mirror of
https://github.com/drakkan/sftpgo.git
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304 lines
11 KiB
Go
304 lines
11 KiB
Go
// +build !noportable
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package cmd
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import (
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"encoding/base64"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/spf13/cobra"
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"github.com/drakkan/sftpgo/common"
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"github.com/drakkan/sftpgo/dataprovider"
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"github.com/drakkan/sftpgo/service"
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"github.com/drakkan/sftpgo/sftpd"
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"github.com/drakkan/sftpgo/version"
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"github.com/drakkan/sftpgo/vfs"
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)
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var (
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directoryToServe string
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portableSFTPDPort int
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portableAdvertiseService bool
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portableAdvertiseCredentials bool
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portableUsername string
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portablePassword string
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portableLogFile string
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portableLogVerbose bool
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portablePublicKeys []string
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portablePermissions []string
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portableSSHCommands []string
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portableAllowedExtensions []string
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portableDeniedExtensions []string
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portableFsProvider int
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portableS3Bucket string
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portableS3Region string
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portableS3AccessKey string
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portableS3AccessSecret string
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portableS3Endpoint string
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portableS3StorageClass string
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portableS3KeyPrefix string
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portableS3ULPartSize int
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portableS3ULConcurrency int
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portableGCSBucket string
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portableGCSCredentialsFile string
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portableGCSAutoCredentials int
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portableGCSStorageClass string
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portableGCSKeyPrefix string
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portableFTPDPort int
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portableFTPSCert string
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portableFTPSKey string
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portableWebDAVPort int
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portableWebDAVCert string
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portableWebDAVKey string
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portableCmd = &cobra.Command{
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Use: "portable",
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Short: "Serve a single directory",
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Long: `To serve the current working directory with auto generated credentials simply
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use:
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$ sftpgo portable
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Please take a look at the usage below to customize the serving parameters`,
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Run: func(cmd *cobra.Command, args []string) {
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portableDir := directoryToServe
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if !filepath.IsAbs(portableDir) {
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if portableFsProvider == 0 {
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portableDir, _ = filepath.Abs(portableDir)
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} else {
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portableDir = os.TempDir()
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}
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}
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permissions := make(map[string][]string)
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permissions["/"] = portablePermissions
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portableGCSCredentials := ""
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if portableFsProvider == 2 && len(portableGCSCredentialsFile) > 0 {
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fi, err := os.Stat(portableGCSCredentialsFile)
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if err != nil {
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fmt.Printf("Invalid GCS credentials file: %v\n", err)
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os.Exit(1)
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}
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if fi.Size() > 1048576 {
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fmt.Printf("Invalid GCS credentials file: %#v is too big %v/1048576 bytes\n", portableGCSCredentialsFile,
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fi.Size())
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os.Exit(1)
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}
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creds, err := ioutil.ReadFile(portableGCSCredentialsFile)
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if err != nil {
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fmt.Printf("Unable to read credentials file: %v\n", err)
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}
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portableGCSCredentials = base64.StdEncoding.EncodeToString(creds)
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portableGCSAutoCredentials = 0
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}
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if portableFTPDPort >= 0 && len(portableFTPSCert) > 0 && len(portableFTPSKey) > 0 {
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_, err := common.NewCertManager(portableFTPSCert, portableFTPSKey, "FTP portable")
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if err != nil {
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fmt.Printf("Unable to load FTPS key pair, cert file %#v key file %#v error: %v\n",
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portableFTPSCert, portableFTPSKey, err)
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os.Exit(1)
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}
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}
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if portableWebDAVPort > 0 && len(portableWebDAVCert) > 0 && len(portableWebDAVKey) > 0 {
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_, err := common.NewCertManager(portableWebDAVCert, portableWebDAVKey, "WebDAV portable")
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if err != nil {
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fmt.Printf("Unable to load WebDAV key pair, cert file %#v key file %#v error: %v\n",
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portableWebDAVCert, portableWebDAVKey, err)
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os.Exit(1)
