sftpgo-mirror/internal/httpd/resetcode.go
Nicola Murino 784b7585c1
remove end year from Copyright notice in files
so we don't have to update all the files every year

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
2024-01-01 11:31:45 +01:00

140 lines
3.7 KiB
Go

// Copyright (C) 2019 Nicola Murino
//
// 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, version 3.
//
// 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 <https://www.gnu.org/licenses/>.
package httpd
import (
"encoding/json"
"sync"
"time"
"github.com/drakkan/sftpgo/v2/internal/dataprovider"
"github.com/drakkan/sftpgo/v2/internal/logger"
"github.com/drakkan/sftpgo/v2/internal/util"
)
var (
resetCodeLifespan = 10 * time.Minute
resetCodesMgr resetCodeManager
)
type resetCodeManager interface {
Add(code *resetCode) error
Get(code string) (*resetCode, error)
Delete(code string) error
Cleanup()
}
func newResetCodeManager(isShared int) resetCodeManager {
if isShared == 1 {
logger.Info(logSender, "", "using provider reset code manager")
return &dbResetCodeManager{}
}
logger.Info(logSender, "", "using memory reset code manager")
return &memoryResetCodeManager{}
}
type resetCode struct {
Code string `json:"code"`
Username string `json:"username"`
IsAdmin bool `json:"is_admin"`
ExpiresAt time.Time `json:"expires_at"`
}
func newResetCode(username string, isAdmin bool) *resetCode {
return &resetCode{
Code: util.GenerateUniqueID(),
Username: username,
IsAdmin: isAdmin,
ExpiresAt: time.Now().Add(resetCodeLifespan).UTC(),
}
}
func (c *resetCode) isExpired() bool {
return c.ExpiresAt.Before(time.Now().UTC())
}
type memoryResetCodeManager struct {
resetCodes sync.Map
}
func (m *memoryResetCodeManager) Add(code *resetCode) error {
m.resetCodes.Store(code.Code, code)
return nil
}
func (m *memoryResetCodeManager) Get(code string) (*resetCode, error) {
c, ok := m.resetCodes.Load(code)
if !ok {
return nil, util.NewRecordNotFoundError("reset code not found")
}
return c.(*resetCode), nil
}
func (m *memoryResetCodeManager) Delete(code string) error {
m.resetCodes.Delete(code)
return nil
}
func (m *memoryResetCodeManager) Cleanup() {
m.resetCodes.Range(func(key, value any) bool {
c, ok := value.(*resetCode)
if !ok || c.isExpired() {
m.resetCodes.Delete(key)
}
return true
})
}
type dbResetCodeManager struct{}
func (m *dbResetCodeManager) Add(code *resetCode) error {
session := dataprovider.Session{
Key: code.Code,
Data: code,
Type: dataprovider.SessionTypeResetCode,
Timestamp: util.GetTimeAsMsSinceEpoch(code.ExpiresAt),
}
return dataprovider.AddSharedSession(session)
}
func (m *dbResetCodeManager) Get(code string) (*resetCode, error) {
session, err := dataprovider.GetSharedSession(code)
if err != nil {
return nil, err
}
if session.Timestamp < util.GetTimeAsMsSinceEpoch(time.Now()) {
// expired
return nil, util.NewRecordNotFoundError("reset code expired")
}
return m.decodeData(session.Data)
}
func (m *dbResetCodeManager) decodeData(data any) (*resetCode, error) {
if val, ok := data.([]byte); ok {
c := &resetCode{}
err := json.Unmarshal(val, c)
return c, err
}
logger.Error(logSender, "", "invalid reset code data type %T", data)
return nil, util.NewRecordNotFoundError("invalid reset code")
}
func (m *dbResetCodeManager) Delete(code string) error {
return dataprovider.DeleteSharedSession(code)
}
func (m *dbResetCodeManager) Cleanup() {
dataprovider.CleanupSharedSessions(dataprovider.SessionTypeResetCode, time.Now()) //nolint:errcheck
}