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switched/packages/backend/src/core/DriveService.ts
2022-12-04 10:16:03 +09:00

741 lines
23 KiB
TypeScript

import * as fs from 'node:fs';
import { Inject, Injectable } from '@nestjs/common';
import { v4 as uuid } from 'uuid';
import sharp from 'sharp';
import { IsNull } from 'typeorm';
import { DI } from '@/di-symbols.js';
import type { DriveFilesRepository, UsersRepository, DriveFoldersRepository, UserProfilesRepository } from '@/models/index.js';
import type { Config } from '@/config.js';
import Logger from '@/logger.js';
import type { IRemoteUser, User } from '@/models/entities/User.js';
import { MetaService } from '@/core/MetaService.js';
import { DriveFile } from '@/models/entities/DriveFile.js';
import { IdService } from '@/core/IdService.js';
import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
import { FILE_TYPE_BROWSERSAFE } from '@/const.js';
import { IdentifiableError } from '@/misc/identifiable-error.js';
import { contentDisposition } from '@/misc/content-disposition.js';
import { GlobalEventService } from '@/core/GlobalEventService.js';
import { VideoProcessingService } from '@/core/VideoProcessingService.js';
import { ImageProcessingService } from '@/core/ImageProcessingService.js';
import type { IImage } from '@/core/ImageProcessingService.js';
import { QueueService } from '@/core/QueueService.js';
import type { DriveFolder } from '@/models/entities/DriveFolder.js';
import { createTemp } from '@/misc/create-temp.js';
import DriveChart from '@/core/chart/charts/drive.js';
import PerUserDriveChart from '@/core/chart/charts/per-user-drive.js';
import InstanceChart from '@/core/chart/charts/instance.js';
import { DownloadService } from '@/core/DownloadService.js';
import { S3Service } from '@/core/S3Service.js';
import { InternalStorageService } from '@/core/InternalStorageService.js';
import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { FileInfoService } from '@/core/FileInfoService.js';
import type S3 from 'aws-sdk/clients/s3.js';
type AddFileArgs = {
/** User who wish to add file */
user: { id: User['id']; host: User['host']; driveCapacityOverrideMb: User['driveCapacityOverrideMb'] } | null;
/** File path */
path: string;
/** Name */
name?: string | null;
/** Comment */
comment?: string | null;
/** Folder ID */
folderId?: any;
/** If set to true, forcibly upload the file even if there is a file with the same hash. */
force?: boolean;
/** Do not save file to local */
isLink?: boolean;
/** URL of source (URLからアップロードされた場合(ローカル/リモート)の元URL) */
url?: string | null;
/** URL of source (リモートインスタンスのURLからアップロードされた場合の元URL) */
uri?: string | null;
/** Mark file as sensitive */
sensitive?: boolean | null;
requestIp?: string | null;
requestHeaders?: Record<string, string> | null;
};
type UploadFromUrlArgs = {
url: string;
user: { id: User['id']; host: User['host']; driveCapacityOverrideMb: User['driveCapacityOverrideMb'] } | null;
folderId?: DriveFolder['id'] | null;
uri?: string | null;
sensitive?: boolean;
force?: boolean;
isLink?: boolean;
comment?: string | null;
requestIp?: string | null;
requestHeaders?: Record<string, string> | null;
};
@Injectable()
export class DriveService {
private registerLogger: Logger;
private downloaderLogger: Logger;
constructor(
@Inject(DI.config)
private config: Config,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.userProfilesRepository)
private userProfilesRepository: UserProfilesRepository,
@Inject(DI.driveFilesRepository)
private driveFilesRepository: DriveFilesRepository,
@Inject(DI.driveFoldersRepository)
private driveFoldersRepository: DriveFoldersRepository,
