122 lines
3.8 KiB
Go
122 lines
3.8 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 visibility
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/cache"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/log"
|
|
)
|
|
|
|
// StatusHomeTimelineable checks if given status should be included on requester's public timeline. Primarily relying on status visibility to requester and the AP visibility setting, and ignoring conversation threads.
|
|
func (f *Filter) StatusPublicTimelineable(ctx context.Context, requester *gtsmodel.Account, status *gtsmodel.Status) (bool, error) {
|
|
// By default we assume no auth.
|
|
requesterID := noauth
|
|
|
|
if requester != nil {
|
|
// Use provided account ID.
|
|
requesterID = requester.ID
|
|
}
|
|
|
|
visibility, err := f.state.Caches.Visibility.Load("Type.RequesterID.ItemID", func() (*cache.CachedVisibility, error) {
|
|
// Visibility not yet cached, perform timeline visibility lookup.
|
|
visible, err := f.isStatusPublicTimelineable(ctx, requester, status)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Return visibility value.
|
|
return &cache.CachedVisibility{
|
|
ItemID: status.ID,
|
|
RequesterID: requesterID,
|
|
Type: cache.VisibilityTypePublic,
|
|
Value: visible,
|
|
}, nil
|
|
}, "public", requesterID, status.ID)
|
|
if err != nil {
|
|
if err == cache.SentinelError {
|
|
// Filter-out our temporary
|
|
// race-condition error.
|
|
return false, nil
|
|
}
|
|
|
|
return false, err
|
|
}
|
|
|
|
return visibility.Value, nil
|
|
}
|
|
|
|
func (f *Filter) isStatusPublicTimelineable(ctx context.Context, requester *gtsmodel.Account, status *gtsmodel.Status) (bool, error) {
|
|
if status.CreatedAt.After(time.Now().Add(24 * time.Hour)) {
|
|
// Statuses made over 1 day in the future we don't show...
|
|
log.Warnf(ctx, "status >24hrs in the future: %+v", status)
|
|
return false, nil
|
|
}
|
|
|
|
// Don't show boosts on timeline.
|
|
if status.BoostOfID != "" {
|
|
return false, nil
|
|
}
|
|
|
|
// Check whether status is visible to requesting account.
|
|
visible, err := f.StatusVisible(ctx, requester, status)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if !visible {
|
|
log.Trace(ctx, "status not visible to timeline requester")
|
|
return false, nil
|
|
}
|
|
|
|
for parent := status; parent.InReplyToURI != ""; {
|
|
// Fetch next parent to lookup.
|
|
parentID := parent.InReplyToID
|
|
if parentID == "" {
|
|
log.Warnf(ctx, "status not yet deref'd: %s", parent.InReplyToURI)
|
|
return false, cache.SentinelError
|
|
}
|
|
|
|
// Get the next parent in the chain from DB.
|
|
parent, err = f.state.DB.GetStatusByID(
|
|
gtscontext.SetBarebones(ctx),
|
|
parentID,
|
|
)
|
|
if err != nil {
|
|
return false, fmt.Errorf("isStatusHomeTimelineable: error getting status parent %s: %w", parentID, err)
|
|
}
|
|
|
|
if parent.AccountID != status.AccountID {
|
|
// This is not a single author reply-chain-thread,
|
|
// instead is an actualy conversation. Don't timeline.
|
|
log.Trace(ctx, "ignoring multi-author reply-chain")
|
|
return false, nil
|
|
}
|
|
}
|
|
|
|
// This is either a visible status in a
|
|
// single-author thread, or a visible top
|
|
// level status. Show on public timeline.
|
|
return true, nil
|
|
}
|