mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 06:02:26 -05:00
69 lines
2.4 KiB
Go
69 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 dereferencing
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"net/url"
|
|
|
|
"github.com/superseriousbusiness/activity/streams"
|
|
"github.com/superseriousbusiness/activity/streams/vocab"
|
|
"github.com/superseriousbusiness/gotosocial/internal/ap"
|
|
)
|
|
|
|
// DereferenceCollectionPage returns the activitystreams CollectionPage at the specified IRI, or an error if something goes wrong.
|
|
func (d *deref) DereferenceCollectionPage(ctx context.Context, username string, pageIRI *url.URL) (ap.CollectionPageable, error) {
|
|
if blocked, err := d.db.IsDomainBlocked(ctx, pageIRI.Host); blocked || err != nil {
|
|
return nil, fmt.Errorf("DereferenceCollectionPage: domain %s is blocked", pageIRI.Host)
|
|
}
|
|
|
|
transport, err := d.transportController.NewTransportForUsername(ctx, username)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("DereferenceCollectionPage: error creating transport: %s", err)
|
|
}
|
|
|
|
b, err := transport.Dereference(ctx, pageIRI)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("DereferenceCollectionPage: error deferencing %s: %s", pageIRI.String(), err)
|
|
}
|
|
|
|
m := make(map[string]interface{})
|
|
if err := json.Unmarshal(b, &m); err != nil {
|
|
return nil, fmt.Errorf("DereferenceCollectionPage: error unmarshalling bytes into json: %s", err)
|
|
}
|
|
|
|
t, err := streams.ToType(ctx, m)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("DereferenceCollectionPage: error resolving json into ap vocab type: %s", err)
|
|
}
|
|
|
|
if t.GetTypeName() != ap.ObjectCollectionPage {
|
|
return nil, fmt.Errorf("DereferenceCollectionPage: type name %s not supported", t.GetTypeName())
|
|
}
|
|
|
|
p, ok := t.(vocab.ActivityStreamsCollectionPage)
|
|
if !ok {
|
|
return nil, errors.New("DereferenceCollectionPage: error resolving type as activitystreams collection page")
|
|
}
|
|
|
|
return p, nil
|
|
}
|