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}
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}
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service := service.Service{
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ConfigDir: filepath.Clean(defaultConfigDir),
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ConfigFile: defaultConfigName,
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LogFilePath: portableLogFile,
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LogMaxSize: defaultLogMaxSize,
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LogMaxBackups: defaultLogMaxBackup,
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LogMaxAge: defaultLogMaxAge,
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LogCompress: defaultLogCompress,
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LogVerbose: portableLogVerbose,
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Profiler: defaultProfiler,
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Shutdown: make(chan bool),
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PortableMode: 1,
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PortableUser: dataprovider.User{
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Username: portableUsername,
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Password: portablePassword,
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PublicKeys: portablePublicKeys,
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Permissions: permissions,
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HomeDir: portableDir,
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Status: 1,
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FsConfig: dataprovider.Filesystem{
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Provider: portableFsProvider,
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S3Config: vfs.S3FsConfig{
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Bucket: portableS3Bucket,
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Region: portableS3Region,
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AccessKey: portableS3AccessKey,
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AccessSecret: portableS3AccessSecret,
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Endpoint: portableS3Endpoint,
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StorageClass: portableS3StorageClass,
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KeyPrefix: portableS3KeyPrefix,
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UploadPartSize: int64(portableS3ULPartSize),
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UploadConcurrency: portableS3ULConcurrency,
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},
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GCSConfig: vfs.GCSFsConfig{
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Bucket: portableGCSBucket,
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Credentials: portableGCSCredentials,
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AutomaticCredentials: portableGCSAutoCredentials,
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StorageClass: portableGCSStorageClass,
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KeyPrefix: portableGCSKeyPrefix,
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},
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},
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Filters: dataprovider.UserFilters{
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FileExtensions: parseFileExtensionsFilters(),
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},
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},
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}
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if err := service.StartPortableMode(portableSFTPDPort, portableFTPDPort, portableWebDAVPort, portableSSHCommands, portableAdvertiseService,
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portableAdvertiseCredentials, portableFTPSCert, portableFTPSKey, portableWebDAVCert, portableWebDAVKey); err == nil {
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service.Wait()
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if service.Error == nil {
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os.Exit(0)
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}
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}
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os.Exit(1)
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},
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}
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)
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func init() {
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version.AddFeature("+portable")
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portableCmd.Flags().StringVarP(&directoryToServe, "directory", "d", ".", `Path to the directory to serve.
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This can be an absolute path or a path
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relative to the current directory
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`)
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portableCmd.Flags().IntVarP(&portableSFTPDPort, "sftpd-port", "s", 0, "0 means a random unprivileged port")
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portableCmd.Flags().IntVar(&portableFTPDPort, "ftpd-port", -1, `0 means a random unprivileged port,
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< 0 disabled`)
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portableCmd.Flags().IntVar(&portableWebDAVPort, "webdav-port", -1, `0 means a random unprivileged port,
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< 0 disabled`)
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portableCmd.Flags().StringSliceVarP(&portableSSHCommands, "ssh-commands", "c", sftpd.GetDefaultSSHCommands(),
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`SSH commands to enable.
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"*" means any supported SSH command
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including scp
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`)
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portableCmd.Flags().StringVarP(&portableUsername, "username", "u", "", `Leave empty to use an auto generated
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value`)
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portableCmd.Flags().StringVarP(&portablePassword, "password", "p", "", `Leave empty to use an auto generated
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value`)
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portableCmd.Flags().StringVarP(&portableLogFile, logFilePathFlag, "l", "", "Leave empty to disable logging")
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portableCmd.Flags().BoolVarP(&portableLogVerbose, logVerboseFlag, "v", false, "Enable verbose logs")
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portableCmd.Flags().StringSliceVarP(&portablePublicKeys, "public-key", "k", []string{}, "")
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portableCmd.Flags().StringSliceVarP(&portablePermissions, "permissions", "g", []string{"list", "download"},
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`User's permissions. "*" means any
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permission`)
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portableCmd.Flags().StringArrayVar(&portableAllowedExtensions, "allowed-extensions", []string{},
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`Allowed file extensions case
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insensitive. The format is
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/dir::ext1,ext2.
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For example: "/somedir::.jpg,.png"`)
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portableCmd.Flags().StringArrayVar(&portableDeniedExtensions, "denied-extensions", []string{},
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`Denied file extensions case
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insensitive. The format is
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/dir::ext1,ext2.
