feat: implement legacy config auth storage and core api

chfs-ng/cmd/chfs/main.go

@@ -1,14 +1,62 @@
 package main
 
 import (
-	"chfs-ng/internal/api"
-	"chfs-ng/internal/storage"
+	"flag"
 	"log"
 	"net/http"
+	"os"
+	"path/filepath"
+
+	"chfs-ng/internal/api"
+	"chfs-ng/internal/auth"
+	"chfs-ng/internal/config"
+	"chfs-ng/internal/storage"
 )
 
 func main() {
-	s := &api.Server{Store: storage.Local{Root: "/data"}}
-	log.Println("chfs-ng development server listening on :80")
-	log.Fatal(http.ListenAndServe(":80", s.Handler()))
+	file := flag.String("file", "", "configuration file")
+	pathFlag := flag.String("path", "/data", "shared path")
+	port := flag.Int("port", 80, "listen port")
+	flag.Parse()
+	cfg := config.Default()
+	if *file != "" {
+		var err error
+		cfg, err = config.Load(*file)
+		if err != nil && !os.IsNotExist(err) {
+			log.Fatal(err)
+		}
+	}
+	if *pathFlag != "/data" || *file == "" {
+		if *file == "" {
+			cfg.Path = []string{*pathFlag}
+			cfg.Port = *port
+		}
+	}
+	root := cfg.Path[0]
+	if e := os.MkdirAll(root, 0755); e != nil {
+		log.Fatal(e)
+	}
+	mgr, _ := auth.ParseRules(cfg.Rules)
+	srv := &api.Server{Store: storage.Local{Root: root}, Auth: mgr, Sessions: map[string]*auth.Account{}}
+	addr := ":" + itoa(cfg.Port)
+	if cfg.Port == 0 {
+		addr = ":" + itoa(*port)
+	}
+	log.Printf("chfs-ng listening on %s root=%s", addr, filepath.Clean(root))
+	if cfg.SSLCert != "" && cfg.SSLKey != "" {
+		log.Fatal(http.ListenAndServeTLS(addr, cfg.SSLCert, cfg.SSLKey, srv.Handler()))
+	}
+	log.Fatal(http.ListenAndServe(addr, srv.Handler()))
+}
+func itoa(n int) string {
+	const d = "0123456789"
+	if n == 0 {
+		return "0"
+	}
+	b := make([]byte, 0, 6)
+	for n > 0 {
+		b = append([]byte{d[n%10]}, b...)
+		n /= 10
+	}
+	return string(b)
 }