Initialize Clash Web source and deployment documentation

cmd/clashweb/main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"syscall"
+	"time"
+
+	"clashweb/internal/app"
+	"clashweb/web"
+)
+
+func env(key, fallback string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return fallback
+}
+func main() {
+	listen := flag.String("listen", env("CLASHWEB_LISTEN", "127.0.0.1:8080"), "Web 管理监听地址")
+	data := flag.String("data", env("CLASHWEB_DATA_DIR", "data"), "SQLite 数据目录")
+	coreDir := flag.String("core-dir", os.Getenv("CLASHWEB_CORE_DIR"), "Mihomo 工作目录")
+	coreBin := flag.String("mihomo", os.Getenv("CLASHWEB_MIHOMO_BIN"), "Mihomo 可执行文件")
+	initOnly := flag.Bool("init", false, "校验并生成初始配置，然后退出")
+	flag.Parse()
+	a, err := app.New(app.Options{DataDir: *data, CoreDir: *coreDir, CoreBinary: *coreBin, Helper: os.Getenv("CLASHWEB_CONTROL_HELPER"), SecureCookie: os.Getenv("CLASHWEB_SECURE_COOKIE") == "true", Web: web.Handler()})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer a.Close()
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer cancel()
+	if *initOnly {
+		if err := a.Initialize(ctx); err != nil {
+			log.Fatal(err)
+		}
+		log.Print("初始配置生成完成")
+		return
+	}
+	go a.Run(ctx)
+	server := &http.Server{Addr: *listen, Handler: a.Handler(), ReadHeaderTimeout: 10 * time.Second, IdleTimeout: 90 * time.Second, MaxHeaderBytes: 1 << 20, BaseContext: func(net.Listener) context.Context { return ctx }}
+	go func() {
+		<-ctx.Done()
+		shutdown, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		_ = server.Shutdown(shutdown)
+	}()
+	abs, _ := filepath.Abs(*data)
+	log.Printf("Clash Web: http://%s (数据: %s)", *listen, abs)
+	if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+		log.Fatal(err)
+	}
+}