egirlskey/packages/backend/src/const.ts
2022-12-25 14:22:23 +09:00

66 lines
1.5 KiB
TypeScript

export const MAX_NOTE_TEXT_LENGTH = 3000;
export const USER_ONLINE_THRESHOLD = 1000 * 60 * 10; // 10min
export const USER_ACTIVE_THRESHOLD = 1000 * 60 * 60 * 24 * 3; // 3days
//#region hard limits
// If you change DB_* values, you must also change the DB schema.
/**
* Maximum note text length that can be stored in DB.
* Surrogate pairs count as one
*/
export const DB_MAX_NOTE_TEXT_LENGTH = 8192;
/**
* Maximum image description length that can be stored in DB.
* Surrogate pairs count as one
*/
export const DB_MAX_IMAGE_COMMENT_LENGTH = 512;
//#endregion
// ブラウザで直接表示することを許可するファイルの種類のリスト
// ここに含まれないものは application/octet-stream としてレスポンスされる
// SVGはXSSを生むので許可しない
export const FILE_TYPE_BROWSERSAFE = [
// Images
'image/png',
'image/gif',
'image/jpeg',
'image/webp',
'image/avif',
'image/apng',
'image/bmp',
'image/tiff',
'image/x-icon',
// OggS
'audio/opus',
'video/ogg',
'audio/ogg',
'application/ogg',
// ISO/IEC base media file format
'video/quicktime',
'video/mp4',
'audio/mp4',
'video/x-m4v',
'audio/x-m4a',
'video/3gpp',
'video/3gpp2',
'video/mpeg',
'audio/mpeg',
'video/webm',
'audio/webm',
'audio/aac',
'audio/x-flac',
'audio/vnd.wave',
];
/*
https://github.com/sindresorhus/file-type/blob/main/supported.js
https://github.com/sindresorhus/file-type/blob/main/core.js
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Containers
*/