start converting statuses to AS

This commit is contained in:
tsmethurst 2021-05-20 17:57:05 +02:00
parent 3623205fd7
commit cc0262055a
3 changed files with 198 additions and 64 deletions

View File

@ -24,7 +24,6 @@ import (
"fmt"
"net/url"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
@ -66,16 +65,20 @@ func (p *processor) processFromClientAPI(clientMsg gtsmodel.FromClientAPI) error
// UPDATE
case gtsmodel.ActivityStreamsAccept:
// ACCEPT
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("accept was not parseable as *gtsmodel.Follow")
switch clientMsg.APObjectType {
case gtsmodel.ActivityStreamsFollow:
// ACCEPT FOLLOW
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("accept was not parseable as *gtsmodel.Follow")
}
return p.federateAcceptFollowRequest(follow, clientMsg.OriginAccount, clientMsg.TargetAccount)
}
return p.federateAcceptFollowRequest(follow)
case gtsmodel.ActivityStreamsUndo:
// UNDO
switch clientMsg.APObjectType {
// UNDO FOLLOW
case gtsmodel.ActivityStreamsFollow:
// UNDO FOLLOW
follow, ok := clientMsg.GTSModel.(*gtsmodel.Follow)
if !ok {
return errors.New("undo was not parseable as *gtsmodel.Follow")
@ -114,6 +117,11 @@ func (p *processor) federateStatus(status *gtsmodel.Status) error {
}
func (p *processor) federateFollow(follow *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
asFollow, err := p.tc.FollowToAS(follow, originAccount, targetAccount)
if err != nil {
return fmt.Errorf("federateFollow: error converting follow to as format: %s", err)
@ -129,6 +137,11 @@ func (p *processor) federateFollow(follow *gtsmodel.Follow, originAccount *gtsmo
}
func (p *processor) federateUnfollow(follow *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
// recreate the follow
asFollow, err := p.tc.FollowToAS(follow, originAccount, targetAccount)
if err != nil {
@ -164,75 +177,52 @@ func (p *processor) federateUnfollow(follow *gtsmodel.Follow, originAccount *gts
return err
}
func (p *processor) federateAcceptFollowRequest(follow *gtsmodel.Follow) error {
// TODO: tidy up this whole function -- move most of the logic for the conversion to the type converter because this is just a mess! Shame on me!
followAccepter := &gtsmodel.Account{}
if err := p.db.GetByID(follow.TargetAccountID, followAccepter); err != nil {
return fmt.Errorf("error federating follow accept: %s", err)
func (p *processor) federateAcceptFollowRequest(follow *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) error {
// if both accounts are local there's nothing to do here
if originAccount.Domain == "" && targetAccount.Domain == "" {
return nil
}
followAccepterIRI, err := url.Parse(followAccepter.URI)
// recreate the AS follow
asFollow, err := p.tc.FollowToAS(follow, originAccount, targetAccount)
if err != nil {
return fmt.Errorf("error parsing URL: %s", err)
return fmt.Errorf("federateUnfollow: error converting follow to as format: %s", err)
}
followAccepterOutboxIRI, err := url.Parse(followAccepter.OutboxURI)
acceptingAccountURI, err := url.Parse(targetAccount.URI)
if err != nil {
return fmt.Errorf("error parsing URL: %s", err)
return fmt.Errorf("error parsing uri %s: %s", targetAccount.URI, err)
}
me := streams.NewActivityStreamsActorProperty()
me.AppendIRI(followAccepterIRI)
followRequester := &gtsmodel.Account{}
if err := p.db.GetByID(follow.AccountID, followRequester); err != nil {
return fmt.Errorf("error federating follow accept: %s", err)
}
requesterIRI, err := url.Parse(followRequester.URI)
requestingAccountURI, err := url.Parse(originAccount.URI)
if err != nil {
return fmt.Errorf("error parsing URL: %s", err)
return fmt.Errorf("error parsing uri %s: %s", targetAccount.URI, err)
}
them := streams.NewActivityStreamsActorProperty()
them.AppendIRI(requesterIRI)
// prepare the follow
ASFollow := streams.NewActivityStreamsFollow()
// set the follow requester as the actor
ASFollow.SetActivityStreamsActor(them)
// set the ID from the follow
ASFollowURI, err := url.Parse(follow.URI)
// create an Accept
accept := streams.NewActivityStreamsAccept()
// set the accepting actor on it
acceptActorProp := streams.NewActivityStreamsActorProperty()
acceptActorProp.AppendIRI(acceptingAccountURI)
accept.SetActivityStreamsActor(acceptActorProp)
// Set the recreated follow as the 'object' property.
acceptObject := streams.NewActivityStreamsObjectProperty()
acceptObject.AppendActivityStreamsFollow(asFollow)
accept.SetActivityStreamsObject(acceptObject)
// Set the To of the accept as the originator of the follow
acceptTo := streams.NewActivityStreamsToProperty()
acceptTo.AppendIRI(requestingAccountURI)
accept.SetActivityStreamsTo(acceptTo)
outboxIRI, err := url.Parse(targetAccount.OutboxURI)
if err != nil {
return fmt.Errorf("error parsing URL: %s", err)
return fmt.Errorf("federateAcceptFollowRequest: error parsing outboxURI %s: %s", originAccount.OutboxURI, err)
}
ASFollowIDProp := streams.NewJSONLDIdProperty()
ASFollowIDProp.SetIRI(ASFollowURI)
ASFollow.SetJSONLDId(ASFollowIDProp)
// set the object as the accepter URI
ASFollowObjectProp := streams.NewActivityStreamsObjectProperty()
ASFollowObjectProp.AppendIRI(followAccepterIRI)
// Prepare the response.
ASAccept := streams.NewActivityStreamsAccept()
// Set us as the 'actor'.
ASAccept.SetActivityStreamsActor(me)
// Set the Follow as the 'object' property.
ASAcceptObject := streams.NewActivityStreamsObjectProperty()
ASAcceptObject.AppendActivityStreamsFollow(ASFollow)
ASAccept.SetActivityStreamsObject(ASAcceptObject)
// Add all actors on the original Follow to the 'to' property.
ASAcceptTo := streams.NewActivityStreamsToProperty()
followActors := ASFollow.GetActivityStreamsActor()
for iter := followActors.Begin(); iter != followActors.End(); iter = iter.Next() {
id, err := pub.ToId(iter)
if err != nil {
return err
}
ASAcceptTo.AppendIRI(id)
}
ASAccept.SetActivityStreamsTo(ASAcceptTo)
_, err = p.federator.FederatingActor().Send(context.Background(), followAccepterOutboxIRI, ASAccept)
// send off the accept using the accepter's outbox
_, err = p.federator.FederatingActor().Send(context.Background(), outboxIRI, accept)
return err
}

