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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"
"codeberg.org/gruf/go-logger/v2/level"
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/messages"
)
// Update sets an existing entry to the database based on the value's
// id.
//
// Note that Activity values received from federated peers may also be
// updated in the database this way if the Federating Protocol is
// enabled. The client may freely decide to store only the id instead of
// the entire value.
//
// The library makes this call only after acquiring a lock first.
func (f *federatingDB) Update(ctx context.Context, asType vocab.Type) error {
l := log.WithContext(ctx)
if log.Level() >= level.DEBUG {
i, err := marshalItem(asType)
if err != nil {
return err
}
l = l.WithField("update", i)
l.Debug("entering Update")
}
receivingAccount, requestingAccount, internal := extractFromCtx(ctx)
if internal {
return nil // Already processed.
}
if accountable, ok := ap.ToAccountable(asType); ok {
return f.updateAccountable(ctx, receivingAccount, requestingAccount, accountable)
}
if statusable, ok := ap.ToStatusable(asType); ok {
return f.updateStatusable(ctx, receivingAccount, requestingAccount, statusable)
}
return nil
}
func (f *federatingDB) updateAccountable(ctx context.Context, receivingAcct *gtsmodel.Account, requestingAcct *gtsmodel.Account, accountable ap.Accountable) error {
// Extract AP URI of the updated Accountable model.
idProp := accountable.GetJSONLDId()
if idProp == nil || !idProp.IsIRI() {
return gtserror.New("invalid id prop")
}
// Get the account URI string for checks
accountURI := idProp.GetIRI()
accountURIStr := accountURI.String()
// Don't try to update local accounts.
if accountURI.Host == config.GetHost() {
return nil
}
// Check that update was by the account themselves.
if accountURIStr != requestingAcct.URI {
return gtserror.Newf("update for %s was not requested by owner", accountURIStr)
}
// Pass in to the processor the existing version of the requesting
// account that we have, plus the Accountable representation that
// was delivered along with the Update, for further asynchronous
// updating of eg., avatar/header, emojis, etc. The actual db
// inserts/updates will take place there.
f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
APObjectType: ap.ObjectProfile,
APActivityType: ap.ActivityUpdate,
GTSModel: requestingAcct,
APObjectModel: accountable,
ReceivingAccount: receivingAcct,
})
return nil
}
func (f *federatingDB) updateStatusable(ctx context.Context, receivingAcct *gtsmodel.Account, requestingAcct *gtsmodel.Account, statusable ap.Statusable) error {
// Extract AP URI of the updated model.
idProp := statusable.GetJSONLDId()
if idProp == nil || !idProp.IsIRI() {
return gtserror.New("invalid id prop")
}
// Get the status URI string for lookups.
statusURI := idProp.GetIRI()
statusURIStr := statusURI.String()
// Don't try to update local statuses.
if statusURI.Host == config.GetHost() {
return nil
}
// Check if this is a forwarded object, i.e. did
// the account making the request also create this?
forwarded := !isSender(statusable, requestingAcct)
// Get the status we have on file for this URI string.
status, err := f.state.DB.GetStatusByURI(ctx, statusURIStr)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return gtserror.Newf("error fetching status from db: %w", err)
}
if status == nil {
// We haven't seen this status before, be
// lenient and handle as a CREATE event.
return f.createStatusable(ctx,
receivingAcct,
requestingAcct,
statusable,
forwarded,
)
}
if forwarded {
// For forwarded updates, set a nil AS
// status to force refresh from remote.
statusable = nil
}
// Queue an UPDATE NOTE activity to our fedi API worker,
// this will handle necessary database insertions, etc.
f.state.Workers.EnqueueFediAPI(ctx, messages.FromFediAPI{
APObjectType: ap.ObjectNote,
APActivityType: ap.ActivityUpdate,
GTSModel: status, // original status
APObjectModel: (ap.Statusable)(statusable),
ReceivingAccount: receivingAcct,
})
return nil
}
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