From c3b557419d044ebe5f2333414499f547f59dfe23 Mon Sep 17 00:00:00 2001
From: tolelom <98kimsungmin@naver.com>
Date: Tue, 24 Feb 2026 20:52:16 +0900
Subject: [PATCH] chore: first commit

---
 .gitignore |  11 ++++
 go.mod     |   5 ++
 go.sum     |   2 +
 main.go    | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 176 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8bbdd58
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+# Build output
+launcher.exe
+
+# IDE
+.idea/
+.vscode/
+
+# OS
+Thumbs.db
+Desktop.ini
+.DS_Store
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..e03fd43
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module a301_launcher
+
+go 1.24.0
+
+require golang.org/x/sys v0.41.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..cdc9b1c
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..66e2cfc
--- /dev/null
+++ b/main.go
@@ -0,0 +1,158 @@
+package main
+
+import (
+	"fmt"
+	"net/url"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+
+	"golang.org/x/sys/windows/registry"
+)
+
+const (
+	protocolName = "a301"
+	gameExeName  = "A301.exe"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("사용법:")
+		fmt.Println("  launcher.exe install       프로토콜 등록")
+		fmt.Println("  launcher.exe uninstall     프로토콜 제거")
+		fmt.Println("  launcher.exe a301://...    게임 실행")
+		os.Exit(1)
+	}
+
+	arg := os.Args[1]
+
+	switch {
+	case arg == "install":
+		if err := install(); err != nil {
+			fmt.Fprintf(os.Stderr, "설치 실패: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Println("a301:// 프로토콜이 등록되었습니다.")
+
+	case arg == "uninstall":
+		if err := uninstall(); err != nil {
+			fmt.Fprintf(os.Stderr, "제거 실패: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Println("a301:// 프로토콜이 제거되었습니다.")
+
+	case strings.HasPrefix(arg, protocolName+"://"):
+		if err := handleURI(arg); err != nil {
+			fmt.Fprintf(os.Stderr, "실행 실패: %v\n", err)
+			os.Exit(1)
+		}
+
+	default:
+		fmt.Fprintf(os.Stderr, "알 수 없는 명령: %s\n", arg)
+		os.Exit(1)
+	}
+}
+
+func launcherPath() (string, error) {
+	exe, err := os.Executable()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Abs(exe)
+}
+
+func install() error {
+	exePath, err := launcherPath()
+	if err != nil {
+		return fmt.Errorf("실행 파일 경로를 찾을 수 없습니다: %w", err)
+	}
+
+	// HKCU\Software\Classes\a301
+	key, _, err := registry.CreateKey(
+		registry.CURRENT_USER,
+		`Software\Classes\`+protocolName,
+		registry.SET_VALUE,
+	)
+	if err != nil {
+		return fmt.Errorf("레지스트리 키 생성 실패: %w", err)
+	}
+	defer key.Close()
+
+	if err := key.SetStringValue("", "URL:A301 Protocol"); err != nil {
+		return err
+	}
+	if err := key.SetStringValue("URL Protocol", ""); err != nil {
+		return err
+	}
+
+	// shell\open\command
+	cmdKey, _, err := registry.CreateKey(
+		registry.CURRENT_USER,
+		`Software\Classes\`+protocolName+`\shell\open\command`,
+		registry.SET_VALUE,
+	)
+	if err != nil {
+		return fmt.Errorf("command 키 생성 실패: %w", err)
+	}
+	defer cmdKey.Close()
+
+	cmdValue := fmt.Sprintf(`"%s" "%%1"`, exePath)
+	if err := cmdKey.SetStringValue("", cmdValue); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func uninstall() error {
+	err := registry.DeleteKey(registry.CURRENT_USER, `Software\Classes\`+protocolName+`\shell\open\command`)
+	if err != nil && err != registry.ErrNotExist {
+		return err
+	}
+	err = registry.DeleteKey(registry.CURRENT_USER, `Software\Classes\`+protocolName+`\shell\open`)
+	if err != nil && err != registry.ErrNotExist {
+		return err
+	}
+	err = registry.DeleteKey(registry.CURRENT_USER, `Software\Classes\`+protocolName+`\shell`)
+	if err != nil && err != registry.ErrNotExist {
+		return err
+	}
+	err = registry.DeleteKey(registry.CURRENT_USER, `Software\Classes\`+protocolName)
+	if err != nil && err != registry.ErrNotExist {
+		return err
+	}
+	return nil
+}
+
+func handleURI(rawURI string) error {
+	parsed, err := url.Parse(rawURI)
+	if err != nil {
+		return fmt.Errorf("URI 파싱 실패: %w", err)
+	}
+
+	token := parsed.Query().Get("token")
+	if token == "" {
+		return fmt.Errorf("토큰이 없습니다")
+	}
+
+	exePath, err := launcherPath()
+	if err != nil {
+		return err
+	}
+	gameDir := filepath.Dir(exePath)
+	gamePath := filepath.Join(gameDir, gameExeName)
+
+	if _, err := os.Stat(gamePath); os.IsNotExist(err) {
+		return fmt.Errorf("게임 파일을 찾을 수 없습니다: %s", gamePath)
+	}
+
+	cmd := exec.Command(gamePath, "-token", token)
+	cmd.Dir = gameDir
+	if err := cmd.Start(); err != nil {
+		return fmt.Errorf("게임 실행 실패: %w", err)
+	}
+
+	fmt.Printf("게임이 실행되었습니다 (PID: %d)\n", cmd.Process.Pid)
+	return nil
+}