sftp

type Config struct {
	Host           string
	Port           string // default "22"
	User           string
	Password       string // password auth (optional if key is set)
	PrivateKeyPath string // path to PEM-encoded private key (optional if password is set)
	BasePath       string
	// HostKeyCallback is called during the cryptographic handshake to
	// validate the server's host key. If nil, a default secure callback
	// is used that checks KnownHostsPath or the default system known_hosts.
	HostKeyCallback ssh.HostKeyCallback
	// KnownHostsPath is the path to the known_hosts file. If empty,
	// platform defaults are used (~/.ssh/known_hosts).
	KnownHostsPath string
}