| | | 1 | | using NostrSure.Domain.Entities; |
| | | 2 | | using NostrSure.Domain.Validation; |
| | | 3 | | |
| | | 4 | | namespace NostrSure.Domain.Services; |
| | | 5 | | |
| | | 6 | | /// <summary> |
| | | 7 | | /// Validates event IDs against calculated hashes according to NIP-01 |
| | | 8 | | /// </summary> |
| | | 9 | | public sealed class EventIdValidator : IEventIdValidator |
| | | 10 | | { |
| | | 11 | | private readonly IEventIdCalculator _eventIdCalculator; |
| | | 12 | | |
| | 18 | 13 | | public EventIdValidator(IEventIdCalculator eventIdCalculator) |
| | 18 | 14 | | { |
| | 18 | 15 | | _eventIdCalculator = eventIdCalculator; |
| | 18 | 16 | | } |
| | | 17 | | |
| | | 18 | | public Task<ValidationResult> ValidateEventIdAsync(NostrEvent evt, CancellationToken cancellationToken = default) |
| | 103 | 19 | | { |
| | 103 | 20 | | var result = ValidateEventId(evt); |
| | 103 | 21 | | return Task.FromResult(result); |
| | 103 | 22 | | } |
| | | 23 | | |
| | | 24 | | public ValidationResult ValidateEventId(NostrEvent evt) |
| | 108 | 25 | | { |
| | | 26 | | try |
| | 108 | 27 | | { |
| | 108 | 28 | | var calculatedId = _eventIdCalculator.CalculateEventId(evt); |
| | | 29 | | |
| | 107 | 30 | | if (evt.Id != calculatedId) |
| | 1 | 31 | | { |
| | 1 | 32 | | return ValidationResult.Failure( |
| | 1 | 33 | | $"Event ID mismatch. Expected: {calculatedId}, Got: {evt.Id}", |
| | 1 | 34 | | "EVENT_ID_MISMATCH"); |
| | | 35 | | } |
| | | 36 | | |
| | 106 | 37 | | return ValidationResult.Success(); |
| | | 38 | | } |
| | 1 | 39 | | catch (System.Exception ex) |
| | 1 | 40 | | { |
| | 1 | 41 | | return ValidationResult.Failure( |
| | 1 | 42 | | $"Exception during event ID validation: {ex.Message}", |
| | 1 | 43 | | ex, |
| | 1 | 44 | | ValidationSeverity.Critical); |
| | | 45 | | } |
| | 108 | 46 | | } |
| | | 47 | | } |