How to Master Coding in C/C++: A Comprehensive Guide

C/C++

Example

package main



import (
      
    "context"
      
    "fmt"
      
    "golang.org/x/net/proxy"
      
    "io/ioutil"
      
    "net"
      
    "net/http"
      
    "net/url"
      
    "strings"
      
    "time"
      
)
      
      
      
var testApi = "https://api.myip.la/en?json"
      
      
      
func main() {
      
    getMyIp()
      
      
      
    //Accounts
      
    var proxyIP = "ip:port"
      
    go httpProxy(proxyIP, "", "")
      
    go Socks5Proxy(proxyIP, "", "")
      
    time.Sleep(time.Minute)
      
}
      
      
      
func getMyIp() {
      
    rsp, err := http.Get("https://api.myip.la/en?json")
      
    if err != nil {
      
        fmt.Println("Failed to get native IP", err.Error())
      
        return
      
    }
      
    defer rsp.Body.Close()
      
    body, err := ioutil.ReadAll(rsp.Body)
      
    if err != nil {
      
        fmt.Println(err.Error())
      
        return
      
    }
      
    fmt.Println(time.Now().Format("2006-01-02 15:04:05 07"), "local ip:", string(body))
      
      
      
}
      
      
      
//http proxy
      
func httpProxy(proxyUrl, user, pass string) {
      
    defer func() {
      
        if err := recover(); err != nil {
      
  fmt.Println(time.Now().Format("2006-01-02 15:04:05 07"), "http", "Return information:", err)
      
        }
      
    }()
      
    urli := url.URL{}
      
      
      
    if !strings.Contains(proxyUrl, "http") {
      
        proxyUrl = fmt.Sprintf("http://%s", proxyUrl)
      
    }
      
      
      
    urlProxy, _ := urli.Parse(proxyUrl)
      
    if user != "" && pass != "" {
      
        urlProxy.User = url.UserPassword(user, pass)
      
    }
      
      
      
    client := &http.Client{
      
        Transport: &http.Transport{
      
  Proxy: http.ProxyURL(urlProxy),
      
        },
      
    }
      
    rqt, err := http.NewRequest("GET", testApi, nil)
      
    if err != nil {
      
        panic(err)
      
        return
      
    }
      
    response, err := client.Do(rqt)
      
    if err != nil {
      
        panic(err)
      
        return
      
    }
      
      
      
    defer response.Body.Close()
      
    body, _ := ioutil.ReadAll(response.Body)
      
    fmt.Println(time.Now().Format("2006-01-02 15:04:05 07"), proxyUrl, "【http success】", "Return information:", response.Status, string(body))
      
      
      
    return
      
}
      
      
      
//Socks5 proxy
      
func Socks5Proxy(proxyUrl, user, pass string) {
      
      
      
    defer func() {
      
        if err := recover(); err != nil {
      
  fmt.Println(time.Now().Format("2006-01-02 15:04:05 07"), proxyUrl, " Return information:", err)
      
        }
      
    }()
      
      
      
    var userAuth proxy.Auth
      
    if user != "" && pass != "" {
      
        userAuth.User = user
      
        userAuth.Password = pass
      
    }
      
    dialer, err := proxy.SOCKS5("tcp", proxyUrl, &userAuth, proxy.Direct)
      
    if err != nil {
      
        panic(err)
      
    }
      
    httpClient := &http.Client{
      
        Transport: &http.Transport{
      
  DialContext: func(ctx context.Context, network, addr string) (conn net.Conn, err error) {
      
      return dialer.Dial(network, addr)
      
  },
      
        },
      
        Timeout: time.Second * 10,
      
    }
      
      
      
    //Request Network
      
    if resp, err := httpClient.Get(testApi); err != nil {
      
        panic(err)
      
    } else {
      
        defer resp.Body.Close()
      
        body, _ := ioutil.ReadAll(resp.Body)
      
        fmt.Println(time.Now().Format("2006-01-02 15:04:05 07"), proxyUrl, "【socks5 success】", " Return information:", string(body))
      
    }
      
}