private fileInfoService: FileInfoService,
private userEntityService: UserEntityService,
private driveFileEntityService: DriveFileEntityService,
private idService: IdService,
private metaService: MetaService,
private downloadService: DownloadService,
private internalStorageService: InternalStorageService,
private s3Service: S3Service,
private imageProcessingService: ImageProcessingService,
private videoProcessingService: VideoProcessingService,
private globalEventService: GlobalEventService,
private queueService: QueueService,
private driveChart: DriveChart,
private perUserDriveChart: PerUserDriveChart,
private instanceChart: InstanceChart,
) {
const logger = new Logger('drive', 'blue');
this.registerLogger = logger.createSubLogger('register', 'yellow');
this.downloaderLogger = logger.createSubLogger('downloader');
}
/***
* Save file
* @param path Path for original
* @param name Name for original
* @param type Content-Type for original
* @param hash Hash for original
* @param size Size for original
*/
private async save(file: DriveFile, path: string, name: string, type: string, hash: string, size: number): Promise<DriveFile> {
// thunbnail, webpublic を必要なら生成
const alts = await this.generateAlts(path, type, !file.uri);
const meta = await this.metaService.fetch();
if (meta.useObjectStorage) {
//#region ObjectStorage params
let [ext] = (name.match(/\.([a-zA-Z0-9_-]+)$/) ?? ['']);
if (ext === '') {
if (type === 'image/jpeg') ext = '.jpg';
if (type === 'image/png') ext = '.png';
if (type === 'image/webp') ext = '.webp';
if (type === 'image/apng') ext = '.apng';
if (type === 'image/vnd.mozilla.apng') ext = '.apng';
}
// 拡張子からContent-Typeを設定してそうな挙動を示すオブジェクトストレージ (upcloud?) も存在するので、
// 許可されているファイル形式でしか拡張子をつけない
if (!FILE_TYPE_BROWSERSAFE.includes(type)) {
ext = '';
}
const baseUrl = meta.objectStorageBaseUrl
?? `${ meta.objectStorageUseSSL ? 'https' : 'http' }://${ meta.objectStorageEndpoint }${ meta.objectStoragePort ? `:${meta.objectStoragePort}` : '' }/${ meta.objectStorageBucket }`;
// for original
const key = `${meta.objectStoragePrefix}/${uuid()}${ext}`;
const url = `${ baseUrl }/${ key }`;
// for alts
let webpublicKey: string | null = null;
let webpublicUrl: string | null = null;
let thumbnailKey: string | null = null;
let thumbnailUrl: string | null = null;
//#endregion
//#region Uploads
this.registerLogger.info(`uploading original: ${key}`);
const uploads = [
this.upload(key, fs.createReadStream(path), type, name),
];
if (alts.webpublic) {
webpublicKey = `${meta.objectStoragePrefix}/webpublic-${uuid()}.${alts.webpublic.ext}`;
webpublicUrl = `${ baseUrl }/${ webpublicKey }`;
this.registerLogger.info(`uploading webpublic: ${webpublicKey}`);
uploads.push(this.upload(webpublicKey, alts.webpublic.data, alts.webpublic.type, name));
}
if (alts.thumbnail) {
thumbnailKey = `${meta.objectStoragePrefix}/thumbnail-${uuid()}.${alts.thumbnail.ext}`;
thumbnailUrl = `${ baseUrl }/${ thumbnailKey }`;
this.registerLogger.info(`uploading thumbnail: ${thumbnailKey}`);
uploads.push(this.upload(thumbnailKey, alts.thumbnail.data, alts.thumbnail.type));
}
await Promise.all(uploads);
//#endregion
file.url = url;
file.thumbnailUrl = thumbnailUrl;
file.webpublicUrl = webpublicUrl;
file.accessKey = key;
file.thumbnailAccessKey = thumbnailKey;
file.webpublicAccessKey = webpublicKey;
file.webpublicType = alts.webpublic?.type ?? null;
file.name = name;
file.type = type;
file.md5 = hash;
file.size = size;
file.storedInternal = false;
return await this.driveFilesRepository.insert(file).then(x => this.driveFilesRepository.findOneByOrFail(x.identifiers[0]));
} else { // use internal storage
const accessKey = uuid();
