gotosocial/internal/federation/federatingdb/reject.go

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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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 federatingdb
import (
"context"
"errors"
"fmt"
"github.com/go-fed/activity/streams/vocab"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
func (f *federatingDB) Reject(ctx context.Context, reject vocab.ActivityStreamsReject) error {
l := logrus.WithFields(
logrus.Fields{
"func": "Reject",
},
)
if logrus.GetLevel() >= logrus.DebugLevel {
i, err := marshalItem(reject)
if err != nil {
return err
}
l = l.WithField("reject", i)
l.Debug("entering Reject")
}
receivingAccount, _, fromFederatorChan := extractFromCtx(ctx)
if receivingAccount == nil || fromFederatorChan == nil {
// If the receiving account or federator channel wasn't set on the context, that means this request didn't pass
// through the API, but came from inside GtS as the result of another activity on this instance. That being so,
// we can safely just ignore this activity, since we know we've already processed it elsewhere.
return nil
}
rejectObject := reject.GetActivityStreamsObject()
if rejectObject == nil {
return errors.New("Reject: no object set on vocab.ActivityStreamsReject")
}
for iter := rejectObject.Begin(); iter != rejectObject.End(); iter = iter.Next() {
// check if the object is an IRI
if iter.IsIRI() {
// we have just the URI of whatever is being rejected, so we need to find out what it is
rejectedObjectIRI := iter.GetIRI()
if util.IsFollowPath(rejectedObjectIRI) {
// REJECT FOLLOW
gtsFollowRequest := &gtsmodel.FollowRequest{}
if err := f.db.GetWhere(ctx, []db.Where{{Key: "uri", Value: rejectedObjectIRI.String()}}, gtsFollowRequest); err != nil {
return fmt.Errorf("Reject: couldn't get follow request with id %s from the database: %s", rejectedObjectIRI.String(), err)
}
// make sure the addressee of the original follow is the same as whatever inbox this landed in
if gtsFollowRequest.AccountID != receivingAccount.ID {
return errors.New("Reject: follow object account and inbox account were not the same")
}
if _, err := f.db.RejectFollowRequest(ctx, gtsFollowRequest.AccountID, gtsFollowRequest.TargetAccountID); err != nil {
return err
}
return nil
}
}
// check if iter is an AP object / type
if iter.GetType() == nil {
continue
}
switch iter.GetType().GetTypeName() {
// we have the whole object so we can figure out what we're rejecting
case ap.ActivityFollow:
// REJECT FOLLOW
asFollow, ok := iter.GetType().(vocab.ActivityStreamsFollow)
if !ok {
return errors.New("Reject: couldn't parse follow into vocab.ActivityStreamsFollow")
}
// convert the follow to something we can understand
gtsFollow, err := f.typeConverter.ASFollowToFollow(ctx, asFollow)
if err != nil {
return fmt.Errorf("Reject: error converting asfollow to gtsfollow: %s", err)
}
// make sure the addressee of the original follow is the same as whatever inbox this landed in
if gtsFollow.AccountID != receivingAccount.ID {
return errors.New("Reject: follow object account and inbox account were not the same")
}
if _, err := f.db.RejectFollowRequest(ctx, gtsFollow.AccountID, gtsFollow.TargetAccountID); err != nil {
return err
}
return nil
}
}
return nil
}