55 lines
2.5 KiB
Dart
55 lines
2.5 KiB
Dart
// SPDX-FileCopyrightText: 2026 FocusFlow contributors
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// SPDX-License-Identifier: AGPL-3.0-only
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/// Implements Encrypted Backup behavior for the Scheduler Backup package.
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library;
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import 'dart:convert';
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import 'dart:io';
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import 'dart:math';
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import 'dart:typed_data';
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import 'package:cryptography/cryptography.dart';
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part 'encrypted_backup/errors/backup_decryption_exception.dart';
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part 'encrypted_backup/codec/backup_encryption_codec.dart';
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part 'encrypted_backup/errors/backup_exception.dart';
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part 'encrypted_backup/paths/backup_file_names.dart';
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part 'encrypted_backup/paths/backup_paths.dart';
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part 'encrypted_backup/operations/encrypted_backup_operations.dart';
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/// Default scheduler data directory name under the user's home directory.
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const defaultSchedulerDirectoryName = 'ADHD_Scheduler';
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/// Default SQLite database file name used by local scheduler persistence.
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const defaultSchedulerDatabaseFileName = 'scheduler.sqlite';
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/// Default encrypted backup directory name under the scheduler data directory.
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const defaultSchedulerBackupDirectoryName = 'backups';
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/// Private file-level value for `_formatMagic`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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const _formatMagic = 'ADHD_SCHEDULER_BACKUP_V1';
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/// Private file-level value for `_fileExtension`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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const _fileExtension = '.db.enc';
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/// Private file-level value for `_kdfIterations`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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const _kdfIterations = 200000;
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/// Private file-level value for `_saltLength`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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const _saltLength = 16;
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/// Private file-level value for `_nonceLength`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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const _nonceLength = 12;
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/// Private file-level value for `_keyLength`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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const _keyLength = 32;
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/// Private file-level value for `_utf8`.
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/// Keeping this value near the helpers that use it avoids hidden global configuration while still preventing duplicate literals.
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final _utf8 = utf8.encoder;
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