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feat: verify embedded backup media checksums

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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Blomios
2026-07-22 13:30:06 +02:00
parent 4384797e25
commit 8d6e5b4201
6 changed files with 71 additions and 63 deletions
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5
lib/infrastructure/local/local_media_storage.dart
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@ -2,6 +2,7 @@ import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:crypto/crypto.dart' as crypto;
import 'package:path/path.dart' as p;
import 'package:path_provider/path_provider.dart';
@ -101,6 +102,7 @@ final class PathProviderLocalMediaStorage
fileName: p.basename(file.path),
mimeType: resource.payload['mimeType'] as String?,
sizeBytes: bytes.length,
sha256: crypto.sha256.convert(bytes).toString(),
base64: base64Encode(bytes),
),
);
@ -123,6 +125,9 @@ final class PathProviderLocalMediaStorage
if (bytes == null) {
continue;
}
if (crypto.sha256.convert(bytes).toString() != file.sha256) {
continue;
}
final extension = p.extension(file.fileName).toLowerCase();
final target = File(
p.join(directory.path, '${file.mediaAssetId}$extension'),