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103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package socks
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import (
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"fmt"
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"github.com/mzz2017/softwind/protocol/direct"
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"github.com/v2rayA/dae/component/outbound/dialer"
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//"github.com/mzz2017/softwind/protocol/socks4"
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"github.com/mzz2017/softwind/protocol/socks5"
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"net"
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"net/url"
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"strconv"
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)
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func init() {
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dialer.FromLinkRegister("socks", NewSocks) // socks -> socks5
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//dialer.FromLinkRegister("socks4", NewSocks)
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//dialer.FromLinkRegister("socks4a", NewSocks)
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dialer.FromLinkRegister("socks5", NewSocks)
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}
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type Socks struct {
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Name string `json:"name"`
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Server string `json:"server"`
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Port int `json:"port"`
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Username string `json:"username"`
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Password string `json:"password"`
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Protocol string `json:"protocol"`
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}
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func NewSocks(option *dialer.GlobalOption, iOption dialer.InstanceOption, link string) (*dialer.Dialer, error) {
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s, err := ParseSocksURL(link)
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if err != nil {
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return nil, dialer.InvalidParameterErr
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}
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return s.Dialer(option, iOption)
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}
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func (s *Socks) Dialer(option *dialer.GlobalOption, iOption dialer.InstanceOption) (*dialer.Dialer, error) {
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link := s.ExportToURL()
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switch s.Protocol {
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case "", "socks", "socks5":
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d, err := socks5.NewSocks5Dialer(link, direct.FullconeDirect) // Socks5 Proxy supports full-cone.
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if err != nil {
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return nil, err
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}
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return dialer.NewDialer(d, option, iOption, dialer.Property{
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Name: s.Name,
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Address: net.JoinHostPort(s.Server, strconv.Itoa(s.Port)),
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Protocol: s.Protocol,
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Link: link,
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}), nil
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//case "socks4", "socks4a":
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// d, err := socks4.NewSocks4Dialer(link, &proxy.Direct{})
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// if err != nil {
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// return nil, err
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// }
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// return dialer.NewDialer(d, false, s.Name, s.Protocol, link), nil
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default:
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return nil, fmt.Errorf("unexpected protocol: %v", s.Protocol)
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}
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}
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func ParseSocksURL(link string) (data *Socks, err error) {
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u, err := url.Parse(link)
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if err != nil {
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return nil, dialer.InvalidParameterErr
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}
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pwd, _ := u.User.Password()
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strPort := u.Port()
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port, err := strconv.Atoi(strPort)
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if err != nil {
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return nil, err
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}
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// socks -> socks5
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if u.Scheme == "socks" {
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u.Scheme = "socks5"
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}
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return &Socks{
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Name: u.Fragment,
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Server: u.Hostname(),
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Port: port,
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Username: u.User.Username(),
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Password: pwd,
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Protocol: u.Scheme,
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}, nil
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}
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func (s *Socks) ExportToURL() string {
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var user *url.Userinfo
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if s.Password != "" {
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user = url.UserPassword(s.Username, s.Password)
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} else {
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user = url.User(s.Username)
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}
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u := url.URL{
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Scheme: s.Protocol,
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User: user,
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Host: net.JoinHostPort(s.Server, strconv.Itoa(s.Port)),
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Fragment: s.Name,
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}
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return u.String()
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}
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