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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 federation
import (
"github.com/superseriousbusiness/activity/pub"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing"
"github.com/superseriousbusiness/gotosocial/internal/federation/federatingdb"
"github.com/superseriousbusiness/gotosocial/internal/filter/interaction"
"github.com/superseriousbusiness/gotosocial/internal/filter/visibility"
"github.com/superseriousbusiness/gotosocial/internal/media"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/transport"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
)
var _ interface {
pub.CommonBehavior
pub.FederatingProtocol
} = (*Federator)(nil)
type Federator struct {
db db.DB
federatingDB federatingdb.DB
clock pub.Clock
converter *typeutils.Converter
transport transport.Controller
mediaManager *media.Manager
actor pub.FederatingActor
dereferencing.Dereferencer
// store result of FederatingCallbacks() ahead
// of time since it's called in every PostInbox().
wrapped pub.FederatingWrappedCallbacks
callback []any
}
// NewFederator returns a new federator instance.
func NewFederator(
state *state.State,
federatingDB federatingdb.DB,
transportController transport.Controller,
converter *typeutils.Converter,
visFilter *visibility.Filter,
intFilter *interaction.Filter,
mediaManager *media.Manager,
) *Federator {
clock := &Clock{}
f := &Federator{
db: state.DB,
federatingDB: federatingDB,
clock: clock,
converter: converter,
transport: transportController,
mediaManager: mediaManager,
Dereferencer: dereferencing.NewDereferencer(
state,
converter,
transportController,
visFilter,
intFilter,
mediaManager,
),
// prepared response to FederatingCallbacks()
wrapped: pub.FederatingWrappedCallbacks{
// OnFollow determines what action to take for this
// particular callback if a Follow Activity is handled.
//
// For our implementation, we always want to do nothing
// because we have internal logic for handling follows.
OnFollow: pub.OnFollowDoNothing,
},
callback: []any{
federatingDB.Like,
federatingDB.Block,
federatingDB.Follow,
federatingDB.Undo,
federatingDB.Accept,
federatingDB.Reject,
federatingDB.Announce,
federatingDB.Move,
federatingDB.Flag,
},
}
actor := newFederatingActor(f, f, federatingDB, clock)
f.actor = actor
return f
}
// FederatingActor returns the underlying pub.FederatingActor, which can be used to send activities, and serve actors at inboxes/outboxes.
func (f *Federator) FederatingActor() pub.FederatingActor {
return f.actor
}
// FederatingDB returns the underlying FederatingDB interface.
func (f *Federator) FederatingDB() federatingdb.DB {
return f.federatingDB
}
// TransportController returns the underlying transport controller.
func (f *Federator) TransportController() transport.Controller {
return f.transport
}
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