const thumbnailAccessKey = 'thumbnail-' + uuid();
const webpublicAccessKey = 'webpublic-' + uuid();
const url = this.internalStorageService.saveFromPath(accessKey, path);
let thumbnailUrl: string | null = null;
let webpublicUrl: string | null = null;
if (alts.thumbnail) {
thumbnailUrl = this.internalStorageService.saveFromBuffer(thumbnailAccessKey, alts.thumbnail.data);
this.registerLogger.info(`thumbnail stored: ${thumbnailAccessKey}`);
}
if (alts.webpublic) {
webpublicUrl = this.internalStorageService.saveFromBuffer(webpublicAccessKey, alts.webpublic.data);
this.registerLogger.info(`web stored: ${webpublicAccessKey}`);
}
file.storedInternal = true;
file.url = url;
file.thumbnailUrl = thumbnailUrl;
file.webpublicUrl = webpublicUrl;
file.accessKey = accessKey;
file.thumbnailAccessKey = thumbnailAccessKey;
file.webpublicAccessKey = webpublicAccessKey;
file.webpublicType = alts.webpublic?.type ?? null;
file.name = name;
file.type = type;
file.md5 = hash;
file.size = size;
return await this.driveFilesRepository.insert(file).then(x => this.driveFilesRepository.findOneByOrFail(x.identifiers[0]));
}
}
/**
* Generate webpublic, thumbnail, etc
* @param path Path for original
* @param type Content-Type for original
* @param generateWeb Generate webpublic or not
*/
public async generateAlts(path: string, type: string, generateWeb: boolean) {
if (type.startsWith('video/')) {
try {
const thumbnail = await this.videoProcessingService.generateVideoThumbnail(path);
return {
webpublic: null,
thumbnail,
};
} catch (err) {
this.registerLogger.warn(`GenerateVideoThumbnail failed: ${err}`);
return {
webpublic: null,
thumbnail: null,
};
}
}
if (!['image/jpeg', 'image/png', 'image/webp', 'image/svg+xml'].includes(type)) {
this.registerLogger.debug('web image and thumbnail not created (not an required file)');
return {
webpublic: null,
thumbnail: null,
};
}
let img: sharp.Sharp | null = null;
let satisfyWebpublic: boolean;
try {
img = sharp(path);
const metadata = await img.metadata();
const isAnimated = metadata.pages && metadata.pages > 1;
// skip animated
if (isAnimated) {
return {
webpublic: null,
thumbnail: null,
};
}
satisfyWebpublic = !!(
type !== 'image/svg+xml' && type !== 'image/webp' &&
!(metadata.exif ?? metadata.iptc ?? metadata.xmp ?? metadata.tifftagPhotoshop) &&
metadata.width && metadata.width <= 2048 &&
metadata.height && metadata.height <= 2048
);
} catch (err) {
this.registerLogger.warn(`sharp failed: ${err}`);
return {
webpublic: null,
thumbnail: null,
};
}
// #region webpublic
let webpublic: IImage | null = null;
if (generateWeb && !satisfyWebpublic) {
this.registerLogger.info('creating web image');
try {
if (['image/jpeg', 'image/webp'].includes(type)) {
webpublic = await this.imageProcessingService.convertSharpToJpeg(img, 2048, 2048);
} else if (['image/png'].includes(type)) {
webpublic = await this.imageProcessingService.convertSharpToPng(img, 2048, 2048);
} else if (['image/svg+xml'].includes(type)) {
webpublic = await this.imageProcessingService.convertSharpToPng(img, 2048, 2048);
} else {
this.registerLogger.debug('web image not created (not an required image)');
}
} catch (err) {
this.registerLogger.warn('web image not created (an error occured)', err as Error);
}
} else {
if (satisfyWebpublic) this.registerLogger.info('web image not created (original satisfies webpublic)');
else this.registerLogger.info('web image not created (from remote)');
}
// #endregion webpublic
// #region thumbnail
let thumbnail: IImage | null = null;
try {
if (['image/jpeg', 'image/webp', 'image/png', 'image/svg+xml'].includes(type)) {
thumbnail = await this.imageProcessingService.convertSharpToWebp(img, 498, 280);
