mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-08 14:36:32 +01:00
139 lines
4.2 KiB
Go
139 lines
4.2 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
|
|
|
|
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 media
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
"github.com/superseriousbusiness/gotosocial/internal/log"
|
|
"github.com/superseriousbusiness/gotosocial/internal/regexes"
|
|
"github.com/superseriousbusiness/gotosocial/internal/uris"
|
|
)
|
|
|
|
func (m *manager) PruneOrphaned(ctx context.Context, dry bool) (int, error) {
|
|
var totalPruned int
|
|
|
|
// keys in storage will look like the following:
|
|
// `[ACCOUNT_ID]/[MEDIA_TYPE]/[MEDIA_SIZE]/[MEDIA_ID].[EXTENSION]`
|
|
// we can filter out keys we're not interested in by
|
|
// matching through a regex
|
|
var matchCount int
|
|
match := func(storageKey string) bool {
|
|
if regexes.FilePath.MatchString(storageKey) {
|
|
matchCount++
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
log.Info("checking storage keys for orphaned pruning candidates...")
|
|
iterator, err := m.storage.Iterator(ctx, match)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("PruneOrphaned: error getting storage iterator: %w", err)
|
|
}
|
|
|
|
// make sure we have some keys, and also advance
|
|
// the iterator to the first non-empty key
|
|
if !iterator.Next() {
|
|
return 0, nil
|
|
}
|
|
|
|
instanceAccount, err := m.db.GetInstanceAccount(ctx, "")
|
|
if err != nil {
|
|
return 0, fmt.Errorf("PruneOrphaned: error getting instance account: %w", err)
|
|
}
|
|
instanceAccountID := instanceAccount.ID
|
|
|
|
// for each key in the iterator, check if entry is orphaned
|
|
log.Info("got %d orphaned pruning candidates, checking for orphaned status, please wait...")
|
|
var checkedKeys int
|
|
orphanedKeys := make([]string, 0, matchCount)
|
|
for key := iterator.Key(); iterator.Next(); key = iterator.Key() {
|
|
if m.orphaned(ctx, key, instanceAccountID) {
|
|
orphanedKeys = append(orphanedKeys, key)
|
|
}
|
|
checkedKeys++
|
|
if checkedKeys%50 == 0 {
|
|
log.Infof("checked %d of %d orphaned pruning candidates...", checkedKeys, matchCount)
|
|
}
|
|
}
|
|
iterator.Release()
|
|
|
|
if !dry {
|
|
// the real deal, we have to delete stuff
|
|
for _, key := range orphanedKeys {
|
|
log.Infof("key %s corresponds to orphaned media, will remove it now", key)
|
|
if err := m.storage.Delete(ctx, key); err != nil {
|
|
log.Errorf("error deleting item with key %s from storage: %s", key, err)
|
|
continue
|
|
}
|
|
totalPruned++
|
|
}
|
|
} else {
|
|
// just a dry run, don't delete anything
|
|
for _, key := range orphanedKeys {
|
|
log.Infof("DRY RUN: key %s corresponds to orphaned media which would be deleted", key)
|
|
totalPruned++
|
|
}
|
|
}
|
|
|
|
return totalPruned, nil
|
|
}
|
|
|
|
func (m *manager) orphaned(ctx context.Context, key string, instanceAccountID string) bool {
|
|
pathParts := regexes.FilePath.FindStringSubmatch(key)
|
|
if len(pathParts) != 6 {
|
|
return false
|
|
}
|
|
|
|
mediaType := pathParts[2]
|
|
mediaID := pathParts[4]
|
|
|
|
var orphaned bool
|
|
switch Type(mediaType) {
|
|
case TypeAttachment, TypeHeader, TypeAvatar:
|
|
if _, err := m.db.GetAttachmentByID(ctx, mediaID); err != nil {
|
|
if errors.Is(err, db.ErrNoEntries) {
|
|
orphaned = true
|
|
} else {
|
|
log.Errorf("orphaned: error calling GetAttachmentByID: %s", err)
|
|
}
|
|
}
|
|
case TypeEmoji:
|
|
// look using the static URL for the emoji, since the MEDIA_ID part of
|
|
// the key for emojis will not necessarily correspond to the file that's
|
|
// currently being used as the emoji image
|
|
staticURI := uris.GenerateURIForAttachment(instanceAccountID, string(TypeEmoji), string(SizeStatic), mediaID, mimePng)
|
|
if _, err := m.db.GetEmojiByStaticURL(ctx, staticURI); err != nil {
|
|
if errors.Is(err, db.ErrNoEntries) {
|
|
orphaned = true
|
|
} else {
|
|
log.Errorf("orphaned: error calling GetEmojiByID: %s", err)
|
|
}
|
|
}
|
|
default:
|
|
orphaned = true
|
|
}
|
|
|
|
return orphaned
|
|
}
|