122 lines
2.8 KiB
Go
122 lines
2.8 KiB
Go
package main
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import (
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"bytes"
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"embed"
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"flag"
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"io/fs"
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"log"
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"net/http"
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"os"
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"strconv"
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"toolbox/pkg/base"
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_ "toolbox/pkg/zitie" // 匿名导入以触发 init()
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"github.com/gin-gonic/gin"
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)
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//go:embed web/*
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var webFS embed.FS
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func main() {
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// 定义参数
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portFlag := flag.Int("port", 0, "端口号 (优先于环境变量 PORT)")
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gaFlag := flag.String("ga", "", "Google Analytics ID (例如: G-XXXXXXXXXX)")
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flag.Parse()
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// 环境变量支持
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gaID := *gaFlag
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if gaID == "" {
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gaID = os.Getenv("GA_ID")
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}
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if os.Getenv("GIN_MODE") == "release" {
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gin.SetMode(gin.ReleaseMode)
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}
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r := gin.New()
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r.Use(gin.Logger(), gin.Recovery())
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r.RedirectTrailingSlash = false
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r.RedirectFixedPath = false
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_ = r.SetTrustedProxies(nil)
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// 1. 自动发现并注册工具路由
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api := r.Group("/api")
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{
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for id, tool := range base.Registry {
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if err := tool.Init(); err != nil {
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log.Fatalf("Failed to initialize tool %s: %v", id, err)
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}
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tool.RegisterRoutes(api.Group("/" + id))
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}
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}
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// 2. 静态资源与页面
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subFS, _ := fs.Sub(webFS, "web")
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r.StaticFS("/static", http.FS(subFS))
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r.GET("/", func(c *gin.Context) {
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content, err := webFS.ReadFile("web/index.html")
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if err != nil {
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c.String(http.StatusNotFound, "index.html not found")
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return
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}
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// 动态注入 Google Analytics
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if gaID != "" {
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gaScript := `
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<!-- Google tag (gtag.js) -->
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<script async src="https://www.googletagmanager.com/gtag/js?id=` + gaID + `"></script>
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<script>
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window.dataLayer = window.onLayer || [];
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function gtag(){dataLayer.push(arguments);}
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gtag('js', new Date());
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gtag('config', '` + gaID + `');
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</script>`
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content = bytes.Replace(content, []byte("</head>"), []byte(gaScript+"</head>"), 1)
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}
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c.Data(http.StatusOK, "text/html; charset=utf-8", content)
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})
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// 改为 /static 避免与 /web 混淆
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// 3. 工具列表发现接口
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r.GET("/api/tools", func(c *gin.Context) {
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var list []map[string]string
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for _, t := range base.Registry {
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list = append(list, map[string]string{
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"id": t.ID(),
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"name": t.Name(),
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"desc": t.Description(),
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})
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}
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c.JSON(http.StatusOK, list)
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})
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// 4. 全路径回退 (SPA Routing)
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// 任何不匹配 API 或静态资源的请求，都返回 index.html
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r.NoRoute(func(c *gin.Context) {
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content, err := webFS.ReadFile("web/index.html")
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if err != nil {
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c.String(http.StatusNotFound, "index.html not found")
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return
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}
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c.Data(http.StatusOK, "text/html; charset=utf-8", content)
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})
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// 4. 确定最终使用的端口
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var finalPort string
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if *portFlag > 0 {
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finalPort = strconv.Itoa(*portFlag)
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} else if envPort := os.Getenv("PORT"); envPort != "" {
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finalPort = envPort
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} else {
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finalPort = "8080"
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}
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log.Printf("Toolbox server starting on :%s", finalPort)
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if err := r.Run(":" + finalPort); err != nil {
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log.Fatalf("Server failed: %v", err)
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}
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}
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