698 lines
19 KiB
Go
698 lines
19 KiB
Go
package main
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/*
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#include <stdlib.h>
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*/
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import "C"
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import (
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"crypto/md5"
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"encoding/json"
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"fmt"
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"github.com/parnurzeal/gorequest"
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"log"
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"math/rand"
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"net/url"
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"strings"
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"sync"
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"time"
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"unsafe"
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)
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// 代理类型常量
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const (
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CalfElephantProxyType = "CALF_ELEPHANT_PROXY"
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TailProxyType = "TAIL_PROXY"
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)
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// 代理服务器列表
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var (
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servers = []string{
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"http-dynamic.xiaoxiangdaili.com",
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"http-dynamic-S02.xiaoxiangdaili.com",
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"http-dynamic-S03.xiaoxiangdaili.com",
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"http-dynamic-S04.xiaoxiangdaili.com",
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}
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randMutex sync.Mutex
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globalRand *rand.Rand
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// 代理健康状态管理
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proxyHealthMaps = make(map[string]*ProxyHealth)
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proxyHealthMutex sync.RWMutex
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)
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// ProxyManager 代理管理器结构体
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type ProxyManager struct {
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servers []string `json:"servers"` // 代理服务器列表
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username string `json:"username"` // 代理账号
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password string `json:"password"` // 代理密码
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tailCardSecret string `json:"tail_card_secret"` // 尾巴代理卡密
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proxyType string `json:"proxy_type"` // 代理类型 CALF_ELEPHANT_PROXY/TAIL_PROXY
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}
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// 代理健康状态
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type ProxyHealth struct {
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SuccessCount int // 成功次数
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FailCount int // 失败次数
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LastCheck time.Time // 最后检查时间
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ResponseTime time.Duration // 响应时间
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IsHealthy bool // 是否健康
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}
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func init() {
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// 创建全局的随机数生成器
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globalRand = rand.New(rand.NewSource(time.Now().UnixNano()))
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}
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// 获取代理URL
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func proxyTypeManager(proxyType, username, password, machineCode string) (string, error) {
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switch proxyType {
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case CalfElephantProxyType:
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return buildCalfElephantProxyURL(username, password)
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case TailProxyType:
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return buildTailProxyURL(machineCode)
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default:
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return "", fmt.Errorf("不支持的代理类型: %s", proxyType)
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}
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}
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// 构建小象代理URL
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func buildCalfElephantProxyURL(username, password string) (string, error) {
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server := randomServer()
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proxyURL := fmt.Sprintf("http://%s:%s@%s:%d",
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url.QueryEscape(username),
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url.QueryEscape(password),
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server,
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10030)
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// 检测代理可用性
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if err := checkProxyHealth(proxyURL); err != nil {
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log.Printf("[WARN] 代理 %s 检测失败: %v", server, err)
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// 尝试下一个代理服务器
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return tryNextCalfElephantProxy(username, password, server)
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}
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log.Printf("[INFO] 使用小象代理: %s", server)
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return proxyURL, nil
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}
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// 尝试下一个小象代理服务器
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func tryNextCalfElephantProxy(username, password, failedServer string) (string, error) {
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// 创建服务器副本并排除失败的服务器
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availableServers := make([]string, 0)
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for _, server := range servers {
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if server != failedServer {
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availableServers = append(availableServers, server)
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}
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}
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if len(availableServers) == 0 {
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return "", fmt.Errorf("所有小象代理服务器都不可用")
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}
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// 随机尝试可用服务器
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for _, server := range shuffleServers(availableServers) {
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proxyURL := fmt.Sprintf("http://%s:%s@%s:%d",
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url.QueryEscape(username),
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url.QueryEscape(password),
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server,
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10030)
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if err := checkProxyHealth(proxyURL); err == nil {
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log.Printf("[INFO] 切换到可用代理: %s", server)
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return proxyURL, nil
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}
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log.Printf("[WARN] 代理 %s 检测失败", server)
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}
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return "", fmt.Errorf("所有可用的小象代理服务器都检测失败")
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}
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// 构建内置代理URL
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func buildTailProxyURL(machineCode string) (string, error) {
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proxies, err := getProxies(machineCode)
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if err != nil {
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return "", err
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}
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if len(proxies) == 0 {
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return "", fmt.Errorf("未获取到有效代理")
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}
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// 过滤并选择健康的代理
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healthyProxies := filterHealthyProxies(proxies)
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if len(healthyProxies) > 0 {
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proxyURL := "http://" + randomElement(healthyProxies)
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log.Printf("[INFO] 使用健康尾巴代理: %s", proxyURL)
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return proxyURL, nil
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}
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// 如果没有健康代理，检测所有代理
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log.Printf("[INFO] 未找到健康代理，开始检测代理可用性...")
