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// 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 federatingdb
import (
"context"
"errors"
"fmt"
"codeberg.org/gruf/go-logger/v2/level"
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/messages"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
func (f *federatingDB) Accept(ctx context.Context, accept vocab.ActivityStreamsAccept) error {
if log.Level() >= level.DEBUG {
i, err := marshalItem(accept)
if err != nil {
return err
}
l := log.WithContext(ctx).
WithField("accept", i)
l.Debug("entering Accept")
}
activityContext := getActivityContext(ctx)
if activityContext.internal {
return nil // Already processed.
}
requestingAcct := activityContext.requestingAcct
receivingAcct := activityContext.receivingAcct
if requestingAcct.IsMoving() {
// A Moving account
// can't do this.
return nil
}
// Iterate all provided objects in the activity.
for _, object := range ap.ExtractObjects(accept) {
// Check and handle any vocab.Type objects.
if objType := object.GetType(); objType != nil {
switch objType.GetTypeName() { //nolint:gocritic
case ap.ActivityFollow:
// Cast the vocab.Type object to known AS type.
asFollow := objType.(vocab.ActivityStreamsFollow)
// convert the follow to something we can understand
gtsFollow, err := f.converter.ASFollowToFollow(ctx, asFollow)
if err != nil {
return fmt.Errorf("ACCEPT: error converting asfollow to gtsfollow: %s", err)
}
// Make sure the creator of the original follow
// is the same as whatever inbox this landed in.
if gtsFollow.AccountID != receivingAcct.ID {
return errors.New("ACCEPT: follow account and inbox account were not the same")
}
// Make sure the target of the original follow
// is the same as the account making the request.
if gtsFollow.TargetAccountID != requestingAcct.ID {
return errors.New("ACCEPT: follow target account and requesting account were not the same")
}
follow, err := f.state.DB.AcceptFollowRequest(ctx, gtsFollow.AccountID, gtsFollow.TargetAccountID)
if err != nil {
return err
}
f.state.Workers.Federator.Queue.Push(&messages.FromFediAPI{
APObjectType: ap.ActivityFollow,
APActivityType: ap.ActivityAccept,
GTSModel: follow,
Receiving: receivingAcct,
Requesting: requestingAcct,
})
}
continue
}
// Check and handle any
// IRI type objects.
if object.IsIRI() {
// Extract IRI from object.
iri := object.GetIRI()
if !uris.IsFollowPath(iri) {
continue
}
// Serialize IRI.
iriStr := iri.String()
// ACCEPT FOLLOW
followReq, err := f.state.DB.GetFollowRequestByURI(ctx, iriStr)
if err != nil {
return fmt.Errorf("ACCEPT: couldn't get follow request with id %s from the database: %s", iriStr, err)
}
// Make sure the creator of the original follow
// is the same as whatever inbox this landed in.
if followReq.AccountID != receivingAcct.ID {
return errors.New("ACCEPT: follow account and inbox account were not the same")
}
// Make sure the target of the original follow
// is the same as the account making the request.
if followReq.TargetAccountID != requestingAcct.ID {
return errors.New("ACCEPT: follow target account and requesting account were not the same")
}
follow, err := f.state.DB.AcceptFollowRequest(ctx, followReq.AccountID, followReq.TargetAccountID)
if err != nil {
return err
}
f.state.Workers.Federator.Queue.Push(&messages.FromFediAPI{
APObjectType: ap.ActivityFollow,
APActivityType: ap.ActivityAccept,
GTSModel: follow,
Receiving: receivingAcct,
Requesting: requestingAcct,
})
continue
}
}
return nil
}
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