Function parseUserAgent

server-source-code/internal/handler/auth.go:1139–1173

parseUserAgent extracts browser, OS, and device from user agent string.

(ua string)

// parseUserAgent extracts browser, OS, and device from user agent string.
func parseUserAgent(ua string) map[string]string {
	out := map[string]string{"browser": "Unknown", "os": "Unknown", "device": "Desktop"}
	if ua == "" {
		return out
	}
	lower := strings.ToLower(ua)
	if strings.Contains(lower, "chrome") && !strings.Contains(lower, "edg") {
		out["browser"] = "Chrome"
	} else if strings.Contains(lower, "firefox") {
		out["browser"] = "Firefox"
	} else if strings.Contains(lower, "safari") && !strings.Contains(lower, "chrome") {
		out["browser"] = "Safari"
	} else if strings.Contains(lower, "edg") {
		out["browser"] = "Edge"
	} else if strings.Contains(lower, "opera") {
		out["browser"] = "Opera"
	}
	if strings.Contains(lower, "windows") {
		out["os"] = "Windows"
	} else if strings.Contains(lower, "macintosh") || strings.Contains(lower, "mac os") {
		out["os"] = "macOS"
	} else if strings.Contains(lower, "linux") {
		out["os"] = "Linux"
	} else if strings.Contains(lower, "android") {
		out["os"] = "Android"
	} else if strings.Contains(lower, "iphone") || strings.Contains(lower, "ipad") {
		out["os"] = "iOS"
	}
	if strings.Contains(lower, "mobile") {
		out["device"] = "Mobile"
	} else if strings.Contains(lower, "tablet") || strings.Contains(lower, "ipad") {
		out["device"] = "Tablet"
	}
	return out
}

// getLocationFromIP returns basic location info (simplified; for local/private IPs returns "Local").
func getLocationFromIP(ip string) map[string]string {