init

main.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/emersion/go-webdav/caldav"
+	"nxcaldav/internal/backend"
+	"nxcaldav/internal/config"
+)
+
+func main() {
+	cfg, err := config.Load("config.yaml")
+	if err != nil {
+		log.Fatalf("failed to load config: %v", err)
+	}
+
+	ctx := context.Background()
+	be, err := backend.NewDBBackend(ctx, cfg)
+	if err != nil {
+		log.Fatalf("failed to initialize database backend: %v", err)
+	}
+
+	handler := &caldav.Handler{Backend: be}
+
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		user, password, ok := r.BasicAuth()
+		if !ok {
+			w.Header().Set("WWW-Authenticate", `Basic realm="CalDAV Server"`)
+			http.Error(w, "Unauthorized", http.StatusUnauthorized)
+			return
+		}
+
+		// Verify user against database (bcrypt)
+		valid, err := be.VerifyUser(r.Context(), user, password)
+		if err != nil {
+			log.Printf("auth error for %s: %v", user, err)
+			http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+			return
+		}
+
+		if !valid {
+			http.Error(w, "Unauthorized", http.StatusUnauthorized)
+			return
+		}
+
+		log.Printf("%s %s %s", user, r.Method, r.URL.Path)
+
+		principalPath := fmt.Sprintf("/%s/", user)
+		ctx := context.WithValue(r.Context(), "principal", principalPath)
+
+		if r.URL.Path == "/.well-known/caldav" {
+			http.Redirect(w, r, principalPath, http.StatusMovedPermanently)
+			return
+		}
+
+		handler.ServeHTTP(w, r.WithContext(ctx))
+	})
+
+	fmt.Printf("Starting CalDAV server on %s...\n", cfg.Server.BindAddress)
+	server := &http.Server{
+		Addr:         cfg.Server.BindAddress,
+		ReadTimeout:  5 * time.Second,
+		WriteTimeout: 10 * time.Second,
+	}
+	if err := server.ListenAndServe(); err != nil {
+		log.Fatalf("server failed: %v", err)
+	}
+}