} else {
this.registerLogger.debug('thumbnail not created (not an required file)');
}
} catch (err) {
this.registerLogger.warn('thumbnail not created (an error occured)', err as Error);
}
// #endregion thumbnail
return {
webpublic,
thumbnail,
};
}
/**
* Upload to ObjectStorage
*/
private async upload(key: string, stream: fs.ReadStream | Buffer, type: string, filename?: string) {
if (type === 'image/apng') type = 'image/png';
if (!FILE_TYPE_BROWSERSAFE.includes(type)) type = 'application/octet-stream';
const meta = await this.metaService.fetch();
const params = {
Bucket: meta.objectStorageBucket,
Key: key,
Body: stream,
ContentType: type,
CacheControl: 'max-age=31536000, immutable',
} as S3.PutObjectRequest;
if (filename) params.ContentDisposition = contentDisposition('inline', filename);
if (meta.objectStorageSetPublicRead) params.ACL = 'public-read';
const s3 = this.s3Service.getS3(meta);
const upload = s3.upload(params, {
partSize: s3.endpoint.hostname === 'storage.googleapis.com' ? 500 * 1024 * 1024 : 8 * 1024 * 1024,
});
const result = await upload.promise();
if (result) this.registerLogger.debug(`Uploaded: ${result.Bucket}/${result.Key} => ${result.Location}`);
}
private async deleteOldFile(user: IRemoteUser) {
const q = this.driveFilesRepository.createQueryBuilder('file')
.where('file.userId = :userId', { userId: user.id })
.andWhere('file.isLink = FALSE');
if (user.avatarId) {
q.andWhere('file.id != :avatarId', { avatarId: user.avatarId });
}
if (user.bannerId) {
q.andWhere('file.id != :bannerId', { bannerId: user.bannerId });
}
q.orderBy('file.id', 'ASC');
const oldFile = await q.getOne();
if (oldFile) {
this.deleteFile(oldFile, true);
}
}
/**
* Add file to drive
*
*/
public async addFile({
user,
path,
name = null,
comment = null,
folderId = null,
force = false,
isLink = false,
url = null,
uri = null,
sensitive = null,
requestIp = null,
requestHeaders = null,
}: AddFileArgs): Promise<DriveFile> {
let skipNsfwCheck = false;
const instance = await this.metaService.fetch();
if (user == null) skipNsfwCheck = true;
if (instance.sensitiveMediaDetection === 'none') skipNsfwCheck = true;
if (user && instance.sensitiveMediaDetection === 'local' && this.userEntityService.isRemoteUser(user)) skipNsfwCheck = true;
if (user && instance.sensitiveMediaDetection === 'remote' && this.userEntityService.isLocalUser(user)) skipNsfwCheck = true;
const info = await this.fileInfoService.getFileInfo(path, {
skipSensitiveDetection: skipNsfwCheck,
sensitiveThreshold: // 感度が高いほどしきい値は低くすることになる
instance.sensitiveMediaDetectionSensitivity === 'veryHigh' ? 0.1 :
instance.sensitiveMediaDetectionSensitivity === 'high' ? 0.3 :
instance.sensitiveMediaDetectionSensitivity === 'low' ? 0.7 :
instance.sensitiveMediaDetectionSensitivity === 'veryLow' ? 0.9 :
0.5,
sensitiveThresholdForPorn: 0.75,
enableSensitiveMediaDetectionForVideos: instance.enableSensitiveMediaDetectionForVideos,
});
this.registerLogger.info(`${JSON.stringify(info)}`);
// 現状 false positive が多すぎて実用に耐えない
//if (info.porn && instance.disallowUploadWhenPredictedAsPorn) {
// throw new IdentifiableError('282f77bf-5816-4f72-9264-aa14d8261a21', 'Detected as porn.');
//}
// detect name
const detectedName = name ?? (info.type.ext ? `untitled.${info.type.ext}` : 'untitled');
if (user && !force) {
// Check if there is a file with the same hash
const much = await this.driveFilesRepository.findOneBy({
md5: info.md5,
userId: user.id,
});
if (much) {
this.registerLogger.info(`file with same hash is found: ${much.id}`);
return much;
}
}
//#region Check drive usage
if (user && !isLink) {
const usage = await this.driveFileEntityService.calcDriveUsageOf(user);
