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fix: support compressed archives and advanced character encoding

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Signed-off-by: The one with the braid <info@braid.business>
This commit is contained in:
The one with the braid 2024-07-11 11:52:22 +02:00
parent 6e34b5220c
commit 0863580b23
4 changed files with 70 additions and 33 deletions
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69
lib/pkpass/pass_file.dart
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@ -2,6 +2,7 @@ import 'dart:convert';
import 'dart:typed_data';
import 'package:archive/archive.dart';
import 'package:charset/charset.dart';
import 'package:crypto/crypto.dart';
import 'package:intl/locale.dart';
@ -9,9 +10,6 @@ import 'package:pkpass/pkpass.dart';
import 'package:pkpass/pkpass/utils/file_matcher.dart';
import 'package:pkpass/pkpass/utils/lproj_parser.dart';
final _utf8codec = Utf8Codec();
final _jsonCodec = JsonCodec();
class PassFile {
const PassFile(this.metadata, this._folder);
@ -26,18 +24,9 @@ class PassFile {
Map<String, String> manifest;
try {
final file = archive.files
.singleWhere((element) => element.name == 'manifest.json');
manifest = (_jsonCodec.decode(
_utf8codec.decode(
file.rawContent?.toUint8List() ?? (file.content as Uint8List),
),
) as Map)
.cast<String, String>();
} catch (e) {
throw ManifestNotFoundError();
}
final file =
archive.files.singleWhere((element) => element.name == 'manifest.json');
manifest = (json.decode(file.stringContent) as Map).cast<String, String>();
final folder = <ArchiveFile>[];
@ -47,8 +36,7 @@ class PassFile {
final file = archive.files
.singleWhere((element) => element.name == manifestEntry.key);
final content =
file.rawContent?.toUint8List() ?? file.content as Uint8List;
final content = file.byteContent;
String hash = sha1.convert(content).toString();
@ -67,7 +55,7 @@ class PassFile {
archive.singleWhere((element) => element.name == 'pass.json');
final PassMetadata metadata = PassMetadata.fromJson(
_jsonCodec.decode(passFile.stringContent) as Map<String, Object?>,
json.decode(passFile.stringContent) as Map<String, Object?>,
);
return PassFile(metadata, folder);
@ -77,7 +65,7 @@ class PassFile {
final List<ArchiveFile> _folder;
Uint8List? _matchUtf8List({
Uint8List? _matchUint8ListFile({
required String name,
required Locale? locale,
required int scale,
@ -92,27 +80,27 @@ class PassFile {
);
if (path == null) return null;
final file = _folder.singleWhere((element) => element.name == path);
final content = file.rawContent?.toUint8List() ?? file.content as Uint8List;
final content = file.byteContent;
return content;
}
Uint8List? getBackground({Locale? locale, int scale = 1}) =>
_matchUtf8List(name: 'background', locale: locale, scale: scale);
_matchUint8ListFile(name: 'background', locale: locale, scale: scale);
Uint8List? getFooter({Locale? locale, int scale = 1}) =>
_matchUtf8List(name: 'footer', locale: locale, scale: scale);
_matchUint8ListFile(name: 'footer', locale: locale, scale: scale);
Uint8List? getIcon({Locale? locale, int scale = 1}) =>
_matchUtf8List(name: 'icon', locale: locale, scale: scale);
_matchUint8ListFile(name: 'icon', locale: locale, scale: scale);
Uint8List? getLogo({Locale? locale, int scale = 1}) =>
_matchUtf8List(name: 'logo', locale: locale, scale: scale);
_matchUint8ListFile(name: 'logo', locale: locale, scale: scale);
Uint8List? getStrip({Locale? locale, int scale = 1}) =>
_matchUtf8List(name: 'strip', locale: locale, scale: scale);
_matchUint8ListFile(name: 'strip', locale: locale, scale: scale);
Uint8List? getThumbnail({Locale? locale, int scale = 1}) =>
_matchUtf8List(name: 'thumbnail', locale: locale, scale: scale);
_matchUint8ListFile(name: 'thumbnail', locale: locale, scale: scale);
Map<String, String>? getLocalizations(Locale? locale) {
final files = _folder.map((e) => e.name).toList();
@ -129,6 +117,31 @@ class PassFile {
}
extension on ArchiveFile {
String get stringContent =>
_utf8codec.decode(rawContent?.toUint8List() ?? (content as Uint8List));
String get stringContent {
final codec = Charset.detect(
byteContent,
defaultEncoding: utf8,
orders: [
utf8,
ascii,
gbk,
latin1,
],
) ??
utf8;
return codec.decode(content);
}
Uint8List get byteContent {
decompress();
final content = this.content;
if (content is String) {
return utf8.encode(content);
} else if (content is Iterable) {
return Uint8List.fromList(content.cast<int>().toList());
} else {
return rawContent!.toUint8List();
}
}
}