172 lines
4.5 KiB
Go
172 lines
4.5 KiB
Go
// Copyright or © or Copr. happyDNS (2020)
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//
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// contact@happydomain.org
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//
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// This software is a computer program whose purpose is to provide a modern
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// interface to interact with DNS systems.
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//
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// This software is governed by the CeCILL license under French law and abiding
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// by the rules of distribution of free software. You can use, modify and/or
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// redistribute the software under the terms of the CeCILL license as
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// circulated by CEA, CNRS and INRIA at the following URL
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// "http://www.cecill.info".
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//
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// As a counterpart to the access to the source code and rights to copy, modify
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// and redistribute granted by the license, users are provided only with a
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// limited warranty and the software's author, the holder of the economic
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// rights, and the successive licensors have only limited liability.
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//
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// In this respect, the user's attention is drawn to the risks associated with
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// loading, using, modifying and/or developing or reproducing the software by
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// the user in light of its specific status of free software, that may mean
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// that it is complicated to manipulate, and that also therefore means that it
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// is reserved for developers and experienced professionals having in-depth
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// computer knowledge. Users are therefore encouraged to load and test the
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// software's suitability as regards their requirements in conditions enabling
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// the security of their systems and/or data to be ensured and, more generally,
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// to use and operate it in the same conditions as regards security.
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//
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// The fact that you are presently reading this means that you have had
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// knowledge of the CeCILL license and that you accept its terms.
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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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"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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)
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func (s *LevelDBStorage) getSession(id string) (session *happydns.Session, err error) {
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session = &happydns.Session{}
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err = s.get(id, &session)
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return
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}
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func (s *LevelDBStorage) GetSession(id happydns.Identifier) (session *happydns.Session, err error) {
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return s.getSession(fmt.Sprintf("user.session-%s", id.String()))
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}
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func (s *LevelDBStorage) GetAuthUserSessions(user *happydns.UserAuth) (sessions []*happydns.Session, err error) {
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iter := s.search("user.session-")
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defer iter.Release()
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for iter.Next() {
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var s happydns.Session
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err = decodeData(iter.Value(), &s)
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if err != nil {
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return
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}
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sessions = append(sessions, &s)
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}
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return
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}
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func (s *LevelDBStorage) GetUserSessions(user *happydns.User) (sessions []*happydns.Session, err error) {
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iter := s.search("user.session-")
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defer iter.Release()
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for iter.Next() {
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var s happydns.Session
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err = decodeData(iter.Value(), &s)
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if err != nil {
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return
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}
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sessions = append(sessions, &s)
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}
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return
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}
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func (s *LevelDBStorage) CreateSession(session *happydns.Session) error {
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key, id, err := s.findIdentifierKey("user.session-")
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if err != nil {
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return err
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}
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session.Id = id
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return s.put(key, session)
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}
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func (s *LevelDBStorage) UpdateSession(session *happydns.Session) error {
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return s.put(fmt.Sprintf("user.session-%s", session.Id.String()), session)
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}
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func (s *LevelDBStorage) DeleteSession(session *happydns.Session) error {
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return s.delete(fmt.Sprintf("user.session-%s", session.Id.String()))
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}
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func (s *LevelDBStorage) ClearSessions() 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("user.session-")), 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) TidySessions() 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("user.session-")), nil)
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defer iter.Release()
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for iter.Next() {
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session, err := s.getSession(string(iter.Key()))
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if err != nil {
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// Drop unreadable sessions
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log.Printf("Deleting unreadable session (%s): %v\n", err.Error(), session)
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err = tx.Delete(iter.Key(), nil)
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} else {
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_, err = s.GetUser(session.IdUser)
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if err == leveldb.ErrNotFound {
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// Drop session from unexistant users
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log.Printf("Deleting orphan session (user %s not found): %v\n", session.IdUser.String(), session)
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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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