Function ParseGRPCPath

utils/utils.go:1555–1614

(p string)

}

func ParseGRPCPath(p string) (serviceFull, method string, err error) {
	// Trim whitespace and validate input
	p = strings.TrimSpace(p)
	if p == "" {
		return "", "", fmt.Errorf("gRPC path cannot be empty")
	}

	// Store original path for error messages
	originalPath := p
	p = strings.TrimPrefix(p, "/")

	// Split path into components
	parts := strings.Split(p, "/")
	if len(parts) != 2 {
		return "", "", fmt.Errorf("invalid gRPC path %q: expected format '/package.Service/Method', got %d path segments", originalPath, len(parts))
	}

	serviceFull = strings.TrimSpace(parts[0])
	method = strings.TrimSpace(parts[1])

	// Validate service name is not empty
	if serviceFull == "" {
		return "", "", fmt.Errorf("invalid gRPC path %q: service name cannot be empty", originalPath)
	}

	// Validate method name is not empty
	if method == "" {
		return "", "", fmt.Errorf("invalid gRPC path %q: method name cannot be empty", originalPath)
	}

	// Validate service name format (should contain at least package.Service)
	if !strings.Contains(serviceFull, ".") {
		return "", "", fmt.Errorf("invalid service name %q in path %q: expected format 'package.Service'", serviceFull, originalPath)
	}

	// Validate service name doesn't start or end with dots
	if strings.HasPrefix(serviceFull, ".") || strings.HasSuffix(serviceFull, ".") {
		return "", "", fmt.Errorf("invalid service name %q in path %q: cannot start or end with '.'", serviceFull, originalPath)
	}

	// Validate service name doesn't contain consecutive dots
	if strings.Contains(serviceFull, "..") {
		return "", "", fmt.Errorf("invalid service name %q in path %q: cannot contain consecutive dots", serviceFull, originalPath)
	}

	// Validate method name format (basic identifier validation)
	if !isValidGRPCIdentifier(method) {
		return "", "", fmt.Errorf("invalid method name %q in path %q: must be a valid identifier", method, originalPath)
	}

	// Validate service parts are valid identifiers
	serviceParts := strings.Split(serviceFull, ".")
	for i, part := range serviceParts {
		if !isValidGRPCIdentifier(part) {
			return "", "", fmt.Errorf("invalid service name component %q at position %d in path %q: must be a valid identifier", part, i, originalPath)
		}
	}