Files
CloudflareSpeedTest/task/httping.go

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package task
import (
//"crypto/tls"
"io"
"log"
"net"
"net/http"
"regexp"
"strings"
"sync"
"time"
"github.com/XIU2/CloudflareSpeedTest/utils"
)
var (
Httping bool
HttpingStatusCode int
HttpingCFColo string
HttpingCFColomap *sync.Map
RegexpColoIATACode = regexp.MustCompile(`[A-Z]{3}`) // 匹配 IATA 机场地区码(俗称 机场三字码)的正则表达式
RegexpColoCountryCode = regexp.MustCompile(`[A-Z]{2}`) // 匹配国家地区码的正则表达式(如 US、CN、UK 等)
RegexpColoGcore = regexp.MustCompile(`^[a-z]{2}`) // 匹配城市地区码的正则表达式(小写,如 us、cn、uk 等)
)
// pingReceived pingTotalTime
func (p *Ping) httping(ip *net.IPAddr) (int, time.Duration, string) {
hc := http.Client{
Timeout: time.Second * 2,
Transport: &http.Transport{
DialContext: getDialContext(ip),
//TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, // 跳过证书验证
},
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse // 阻止重定向
},
}
// 先访问一次获得 HTTP 状态码 及 地区码
var colo string
{
request, err := http.NewRequest(http.MethodHead, URL, nil)
if err != nil {
if utils.Debug { // 调试模式下,输出更多信息
utils.Red.Printf("[调试] IP: %s, 延迟测速请求创建失败,错误信息: %v, 测速地址: %s\n", ip.String(), err, URL)
}
return 0, 0, ""
}
request.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36")
response, err := hc.Do(request)
if err != nil {
if utils.Debug { // 调试模式下,输出更多信息
utils.Red.Printf("[调试] IP: %s, 延迟测速失败,错误信息: %v, 测速地址: %s\n", ip.String(), err, URL)
}
return 0, 0, ""
}
defer response.Body.Close()
//fmt.Println("IP:", ip, "StatusCode:", response.StatusCode, response.Request.URL)
// 如果未指定的 HTTP 状态码,或指定的状态码不合规,则默认只认为 200、301、302 才算 HTTPing 通过
if HttpingStatusCode == 0 || HttpingStatusCode < 100 && HttpingStatusCode > 599 {
if response.StatusCode != 200 && response.StatusCode != 301 && response.StatusCode != 302 {
if utils.Debug { // 调试模式下,输出更多信息
utils.Red.Printf("[调试] IP: %s, 延迟测速终止HTTP 状态码: %d, 测速地址: %s\n", ip.String(), response.StatusCode, URL)
}
return 0, 0, ""
}
} else {
if response.StatusCode != HttpingStatusCode {
if utils.Debug { // 调试模式下,输出更多信息
utils.Red.Printf("[调试] IP: %s, 延迟测速终止HTTP 状态码: %d, 指定的 HTTP 状态码 %d, 测速地址: %s\n", ip.String(), response.StatusCode, HttpingStatusCode, URL)
}
return 0, 0, ""
}
}
io.Copy(io.Discard, response.Body)
// 通过头部参数获取地区码
colo = getHeaderColo(response.Header)
// 只有指定了地区才匹配机场地区码
if HttpingCFColo != "" {
// 判断是否匹配指定的地区码
colo = p.filterColo(colo)
if colo == "" { // 没有匹配到地区码或不符合指定地区则直接结束该 IP 测试
if utils.Debug { // 调试模式下,输出更多信息
utils.Red.Printf("[调试] IP: %s, 地区码不匹配: %s\n", ip.String(), colo)
}
return 0, 0, ""
}
}
}
// 循环测速计算延迟
success := 0
var delay time.Duration
for i := 0; i < PingTimes; i++ {
request, err := http.NewRequest(http.MethodHead, URL, nil)
if err != nil {
log.Fatal("意外的错误,情报告:", err)
return 0, 0, ""
}
