gotosocial/internal/ap/resolve.go
tobi c54510bc74
[bugfix] Normalize status content (don't parse status content as IRI) (#1665)
* start fannying about

* finish up Normalize

* tidy up

* pin to tag

* move errors about just a little bit
2023-04-06 12:19:55 +01:00

119 lines
3.8 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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 ap
import (
"context"
"encoding/json"
"fmt"
"github.com/superseriousbusiness/activity/streams"
"github.com/superseriousbusiness/activity/streams/vocab"
)
// ResolveStatusable tries to resolve the given bytes into an ActivityPub Statusable representation.
// It will then perform normalization on the Statusable by calling NormalizeStatusable, so that
// callers don't need to bother doing extra steps.
//
// Works for: Article, Document, Image, Video, Note, Page, Event, Place, Profile
func ResolveStatusable(ctx context.Context, b []byte) (Statusable, error) {
rawStatusable := make(map[string]interface{})
if err := json.Unmarshal(b, &rawStatusable); err != nil {
return nil, fmt.Errorf("ResolveStatusable: error unmarshalling bytes into json: %w", err)
}
t, err := streams.ToType(ctx, rawStatusable)
if err != nil {
return nil, fmt.Errorf("ResolveStatusable: error resolving json into ap vocab type: %w", err)
}
var (
statusable Statusable
ok bool
)
switch t.GetTypeName() {
case ObjectArticle:
statusable, ok = t.(vocab.ActivityStreamsArticle)
case ObjectDocument:
statusable, ok = t.(vocab.ActivityStreamsDocument)
case ObjectImage:
statusable, ok = t.(vocab.ActivityStreamsImage)
case ObjectVideo:
statusable, ok = t.(vocab.ActivityStreamsVideo)
case ObjectNote:
statusable, ok = t.(vocab.ActivityStreamsNote)
case ObjectPage:
statusable, ok = t.(vocab.ActivityStreamsPage)
case ObjectEvent:
statusable, ok = t.(vocab.ActivityStreamsEvent)
case ObjectPlace:
statusable, ok = t.(vocab.ActivityStreamsPlace)
case ObjectProfile:
statusable, ok = t.(vocab.ActivityStreamsProfile)
}
if !ok {
err = fmt.Errorf("ResolveStatusable: could not resolve %T to Statusable", t)
return nil, newErrWrongType(err)
}
NormalizeStatusableContent(statusable, rawStatusable)
return statusable, nil
}
// ResolveStatusable tries to resolve the given bytes into an ActivityPub Accountable representation.
//
// Works for: Application, Group, Organization, Person, Service
func ResolveAccountable(ctx context.Context, b []byte) (Accountable, error) {
rawAccountable := make(map[string]interface{})
if err := json.Unmarshal(b, &rawAccountable); err != nil {
return nil, fmt.Errorf("ResolveAccountable: error unmarshalling bytes into json: %w", err)
}
t, err := streams.ToType(ctx, rawAccountable)
if err != nil {
return nil, fmt.Errorf("ResolveAccountable: error resolving json into ap vocab type: %w", err)
}
var (
accountable Accountable
ok bool
)
switch t.GetTypeName() {
case ActorApplication:
accountable, ok = t.(vocab.ActivityStreamsApplication)
case ActorGroup:
accountable, ok = t.(vocab.ActivityStreamsGroup)
case ActorOrganization:
accountable, ok = t.(vocab.ActivityStreamsOrganization)
case ActorPerson:
accountable, ok = t.(vocab.ActivityStreamsPerson)
case ActorService:
accountable, ok = t.(vocab.ActivityStreamsService)
}
if !ok {
err = fmt.Errorf("ResolveAccountable: could not resolve %T to Accountable", t)
return nil, newErrWrongType(err)
}
return accountable, nil
}