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immich/server/src/cores/storage.core.ts
2024-09-27 10:28:42 -04:00

310 lines
11 KiB
TypeScript

import { randomUUID } from 'node:crypto';
import { dirname, join, resolve } from 'node:path';
import { APP_MEDIA_LOCATION } from 'src/constants';
import { SystemConfigCore } from 'src/cores/system-config.core';
import { AssetEntity } from 'src/entities/asset.entity';
import { PersonEntity } from 'src/entities/person.entity';
import { AssetFileType, AssetPathType, ImageFormat, PathType, PersonPathType, StorageFolder } from 'src/enum';
import { IAssetRepository } from 'src/interfaces/asset.interface';
import { ICryptoRepository } from 'src/interfaces/crypto.interface';
import { ILoggerRepository } from 'src/interfaces/logger.interface';
import { IMoveRepository } from 'src/interfaces/move.interface';
import { IPersonRepository } from 'src/interfaces/person.interface';
import { IStorageRepository } from 'src/interfaces/storage.interface';
import { ISystemMetadataRepository } from 'src/interfaces/system-metadata.interface';
import { getAssetFiles } from 'src/utils/asset.util';
export const THUMBNAIL_DIR = resolve(join(APP_MEDIA_LOCATION, StorageFolder.THUMBNAILS));
export const ENCODED_VIDEO_DIR = resolve(join(APP_MEDIA_LOCATION, StorageFolder.ENCODED_VIDEO));
export interface MoveRequest {
entityId: string;
pathType: PathType;
oldPath: string | null;
newPath: string;
assetInfo?: {
sizeInBytes: number;
checksum: Buffer;
};
}
export type GeneratedImageType = AssetPathType.PREVIEW | AssetPathType.THUMBNAIL;
export type GeneratedAssetType = GeneratedImageType | AssetPathType.ENCODED_VIDEO;
let instance: StorageCore | null;
export class StorageCore {
private configCore;
private constructor(
private assetRepository: IAssetRepository,
private cryptoRepository: ICryptoRepository,
private moveRepository: IMoveRepository,
private personRepository: IPersonRepository,
private storageRepository: IStorageRepository,
systemMetadataRepository: ISystemMetadataRepository,
private logger: ILoggerRepository,
) {
this.configCore = SystemConfigCore.create(systemMetadataRepository, this.logger);
}
static create(
assetRepository: IAssetRepository,
cryptoRepository: ICryptoRepository,
moveRepository: IMoveRepository,
personRepository: IPersonRepository,
storageRepository: IStorageRepository,
systemMetadataRepository: ISystemMetadataRepository,
logger: ILoggerRepository,
) {
if (!instance) {
instance = new StorageCore(
assetRepository,
cryptoRepository,
moveRepository,
personRepository,
storageRepository,
systemMetadataRepository,
logger,
);
}
return instance;
}
static reset() {
instance = null;
}
static getFolderLocation(folder: StorageFolder, userId: string) {
return join(StorageCore.getBaseFolder(folder), userId);
}
static getLibraryFolder(user: { storageLabel: string | null; id: string }) {
return join(StorageCore.getBaseFolder(StorageFolder.LIBRARY), user.storageLabel || user.id);
}
static getBaseFolder(folder: StorageFolder) {
return join(APP_MEDIA_LOCATION, folder);
}
static getPersonThumbnailPath(person: PersonEntity) {
return StorageCore.getNestedPath(StorageFolder.THUMBNAILS, person.ownerId, `${person.id}.jpeg`);
}
static getImagePath(asset: AssetEntity, type: GeneratedImageType, format: ImageFormat) {
return StorageCore.getNestedPath(StorageFolder.THUMBNAILS, asset.ownerId, `${asset.id}-${type}.${format}`);
}
static getEncodedVideoPath(asset: AssetEntity) {
return StorageCore.getNestedPath(StorageFolder.ENCODED_VIDEO, asset.ownerId, `${asset.id}.mp4`);
}
static getAndroidMotionPath(asset: AssetEntity, uuid: string) {
return StorageCore.getNestedPath(StorageFolder.ENCODED_VIDEO, asset.ownerId, `${uuid}-MP.mp4`);
}
static isAndroidMotionPath(originalPath: string) {
return originalPath.startsWith(StorageCore.getBaseFolder(StorageFolder.ENCODED_VIDEO));
}
static isImmichPath(path: string) {
const resolvedPath = resolve(path);
const resolvedAppMediaLocation = resolve(APP_MEDIA_LOCATION);
const normalizedPath = resolvedPath.endsWith('/') ? resolvedPath : resolvedPath + '/';
const normalizedAppMediaLocation = resolvedAppMediaLocation.endsWith('/')
? resolvedAppMediaLocation
: resolvedAppMediaLocation + '/';
return normalizedPath.startsWith(normalizedAppMediaLocation);
}
static isGeneratedAsset(path: string) {
return path.startsWith(THUMBNAIL_DIR) || path.startsWith(ENCODED_VIDEO_DIR);
}
async moveAssetImage(asset: AssetEntity, pathType: GeneratedImageType, format: ImageFormat) {
const { id: entityId, files } = asset;
const { thumbnailFile, previewFile } = getAssetFiles(files);
const oldFile = pathType === AssetPathType.PREVIEW ? previewFile : thumbnailFile;
