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(mobile): ios - calculate hash using CryptoKit (#5976)

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* ios: calculate hash using CryptoKit

* chore: remove unused crypto dep

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Alex Tran <alex.tran1502@gmail.com>
This commit is contained in:
shenlong 2024-01-05 16:49:43 +00:00 • committed by GitHub
parent ac0cb4a96e
commit d3af2b1f69
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5 changed files with 58 additions and 34 deletions
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37
mobile/lib/shared/services/hash.service.dart
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@ -1,7 +1,5 @@
import 'dart:convert';
import 'dart:io';
import 'package:crypto/crypto.dart';
import 'package:flutter/foundation.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/modules/backup/background_service/background.service.dart';
@ -119,37 +117,12 @@ class HashService {
/// Hashes the given files and returns a list of the same length
/// files that could not be hashed have a `null` value
Future<List<Uint8List?>> _hashFiles(List<String> paths) async {
if (Platform.isAndroid) {
final List<Uint8List?>? hashes =
await _backgroundService.digestFiles(paths);
if (hashes == null) {
throw Exception("Hashing ${paths.length} files failed");
}
return hashes;
} else if (Platform.isIOS) {
final List<Uint8List?> result = List.filled(paths.length, null);
for (int i = 0; i < paths.length; i++) {
result[i] = await _hashAssetDart(File(paths[i]));
}
return result;
} else {
throw Exception("_hashFiles implementation missing");
final List<Uint8List?>? hashes =
await _backgroundService.digestFiles(paths);
if (hashes == null) {
throw Exception("Hashing ${paths.length} files failed");
}
}
/// Hashes a single file using Dart's crypto package
Future<Uint8List?> _hashAssetDart(File f) async {
late Digest output;
final sink = sha1.startChunkedConversion(
ChunkedConversionSink<Digest>.withCallback((accumulated) {
output = accumulated.first;
}),
);
await for (final chunk in f.openRead()) {
sink.add(chunk);
}
sink.close();
return Uint8List.fromList(output.bytes);
return hashes;
}
/// Converts [AssetEntity]s that were successfully hashed to [Asset]s