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fix: code-review #2 — dedup MagicBytes, auth für check_corrupted, UI-Flag, merged player streams, jq-JSON

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Dustin
2026-08-01 16:48:45 +02:00
parent 2d4c7c8b98
commit f00fd445f5
5 changed files with 57 additions and 90 deletions
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lib/services/musik_scanner.dart
+2 -32
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@@ -5,6 +5,7 @@ import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';
import '../models/song.dart';
import '../database/db_helper.dart';
import '../utils/audio_validator.dart';
import 'id3_reader.dart';
import 'melo_logger.dart';
@@ -52,7 +53,7 @@ class MusikScanner {
final tags = Id3Reader.lesen(pfad);
// ── Magic-Byte-Prüfung ──
final istKorrupt = !_hatValideMagicBytes(pfad);
final istKorrupt = !hatValideMagicBytes(file);
if (istKorrupt) {
MeloLogger().fehler('magic_bytes_scan', 'Ungültiger Audio-Header: $pfad');
}
@@ -192,37 +193,6 @@ class MusikScanner {
}
}
static bool _hatValideMagicBytes(String pfad) {
try {
final file = File(pfad);
if (!file.existsSync()) return false;
final bytes = file.readAsBytesSync().take(16).toList();
if (bytes.length < 4) return false;
// ID3v2 Tag (MP3) — 49 44 33
if (bytes[0] == 0x49 && bytes[1] == 0x44 && bytes[2] == 0x33) return true;
// MPEG Audio Frame Sync
if (bytes[0] == 0xFF && (bytes[1] & 0xFE) == 0xFA) return true;
if (bytes[0] == 0xFF && (bytes[1] == 0xF3 || bytes[1] == 0xF2)) return true;
// M4A/AAC
if (bytes.length >= 8 && bytes[4] == 0x66 && bytes[5] == 0x74 &&
bytes[6] == 0x79 && bytes[7] == 0x70) return true;
// FLAC
if (bytes[0] == 0x66 && bytes[1] == 0x4C &&
bytes[2] == 0x61 && bytes[3] == 0x43) return true;
// WAV
if (bytes[0] == 0x52 && bytes[1] == 0x49 &&
bytes[2] == 0x46 && bytes[3] == 0x46) { return true; }
// OGG
if (bytes[0] == 0x4F && bytes[1] == 0x67 &&
bytes[2] == 0x67 && bytes[3] == 0x53) { return true; }
return false;
} catch (_) {
return false;
}
}
String _dateiNameOhneEndung(String pfad) {
final name = pfad.split('/').last;
final dot = name.lastIndexOf('.');