sftpgo-mirror/internal/service/service.go
Nicola Murino dba088daed
printf: replace %#v with the more explicit %q
Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
2023-02-27 19:19:57 +01:00

405 lines
14 KiB
Go

// Copyright (C) 2019-2023 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 service allows to start and stop the SFTPGo service
package service
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/rs/zerolog"
"github.com/drakkan/sftpgo/v2/internal/acme"
"github.com/drakkan/sftpgo/v2/internal/common"
"github.com/drakkan/sftpgo/v2/internal/config"
"github.com/drakkan/sftpgo/v2/internal/dataprovider"
"github.com/drakkan/sftpgo/v2/internal/httpd"
"github.com/drakkan/sftpgo/v2/internal/logger"
"github.com/drakkan/sftpgo/v2/internal/plugin"
"github.com/drakkan/sftpgo/v2/internal/util"
"github.com/drakkan/sftpgo/v2/internal/version"
)
const (
logSender = "service"
)
var (
chars = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
graceTime int
)
// Service defines the SFTPGo service
type Service struct {
ConfigDir string
ConfigFile string
LogFilePath string
LogMaxSize int
LogMaxBackups int
LogMaxAge int
PortableMode int
PortableUser dataprovider.User
LogCompress bool
LogLevel string
LogUTCTime bool
LoadDataClean bool
LoadDataFrom string
LoadDataMode int
LoadDataQuotaScan int
Shutdown chan bool
Error error
}
func (s *Service) initLogger() {
var logLevel zerolog.Level
switch s.LogLevel {
case "info":
logLevel = zerolog.InfoLevel
case "warn":
logLevel = zerolog.WarnLevel
case "error":
logLevel = zerolog.ErrorLevel
default:
logLevel = zerolog.DebugLevel
}
if !filepath.IsAbs(s.LogFilePath) && util.IsFileInputValid(s.LogFilePath) {
s.LogFilePath = filepath.Join(s.ConfigDir, s.LogFilePath)
}
logger.InitLogger(s.LogFilePath, s.LogMaxSize, s.LogMaxBackups, s.LogMaxAge, s.LogCompress, s.LogUTCTime, logLevel)
if s.PortableMode == 1 {
logger.EnableConsoleLogger(logLevel)
if s.LogFilePath == "" {
logger.DisableLogger()
}
}
}
// Start initializes and starts the service
func (s *Service) Start(disableAWSInstallationCode bool) error {
s.initLogger()
logger.Info(logSender, "", "starting SFTPGo %v, config dir: %v, config file: %v, log max size: %v log max backups: %v "+
"log max age: %v log level: %v, log compress: %v, log utc time: %v, load data from: %q, grace time: %d secs",
version.GetAsString(), s.ConfigDir, s.ConfigFile, s.LogMaxSize, s.LogMaxBackups, s.LogMaxAge, s.LogLevel,
s.LogCompress, s.LogUTCTime, s.LoadDataFrom, graceTime)
// in portable mode we don't read configuration from file
if s.PortableMode != 1 {
err := config.LoadConfig(s.ConfigDir, s.ConfigFile)
if err != nil {
logger.Error(logSender, "", "error loading configuration: %v", err)
return err
}
}
if !config.HasServicesToStart() {
infoString := "no service configured, nothing to do"
logger.Info(logSender, "", infoString)
logger.InfoToConsole(infoString)
return errors.New(infoString)
}
if err := s.initializeServices(disableAWSInstallationCode); err != nil {
return err
}
s.startServices()
go common.Config.ExecuteStartupHook() //nolint:errcheck
return nil
}
func (s *Service) initializeServices(disableAWSInstallationCode bool) error {
providerConf := config.GetProviderConf()
kmsConfig := config.GetKMSConfig()
err := kmsConfig.Initialize()
if err != nil {
logger.Error(logSender, "", "unable to initialize KMS: %v", err)
logger.ErrorToConsole("unable to initialize KMS: %v", err)
return err
}
mfaConfig := config.GetMFAConfig()
err = mfaConfig.Initialize()
if err != nil {
logger.Error(logSender, "", "unable to initialize MFA: %v", err)
logger.ErrorToConsole("unable to initialize MFA: %v", err)
return err
}
err = dataprovider.Initialize(providerConf, s.ConfigDir, s.PortableMode == 0)
if err != nil {
logger.Error(logSender, "", "error initializing data provider: %v", err)
logger.ErrorToConsole("error initializing data provider: %v", err)
return err
}
if err := plugin.Initialize(config.GetPluginsConfig(), s.LogLevel); err != nil {
logger.Error(logSender, "", "unable to initialize plugin system: %v", err)
logger.ErrorToConsole("unable to initialize plugin system: %v", err)
return err
}
smtpConfig := config.GetSMTPConfig()
err = smtpConfig.Initialize(s.ConfigDir)
