230 lines
5.6 KiB
Go
230 lines
5.6 KiB
Go
// Copyright or © or Copr. happyDNS (2020)
|
|
//
|
|
// contact@happydomain.org
|
|
//
|
|
// This software is a computer program whose purpose is to provide a modern
|
|
// interface to interact with DNS systems.
|
|
//
|
|
// This software is governed by the CeCILL license under French law and abiding
|
|
// by the rules of distribution of free software. You can use, modify and/or
|
|
// redistribute the software under the terms of the CeCILL license as
|
|
// circulated by CEA, CNRS and INRIA at the following URL
|
|
// "http://www.cecill.info".
|
|
//
|
|
// As a counterpart to the access to the provider code and rights to copy, modify
|
|
// and redistribute granted by the license, users are provided only with a
|
|
// limited warranty and the software's author, the holder of the economic
|
|
// rights, and the successive licensors have only limited liability.
|
|
//
|
|
// In this respect, the user's attention is drawn to the risks associated with
|
|
// loading, using, modifying and/or developing or reproducing the software by
|
|
// the user in light of its specific status of free software, that may mean
|
|
// that it is complicated to manipulate, and that also therefore means that it
|
|
// is reserved for developers and experienced professionals having in-depth
|
|
// computer knowledge. Users are therefore encouraged to load and test the
|
|
// software's suitability as regards their requirements in conditions enabling
|
|
// the security of their systems and/or data to be ensured and, more generally,
|
|
// to use and operate it in the same conditions as regards security.
|
|
//
|
|
// The fact that you are presently reading this means that you have had
|
|
// knowledge of the CeCILL license and that you accept its terms.
|
|
|
|
package database
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"log"
|
|
"reflect"
|
|
|
|
"github.com/syndtr/goleveldb/leveldb"
|
|
"github.com/syndtr/goleveldb/leveldb/util"
|
|
|
|
"git.happydns.org/happydomain/model"
|
|
"git.happydns.org/happydomain/providers"
|
|
)
|
|
|
|
func (s *LevelDBStorage) getProviderMeta(id happydns.Identifier) (srcMeta *happydns.ProviderMeta, err error) {
|
|
var v []byte
|
|
v, err = s.db.Get(id, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
srcMeta = &happydns.ProviderMeta{}
|
|
err = decodeData(v, srcMeta)
|
|
return
|
|
}
|
|
|
|
func (s *LevelDBStorage) GetProviderMetas(u *happydns.User) (srcs []happydns.ProviderMeta, err error) {
|
|
iter := s.search("provider-")
|
|
defer iter.Release()
|
|
|
|
for iter.Next() {
|
|
var srcMeta happydns.ProviderMeta
|
|
err = decodeData(iter.Value(), &srcMeta)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if !bytes.Equal(srcMeta.OwnerId, u.Id) {
|
|
continue
|
|
}
|
|
|
|
srcs = append(srcs, srcMeta)
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func (s *LevelDBStorage) GetProviderMeta(u *happydns.User, id happydns.Identifier) (srcMeta *happydns.ProviderMeta, err error) {
|
|
var v []byte
|
|
v, err = s.db.Get([]byte(fmt.Sprintf("provider-%s", id.String())), nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
srcMeta = new(happydns.ProviderMeta)
|
|
err = decodeData(v, &srcMeta)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if !bytes.Equal(srcMeta.OwnerId, u.Id) {
|
|
srcMeta = nil
|
|
err = leveldb.ErrNotFound
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func (s *LevelDBStorage) GetProvider(u *happydns.User, id happydns.Identifier) (src *happydns.ProviderCombined, err error) {
|
|
var v []byte
|
|
v, err = s.db.Get([]byte(fmt.Sprintf("provider-%s", id.String())), nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
var srcMeta happydns.ProviderMeta
|
|
err = decodeData(v, &srcMeta)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
if !bytes.Equal(srcMeta.OwnerId, u.Id) {
|
|
src = nil
|
|
err = leveldb.ErrNotFound
|
|
}
|
|
|
|
var tsrc happydns.Provider
|
|
tsrc, err = providers.FindProvider(srcMeta.Type)
|
|
|
|
src = &happydns.ProviderCombined{
|
|
tsrc,
|
|
srcMeta,
|
|
}
|
|
|
|
err = decodeData(v, src)
|
|
|
|
return
|
|
}
|
|
|
|
func (s *LevelDBStorage) CreateProvider(u *happydns.User, src happydns.Provider, comment string) (*happydns.ProviderCombined, error) {
|
|
key, id, err := s.findIdentifierKey("provider-")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
sType := reflect.Indirect(reflect.ValueOf(src)).Type()
|
|
|
|
st := &happydns.ProviderCombined{
|
|
src,
|
|
happydns.ProviderMeta{
|
|
Type: sType.Name(),
|
|
Id: id,
|
|
OwnerId: u.Id,
|
|
Comment: comment,
|
|
},
|
|
}
|
|
return st, s.put(key, st)
|
|
}
|
|
|
|
func (s *LevelDBStorage) UpdateProvider(src *happydns.ProviderCombined) error {
|
|
return s.put(fmt.Sprintf("provider-%s", src.Id.String()), src)
|
|
}
|
|
|
|
func (s *LevelDBStorage) UpdateProviderOwner(src *happydns.ProviderCombined, newOwner *happydns.User) error {
|
|
src.OwnerId = newOwner.Id
|
|
return s.UpdateProvider(src)
|
|
}
|
|
|
|
func (s *LevelDBStorage) DeleteProvider(src *happydns.ProviderMeta) error {
|
|
return s.delete(fmt.Sprintf("provider-%s", src.Id.String()))
|
|
}
|
|
|
|
func (s *LevelDBStorage) ClearProviders() error {
|
|
tx, err := s.db.OpenTransaction()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
iter := tx.NewIterator(util.BytesPrefix([]byte("provider-")), nil)
|
|
defer iter.Release()
|
|
|
|
for iter.Next() {
|
|
err = tx.Delete(iter.Key(), nil)
|
|
if err != nil {
|
|
tx.Discard()
|
|
return err
|
|
}
|
|
}
|
|
|
|
err = tx.Commit()
|
|
if err != nil {
|
|
tx.Discard()
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *LevelDBStorage) TidyProviders() error {
|
|
tx, err := s.db.OpenTransaction()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
iter := tx.NewIterator(util.BytesPrefix([]byte("provider-")), nil)
|
|
defer iter.Release()
|
|
|
|
for iter.Next() {
|
|
srcMeta, err := s.getProviderMeta(iter.Key())
|
|
|
|
if err != nil {
|
|
// Drop unreadable providers
|
|
log.Printf("Deleting unreadable provider (%s): %v\n", err.Error(), srcMeta)
|
|
err = tx.Delete(iter.Key(), nil)
|
|
} else {
|
|
_, err = s.GetUser(srcMeta.OwnerId)
|
|
if err == leveldb.ErrNotFound {
|
|
// Drop providers of unexistant users
|
|
log.Printf("Deleting orphan provider (user %s not found): %v\n", srcMeta.OwnerId.String(), srcMeta)
|
|
err = tx.Delete(iter.Key(), nil)
|
|
}
|
|
}
|
|
|
|
if err != nil {
|
|
tx.Discard()
|
|
return err
|
|
}
|
|
}
|
|
|
|
err = tx.Commit()
|
|
if err != nil {
|
|
tx.Discard()
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|