mirror of
https://github.com/superseriousbusiness/gotosocial.git
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2dc9fc1626
* start moving to bun * changing more stuff * more * and yet more * tests passing * seems stable now * more big changes * small fix * little fixes
71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package dereferencing
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/url"
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"github.com/go-fed/activity/streams"
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"github.com/go-fed/activity/streams/vocab"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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)
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// DereferenceCollectionPage returns the activitystreams CollectionPage at the specified IRI, or an error if something goes wrong.
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func (d *deref) DereferenceCollectionPage(ctx context.Context, username string, pageIRI *url.URL) (ap.CollectionPageable, error) {
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if blocked, err := d.db.IsDomainBlocked(ctx, pageIRI.Host); blocked || err != nil {
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return nil, fmt.Errorf("DereferenceCollectionPage: domain %s is blocked", pageIRI.Host)
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}
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transport, err := d.transportController.NewTransportForUsername(ctx, username)
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if err != nil {
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return nil, fmt.Errorf("DereferenceCollectionPage: error creating transport: %s", err)
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}
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b, err := transport.Dereference(context.Background(), pageIRI)
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if err != nil {
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return nil, fmt.Errorf("DereferenceCollectionPage: error deferencing %s: %s", pageIRI.String(), err)
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}
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m := make(map[string]interface{})
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if err := json.Unmarshal(b, &m); err != nil {
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return nil, fmt.Errorf("DereferenceCollectionPage: error unmarshalling bytes into json: %s", err)
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}
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t, err := streams.ToType(context.Background(), m)
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if err != nil {
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return nil, fmt.Errorf("DereferenceCollectionPage: error resolving json into ap vocab type: %s", err)
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}
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if t.GetTypeName() != gtsmodel.ActivityStreamsCollectionPage {
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return nil, fmt.Errorf("DereferenceCollectionPage: type name %s not supported", t.GetTypeName())
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}
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p, ok := t.(vocab.ActivityStreamsCollectionPage)
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if !ok {
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return nil, errors.New("DereferenceCollectionPage: error resolving type as activitystreams collection page")
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}
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return p, nil
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}
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