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return findWorkingTailProxy(proxies)
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}
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// 过滤健康代理
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func filterHealthyProxies(proxies []string) []string {
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proxyHealthMutex.RLock()
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defer proxyHealthMutex.RUnlock()
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var healthy []string
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for _, proxy := range proxies {
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if health, exists := proxyHealthMaps[proxy]; exists && health.IsHealthy {
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// 检查是否在最近检查过（5分钟内）
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if time.Since(health.LastCheck) < 5*time.Minute {
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healthy = append(healthy, proxy)
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}
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}
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}
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return healthy
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}
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// 查找可用的尾巴代理
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func findWorkingTailProxy(proxies []string) (string, error) {
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// 打乱代理顺序
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shuffledProxies := shuffleServers(proxies)
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// 并发检测代理
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type proxyResult struct {
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proxy string
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err error
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}
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ch := make(chan proxyResult, len(shuffledProxies))
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var wg sync.WaitGroup
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// 限制并发数
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sem := make(chan struct{}, 5)
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for _, proxy := range shuffledProxies {
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wg.Add(1)
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go func(p string) {
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defer wg.Done()
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sem <- struct{}{}
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defer func() { <-sem }()
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proxyURL := "http://" + p
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err := checkProxyHealth(proxyURL)
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ch <- proxyResult{proxy: p, err: err}
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}(proxy)
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}
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wg.Wait()
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close(ch)
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// 收集结果
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var workingProxies []string
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for result := range ch {
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if result.err == nil {
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workingProxies = append(workingProxies, result.proxy)
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// 更新健康状态
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updateProxyHealth(result.proxy, true, 0)
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} else {
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updateProxyHealth(result.proxy, false, 0)
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}
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}
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if len(workingProxies) > 0 {
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selected := randomElement(workingProxies)
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log.Printf("[INFO] 找到可用代理: %s (共 %d 个可用)", selected, len(workingProxies))
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return "http://" + selected, nil
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}
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return "", fmt.Errorf("所有尾巴代理都不可用")
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}
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// 检测代理健康状态
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func checkProxyHealth(proxyURL string) error {
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start := time.Now()
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req := gorequest.New().Proxy(proxyURL).Timeout(10 * time.Second)
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resp, _, errs := req.Get("https://shop.kongfz.com/").End()
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responseTime := time.Since(start)
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if len(errs) > 0 {
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updateProxyHealth(proxyURL, false, responseTime)
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return fmt.Errorf("代理连接失败: %v", errs)
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}
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if resp.StatusCode != 200 {
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updateProxyHealth(proxyURL, false, responseTime)
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return fmt.Errorf("代理响应状态码错误: %d", resp.StatusCode)
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}
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updateProxyHealth(proxyURL, true, responseTime)
