

90 lines
3.1 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2023 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 dereferencing
import (
"context"
"errors"
"fmt"
"net/url"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (d *deref) DereferenceAnnounce(ctx context.Context, announce *gtsmodel.Status, requestingUsername string) error {
if announce.BoostOf == nil {
// we can't do anything unfortunately
return errors.New("DereferenceAnnounce: no URI to dereference")
}
// Parse the boosted status' URI
boostedURI, err := url.Parse(announce.BoostOf.URI)
if err != nil {
return fmt.Errorf("DereferenceAnnounce: couldn't parse boosted status URI %s: %s", announce.BoostOf.URI, err)
}
// Check whether the originating status is from a blocked host
if blocked, err := d.db.IsDomainBlocked(ctx, boostedURI.Host); blocked || err != nil {
return fmt.Errorf("DereferenceAnnounce: domain %s is blocked", boostedURI.Host)
}
var boostedStatus *gtsmodel.Status
if boostedURI.Host == config.GetHost() {
// This is a local status, fetch from the database
status, err := d.db.GetStatusByURI(ctx, boostedURI.String())
if err != nil {
return fmt.Errorf("DereferenceAnnounce: error fetching local status %q: %v", announce.BoostOf.URI, err)
}
// Set boosted status
boostedStatus = status
} else {
// This is a boost of a remote status, we need to dereference it.
status, statusable, err := d.GetStatus(ctx, requestingUsername, boostedURI, true, true)
if err != nil {
return fmt.Errorf("DereferenceAnnounce: error dereferencing remote status with id %s: %s", announce.BoostOf.URI, err)
}
// Dereference all statuses in the thread of the boosted status
d.DereferenceThread(ctx, requestingUsername, boostedURI, status, statusable)
// Set boosted status
boostedStatus = status
}
announce.Content = boostedStatus.Content
announce.ContentWarning = boostedStatus.ContentWarning
announce.ActivityStreamsType = boostedStatus.ActivityStreamsType
announce.Sensitive = boostedStatus.Sensitive
announce.Language = boostedStatus.Language
announce.Text = boostedStatus.Text
announce.BoostOfID = boostedStatus.ID
announce.BoostOfAccountID = boostedStatus.AccountID
announce.Visibility = boostedStatus.Visibility
announce.Federated = boostedStatus.Federated
announce.Boostable = boostedStatus.Boostable
announce.Replyable = boostedStatus.Replyable
announce.Likeable = boostedStatus.Likeable
announce.BoostOf = boostedStatus
return nil
}