View File

@ -26,6 +26,10 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
const (
asPublicURI = "https://www.w3.org/ns/activitystreams#Public"
)
// TypeConverter is an interface for the common action of converting between apimodule (frontend, serializable) models,
// internal gts models used in the database, and activitypub models used in federation.
//
@ -112,6 +116,8 @@ type TypeConverter interface {
// FollowToASFollow converts a gts model Follow into an activity streams Follow, suitable for federation
FollowToAS(f *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (vocab.ActivityStreamsFollow, error)
MentionToAS(m *gtsmodel.Mention) (vocab.ActivityStreamsMention, error)
}
type converter struct {

View File

@ -257,6 +257,134 @@ func (c *converter) AccountToAS(a *gtsmodel.Account) (vocab.ActivityStreamsPerso
}
func (c *converter) StatusToAS(s *gtsmodel.Status) (vocab.ActivityStreamsNote, error) {
// ensure prerequisites here before we get stuck in
// check if author account is already attached to status and attach it if not
// if we can't retrieve this, bail here already because we can't attribute the status to anyone
if s.GTSAccount == nil {
a := &gtsmodel.Account{}
if err := c.db.GetByID(s.AccountID, a); err != nil {
return nil, fmt.Errorf("StatusToAS: error retrieving author account from db: %s", err)
}
s.GTSAccount = a
}
// create the Note!
status := streams.NewActivityStreamsNote()
// id
statusURI, err := url.Parse(s.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.URI, err)
}
statusIDProp := streams.NewJSONLDIdProperty()
statusIDProp.SetIRI(statusURI)
status.SetJSONLDId(statusIDProp)
// type
// will be set automatically by go-fed
// summary aka cw
statusSummaryProp := streams.NewActivityStreamsSummaryProperty()
statusSummaryProp.AppendXMLSchemaString(s.ContentWarning)
status.SetActivityStreamsSummary(statusSummaryProp)
// inReplyTo
if s.InReplyToID != "" {
// fetch the replied status if we don't have it on hand already
if s.GTSReplyToStatus == nil {
rs := &gtsmodel.Status{}
if err := c.db.GetByID(s.InReplyToID, rs); err != nil {
return nil, fmt.Errorf("StatusToAS: error retrieving replied-to status from db: %s", err)
}
s.GTSReplyToStatus = rs
}
rURI, err := url.Parse(s.GTSReplyToStatus.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.GTSReplyToStatus.URI, err)
}
inReplyToProp := streams.NewActivityStreamsInReplyToProperty()
inReplyToProp.AppendIRI(rURI)
status.SetActivityStreamsInReplyTo(inReplyToProp)
}
// published
publishedProp := streams.NewActivityStreamsPublishedProperty()
publishedProp.Set(s.CreatedAt)
status.SetActivityStreamsPublished(publishedProp)
// url
if s.URL != "" {
sURL, err := url.Parse(s.URL)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.URL, err)
}
urlProp := streams.NewActivityStreamsUrlProperty()
urlProp.AppendIRI(sURL)
status.SetActivityStreamsUrl(urlProp)
}
// attributedTo
authorAccountURI, err := url.Parse(s.GTSAccount.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.GTSAccount.URI, err)
}
attributedToProp := streams.NewActivityStreamsAttributedToProperty()
attributedToProp.AppendIRI(authorAccountURI)
status.SetActivityStreamsAttributedTo(attributedToProp)
// tags
tagProp := streams.NewActivityStreamsTagProperty()
// tag -- mentions
for _, m := range s.GTSMentions {
asMention, err := c.MentionToAS(m)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error converting mention to AS mention: %s", err)
}
tagProp.AppendActivityStreamsMention(asMention)
}
// tag -- emojis
// tag -- hashtags
status.SetActivityStreamsTag(tagProp)
// parse out some URIs we need here
authorFollowersURI, err := url.Parse(s.GTSAccount.FollowersURI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.GTSAccount.FollowersURI, err)
}
publicURI, err := url.Parse(asPublicURI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", asPublicURI, err)
}
// to
switch s.Visibility {
case gtsmodel.VisibilityDirect:
}
// cc
// conversation
// content
// attachment
// replies
return nil, nil
}
@ -305,3 +433,13 @@ func (c *converter) FollowToAS(f *gtsmodel.Follow, originAccount *gtsmodel.Accou
return follow, nil
}
func (c *converter) MentionToAS(m *gtsmodel.Mention) (vocab.ActivityStreamsMention, error) {
mention := streams.NewActivityStreamsMention()
if m.NameString == "" {
m.NameString =
}
}