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package federation
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/url"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
)
func (f *federator) DereferenceRemoteAccount(username string, remoteAccountID *url.URL) (typeutils.Accountable, error) {
f.startHandshake(username, remoteAccountID)
defer f.stopHandshake(username, remoteAccountID)
transport, err := f.GetTransportForUser(username)
if err != nil {
return nil, fmt.Errorf("transport err: %s", err)
}
b, err := transport.Dereference(context.Background(), remoteAccountID)
if err != nil {
return nil, fmt.Errorf("error deferencing %s: %s", remoteAccountID.String(), err)
}
m := make(map[string]interface{})
if err := json.Unmarshal(b, &m); err != nil {
return nil, fmt.Errorf("error unmarshalling bytes into json: %s", err)
}
t, err := streams.ToType(context.Background(), m)
if err != nil {
return nil, fmt.Errorf("error resolving json into ap vocab type: %s", err)
}
switch t.GetTypeName() {
case string(gtsmodel.ActivityStreamsPerson):
p, ok := t.(vocab.ActivityStreamsPerson)
if !ok {
return nil, errors.New("error resolving type as activitystreams person")
}
return p, nil
case string(gtsmodel.ActivityStreamsApplication):
p, ok := t.(vocab.ActivityStreamsApplication)
if !ok {
return nil, errors.New("error resolving type as activitystreams application")
}
return p, nil
case string(gtsmodel.ActivityStreamsService):
p, ok := t.(vocab.ActivityStreamsService)
if !ok {
return nil, errors.New("error resolving type as activitystreams service")
}
return p, nil
}
return nil, fmt.Errorf("type name %s not supported", t.GetTypeName())
}
func (f *federator) DereferenceRemoteStatus(username string, remoteStatusID *url.URL) (typeutils.Statusable, error) {
transport, err := f.GetTransportForUser(username)
if err != nil {
return nil, fmt.Errorf("transport err: %s", err)
}
b, err := transport.Dereference(context.Background(), remoteStatusID)
if err != nil {
return nil, fmt.Errorf("error deferencing %s: %s", remoteStatusID.String(), err)
}
m := make(map[string]interface{})
if err := json.Unmarshal(b, &m); err != nil {
return nil, fmt.Errorf("error unmarshalling bytes into json: %s", err)
}
t, err := streams.ToType(context.Background(), m)
if err != nil {
return nil, fmt.Errorf("error resolving json into ap vocab type: %s", err)
}
// Article, Document, Image, Video, Note, Page, Event, Place, Mention, Profile
switch t.GetTypeName() {
case gtsmodel.ActivityStreamsArticle:
p, ok := t.(vocab.ActivityStreamsArticle)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsArticle")
}
return p, nil
case gtsmodel.ActivityStreamsDocument:
p, ok := t.(vocab.ActivityStreamsDocument)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsDocument")
}
return p, nil
case gtsmodel.ActivityStreamsImage:
p, ok := t.(vocab.ActivityStreamsImage)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsImage")
}
return p, nil
case gtsmodel.ActivityStreamsVideo:
p, ok := t.(vocab.ActivityStreamsVideo)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsVideo")
}
return p, nil
case gtsmodel.ActivityStreamsNote:
p, ok := t.(vocab.ActivityStreamsNote)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsNote")
}
return p, nil
case gtsmodel.ActivityStreamsPage:
p, ok := t.(vocab.ActivityStreamsPage)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsPage")
}
return p, nil
case gtsmodel.ActivityStreamsEvent:
p, ok := t.(vocab.ActivityStreamsEvent)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsEvent")
}
return p, nil
case gtsmodel.ActivityStreamsPlace:
p, ok := t.(vocab.ActivityStreamsPlace)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsPlace")
}
return p, nil
case gtsmodel.ActivityStreamsProfile:
p, ok := t.(vocab.ActivityStreamsProfile)
if !ok {
return nil, errors.New("error resolving type as ActivityStreamsProfile")
}
return p, nil
}
return nil, fmt.Errorf("type name %s not supported", t.GetTypeName())
}
func (f *federator) DereferenceRemoteInstance(username string, remoteInstanceURI *url.URL) (*gtsmodel.Instance, error) {
transport, err := f.GetTransportForUser(username)
if err != nil {
return nil, fmt.Errorf("transport err: %s", err)
}
return transport.DereferenceInstance(context.Background(), remoteInstanceURI)
}
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