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log.Printf("[DEBUG] 代理 %s 检测成功, 响应时间: %v", getProxyHost(proxyURL), responseTime)
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return nil
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}
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// 更新代理健康状态
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func updateProxyHealth(proxyURL string, success bool, responseTime time.Duration) {
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proxyHealthMutex.Lock()
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defer proxyHealthMutex.Unlock()
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host := getProxyHost(proxyURL)
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if _, exists := proxyHealthMaps[host]; !exists {
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proxyHealthMaps[host] = &ProxyHealth{}
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}
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health := proxyHealthMaps[host]
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health.LastCheck = time.Now()
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if success {
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health.SuccessCount++
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health.FailCount = 0
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health.ResponseTime = responseTime
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health.IsHealthy = true
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} else {
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health.FailCount++
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health.SuccessCount = 0
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// 连续失败3次标记为不健康
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if health.FailCount >= 3 {
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health.IsHealthy = false
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}
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}
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}
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// 获取代理主机名
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func getProxyHost(proxyURL string) string {
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if strings.HasPrefix(proxyURL, "http://") {
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proxyURL = proxyURL[7:]
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}
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// 去除认证信息
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if atIndex := strings.Index(proxyURL, "@"); atIndex != -1 {
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proxyURL = proxyURL[atIndex+1:]
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}
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// 去除端口
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if colonIndex := strings.Index(proxyURL, ":"); colonIndex != -1 {
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proxyURL = proxyURL[:colonIndex]
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}
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return proxyURL
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}
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// 随机代理服务器
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func randomServer() string {
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return randomElement(servers)
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}
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// 线程安全的随机元素选择
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func randomElement(slice []string) string {
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randMutex.Lock()
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defer randMutex.Unlock()
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return slice[globalRand.Intn(len(slice))]
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}
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// 打乱服务器顺序
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func shuffleServers(servers []string) []string {
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randMutex.Lock()
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defer randMutex.Unlock()
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shuffled := make([]string, len(servers))
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copy(shuffled, servers)
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globalRand.Shuffle(len(shuffled), func(i, j int) {
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shuffled[i], shuffled[j] = shuffled[j], shuffled[i]
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})
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return shuffled
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}
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// 检查卡密是否过期
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func checkTailCardSecretExpired(tailCardSecret string) (bool, error) {
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code, err := getMachineCode(tailCardSecret)
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if err != nil {
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return false, fmt.Errorf("请求错误: %v", err)
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}
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targetTime, err := time.Parse("2006-01-02 15:04:05", code.Data.IpExpTime)
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if err != nil {
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return false, fmt.Errorf("时间格式错误: %v", err)
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}
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currentTime := time.Now()
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// 卡密日期在当前日期之后
