ftp

package
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Published: Sep 21, 2017 License: MIT Imports: 8 Imported by: 0

Documentation

Overview

Package ftp implements a FTP client as described in RFC 959.

A textproto.Error is returned for errors at the protocol level.

Index

Constants

View Source
const (
	StatusInitiating    = 100
	StatusRestartMarker = 110
	StatusReadyMinute   = 120
	StatusAlreadyOpen   = 125
	StatusAboutToSend   = 150

	StatusCommandOK             = 200
	StatusCommandNotImplemented = 202
	StatusSystem                = 211
	StatusDirectory             = 212
	StatusFile                  = 213
	StatusHelp                  = 214
	StatusName                  = 215
	StatusReady                 = 220
	StatusClosing               = 221
	StatusDataConnectionOpen    = 225
	StatusClosingDataConnection = 226
	StatusPassiveMode           = 227
	StatusLongPassiveMode       = 228
	StatusExtendedPassiveMode   = 229
	StatusLoggedIn              = 230
	StatusLoggedOut             = 231
	StatusLogoutAck             = 232
	StatusRequestedFileActionOK = 250
	StatusPathCreated           = 257

	StatusUserOK             = 331
	StatusLoginNeedAccount   = 332
	StatusRequestFilePending = 350

	StatusNotAvailable             = 421
	StatusCanNotOpenDataConnection = 425
	StatusTransfertAborted         = 426
	StatusInvalidCredentials       = 430
	StatusHostUnavailable          = 434
	StatusFileActionIgnored        = 450
	StatusActionAborted            = 451
	Status452                      = 452

	StatusBadCommand              = 500
	StatusBadArguments            = 501
	StatusNotImplemented          = 502
	StatusBadSequence             = 503
	StatusNotImplementedParameter = 504
	StatusNotLoggedIn             = 530
	StatusStorNeedAccount         = 532
	StatusFileUnavailable         = 550
	StatusPageTypeUnknown         = 551
	StatusExceededStorage         = 552
	StatusBadFileName             = 553
)

FTP status codes, defined in RFC 959

Variables

This section is empty.

Functions

This section is empty.

Types

type Entry

type Entry struct {
	Name string
	Type EntryType
	Size uint64
	Time time.Time
}

Entry describes a file and is returned by List().

type EntryType

type EntryType int

EntryType describes the different types of an Entry.

const (
	EntryTypeFile EntryType = iota
	EntryTypeFolder
	EntryTypeLink
)

The differents types of an Entry

type Response

type Response struct {
	// contains filtered or unexported fields
}

Response represents a data-connection

func (*Response) Close

func (r *Response) Close() error

Close implements the io.Closer interface on a FTP data connection. After the first call, Close will do nothing and return nil.

func (*Response) Read

func (r *Response) Read(buf []byte) (int, error)

Read implements the io.Reader interface on a FTP data connection.

func (*Response) SetDeadline

func (r *Response) SetDeadline(t time.Time) error

SetDeadline sets the deadlines associated with the connection.

type ServerConn

type ServerConn struct {
	// Do not use EPSV mode
	DisableEPSV bool
	// contains filtered or unexported fields
}

ServerConn represents the connection to a remote FTP server. It should be protected from concurrent accesses.

func Connect

func Connect(addr string) (*ServerConn, error)

Connect is an alias to Dial, for backward compatibility

func Dial

func Dial(addr string) (*ServerConn, error)

Dial is like DialTimeout with no timeout

func DialTimeout

func DialTimeout(addr string, timeout time.Duration) (*ServerConn, error)

DialTimeout initializes the connection to the specified ftp server address.

It is generally followed by a call to Login() as most FTP commands require an authenticated user.

func (*ServerConn) ChangeDir

func (c *ServerConn) ChangeDir(path string) error

ChangeDir issues a CWD FTP command, which changes the current directory to the specified path.

func (*ServerConn) ChangeDirToParent

func (c *ServerConn) ChangeDirToParent() error

ChangeDirToParent issues a CDUP FTP command, which changes the current directory to the parent directory. This is similar to a call to ChangeDir with a path set to "..".

func (*ServerConn) CurrentDir

func (c *ServerConn) CurrentDir() (string, error)

CurrentDir issues a PWD FTP command, which Returns the path of the current directory.

func (*ServerConn) Delete

func (c *ServerConn) Delete(path string) error

Delete issues a DELE FTP command to delete the specified file from the remote FTP server.

func (*ServerConn) FileSize

func (c *ServerConn) FileSize(path string) (int64, error)

FileSize issues a SIZE FTP command, which Returns the size of the file

func (*ServerConn) List

func (c *ServerConn) List(path string) (entries []*Entry, err error)

List issues a LIST FTP command.

func (*ServerConn) Login

func (c *ServerConn) Login(user, password string) error

Login authenticates the client with specified user and password.

"anonymous"/"anonymous" is a common user/password scheme for FTP servers that allows anonymous read-only accounts.

func (*ServerConn) Logout

func (c *ServerConn) Logout() error

Logout issues a REIN FTP command to logout the current user.

func (*ServerConn) MakeDir

func (c *ServerConn) MakeDir(path string) error

MakeDir issues a MKD FTP command to create the specified directory on the remote FTP server.

func (*ServerConn) NameList

func (c *ServerConn) NameList(path string) (entries []string, err error)

NameList issues an NLST FTP command.

func (*ServerConn) NoOp

func (c *ServerConn) NoOp() error

NoOp issues a NOOP FTP command. NOOP has no effects and is usually used to prevent the remote FTP server to close the otherwise idle connection.

func (*ServerConn) Quit

func (c *ServerConn) Quit() error

Quit issues a QUIT FTP command to properly close the connection from the remote FTP server.

func (*ServerConn) RemoveDir

func (c *ServerConn) RemoveDir(path string) error

RemoveDir issues a RMD FTP command to remove the specified directory from the remote FTP server.

func (*ServerConn) Rename

func (c *ServerConn) Rename(from, to string) error

Rename renames a file on the remote FTP server.

func (*ServerConn) Retr

func (c *ServerConn) Retr(path string) (*Response, error)

Retr issues a RETR FTP command to fetch the specified file from the remote FTP server.

The returned ReadCloser must be closed to cleanup the FTP data connection.

func (*ServerConn) RetrFrom

func (c *ServerConn) RetrFrom(path string, offset uint64) (*Response, error)

RetrFrom issues a RETR FTP command to fetch the specified file from the remote FTP server, the server will not send the offset first bytes of the file.

The returned ReadCloser must be closed to cleanup the FTP data connection.

func (*ServerConn) Stor

func (c *ServerConn) Stor(path string, r io.Reader) error

Stor issues a STOR FTP command to store a file to the remote FTP server. Stor creates the specified file with the content of the io.Reader.

Hint: io.Pipe() can be used if an io.Writer is required.

func (*ServerConn) StorFrom

func (c *ServerConn) StorFrom(path string, r io.Reader, offset uint64) error

StorFrom issues a STOR FTP command to store a file to the remote FTP server. Stor creates the specified file with the content of the io.Reader, writing on the server will start at the given file offset.

Hint: io.Pipe() can be used if an io.Writer is required.

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