owncast/activitypub/apmodels/activity.go
2022-03-18 13:01:11 -07:00

94 lines
2.7 KiB
Go

package apmodels
import (
"net/url"
"time"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/owncast/owncast/core/data"
)
// PrivacyAudience represents the audience for an activity.
type PrivacyAudience = string
const (
// PUBLIC is an audience meaning anybody can view the item.
PUBLIC PrivacyAudience = "https://www.w3.org/ns/activitystreams#Public"
)
// MakeCreateActivity will return a new Create activity with the provided ID.
func MakeCreateActivity(activityID *url.URL) vocab.ActivityStreamsCreate {
activity := streams.NewActivityStreamsCreate()
id := streams.NewJSONLDIdProperty()
id.Set(activityID)
activity.SetJSONLDId(id)
// TO the public if we're not treating ActivityPub as "private".
if !data.GetFederationIsPrivate() {
public, _ := url.Parse(PUBLIC)
to := streams.NewActivityStreamsToProperty()
to.AppendIRI(public)
activity.SetActivityStreamsTo(to)
audience := streams.NewActivityStreamsAudienceProperty()
audience.AppendIRI(public)
activity.SetActivityStreamsAudience(audience)
}
return activity
}
// MakeUpdateActivity will return a new Update activity with the provided aID.
func MakeUpdateActivity(activityID *url.URL) vocab.ActivityStreamsUpdate {
activity := streams.NewActivityStreamsUpdate()
id := streams.NewJSONLDIdProperty()
id.Set(activityID)
activity.SetJSONLDId(id)
// CC the public if we're not treating ActivityPub as "private".
if !data.GetFederationIsPrivate() {
public, _ := url.Parse(PUBLIC)
cc := streams.NewActivityStreamsCcProperty()
cc.AppendIRI(public)
activity.SetActivityStreamsCc(cc)
}
return activity
}
// MakeNote will return a new Note object.
func MakeNote(text string, noteIRI *url.URL, attributedToIRI *url.URL) vocab.ActivityStreamsNote {
note := streams.NewActivityStreamsNote()
content := streams.NewActivityStreamsContentProperty()
content.AppendXMLSchemaString(text)
note.SetActivityStreamsContent(content)
id := streams.NewJSONLDIdProperty()
id.Set(noteIRI)
note.SetJSONLDId(id)
published := streams.NewActivityStreamsPublishedProperty()
published.Set(time.Now())
note.SetActivityStreamsPublished(published)
attributedTo := attributedToIRI
attr := streams.NewActivityStreamsAttributedToProperty()
attr.AppendIRI(attributedTo)
note.SetActivityStreamsAttributedTo(attr)
// To the public if we're not treating ActivityPub as "private".
if !data.GetFederationIsPrivate() {
public, _ := url.Parse(PUBLIC)
to := streams.NewActivityStreamsToProperty()
to.AppendIRI(public)
note.SetActivityStreamsTo(to)
audience := streams.NewActivityStreamsAudienceProperty()
audience.AppendIRI(public)
note.SetActivityStreamsAudience(audience)
}
return note
}