Fix launcher not using abspath

- Gets the absolute path to the Camoufox binary
- Other small refactoring

launcher/exec.go

@@ -16,11 +16,11 @@ func getExecutableName() string {
 	// Get the executable name based on the OS
 	switch normalizeOS(runtime.GOOS) {
 	case "linux":
-		return "./camoufox-bin"
+		return getPath("camoufox-bin")
 	case "macos":
-		return "./Camoufox.app"
+		return getPath("Camoufox.app")
 	case "windows":
-		return "./camoufox.exe"
+		return getPath("camoufox.exe")
 	default:
 		// This should never be reached due to the check in normalizeOS
 		return ""

launcher/main.go

@@ -60,6 +60,19 @@ func main() {
 	runCamoufox(execName, args, addonsList)
 }
 
+// Returns the absolute path relative to the launcher
+func getPath(path string) string {
+	execPath, err := os.Executable()
+	if err != nil {
+		fmt.Printf("Error getting executable path: %v\n", err)
+		os.Exit(1)
+	}
+	execDir := filepath.Dir(execPath)
+
+	addonPath := filepath.Join(execDir, path)
+	return addonPath
+}
+
 // Parses & removes an argument from the args list
 func parseArgs(param string, defaultValue string, args *[]string, removeFromArgs bool) string {
 	for i := 0; i < len(*args); i++ {

launcher/xpi-dl.go

@@ -110,27 +110,15 @@ func contains(slice []string, item string) bool {
 }
 
 // Returns the absolute path to the target addon location
-func getAddonPath(addonName string) (string, error) {
-	execPath, err := os.Executable()
-	if err != nil {
-		fmt.Printf("Error getting executable path: %v\n", err)
-		return "", err
-	}
-	execDir := filepath.Dir(execPath)
-
-	addonPath := filepath.Join(execDir, "addons", addonName)
-	return addonPath, nil
+func getAddonPath(addonName string) string {
+	return getPath(filepath.Join("addons", addonName))
 }
 
 // Downloads and extracts the addons
 func maybeDownloadAddons(addons map[string]string, addonsList *[]string) {
 	for addonName, url := range addons {
 		// Get the addon path
-		addonPath, err := getAddonPath(addonName)
-		if err != nil {
-			fmt.Printf("Error getting addon path: %v\n", err)
-			continue
-		}
+		addonPath := getAddonPath(addonName)
 
 		// Check if the addon is already extracted
 		if _, err := os.Stat(addonPath); !os.IsNotExist(err) {
@@ -140,7 +128,7 @@ func maybeDownloadAddons(addons map[string]string, addonsList *[]string) {
 		}
 
 		// Addon doesn't exist, create directory and download
-		err = os.MkdirAll(addonPath, 0755)
+		err := os.MkdirAll(addonPath, 0755)
 		if err != nil {
 			fmt.Printf("Failed to create directory for %s: %v\n", addonName, err)
 			continue