mirror of
https://github.com/drakkan/sftpgo.git
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220 lines
7.8 KiB
Go
220 lines
7.8 KiB
Go
// Copyright (C) 2019-2023 Nicola Murino
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//
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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
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// by the Free Software Foundation, version 3.
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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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//go:build !noportable
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// +build !noportable
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package service
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import (
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"fmt"
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"math/rand"
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"strings"
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"github.com/sftpgo/sdk"
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"github.com/drakkan/sftpgo/v2/internal/config"
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"github.com/drakkan/sftpgo/v2/internal/dataprovider"
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"github.com/drakkan/sftpgo/v2/internal/ftpd"
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"github.com/drakkan/sftpgo/v2/internal/kms"
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"github.com/drakkan/sftpgo/v2/internal/logger"
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"github.com/drakkan/sftpgo/v2/internal/sftpd"
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"github.com/drakkan/sftpgo/v2/internal/util"
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"github.com/drakkan/sftpgo/v2/internal/version"
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"github.com/drakkan/sftpgo/v2/internal/webdavd"
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)
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// StartPortableMode starts the service in portable mode
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func (s *Service) StartPortableMode(sftpdPort, ftpPort, webdavPort int, enabledSSHCommands []string,
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ftpsCert, ftpsKey, webDavCert, webDavKey string) error {
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if s.PortableMode != 1 {
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return fmt.Errorf("service is not configured for portable mode")
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}
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err := config.LoadConfig(s.ConfigDir, s.ConfigFile)
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if err != nil {
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fmt.Printf("error loading configuration file: %v using defaults\n", err)
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}
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kmsConfig := config.GetKMSConfig()
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err = kmsConfig.Initialize()
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if err != nil {
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return err
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}
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printablePassword := s.configurePortableUser()
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dataProviderConf := config.GetProviderConf()
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dataProviderConf.Driver = dataprovider.MemoryDataProviderName
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dataProviderConf.Name = ""
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config.SetProviderConf(dataProviderConf)
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httpdConf := config.GetHTTPDConfig()
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httpdConf.Bindings = nil
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config.SetHTTPDConfig(httpdConf)
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telemetryConf := config.GetTelemetryConfig()
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telemetryConf.BindPort = 0
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config.SetTelemetryConfig(telemetryConf)
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sftpdConf := config.GetSFTPDConfig()
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sftpdConf.MaxAuthTries = 12
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sftpdConf.Bindings = []sftpd.Binding{
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{
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Port: sftpdPort,
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},
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}
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if sftpdPort >= 0 {
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if sftpdPort > 0 {
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sftpdConf.Bindings[0].Port = sftpdPort
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} else {
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// dynamic ports starts from 49152
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sftpdConf.Bindings[0].Port = 49152 + rand.Intn(15000)
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}
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if util.Contains(enabledSSHCommands, "*") {
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sftpdConf.EnabledSSHCommands = sftpd.GetSupportedSSHCommands()
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} else {
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sftpdConf.EnabledSSHCommands = enabledSSHCommands
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}
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}
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config.SetSFTPDConfig(sftpdConf)
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if ftpPort >= 0 {
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ftpConf := config.GetFTPDConfig()
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binding := ftpd.Binding{}
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if ftpPort > 0 {
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binding.Port = ftpPort
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} else {
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binding.Port = 49152 + rand.Intn(15000)
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}
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ftpConf.Bindings = []ftpd.Binding{binding}
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ftpConf.Banner = fmt.Sprintf("SFTPGo portable %v ready", version.Get().Version)
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ftpConf.CertificateFile = ftpsCert
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ftpConf.CertificateKeyFile = ftpsKey
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config.SetFTPDConfig(ftpConf)
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}
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if webdavPort >= 0 {
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webDavConf := config.GetWebDAVDConfig()
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binding := webdavd.Binding{}
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if webdavPort > 0 {
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binding.Port = webdavPort
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} else {
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binding.Port = 49152 + rand.Intn(15000)
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}
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webDavConf.Bindings = []webdavd.Binding{binding}
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webDavConf.CertificateFile = webDavCert
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webDavConf.CertificateKeyFile = webDavKey
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config.SetWebDAVDConfig(webDavConf)
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}
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err = s.Start(true)
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if err != nil {
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return err
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}
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logger.InfoToConsole("Portable mode ready, user: %#v, password: %#v, public keys: %v, directory: %#v, "+
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"permissions: %+v, enabled ssh commands: %v file patterns filters: %+v %v", s.PortableUser.Username,
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printablePassword, s.PortableUser.PublicKeys, s.getPortableDirToServe(), s.PortableUser.Permissions,