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if targetTime.After(currentTime) {
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return true, nil
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} else {
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return false, fmt.Errorf("卡密已经过期！过期时间: %v", targetTime)
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}
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}
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// 定义响应结构体
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type getMachineCodeResp struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data struct {
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MachineCode string `json:"machine_code"`
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IpExpTime string `json:"ip_exp_time"`
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IpThread int `json:"ip_thread"`
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IpCardCode string `json:"ip_card_code"`
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} `json:"data"`
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}
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// 查询机器码
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func getMachineCode(tailCardSecret string) (*getMachineCodeResp, error) {
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url := "http://114.66.2.223:7842/api/proxies/ip_show"
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data := map[string]interface{}{
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"ip_card_code": tailCardSecret,
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"agent_id": 9999,
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}
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_, body, errs := gorequest.New().Post(url).Send(data).End()
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if len(errs) > 0 {
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return nil, fmt.Errorf("查询机器码失败: %v", errs)
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}
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var resp getMachineCodeResp
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if err := json.Unmarshal([]byte(body), &resp); err != nil {
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return nil, fmt.Errorf("解析响应失败: %v", err)
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}
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if resp.Code == 201 {
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machineCode, err := rechargeCard(tailCardSecret, resp.Data.MachineCode)
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if err != nil {
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return nil, err
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}
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resp.Data.MachineCode = machineCode
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return &resp, nil
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} else if resp.Code == 200 {
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return &resp, nil
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} else {
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return nil, fmt.Errorf("查询机器码失败: %s", resp.Message)
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}
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}
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// 充值卡密
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func rechargeCard(tailCardSecret, machineCode string) (string, error) {
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url := "http://114.66.2.223:7842/api/proxies/ip_recharge"
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data := map[string]interface{}{
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"machine_code": machineCode,
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"ip_card_code": tailCardSecret,
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"agent_id": 9999,
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}
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_, body, errs := gorequest.New().Post(url).Send(data).End()
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if len(errs) > 0 {
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return "", fmt.Errorf("充值卡密失败: %v", errs)
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}
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var resp struct {
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Code int `json:"code"` // 状态码
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Message string `json:"message"` // 返回消息
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Data struct {
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IpExpTime string `json:"ip_exp_time"` // 过期时间
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IpThread int `json:"ip_thread"` // 线程
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MachineCode string `json:"machine_code"` // 机器码
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} `json:"data"`
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}
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if err := json.Unmarshal([]byte(body), &resp); err != nil {
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return "", fmt.Errorf("解析响应失败: %v", err)
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}
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if resp.Code != 200 {
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return "", fmt.Errorf("充值卡密失败: %s", resp.Message)
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}
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return resp.Data.MachineCode, nil
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}
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// 获取代理服务器列表
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func getProxies(machineCode string) ([]string, error) {
