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https://github.com/superseriousbusiness/gotosocial.git
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5e2bf0bdca
* [chore] Remove years from all license headers Years or year ranges aren't required in license headers. Many projects have removed them in recent years and it avoids a bit of yearly toil. In many cases our copyright claim was also a bit dodgy since we added the 2021-2023 header to files created after 2021 but you can't claim copyright into the past that way. * [chore] Add license header check This ensures a license header is always added to any new file. This avoids maintainers/reviewers needing to remember to check for and ask for it in case a contribution doesn't include it. * [chore] Add missing license headers * [chore] Further updates to license header * Use the more common // indentend comment format * Remove the hack we had for the linter now that we use the // format * Add SPDX license identifier
68 lines
2.5 KiB
Go
68 lines
2.5 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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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/superseriousbusiness/activity/streams"
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"github.com/superseriousbusiness/activity/streams/vocab"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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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(ctx, 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(ctx, 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() != ap.ObjectCollectionPage {
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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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