const u = await this.usersRepository.findOneBy({ id: user.id });
const instance = await this.metaService.fetch();
let driveCapacity = 1024 * 1024 * (this.userEntityService.isLocalUser(user) ? instance.localDriveCapacityMb : instance.remoteDriveCapacityMb);
if (this.userEntityService.isLocalUser(user) && u?.driveCapacityOverrideMb != null) {
driveCapacity = 1024 * 1024 * u.driveCapacityOverrideMb;
this.registerLogger.debug('drive capacity override applied');
this.registerLogger.debug(`overrideCap: ${driveCapacity}bytes, usage: ${usage}bytes, u+s: ${usage + info.size}bytes`);
}
this.registerLogger.debug(`drive usage is ${usage} (max: ${driveCapacity})`);
// If usage limit exceeded
if (usage + info.size > driveCapacity) {
if (this.userEntityService.isLocalUser(user)) {
throw new IdentifiableError('c6244ed2-a39a-4e1c-bf93-f0fbd7764fa6', 'No free space.');
} else {
// (アバターまたはバナーを含まず)最も古いファイルを削除する
this.deleteOldFile(await this.usersRepository.findOneByOrFail({ id: user.id }) as IRemoteUser);
}
}
}
//#endregion
const fetchFolder = async () => {
if (!folderId) {
return null;
}
const driveFolder = await this.driveFoldersRepository.findOneBy({
id: folderId,
userId: user ? user.id : IsNull(),
});
if (driveFolder == null) throw new Error('folder-not-found');
return driveFolder;
};
const properties: {
width?: number;
height?: number;
orientation?: number;
} = {};
if (info.width) {
properties['width'] = info.width;
properties['height'] = info.height;
}
if (info.orientation != null) {
properties['orientation'] = info.orientation;
}
const profile = user ? await this.userProfilesRepository.findOneBy({ userId: user.id }) : null;
const folder = await fetchFolder();
let file = new DriveFile();
file.id = this.idService.genId();
file.createdAt = new Date();
file.userId = user ? user.id : null;
file.userHost = user ? user.host : null;
file.folderId = folder !== null ? folder.id : null;
file.comment = comment;
file.properties = properties;
file.blurhash = info.blurhash ?? null;
file.isLink = isLink;
file.requestIp = requestIp;
file.requestHeaders = requestHeaders;
file.maybeSensitive = info.sensitive;
file.maybePorn = info.porn;
file.isSensitive = user
? this.userEntityService.isLocalUser(user) && profile!.alwaysMarkNsfw ? true :
(sensitive !== null && sensitive !== undefined)
? sensitive
: false
: false;
if (info.sensitive && profile!.autoSensitive) file.isSensitive = true;
if (info.sensitive && instance.setSensitiveFlagAutomatically) file.isSensitive = true;
if (url !== null) {
file.src = url;
if (isLink) {
file.url = url;
// ローカルプロキシ用
file.accessKey = uuid();
file.thumbnailAccessKey = 'thumbnail-' + uuid();
file.webpublicAccessKey = 'webpublic-' + uuid();
}
}
if (uri !== null) {
file.uri = uri;
}
if (isLink) {
try {
file.size = 0;
file.md5 = info.md5;
file.name = detectedName;
file.type = info.type.mime;
file.storedInternal = false;
file = await this.driveFilesRepository.insert(file).then(x => this.driveFilesRepository.findOneByOrFail(x.identifiers[0]));
} catch (err) {
// duplicate key error (when already registered)
if (isDuplicateKeyValueError(err)) {
this.registerLogger.info(`already registered ${file.uri}`);
file = await this.driveFilesRepository.findOneBy({
uri: file.uri!,
userId: user ? user.id : IsNull(),
}) as DriveFile;
} else {
this.registerLogger.error(err as Error);
throw err;
}
}
} else {
file = await (this.save(file, path, detectedName, info.type.mime, info.md5, info.size));
}
this.registerLogger.succ(`drive file has been created ${file.id}`);
if (user) {
this.driveFileEntityService.pack(file, { self: true }).then(packedFile => {
