58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package main
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import (
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"context"
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"log"
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"net"
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"os"
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"time"
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"github.com/armon/go-socks5"
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"github.com/caarlos0/env"
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)
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type params struct {
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User string `env:"PROXY_USER" envDefault:""`
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Password string `env:"PROXY_PASSWORD" envDefault:""`
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Port string `env:"PROXY_PORT" envDefault:"1080"`
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Timeout time.Duration `env:"DIAL_TIMEOUT" envDefault:"3s"`
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}
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func main() {
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// Working with app params
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cfg := params{}
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err := env.Parse(&cfg)
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if err != nil {
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log.Printf("%+v\n", err)
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}
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//Initialize socks5 config
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socsk5conf := &socks5.Config{
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Logger: log.New(os.Stdout, "", log.LstdFlags),
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Dial: func(ctx context.Context, network, addr string) (net.Conn, error) {
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d := net.Dialer{
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Timeout: cfg.Timeout,
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}
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return d.DialContext(ctx, network, addr)
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},
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}
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if cfg.User+cfg.Password != "" {
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creds := socks5.StaticCredentials{
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os.Getenv("PROXY_USER"): os.Getenv("PROXY_PASSWORD"),
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}
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cator := socks5.UserPassAuthenticator{Credentials: creds}
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socsk5conf.AuthMethods = []socks5.Authenticator{cator}
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}
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server, err := socks5.New(socsk5conf)
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("Start listening proxy service on port %s\n", cfg.Port)
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if err := server.ListenAndServe("tcp", ":"+cfg.Port); err != nil {
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log.Fatal(err)
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}
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}
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