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For example: "/somedir::.jpg,.png"`)
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portableCmd.Flags().BoolVarP(&portableAdvertiseService, "advertise-service", "S", false,
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`Advertise SFTP/FTP service using
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multicast DNS`)
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portableCmd.Flags().BoolVarP(&portableAdvertiseCredentials, "advertise-credentials", "C", false,
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`If the SFTP/FTP service is
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advertised via multicast DNS, this
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flag allows to put username/password
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inside the advertised TXT record`)
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portableCmd.Flags().IntVarP(&portableFsProvider, "fs-provider", "f", 0, `0 means local filesystem,
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1 Amazon S3 compatible,
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2 Google Cloud Storage`)
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portableCmd.Flags().StringVar(&portableS3Bucket, "s3-bucket", "", "")
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portableCmd.Flags().StringVar(&portableS3Region, "s3-region", "", "")
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portableCmd.Flags().StringVar(&portableS3AccessKey, "s3-access-key", "", "")
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portableCmd.Flags().StringVar(&portableS3AccessSecret, "s3-access-secret", "", "")
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portableCmd.Flags().StringVar(&portableS3Endpoint, "s3-endpoint", "", "")
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portableCmd.Flags().StringVar(&portableS3StorageClass, "s3-storage-class", "", "")
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portableCmd.Flags().StringVar(&portableS3KeyPrefix, "s3-key-prefix", "", `Allows to restrict access to the
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virtual folder identified by this
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prefix and its contents`)
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portableCmd.Flags().IntVar(&portableS3ULPartSize, "s3-upload-part-size", 5, `The buffer size for multipart uploads
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(MB)`)
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portableCmd.Flags().IntVar(&portableS3ULConcurrency, "s3-upload-concurrency", 2, `How many parts are uploaded in
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parallel`)
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portableCmd.Flags().StringVar(&portableGCSBucket, "gcs-bucket", "", "")
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portableCmd.Flags().StringVar(&portableGCSStorageClass, "gcs-storage-class", "", "")
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portableCmd.Flags().StringVar(&portableGCSKeyPrefix, "gcs-key-prefix", "", `Allows to restrict access to the
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virtual folder identified by this
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prefix and its contents`)
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portableCmd.Flags().StringVar(&portableGCSCredentialsFile, "gcs-credentials-file", "", `Google Cloud Storage JSON credentials
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file`)
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portableCmd.Flags().IntVar(&portableGCSAutoCredentials, "gcs-automatic-credentials", 1, `0 means explicit credentials using
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a JSON credentials file, 1 automatic
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`)
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portableCmd.Flags().StringVar(&portableFTPSCert, "ftpd-cert", "", "Path to the certificate file for FTPS")
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portableCmd.Flags().StringVar(&portableFTPSKey, "ftpd-key", "", "Path to the key file for FTPS")
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portableCmd.Flags().StringVar(&portableWebDAVCert, "webdav-cert", "", `Path to the certificate file for WebDAV
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over HTTPS`)
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portableCmd.Flags().StringVar(&portableWebDAVKey, "webdav-key", "", `Path to the key file for WebDAV over
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HTTPS`)
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rootCmd.AddCommand(portableCmd)
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}
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func parseFileExtensionsFilters() []dataprovider.ExtensionsFilter {
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var extensions []dataprovider.ExtensionsFilter
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for _, val := range portableAllowedExtensions {
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p, exts := getExtensionsFilterValues(strings.TrimSpace(val))
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if len(p) > 0 {
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extensions = append(extensions, dataprovider.ExtensionsFilter{
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Path: path.Clean(p),
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AllowedExtensions: exts,
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DeniedExtensions: []string{},
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})
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}
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}
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for _, val := range portableDeniedExtensions {
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p, exts := getExtensionsFilterValues(strings.TrimSpace(val))
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if len(p) > 0 {
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found := false
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for index, e := range extensions {
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if path.Clean(e.Path) == path.Clean(p) {
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extensions[index].DeniedExtensions = append(extensions[index].DeniedExtensions, exts...)
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found = true
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break
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}
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}
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if !found {
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extensions = append(extensions, dataprovider.ExtensionsFilter{
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Path: path.Clean(p),
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AllowedExtensions: []string{},
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DeniedExtensions: exts,
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})
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}
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}
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}
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return extensions
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}
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func getExtensionsFilterValues(value string) (string, []string) {
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if strings.Contains(value, "::") {
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dirExts := strings.Split(value, "::")
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if len(dirExts) > 1 {
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dir := strings.TrimSpace(dirExts[0])
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exts := []string{}
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for _, e := range strings.Split(dirExts[1], ",") {
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cleanedExt := strings.TrimSpace(e)
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if len(cleanedExt) > 0 {
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exts = append(exts, cleanedExt)
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}
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}
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if len(dir) > 0 && len(exts) > 0 {
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return dir, exts
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}
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}
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}
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return "", nil
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}
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