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log.Printf("[INFO] 开始获取代理列表: %s", machineCode)
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// 生成签名
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sign := fmt.Sprintf("%x", md5.Sum([]byte(fmt.Sprintf("9999%s9999", machineCode))))
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GetProxiesUrl := fmt.Sprintf("http://114.66.2.223:7842/api/proxies/get_proxy?machine_code=%s&sign=%s&agent_id=9999",
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machineCode, sign)
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req := gorequest.New().Get(GetProxiesUrl).Timeout(20 * time.Second)
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_, body, errs := req.End()
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if len(errs) > 0 {
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return nil, fmt.Errorf("获取代理失败: %v", errs)
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}
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// 检查是否为JSON错误响应
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if strings.HasPrefix(strings.TrimSpace(body), "{") && strings.HasSuffix(strings.TrimSpace(body), "}") {
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// 尝试解析为JSON错误响应
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var errorResp struct {
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Code int `json:"code"`
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Message string `json:"message"`
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}
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if err := json.Unmarshal([]byte(body), &errorResp); err == nil {
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return nil, fmt.Errorf("获取代理失败: %s (错误码: %d)", errorResp.Message, errorResp.Code)
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}
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}
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// 解析响应
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lines := strings.Split(strings.TrimSpace(body), "\n")
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var proxies []string
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for _, line := range lines {
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line = strings.TrimSpace(line)
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if line != "" && !strings.HasPrefix(line, "{") {
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proxies = append(proxies, line)
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}
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}
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if len(proxies) == 0 {
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return nil, fmt.Errorf("未获取到有效代理")
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}
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log.Printf("[INFO] 获取到 %d 个代理", len(proxies))
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return proxies, nil
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}
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// 初始化代理信息
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func initProxy() {
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}
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// =================== C 导出函数 =======================
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// 导出函数：获取代理健康状态（用于调试）
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//
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//export GetProxyHealth
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func GetProxyHealth() *C.char {
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proxyHealthMutex.RLock()
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defer proxyHealthMutex.RUnlock()
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healthInfo := make(map[string]interface{})
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for proxy, health := range proxyHealthMaps {
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healthInfo[proxy] = map[string]interface{}{
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"success_count": health.SuccessCount,
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"fail_count": health.FailCount,
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"last_check": health.LastCheck.Format(time.RFC3339),
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"response_time": health.ResponseTime.String(),
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"is_healthy": health.IsHealthy,
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}
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}
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jsonData, err := json.Marshal(healthInfo)
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if err != nil {
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return C.CString(fmt.Sprintf(`{"error": "序列化健康信息失败: %v"}`, err))
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}
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return C.CString(string(jsonData))
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}
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// 导出函数：代理类型管理器
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//
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//export ProxyTypeManager
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func ProxyTypeManager(proxyType, username, password, machineCode *C.char) *C.char {
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goProxyType := C.GoString(proxyType)
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goUsername := C.GoString(username)
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goPassword := C.GoString(password)
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goMachineCode := C.GoString(machineCode)
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log.Printf("[DEBUG] 代理类型管理器调用: type=%s", goProxyType)
