Update main.go
This commit is contained in:
@@ -3,6 +3,7 @@ package main
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import (
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"encoding/json"
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"fmt"
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"github.com/gin-gonic/gin"
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"io"
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"net"
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"net/http"
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@@ -12,22 +13,14 @@ import (
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"strings"
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"sync"
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"time"
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"github.com/gin-gonic/gin"
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)
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// 常量定义
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const (
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sizeLimit = 1024 * 1024 * 1024 * 10 // 允许的文件大小,默认10GB
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host = "0.0.0.0" // 监听地址
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port = 5000 // 监听端口
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)
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type Config struct {
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WhiteList []string `json:"whiteList"`
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BlackList []string `json:"blackList"`
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}
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var (
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exps = []*regexp.Regexp{
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regexp.MustCompile(`^(?:https?://)?github\.com/([^/]+)/([^/]+)/(?:releases|archive)/.*$`),
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@@ -45,6 +38,11 @@ var (
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configLock sync.RWMutex
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)
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type Config struct {
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WhiteList []string `json:"whiteList"`
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BlackList []string `json:"blackList"`
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}
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func main() {
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gin.SetMode(gin.ReleaseMode)
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router := gin.Default()
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@@ -65,38 +63,28 @@ func main() {
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}
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loadConfig()
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// 每60分钟热重载黑白名单
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go func() {
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ticker := time.NewTicker(60 * time.Minute)
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defer ticker.Stop()
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for range ticker.C {
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for {
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time.Sleep(10 * time.Minute)
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loadConfig()
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}
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}()
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// 前端访问路径,默认根路径
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router.Static("/", "./public")
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router.NoRoute(handler)
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serverAddr := fmt.Sprintf("%s:%d", host, port)
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if err := router.Run(serverAddr); err != nil {
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err := router.Run(fmt.Sprintf("%s:%d", host, port))
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if err != nil {
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fmt.Printf("Error starting server: %v\n", err)
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}
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}
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func handler(c *gin.Context) {
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rawPath := strings.TrimPrefix(c.Request.URL.RequestURI(), "/")
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for strings.HasPrefix(rawPath, "/") {
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rawPath = strings.TrimPrefix(rawPath, "/")
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}
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// 脚本嵌套路径处理
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if rawPath == "perl-pe-para" {
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handlePerlPePara(c)
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return
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}
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if !strings.HasPrefix(rawPath, "http") {
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c.String(http.StatusForbidden, "无效输入")
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@@ -105,9 +93,6 @@ func handler(c *gin.Context) {
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matches := checkURL(rawPath)
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if matches != nil {
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configLock.RLock()
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defer configLock.RUnlock()
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if len(config.WhiteList) > 0 && !checkList(matches, config.WhiteList) {
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c.String(http.StatusForbidden, "不在白名单内,限制访问。")
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return
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@@ -127,22 +112,8 @@ func handler(c *gin.Context) {
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proxy(c, rawPath)
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}
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// 处理脚本嵌套相关函数
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func handlePerlPePara(c *gin.Context) {
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perlstr := "perl -pe"
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responseText := fmt.Sprintf(`s#(bash.*?\.sh)([^/\w\d])#\1 | %s "$(curl -L %s/perl-pe-para)" \2#g; s# (git)# https://\1#g; s#(http.*?git[^/]*?/)#%s/\1#g`, perlstr, c.Request.URL.String(), c.Request.URL.String())
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c.Header("Content-Type", "text/plain")
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c.Header("Cache-Control", "max-age=300")
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c.String(http.StatusOK, responseText)
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}
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func proxy(c *gin.Context, u string) {
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// 检查是否脚本嵌套路径
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if strings.HasSuffix(u, "perl-pe-para") {
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handlePerlPePara(c)
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return
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}
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req, err := http.NewRequest(c.Request.Method, u, c.Request.Body)
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if err != nil {
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c.String(http.StatusInternalServerError, fmt.Sprintf("server error %v", err))
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@@ -161,11 +132,12 @@ func proxy(c *gin.Context, u string) {
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c.String(http.StatusInternalServerError, fmt.Sprintf("server error %v", err))
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return
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}
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defer func() {
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if err := resp.Body.Close(); err != nil {
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fmt.Printf("Error closing response body: %v\n", err)
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defer func(Body io.ReadCloser) {
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err := Body.Close()
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if err != nil {
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}
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}()
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}(resp.Body)
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if contentLength, ok := resp.Header["Content-Length"]; ok {
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if size, err := strconv.Atoi(contentLength[0]); err == nil && size > sizeLimit {
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@@ -195,7 +167,6 @@ func proxy(c *gin.Context, u string) {
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c.Status(resp.StatusCode)
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if _, err := io.Copy(c.Writer, resp.Body); err != nil {
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fmt.Printf("Error copying response body: %v\n", err)
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return
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}
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}
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@@ -206,11 +177,12 @@ func loadConfig() {
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fmt.Printf("Error loading config: %v\n", err)
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return
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}
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defer func() {
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if err := file.Close(); err != nil {
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fmt.Printf("Error closing config file: %v\n", err)
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defer func(file *os.File) {
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err := file.Close()
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if err != nil {
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}
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}()
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}(file)
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var newConfig Config
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decoder := json.NewDecoder(file)
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