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serve ftp: refactor to bring into line with other serve commands
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commit
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@ -16,19 +16,52 @@ import (
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ftp "github.com/goftp/server"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/cmd/serve/ftp/ftpflags"
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"github.com/rclone/rclone/cmd/serve/ftp/ftpopt"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/accounting"
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"github.com/rclone/rclone/fs/config/flags"
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"github.com/rclone/rclone/fs/log"
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"github.com/rclone/rclone/fs/rc"
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"github.com/rclone/rclone/vfs"
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"github.com/rclone/rclone/vfs/vfsflags"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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// Options contains options for the http Server
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type Options struct {
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//TODO add more options
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ListenAddr string // Port to listen on
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PublicIP string // Passive ports range
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PassivePorts string // Passive ports range
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BasicUser string // single username for basic auth if not using Htpasswd
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BasicPass string // password for BasicUser
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}
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// DefaultOpt is the default values used for Options
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var DefaultOpt = Options{
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ListenAddr: "localhost:2121",
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PublicIP: "",
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PassivePorts: "30000-32000",
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BasicUser: "anonymous",
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BasicPass: "",
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}
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// Opt is options set by command line flags
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var Opt = DefaultOpt
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// AddFlags adds flags for ftp
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func AddFlags(flagSet *pflag.FlagSet) {
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rc.AddOption("ftp", &Opt)
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flags.StringVarP(flagSet, &Opt.ListenAddr, "addr", "", Opt.ListenAddr, "IPaddress:Port or :Port to bind server to.")
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flags.StringVarP(flagSet, &Opt.PublicIP, "public-ip", "", Opt.PublicIP, "Public IP address to advertise for passive connections.")
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flags.StringVarP(flagSet, &Opt.PassivePorts, "passive-port", "", Opt.PassivePorts, "Passive port range to use.")
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flags.StringVarP(flagSet, &Opt.BasicUser, "user", "", Opt.BasicUser, "User name for authentication.")
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flags.StringVarP(flagSet, &Opt.BasicPass, "pass", "", Opt.BasicPass, "Password for authentication. (empty value allow every password)")
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}
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func init() {
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ftpflags.AddFlags(Command.Flags())
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vfsflags.AddFlags(Command.Flags())
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AddFlags(Command.Flags())
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}
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// Command definition for cobra
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@ -39,12 +72,28 @@ var Command = &cobra.Command{
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rclone serve ftp implements a basic ftp server to serve the
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remote over FTP protocol. This can be viewed with a ftp client
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or you can make a remote of type ftp to read and write it.
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` + ftpopt.Help + vfs.Help,
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### Server options
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Use --addr to specify which IP address and port the server should
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listen on, eg --addr 1.2.3.4:8000 or --addr :8080 to listen to all
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IPs. By default it only listens on localhost. You can use port
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:0 to let the OS choose an available port.
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If you set --addr to listen on a public or LAN accessible IP address
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then using Authentication is advised - see the next section for info.
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#### Authentication
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By default this will serve files without needing a login.
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You can set a single username and password with the --user and --pass flags.
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` + vfs.Help,
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Run: func(command *cobra.Command, args []string) {
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cmd.CheckArgs(1, 1, command, args)
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f := cmd.NewFsSrc(args)
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cmd.Run(false, false, command, func() error {
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s, err := newServer(f, &ftpflags.Opt)
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s, err := newServer(f, &Opt)
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if err != nil {
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return err
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}
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@ -57,10 +106,11 @@ or you can make a remote of type ftp to read and write it.