request.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36")
if i == PingTimes-1 {
request.Header.Set("Connection", "close")
}
startTime := time.Now()
response, err := hc.Do(request)
if err != nil {
continue
}
success++
io.Copy(io.Discard, response.Body)
_ = response.Body.Close()
duration := time.Since(startTime)
delay += duration
}
return success, delay, colo
}
func MapColoMap() *sync.Map {
if HttpingCFColo == "" {
return nil
}
// 将 -cfcolo 参数指定的地区地区码转为大写并格式化
colos := strings.Split(strings.ToUpper(HttpingCFColo), ",")
colomap := &sync.Map{}
for _, colo := range colos {
colomap.Store(colo, colo)
}
return colomap
}
// 从响应头中获取 地区码 值
func getHeaderColo(header http.Header) (colo string) {
if header.Get("server") != "" {
// 如果是 Cloudflare CDN
// server: cloudflare
// cf-ray: 7bd32409eda7b020-SJC
if header.Get("server") == "cloudflare" {
if colo = header.Get("cf-ray"); colo != "" {
return RegexpColoIATACode.FindString(colo)
}
}
// 如果是 CDN77 CDN测试地址 https://www.cdn77.com
// server: CDN77-Turbo
// x-77-pop: losangelesUSCA // 美国的会显示为 USCA 不知道什么情况,暂时没做兼容,只提取 US
// x-77-pop: frankfurtDE
// x-77-pop: amsterdamNL
// x-77-pop: singaporeSG
if header.Get("server") == "CDN77-Turbo" {
if colo = header.Get("x-77-pop"); colo != "" {
return RegexpColoCountryCode.FindString(colo)
}
}
// 如果是 Bunny CDN测试地址 https://bunny.net
// server: BunnyCDN-TW1-1121
if colo = header.Get("server"); strings.Contains(colo, "BunnyCDN-") {
return RegexpColoCountryCode.FindString(strings.TrimPrefix(colo, "BunnyCDN-")) // 去掉 BunnyCDN- 前缀再去匹配
}
}
// 如果是 AWS CloudFront CDN测试地址 https://d7uri8nf7uskq.cloudfront.net/tools/list-cloudfront-ips
// x-amz-cf-pop: SIN52-P1
if colo = header.Get("x-amz-cf-pop"); colo != "" {
return RegexpColoIATACode.FindString(colo)
}
// 如果是 Fastly CDN测试地址 https://fastly.jsdelivr.net/gh/XIU2/CloudflareSpeedTest@master/go.mod
// x-served-by: cache-qpg1275-QPG
// x-served-by: cache-fra-etou8220141-FRA, cache-hhr-khhr2060043-HHR最后一个为实际位置
if colo = header.Get("x-served-by"); colo != "" {
if matches := RegexpColoIATACode.FindAllString(colo, -1); len(matches) > 0 {
return matches[len(matches)-1] // 因为 Fastly 的 x-served-by 可能包含多个地区码,所以只取最后一个
}
}
// Gcore CDN 的头部信息(注意均为城市代码而非国家代码),测试地址 https://assets.gcore.pro/assets/icons/shield-lock.svg
// x-id-fe: fr5-hw-edge-gc17
// x-shard: fr5-shard0-default
// x-id: fr5-hw-edge-gc28
if colo = header.Get("x-id-fe"); colo != "" {
if colo = RegexpColoGcore.FindString(colo); colo != "" {
return strings.ToUpper(colo) // 将小写的地区码转换为大写
}
}
// 如果没有获取到头部信息,说明不是支持的 CDN则直接返回空字符串
return ""
}
// 处理地区码
func (p *Ping) filterColo(colo string) string {
if colo == "" {
return ""
}
// 如果没有指定 -cfcolo 参数,则直接返回
if HttpingCFColomap == nil {
return colo
}
// 匹配 机场地区码 是否为指定的地区
_, ok := HttpingCFColomap.Load(colo)
if ok {
return colo
}
return ""
}