// Publish driveFileCreated event
this.globalEventService.publishMainStream(user.id, 'driveFileCreated', packedFile);
this.globalEventService.publishDriveStream(user.id, 'fileCreated', packedFile);
});
}
// 統計を更新
this.driveChart.update(file, true);
this.perUserDriveChart.update(file, true);
if (file.userHost !== null) {
this.instanceChart.updateDrive(file, true);
}
return file;
}
public async deleteFile(file: DriveFile, isExpired = false) {
if (file.storedInternal) {
this.internalStorageService.del(file.accessKey!);
if (file.thumbnailUrl) {
this.internalStorageService.del(file.thumbnailAccessKey!);
}
if (file.webpublicUrl) {
this.internalStorageService.del(file.webpublicAccessKey!);
}
} else if (!file.isLink) {
this.queueService.createDeleteObjectStorageFileJob(file.accessKey!);
if (file.thumbnailUrl) {
this.queueService.createDeleteObjectStorageFileJob(file.thumbnailAccessKey!);
}
if (file.webpublicUrl) {
this.queueService.createDeleteObjectStorageFileJob(file.webpublicAccessKey!);
}
}
this.deletePostProcess(file, isExpired);
}
public async deleteFileSync(file: DriveFile, isExpired = false) {
if (file.storedInternal) {
this.internalStorageService.del(file.accessKey!);
if (file.thumbnailUrl) {
this.internalStorageService.del(file.thumbnailAccessKey!);
}
if (file.webpublicUrl) {
this.internalStorageService.del(file.webpublicAccessKey!);
}
} else if (!file.isLink) {
const promises = [];
promises.push(this.deleteObjectStorageFile(file.accessKey!));
if (file.thumbnailUrl) {
promises.push(this.deleteObjectStorageFile(file.thumbnailAccessKey!));
}
if (file.webpublicUrl) {
promises.push(this.deleteObjectStorageFile(file.webpublicAccessKey!));
}
await Promise.all(promises);
}
this.deletePostProcess(file, isExpired);
}
private async deletePostProcess(file: DriveFile, isExpired = false) {
// リモートファイル期限切れ削除後は直リンクにする
if (isExpired && file.userHost !== null && file.uri != null) {
this.driveFilesRepository.update(file.id, {
isLink: true,
url: file.uri,
thumbnailUrl: null,
webpublicUrl: null,
storedInternal: false,
// ローカルプロキシ用
accessKey: uuid(),
thumbnailAccessKey: 'thumbnail-' + uuid(),
webpublicAccessKey: 'webpublic-' + uuid(),
});
} else {
this.driveFilesRepository.delete(file.id);
}
// 統計を更新
this.driveChart.update(file, false);
this.perUserDriveChart.update(file, false);
if (file.userHost !== null) {
this.instanceChart.updateDrive(file, false);
}
}
public async deleteObjectStorageFile(key: string) {
const meta = await this.metaService.fetch();
const s3 = this.s3Service.getS3(meta);
await s3.deleteObject({
Bucket: meta.objectStorageBucket!,
Key: key,
}).promise();
}
public async uploadFromUrl({
url,
user,
folderId = null,
uri = null,
sensitive = false,
force = false,
isLink = false,
comment = null,
requestIp = null,
requestHeaders = null,
}: UploadFromUrlArgs): Promise<DriveFile> {
let name = new URL(url).pathname.split('/').pop() ?? null;
if (name == null || !this.driveFileEntityService.validateFileName(name)) {
name = null;
}
// If the comment is same as the name, skip comment
// (image.name is passed in when receiving attachment)
if (comment !== null && name === comment) {
comment = null;
}
// Create temp file
const [path, cleanup] = await createTemp();
try {
// write content at URL to temp file
await this.downloadService.downloadUrl(url, path);
const driveFile = await this.addFile({ user, path, name, comment, folderId, force, isLink, url, uri, sensitive, requestIp, requestHeaders });
this.downloaderLogger.succ(`Got: ${driveFile.id}`);
return driveFile!;
} catch (err) {
this.downloaderLogger.error(`Failed to create drive file: ${err}`, {
url: url,
e: err,
});
throw err;
} finally {
cleanup();
}
}
}