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type server struct {
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f fs.Fs
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srv *ftp.Server
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opt Options
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}
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// Make a new FTP to serve the remote
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func newServer(f fs.Fs, opt *ftpopt.Options) (*server, error) {
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func newServer(f fs.Fs, opt *Options) (*server, error) {
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host, port, err := net.SplitHostPort(opt.ListenAddr)
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if err != nil {
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return nil, errors.New("Failed to parse host:port")
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@ -70,6 +120,10 @@ func newServer(f fs.Fs, opt *ftpopt.Options) (*server, error) {
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return nil, errors.New("Failed to parse host:port")
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}
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s := &server{
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f: f,
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opt: *opt,
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}
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ftpopt := &ftp.ServerOpts{
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Name: "Rclone FTP Server",
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WelcomeMessage: "Welcome on Rclone FTP Server",
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@ -80,17 +134,12 @@ func newServer(f fs.Fs, opt *ftpopt.Options) (*server, error) {
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Port: portNum,
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PublicIp: opt.PublicIP,
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PassivePorts: opt.PassivePorts,
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Auth: &Auth{
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BasicUser: opt.BasicUser,
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BasicPass: opt.BasicPass,
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},
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Logger: &Logger{},
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Auth: &Auth{s},
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Logger: &Logger{},
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//TODO implement a maximum of https://godoc.org/github.com/goftp/server#ServerOpts
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}
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return &server{
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f: f,
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srv: ftp.NewServer(ftpopt),
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}, nil
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s.srv = ftp.NewServer(ftpopt)
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return s, nil
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}
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// serve runs the ftp server
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@ -134,13 +183,12 @@ func (l *Logger) PrintResponse(sessionID string, code int, message string) {
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//Auth struct to handle ftp auth (temporary simple for POC)
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type Auth struct {
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BasicUser string
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BasicPass string
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s *server
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}
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//CheckPasswd handle auth based on configuration
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func (a *Auth) CheckPasswd(user, pass string) (bool, error) {
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return a.BasicUser == user && (a.BasicPass == "" || a.BasicPass == pass), nil
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return a.s.opt.BasicUser == user && (a.s.opt.BasicPass == "" || a.s.opt.BasicPass == pass), nil
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}
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//DriverFactory factory of ftp driver for each session
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@ -16,7 +16,6 @@ import (
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ftp "github.com/goftp/server"
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_ "github.com/rclone/rclone/backend/local"
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"github.com/rclone/rclone/cmd/serve/ftp/ftpopt"
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"github.com/rclone/rclone/fstest"
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"github.com/stretchr/testify/assert"
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)
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@ -30,7 +29,7 @@ const (
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// TestFTP runs the ftp server then runs the unit tests for the
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// ftp remote against it.
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func TestFTP(t *testing.T) {
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opt := ftpopt.DefaultOpt
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opt := DefaultOpt
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opt.ListenAddr = testHOST + ":" + testPORT
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opt.PassivePorts = testPASSIVEPORTRANGE
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opt.BasicUser = "rclone"
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@ -1,28 +0,0 @@
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package ftpflags
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import (
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"github.com/rclone/rclone/cmd/serve/ftp/ftpopt"
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"github.com/rclone/rclone/fs/config/flags"
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"github.com/rclone/rclone/fs/rc"
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"github.com/spf13/pflag"
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)
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// Options set by command line flags
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var (
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Opt = ftpopt.DefaultOpt
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)
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// AddFlagsPrefix adds flags for the ftpopt
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func AddFlagsPrefix(flagSet *pflag.FlagSet, prefix string, Opt *ftpopt.Options) {
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rc.AddOption("ftp", &Opt)
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flags.StringVarP(flagSet, &Opt.ListenAddr, prefix+"addr", "", Opt.ListenAddr, "IPaddress:Port or :Port to bind server to.")
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flags.StringVarP(flagSet, &Opt.PublicIP, prefix+"public-ip", "", Opt.PublicIP, "Public IP address to advertise for passive connections.")
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flags.StringVarP(flagSet, &Opt.PassivePorts, prefix+"passive-port", "", Opt.PassivePorts, "Passive port range to use.")
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flags.StringVarP(flagSet, &Opt.BasicUser, prefix+"user", "", Opt.BasicUser, "User name for authentication.")
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flags.StringVarP(flagSet, &Opt.BasicPass, prefix+"pass", "", Opt.BasicPass, "Password for authentication. (empty value allow every password)")
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}
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// AddFlags adds flags for the httplib
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func AddFlags(flagSet *pflag.FlagSet) {
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AddFlagsPrefix(flagSet, "", &Opt)
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}
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@ -1,40 +0,0 @@
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package ftpopt
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// Help contains text describing the http server to add to the command
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// help.
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var Help = `
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### Server options
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Use --addr to specify which IP address and port the server should
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listen on, eg --addr 1.2.3.4:8000 or --addr :8080 to listen to all
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IPs. By default it only listens on localhost. You can use port
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:0 to let the OS choose an available port.
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If you set --addr to listen on a public or LAN accessible IP address
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then using Authentication is advised - see the next section for info.
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#### Authentication
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By default this will serve files without needing a login.
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You can set a single username and password with the --user and --pass flags.
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`
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// Options contains options for the http Server
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type Options struct {
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//TODO add more options
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ListenAddr string // Port to listen on
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PublicIP string // Passive ports range
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PassivePorts string // Passive ports range
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BasicUser string // single username for basic auth if not using Htpasswd
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BasicPass string // password for BasicUser
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}
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// DefaultOpt is the default values used for Options
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var DefaultOpt = Options{
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ListenAddr: "localhost:2121",
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PublicIP: "",
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PassivePorts: "30000-32000",
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BasicUser: "anonymous",
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BasicPass: "",
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}
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