220 lines
5.0 KiB
Go
220 lines
5.0 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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"bytes"
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"fmt"
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"log"
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"reflect"
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"github.com/syndtr/goleveldb/leveldb"
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"github.com/syndtr/goleveldb/leveldb/util"
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"git.happydns.org/happyDomain/model"
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"git.happydns.org/happyDomain/providers"
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)
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func (s *LevelDBStorage) getProviderMeta(id happydns.Identifier) (srcMeta *happydns.ProviderMeta, err error) {
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var v []byte
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v, err = s.db.Get(id, nil)
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if err != nil {
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return
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}
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srcMeta = &happydns.ProviderMeta{}
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err = decodeData(v, srcMeta)
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return
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}
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func (s *LevelDBStorage) GetProviderMetas(u *happydns.User) (srcs []happydns.ProviderMeta, err error) {
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iter := s.search("provider-")
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defer iter.Release()
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for iter.Next() {
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var srcMeta happydns.ProviderMeta
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err = decodeData(iter.Value(), &srcMeta)
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if err != nil {
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return
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}
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if !bytes.Equal(srcMeta.OwnerId, u.Id) {
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continue
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}
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srcs = append(srcs, srcMeta)
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}
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return
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}
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func (s *LevelDBStorage) GetProviderMeta(u *happydns.User, id happydns.Identifier) (srcMeta *happydns.ProviderMeta, err error) {
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var v []byte
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v, err = s.db.Get([]byte(fmt.Sprintf("provider-%s", id.String())), nil)
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if err != nil {
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return
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}
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srcMeta = new(happydns.ProviderMeta)
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err = decodeData(v, &srcMeta)
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if err != nil {
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return
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}
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if !bytes.Equal(srcMeta.OwnerId, u.Id) {
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srcMeta = nil
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err = leveldb.ErrNotFound
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}
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return
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}
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func (s *LevelDBStorage) GetProvider(u *happydns.User, id happydns.Identifier) (src *happydns.ProviderCombined, err error) {
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var v []byte
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v, err = s.db.Get([]byte(fmt.Sprintf("provider-%s", id.String())), nil)
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if err != nil {
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return
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}
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var srcMeta happydns.ProviderMeta
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err = decodeData(v, &srcMeta)
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if err != nil {
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return
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}
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if !bytes.Equal(srcMeta.OwnerId, u.Id) {
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src = nil
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err = leveldb.ErrNotFound
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}
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var tsrc happydns.Provider
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tsrc, err = providers.FindProvider(srcMeta.Type)
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src = &happydns.ProviderCombined{
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Provider: tsrc,
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ProviderMeta: srcMeta,
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}
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err = decodeData(v, src)
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return
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}
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func (s *LevelDBStorage) CreateProvider(u *happydns.User, src happydns.Provider, comment string) (*happydns.ProviderCombined, error) {
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key, id, err := s.findIdentifierKey("provider-")
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if err != nil {
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return nil, err
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}
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sType := reflect.Indirect(reflect.ValueOf(src)).Type()
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st := &happydns.ProviderCombined{
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Provider: src,
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ProviderMeta: happydns.ProviderMeta{
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Type: sType.Name(),
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Id: id,
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OwnerId: u.Id,
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Comment: comment,
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},
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}
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return st, s.put(key, st)
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}
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func (s *LevelDBStorage) UpdateProvider(src *happydns.ProviderCombined) error {
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return s.put(fmt.Sprintf("provider-%s", src.Id.String()), src)
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}
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func (s *LevelDBStorage) UpdateProviderOwner(src *happydns.ProviderCombined, newOwner *happydns.User) error {
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src.OwnerId = newOwner.Id
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return s.UpdateProvider(src)
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}
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func (s *LevelDBStorage) DeleteProvider(src *happydns.ProviderMeta) error {
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return s.delete(fmt.Sprintf("provider-%s", src.Id.String()))
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}
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func (s *LevelDBStorage) ClearProviders() 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("provider-")), 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) TidyProviders() 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("provider-")), nil)
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defer iter.Release()
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for iter.Next() {
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srcMeta, err := s.getProviderMeta(iter.Key())
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if err != nil {
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// Drop unreadable providers
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log.Printf("Deleting unreadable provider (%s): %v\n", err.Error(), srcMeta)
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err = tx.Delete(iter.Key(), nil)
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} else {
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_, err = s.GetUser(srcMeta.OwnerId)
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if err == leveldb.ErrNotFound {
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// Drop providers of unexistant users
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log.Printf("Deleting orphan provider (user %s not found): %v\n", srcMeta.OwnerId.String(), srcMeta)
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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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