gotosocial/internal/processing/fedi/accept.go
tobi 8ab2b19a94
[feature] Federate interaction policies + Accepts; enforce policies (#3138)
* [feature] Federate interaction policies + Accepts; enforce policies

* use Acceptable type

* fix index

* remove appendIRIStrs

* add GetAccept federatingdb function

* lock on object IRI
2024-07-26 12:04:28 +02:00

85 lines
2.7 KiB
Go

// 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 fedi
import (
"context"
"errors"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
)
// AcceptGet handles the getting of a fedi/activitypub
// representation of a local interaction approval.
//
// It performs appropriate authentication before
// returning a JSON serializable interface.
func (p *Processor) AcceptGet(
ctx context.Context,
requestedUser string,
approvalID string,
) (interface{}, gtserror.WithCode) {
// Authenticate incoming request, getting related accounts.
auth, errWithCode := p.authenticate(ctx, requestedUser)
if errWithCode != nil {
return nil, errWithCode
}
if auth.handshakingURI != nil {
// We're currently handshaking, which means
// we don't know this account yet. This should
// be a very rare race condition.
err := gtserror.Newf("network race handshaking %s", auth.handshakingURI)
return nil, gtserror.NewErrorInternalError(err)
}
receivingAcct := auth.receivingAcct
approval, err := p.state.DB.GetInteractionApprovalByID(ctx, approvalID)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("db error getting approval %s: %w", approvalID, err)
return nil, gtserror.NewErrorInternalError(err)
}
if approval.AccountID != receivingAcct.ID {
const text = "approval does not belong to receiving account"
return nil, gtserror.NewErrorNotFound(errors.New(text))
}
if approval == nil {
err := gtserror.Newf("approval %s not found", approvalID)
return nil, gtserror.NewErrorNotFound(err)
}
accept, err := p.converter.InteractionApprovalToASAccept(ctx, approval)
if err != nil {
err := gtserror.Newf("error converting approval: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
data, err := ap.Serialize(accept)
if err != nil {
err := gtserror.Newf("error serializing accept: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
return data, nil
}