154 lines
3.6 KiB
Go
154 lines
3.6 KiB
Go
// This file is part of the happyDomain (R) project.
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// Copyright (c) 2020-2024 happyDomain
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// Authors: Pierre-Olivier Mercier, et al.
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//
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// This program is offered under a commercial and under the AGPL license.
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// For commercial licensing, contact us at <contact@happydomain.org>.
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//
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// For AGPL licensing:
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package database
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import (
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"fmt"
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"log"
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"strings"
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"git.happydns.org/happyDomain/model"
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"github.com/syndtr/goleveldb/leveldb/util"
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)
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func (s *LevelDBStorage) GetZone(id happydns.Identifier) (z *happydns.Zone, err error) {
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z = &happydns.Zone{}
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err = s.get(fmt.Sprintf("domain.zone-%s", id.String()), &z)
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return
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}
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func (s *LevelDBStorage) getZoneMeta(id string) (z *happydns.ZoneMeta, err error) {
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z = &happydns.ZoneMeta{}
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err = s.get(id, z)
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return
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}
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func (s *LevelDBStorage) GetZoneMeta(id happydns.Identifier) (z *happydns.ZoneMeta, err error) {
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z, err = s.getZoneMeta(fmt.Sprintf("domain.zone-%s", id.String()))
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return
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}
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func (s *LevelDBStorage) CreateZone(z *happydns.Zone) error {
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key, id, err := s.findIdentifierKey("domain.zone-")
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if err != nil {
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return err
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}
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z.Id = id
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return s.put(key, z)
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}
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func (s *LevelDBStorage) UpdateZone(z *happydns.Zone) error {
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return s.put(fmt.Sprintf("domain.zone-%s", z.Id.String()), z)
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}
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func (s *LevelDBStorage) DeleteZone(z *happydns.Zone) error {
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return s.delete(fmt.Sprintf("domain.zone-%s", z.Id.String()))
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}
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func (s *LevelDBStorage) ClearZones() error {
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tx, err := s.db.OpenTransaction()
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if err != nil {
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return err
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}
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iter := tx.NewIterator(util.BytesPrefix([]byte("domain.zone-")), nil)
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defer iter.Release()
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for iter.Next() {
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err = tx.Delete(iter.Key(), nil)
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if err != nil {
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tx.Discard()
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return err
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}
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}
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err = tx.Commit()
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if err != nil {
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tx.Discard()
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return err
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}
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return nil
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}
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func (s *LevelDBStorage) TidyZones() error {
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tx, err := s.db.OpenTransaction()
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if err != nil {
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return err
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}
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iter := tx.NewIterator(util.BytesPrefix([]byte("domain-")), nil)
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defer iter.Release()
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var referencedZones []happydns.Identifier
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for iter.Next() {
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domain, _ := s.getDomain(string(iter.Key()))
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if domain != nil {
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for _, zh := range domain.ZoneHistory {
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referencedZones = append(referencedZones, zh)
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}
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}
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}
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iter = tx.NewIterator(util.BytesPrefix([]byte("domain.zone-")), nil)
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defer iter.Release()
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for iter.Next() {
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if zoneId, err := happydns.NewIdentifierFromString(strings.TrimPrefix(string(iter.Key()), "domain.zone-")); err != nil {
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// Drop zones with invalid ID
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log.Printf("Deleting unindentified zone: key=%s\n", iter.Key())
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err = tx.Delete(iter.Key(), nil)
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} else {
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foundZone := false
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for _, zid := range referencedZones {
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if zid.Equals(zoneId) {
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foundZone = true
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break
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}
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}
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if !foundZone {
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// Drop orphan zones
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log.Printf("Deleting orphan zone: %s\n", zoneId.String())
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err = tx.Delete(iter.Key(), nil)
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}
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}
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if err != nil {
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tx.Discard()
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return err
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}
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}
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err = tx.Commit()
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if err != nil {
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tx.Discard()
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return err
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}
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return nil
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}
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