if err != nil {
logger.Error(logSender, "", "unable to initialize SMTP configuration: %v", err)
logger.ErrorToConsole("unable to initialize SMTP configuration: %v", err)
return err
}
err = common.Initialize(config.GetCommonConfig(), providerConf.GetShared())
if err != nil {
logger.Error(logSender, "", "%v", err)
logger.ErrorToConsole("%v", err)
return err
}
if s.PortableMode == 1 {
// create the user for portable mode
err = dataprovider.AddUser(&s.PortableUser, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
logger.ErrorToConsole("error adding portable user: %v", err)
return err
}
} else {
acmeConfig := config.GetACMEConfig()
err = acme.Initialize(acmeConfig, s.ConfigDir, true)
if err != nil {
logger.Error(logSender, "", "error initializing ACME configuration: %v", err)
logger.ErrorToConsole("error initializing ACME configuration: %v", err)
return err
}
}
if err := registerAWSContainer(disableAWSInstallationCode); err != nil {
logger.Error(logSender, "", "error registering AWS container: %v", err)
logger.ErrorToConsole("error registering AWS container: %v", err)
return err
}
httpConfig := config.GetHTTPConfig()
err = httpConfig.Initialize(s.ConfigDir)
if err != nil {
logger.Error(logSender, "", "error initializing http client: %v", err)
logger.ErrorToConsole("error initializing http client: %v", err)
return err
}
commandConfig := config.GetCommandConfig()
if err := commandConfig.Initialize(); err != nil {
logger.Error(logSender, "", "error initializing commands configuration: %v", err)
logger.ErrorToConsole("error initializing commands configuration: %v", err)
return err
}
return nil
}
func (s *Service) startServices() {
err := s.LoadInitialData()
if err != nil {
logger.Error(logSender, "", "unable to load initial data: %v", err)
logger.ErrorToConsole("unable to load initial data: %v", err)
}
sftpdConf := config.GetSFTPDConfig()
ftpdConf := config.GetFTPDConfig()
httpdConf := config.GetHTTPDConfig()
webDavDConf := config.GetWebDAVDConfig()
telemetryConf := config.GetTelemetryConfig()
if sftpdConf.ShouldBind() {
go func() {
redactedConf := sftpdConf
redactedConf.KeyboardInteractiveHook = util.GetRedactedURL(sftpdConf.KeyboardInteractiveHook)
logger.Info(logSender, "", "initializing SFTP server with config %+v", redactedConf)
if err := sftpdConf.Initialize(s.ConfigDir); err != nil {
logger.Error(logSender, "", "could not start SFTP server: %v", err)
logger.ErrorToConsole("could not start SFTP server: %v", err)
s.Error = err
}
s.Shutdown <- true
}()
} else {
logger.Info(logSender, "", "SFTP server not started, disabled in config file")
}
if httpdConf.ShouldBind() {
go func() {
providerConf := config.GetProviderConf()
if err := httpdConf.Initialize(s.ConfigDir, providerConf.GetShared()); err != nil {
logger.Error(logSender, "", "could not start HTTP server: %v", err)
logger.ErrorToConsole("could not start HTTP server: %v", err)
s.Error = err
}
s.Shutdown <- true
}()
} else {
logger.Info(logSender, "", "HTTP server not started, disabled in config file")
if s.PortableMode != 1 {
logger.InfoToConsole("HTTP server not started, disabled in config file")
}
}
if ftpdConf.ShouldBind() {
go func() {
if err := ftpdConf.Initialize(s.ConfigDir); err != nil {
logger.Error(logSender, "", "could not start FTP server: %v", err)
logger.ErrorToConsole("could not start FTP server: %v", err)
s.Error = err
}
s.Shutdown <- true
}()
} else {
logger.Info(logSender, "", "FTP server not started, disabled in config file")
}
if webDavDConf.ShouldBind() {
go func() {
if err := webDavDConf.Initialize(s.ConfigDir); err != nil {
logger.Error(logSender, "", "could not start WebDAV server: %v", err)
logger.ErrorToConsole("could not start WebDAV server: %v", err)
s.Error = err
}
s.Shutdown <- true
}()
} else {
logger.Info(logSender, "", "WebDAV server not started, disabled in config file")
}
if telemetryConf.ShouldBind() {
go func() {
if err := telemetryConf.Initialize(s.ConfigDir); err != nil {
logger.Error(logSender, "", "could not start telemetry server: %v", err)
logger.ErrorToConsole("could not start telemetry server: %v", err)
s.Error = err
}
s.Shutdown <- true
}()
} else {
logger.Info(logSender, "", "telemetry server not started, disabled in config file")