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proxyURL, err := proxyTypeManager(goProxyType, goUsername, goPassword, goMachineCode)
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if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: %v", err)
|
||
log.Printf("[ERROR] 代理类型管理器错误: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
log.Printf("[DEBUG] 代理类型管理器返回: %s", proxyURL)
|
||
return C.CString(proxyURL)
|
||
}
|
||
|
||
// 导出函数：查询机器码
|
||
//
|
||
//export GetMachineCode
|
||
func GetMachineCode(tailCardSecret *C.char) *C.char {
|
||
goTailCardSecret := C.GoString(tailCardSecret)
|
||
log.Printf("[DEBUG] 查询机器码调用: card=%s", goTailCardSecret)
|
||
|
||
resp, err := getMachineCode(goTailCardSecret)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: %v", err)
|
||
log.Printf("[ERROR] 查询机器码错误: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
// 将响应转换为JSON
|
||
jsonData, err := json.Marshal(resp)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: 序列化响应失败: %v", err)
|
||
log.Printf("[ERROR] 序列化机器码响应失败: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
log.Printf("[DEBUG] 查询机器码成功: code=%d, machine_code=%s", resp.Code, resp.Data.MachineCode)
|
||
return C.CString(string(jsonData))
|
||
}
|
||
|
||
// 导出函数：充值卡密
|
||
//
|
||
//export RechargeCard
|
||
func RechargeCard(tailCardSecret, machineCode *C.char) *C.char {
|
||
goTailCardSecret := C.GoString(tailCardSecret)
|
||
goMachineCode := C.GoString(machineCode)
|
||
log.Printf("[DEBUG] 充值卡密调用: card=%s, machine_code=%s", goTailCardSecret, goMachineCode)
|
||
|
||
newMachineCode, err := rechargeCard(goTailCardSecret, goMachineCode)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: %v", err)
|
||
log.Printf("[ERROR] 充值卡密错误: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
// 构建成功响应
|
||
response := map[string]interface{}{
|
||
"success": true,
|
||
"machine_code": newMachineCode,
|
||
"message": "充值成功",
|
||
}
|
||
|
||
jsonData, err := json.Marshal(response)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: 序列化响应失败: %v", err)
|
||
log.Printf("[ERROR] 序列化充值响应失败: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
log.Printf("[DEBUG] 充值卡密成功: new_machine_code=%s", newMachineCode)
|
||
return C.CString(string(jsonData))
|
||
}
|
||
|
||
// 导出函数：获取代理服务器列表
|
||
//
|
||
//export GetProxies
|
||
func GetProxies(machineCode *C.char) *C.char {
|
||
goMachineCode := C.GoString(machineCode)
|
||
log.Printf("[DEBUG] 获取代理服务器列表调用: machine_code=%s", goMachineCode)
|
||
|
||
proxies, err := getProxies(goMachineCode)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: %v", err)
|
||
log.Printf("[ERROR] 获取代理服务器列表错误: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
// 将代理列表转换为JSON
|
||
response := map[string]interface{}{
|
||
"success": true,
|
||
"count": len(proxies),
|
||
"proxies": proxies,
|
||
}
|
||
|
||
jsonData, err := json.Marshal(response)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: 序列化响应失败: %v", err)
|
||
log.Printf("[ERROR] 序列化代理列表失败: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
log.Printf("[DEBUG] 获取代理服务器列表成功: count=%d", len(proxies))
|
||
return C.CString(string(jsonData))
|
||
}
|
||
|
||
// 导出函数：检查卡密是否过期
|
||
//
|
||
//export CheckTailCardSecretExpired
|
||
func CheckTailCardSecretExpired(tailCardSecret *C.char) *C.char {
|
||
goTailCardSecret := C.GoString(tailCardSecret)
|
||
log.Printf("[DEBUG] 检查卡密是否过期调用: card=%s", goTailCardSecret)
|
||
|
||
isValid, err := checkTailCardSecretExpired(goTailCardSecret)
|
||
if err != nil {
|
||
// 如果是过期错误，返回特定格式
|
||
if strings.Contains(err.Error(), "卡密已经过期") {
|
||
response := map[string]interface{}{
|
||
"is_valid": false,
|
||
"message": err.Error(),
|
||
}
|
||
jsonData, _ := json.Marshal(response)
|
||
return C.CString(string(jsonData))
|
||
}
|
||
|
||
errorMsg := fmt.Sprintf("ERROR: %v", err)
|
||
log.Printf("[ERROR] 检查卡密过期错误: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
response := map[string]interface{}{
|
||
"is_valid": isValid,
|
||
"message": "卡密有效",
|
||
}
|
||
|
||
jsonData, err := json.Marshal(response)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: 序列化响应失败: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
log.Printf("[DEBUG] 检查卡密过期结果: is_valid=%v", isValid)
|
||
return C.CString(string(jsonData))
|
||
}
|
||
|
||
// 导出函数：初始化代理管理器
|
||
//
|
||
//export InitProxyManager
|
||
func InitProxyManager(serversJson, username, password, tailCardSecret, proxyType *C.char) *C.char {
|
||
goServersJson := C.GoString(serversJson)
|
||
goUsername := C.GoString(username)
|
||
goPassword := C.GoString(password)
|
||
goTailCardSecret := C.GoString(tailCardSecret)
|
||
goProxyType := C.GoString(proxyType)
|
||
|
||
log.Printf("[DEBUG] 初始化代理管理器调用: type=%s", goProxyType)
|
||
|
||
// 解析服务器列表
|
||
var serverList []string
|
||
if goServersJson != "" {
|
||
if err := json.Unmarshal([]byte(goServersJson), &serverList); err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: 解析服务器列表失败: %v", err)
|
||
log.Printf("[ERROR] 解析服务器列表失败: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
}
|
||
|
||
// 更新全局服务器列表
|
||
if len(serverList) > 0 {
|
||
randMutex.Lock()
|
||
servers = serverList
|
||
randMutex.Unlock()
|
||
log.Printf("[INFO] 更新服务器列表，共 %d 个服务器", len(servers))
|
||
}
|
||
|
||
// 创建代理管理器
|
||
manager := ProxyManager{
|
||
servers: servers,
|
||
username: goUsername,
|
||
password: goPassword,
|
||
tailCardSecret: goTailCardSecret,
|
||
proxyType: goProxyType,
|
||
}
|
||
|
||
// 序列化管理器信息
|
||
jsonData, err := json.Marshal(manager)
|
||
if err != nil {
|
||
errorMsg := fmt.Sprintf("ERROR: 序列化代理管理器失败: %v", err)
|
||
log.Printf("[ERROR] 序列化代理管理器失败: %v", err)
|
||
return C.CString(errorMsg)
|
||
}
|
||
|
||
log.Printf("[DEBUG] 代理管理器初始化成功")
|
||
return C.CString(string(jsonData))
|
||
}
|
||
|
||
// 导出函数：释放C字符串内存
|
||
//
|
||
//export FreeCString
|
||
func FreeCString(str *C.char) {
|
||
C.free(unsafe.Pointer(str))
|
||
}
|
||
|
||
// 空main函数，编译DLL时需要
|
||
func main() {
|
||
}
|