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sftpdConf.EnabledSSHCommands, s.PortableUser.Filters.FilePatterns, s.getServiceOptionalInfoString())
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return nil
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}
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func (s *Service) getServiceOptionalInfoString() string {
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var info strings.Builder
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if config.GetSFTPDConfig().Bindings[0].IsValid() {
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info.WriteString(fmt.Sprintf("SFTP port: %v ", config.GetSFTPDConfig().Bindings[0].Port))
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}
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if config.GetFTPDConfig().Bindings[0].IsValid() {
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info.WriteString(fmt.Sprintf("FTP port: %v ", config.GetFTPDConfig().Bindings[0].Port))
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}
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if config.GetWebDAVDConfig().Bindings[0].IsValid() {
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scheme := "http"
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if config.GetWebDAVDConfig().CertificateFile != "" && config.GetWebDAVDConfig().CertificateKeyFile != "" {
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scheme = "https"
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}
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info.WriteString(fmt.Sprintf("WebDAV URL: %v://<your IP>:%v/", scheme, config.GetWebDAVDConfig().Bindings[0].Port))
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}
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return info.String()
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}
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func (s *Service) getPortableDirToServe() string {
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switch s.PortableUser.FsConfig.Provider {
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case sdk.S3FilesystemProvider:
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return s.PortableUser.FsConfig.S3Config.KeyPrefix
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case sdk.GCSFilesystemProvider:
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return s.PortableUser.FsConfig.GCSConfig.KeyPrefix
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case sdk.AzureBlobFilesystemProvider:
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return s.PortableUser.FsConfig.AzBlobConfig.KeyPrefix
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case sdk.SFTPFilesystemProvider:
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return s.PortableUser.FsConfig.SFTPConfig.Prefix
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case sdk.HTTPFilesystemProvider:
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return "/"
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default:
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return s.PortableUser.HomeDir
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}
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}
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// configures the portable user and return the printable password if any
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func (s *Service) configurePortableUser() string {
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if s.PortableUser.Username == "" {
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s.PortableUser.Username = "user"
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}
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printablePassword := ""
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if s.PortableUser.Password != "" {
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printablePassword = "[redacted]"
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}
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if len(s.PortableUser.PublicKeys) == 0 && s.PortableUser.Password == "" {
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var b strings.Builder
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for i := 0; i < 8; i++ {
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b.WriteRune(chars[rand.Intn(len(chars))])
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}
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s.PortableUser.Password = b.String()
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printablePassword = s.PortableUser.Password
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}
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s.configurePortableSecrets()
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return printablePassword
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}
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func (s *Service) configurePortableSecrets() {
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// we created the user before to initialize the KMS so we need to create the secret here
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switch s.PortableUser.FsConfig.Provider {
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case sdk.S3FilesystemProvider:
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payload := s.PortableUser.FsConfig.S3Config.AccessSecret.GetPayload()
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s.PortableUser.FsConfig.S3Config.AccessSecret = getSecretFromString(payload)
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case sdk.GCSFilesystemProvider:
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payload := s.PortableUser.FsConfig.GCSConfig.Credentials.GetPayload()
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s.PortableUser.FsConfig.GCSConfig.Credentials = getSecretFromString(payload)
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case sdk.AzureBlobFilesystemProvider:
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payload := s.PortableUser.FsConfig.AzBlobConfig.AccountKey.GetPayload()
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s.PortableUser.FsConfig.AzBlobConfig.AccountKey = getSecretFromString(payload)
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payload = s.PortableUser.FsConfig.AzBlobConfig.SASURL.GetPayload()
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s.PortableUser.FsConfig.AzBlobConfig.SASURL = getSecretFromString(payload)
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case sdk.CryptedFilesystemProvider:
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payload := s.PortableUser.FsConfig.CryptConfig.Passphrase.GetPayload()
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s.PortableUser.FsConfig.CryptConfig.Passphrase = getSecretFromString(payload)
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case sdk.SFTPFilesystemProvider:
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payload := s.PortableUser.FsConfig.SFTPConfig.Password.GetPayload()
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s.PortableUser.FsConfig.SFTPConfig.Password = getSecretFromString(payload)
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payload = s.PortableUser.FsConfig.SFTPConfig.PrivateKey.GetPayload()
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s.PortableUser.FsConfig.SFTPConfig.PrivateKey = getSecretFromString(payload)
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payload = s.PortableUser.FsConfig.SFTPConfig.KeyPassphrase.GetPayload()
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s.PortableUser.FsConfig.SFTPConfig.KeyPassphrase = getSecretFromString(payload)
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case sdk.HTTPFilesystemProvider:
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payload := s.PortableUser.FsConfig.HTTPConfig.Password.GetPayload()
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s.PortableUser.FsConfig.HTTPConfig.Password = getSecretFromString(payload)
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payload = s.PortableUser.FsConfig.HTTPConfig.APIKey.GetPayload()
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s.PortableUser.FsConfig.HTTPConfig.APIKey = getSecretFromString(payload)
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}
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}
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func getSecretFromString(payload string) *kms.Secret {
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if payload != "" {
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return kms.NewPlainSecret(payload)
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}
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return kms.NewEmptySecret()
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}
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