if s.PortableMode != 1 {
logger.InfoToConsole("telemetry server not started, disabled in config file")
}
}
}
// Wait blocks until the service exits
func (s *Service) Wait() {
if s.PortableMode != 1 {
registerSignals()
}
<-s.Shutdown
}
// Stop terminates the service unblocking the Wait method
func (s *Service) Stop() {
close(s.Shutdown)
logger.Debug(logSender, "", "Service stopped")
}
// LoadInitialData if a data file is set
func (s *Service) LoadInitialData() error {
if s.LoadDataFrom == "" {
return nil
}
if !filepath.IsAbs(s.LoadDataFrom) {
return fmt.Errorf("invalid input_file %q, it must be an absolute path", s.LoadDataFrom)
}
if s.LoadDataMode < 0 || s.LoadDataMode > 1 {
return fmt.Errorf("invalid loaddata-mode %v", s.LoadDataMode)
}
if s.LoadDataQuotaScan < 0 || s.LoadDataQuotaScan > 2 {
return fmt.Errorf("invalid loaddata-scan %v", s.LoadDataQuotaScan)
}
info, err := os.Stat(s.LoadDataFrom)
if err != nil {
return fmt.Errorf("unable to stat file %q: %w", s.LoadDataFrom, err)
}
if info.Size() > httpd.MaxRestoreSize {
return fmt.Errorf("unable to restore input file %q size too big: %d/%d bytes",
s.LoadDataFrom, info.Size(), httpd.MaxRestoreSize)
}
content, err := os.ReadFile(s.LoadDataFrom)
if err != nil {
return fmt.Errorf("unable to read input file %q: %w", s.LoadDataFrom, err)
}
dump, err := dataprovider.ParseDumpData(content)
if err != nil {
return fmt.Errorf("unable to parse file to restore %q: %w", s.LoadDataFrom, err)
}
err = s.restoreDump(&dump)
if err != nil {
return err
}
logger.Info(logSender, "", "data loaded from file %q mode: %v", s.LoadDataFrom, s.LoadDataMode)
logger.InfoToConsole("data loaded from file %q mode: %v", s.LoadDataFrom, s.LoadDataMode)
if s.LoadDataClean {
err = os.Remove(s.LoadDataFrom)
if err == nil {
logger.Info(logSender, "", "file %q deleted after successful load", s.LoadDataFrom)
logger.InfoToConsole("file %q deleted after successful load", s.LoadDataFrom)
} else {
logger.Warn(logSender, "", "unable to delete file %q after successful load: %v", s.LoadDataFrom, err)
logger.WarnToConsole("unable to delete file %q after successful load: %v", s.LoadDataFrom, err)
}
}
return nil
}
func (s *Service) restoreDump(dump *dataprovider.BackupData) error {
err := httpd.RestoreConfigs(dump.Configs, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore configs from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreIPListEntries(dump.IPLists, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore IP list entries from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreRoles(dump.Roles, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore roles from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreFolders(dump.Folders, s.LoadDataFrom, s.LoadDataMode, s.LoadDataQuotaScan, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore folders from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreGroups(dump.Groups, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore groups from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreUsers(dump.Users, s.LoadDataFrom, s.LoadDataMode, s.LoadDataQuotaScan, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore users from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreAdmins(dump.Admins, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore admins from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreAPIKeys(dump.APIKeys, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore API keys from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreShares(dump.Shares, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore API keys from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreEventActions(dump.EventActions, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem, "", "")
if err != nil {
return fmt.Errorf("unable to restore event actions from file %q: %v", s.LoadDataFrom, err)
}
err = httpd.RestoreEventRules(dump.EventRules, s.LoadDataFrom, s.LoadDataMode, dataprovider.ActionExecutorSystem,
"", "", dump.Version)
if err != nil {
return fmt.Errorf("unable to restore event rules from file %q: %v", s.LoadDataFrom, err)
}
return nil
}
// SetGraceTime sets the grace time
func SetGraceTime(val int) {
graceTime = val
}