119 lines
3.8 KiB
Go
119 lines
3.8 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 ap
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/superseriousbusiness/activity/streams"
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"github.com/superseriousbusiness/activity/streams/vocab"
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)
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// ResolveStatusable tries to resolve the given bytes into an ActivityPub Statusable representation.
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// It will then perform normalization on the Statusable by calling NormalizeStatusable, so that
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// callers don't need to bother doing extra steps.
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//
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// Works for: Article, Document, Image, Video, Note, Page, Event, Place, Profile
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func ResolveStatusable(ctx context.Context, b []byte) (Statusable, error) {
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rawStatusable := make(map[string]interface{})
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if err := json.Unmarshal(b, &rawStatusable); err != nil {
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return nil, fmt.Errorf("ResolveStatusable: error unmarshalling bytes into json: %w", err)
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}
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t, err := streams.ToType(ctx, rawStatusable)
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if err != nil {
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return nil, fmt.Errorf("ResolveStatusable: error resolving json into ap vocab type: %w", err)
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}
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var (
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statusable Statusable
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ok bool
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)
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switch t.GetTypeName() {
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case ObjectArticle:
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statusable, ok = t.(vocab.ActivityStreamsArticle)
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case ObjectDocument:
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statusable, ok = t.(vocab.ActivityStreamsDocument)
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case ObjectImage:
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statusable, ok = t.(vocab.ActivityStreamsImage)
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case ObjectVideo:
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statusable, ok = t.(vocab.ActivityStreamsVideo)
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case ObjectNote:
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statusable, ok = t.(vocab.ActivityStreamsNote)
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case ObjectPage:
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statusable, ok = t.(vocab.ActivityStreamsPage)
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case ObjectEvent:
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statusable, ok = t.(vocab.ActivityStreamsEvent)
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case ObjectPlace:
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statusable, ok = t.(vocab.ActivityStreamsPlace)
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case ObjectProfile:
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statusable, ok = t.(vocab.ActivityStreamsProfile)
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}
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if !ok {
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err = fmt.Errorf("ResolveStatusable: could not resolve %T to Statusable", t)
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return nil, newErrWrongType(err)
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}
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NormalizeStatusableContent(statusable, rawStatusable)
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return statusable, nil
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}
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// ResolveStatusable tries to resolve the given bytes into an ActivityPub Accountable representation.
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//
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// Works for: Application, Group, Organization, Person, Service
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func ResolveAccountable(ctx context.Context, b []byte) (Accountable, error) {
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rawAccountable := make(map[string]interface{})
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if err := json.Unmarshal(b, &rawAccountable); err != nil {
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return nil, fmt.Errorf("ResolveAccountable: error unmarshalling bytes into json: %w", err)
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}
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t, err := streams.ToType(ctx, rawAccountable)
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if err != nil {
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return nil, fmt.Errorf("ResolveAccountable: error resolving json into ap vocab type: %w", err)
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}
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var (
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accountable Accountable
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ok bool
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)
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switch t.GetTypeName() {
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case ActorApplication:
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accountable, ok = t.(vocab.ActivityStreamsApplication)
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case ActorGroup:
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accountable, ok = t.(vocab.ActivityStreamsGroup)
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case ActorOrganization:
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accountable, ok = t.(vocab.ActivityStreamsOrganization)
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case ActorPerson:
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accountable, ok = t.(vocab.ActivityStreamsPerson)
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case ActorService:
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accountable, ok = t.(vocab.ActivityStreamsService)
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}
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if !ok {
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err = fmt.Errorf("ResolveAccountable: could not resolve %T to Accountable", t)
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return nil, newErrWrongType(err)
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}
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return accountable, nil
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}
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