return this.moveFile({
entityId,
pathType,
oldPath: oldFile?.path || null,
newPath: StorageCore.getImagePath(asset, pathType, format),
});
}
async moveAssetVideo(asset: AssetEntity) {
return this.moveFile({
entityId: asset.id,
pathType: AssetPathType.ENCODED_VIDEO,
oldPath: asset.encodedVideoPath,
newPath: StorageCore.getEncodedVideoPath(asset),
});
}
async movePersonFile(person: PersonEntity, pathType: PersonPathType) {
const { id: entityId, thumbnailPath } = person;
switch (pathType) {
case PersonPathType.FACE: {
await this.moveFile({
entityId,
pathType,
oldPath: thumbnailPath,
newPath: StorageCore.getPersonThumbnailPath(person),
});
}
}
}
async moveFile(request: MoveRequest) {
const { entityId, pathType, oldPath, newPath, assetInfo } = request;
if (!oldPath || oldPath === newPath) {
return;
}
this.ensureFolders(newPath);
let move = await this.moveRepository.getByEntity(entityId, pathType);
if (move) {
this.logger.log(`Attempting to finish incomplete move: ${move.oldPath} => ${move.newPath}`);
const oldPathExists = await this.storageRepository.checkFileExists(move.oldPath);
const newPathExists = await this.storageRepository.checkFileExists(move.newPath);
const newPathCheck = newPathExists ? move.newPath : null;
const actualPath = oldPathExists ? move.oldPath : newPathCheck;
if (!actualPath) {
this.logger.warn('Unable to complete move. File does not exist at either location.');
return;
}
const fileAtNewLocation = actualPath === move.newPath;
this.logger.log(`Found file at ${fileAtNewLocation ? 'new' : 'old'} location`);
if (
fileAtNewLocation &&
!(await this.verifyNewPathContentsMatchesExpected(move.oldPath, move.newPath, assetInfo))
) {
this.logger.fatal(
`Skipping move as file verification failed, old file is missing and new file is different to what was expected`,
);
return;
}
move = await this.moveRepository.update({ id: move.id, oldPath: actualPath, newPath });
} else {
move = await this.moveRepository.create({ entityId, pathType, oldPath, newPath });
}
if (pathType === AssetPathType.ORIGINAL && !assetInfo) {
this.logger.warn(`Unable to complete move. Missing asset info for ${entityId}`);
return;
}
if (move.oldPath !== newPath) {
try {
this.logger.debug(`Attempting to rename file: ${move.oldPath} => ${newPath}`);
await this.storageRepository.rename(move.oldPath, newPath);
} catch (error: any) {
if (error.code !== 'EXDEV') {
this.logger.warn(
`Unable to complete move. Error renaming file with code ${error.code} and message: ${error.message}`,
);
return;
}
this.logger.debug(`Unable to rename file. Falling back to copy, verify and delete`);
await this.storageRepository.copyFile(move.oldPath, newPath);
if (!(await this.verifyNewPathContentsMatchesExpected(move.oldPath, newPath, assetInfo))) {
this.logger.warn(`Skipping move due to file size mismatch`);
await this.storageRepository.unlink(newPath);
return;
}
const { atime, mtime } = await this.storageRepository.stat(move.oldPath);
await this.storageRepository.utimes(newPath, atime, mtime);
try {
await this.storageRepository.unlink(move.oldPath);
} catch (error: any) {
this.logger.warn(`Unable to delete old file, it will now no longer be tracked by Immich: ${error.message}`);
}
}
}
await this.savePath(pathType, entityId, newPath);
await this.moveRepository.delete(move);
}
private async verifyNewPathContentsMatchesExpected(
oldPath: string,
newPath: string,
assetInfo?: { sizeInBytes: number; checksum: Buffer },
) {
const oldStat = await this.storageRepository.stat(oldPath);
const newStat = await this.storageRepository.stat(newPath);
const oldPathSize = assetInfo ? assetInfo.sizeInBytes : oldStat.size;
const newPathSize = newStat.size;
this.logger.debug(`File size check: ${newPathSize} === ${oldPathSize}`);
if (newPathSize !== oldPathSize) {
this.logger.warn(`Unable to complete move. File size mismatch: ${newPathSize} !== ${oldPathSize}`);
return false;
}
const config = await this.configCore.getConfig({ withCache: true });
if (assetInfo && config.storageTemplate.hashVerificationEnabled) {
const { checksum } = assetInfo;
const newChecksum = await this.cryptoRepository.hashFile(newPath);
if (!newChecksum.equals(checksum)) {
this.logger.warn(
`Unable to complete move. File checksum mismatch: ${newChecksum.toString('base64')} !== ${checksum.toString(
'base64',
)}`,
);
return false;
}
this.logger.debug(`File checksum check: ${newChecksum.toString('base64')} === ${checksum.toString('base64')}`);
}
return true;
}
ensureFolders(input: string) {
this.storageRepository.mkdirSync(dirname(input));
}
removeEmptyDirs(folder: StorageFolder) {
return this.storageRepository.removeEmptyDirs(StorageCore.getBaseFolder(folder));
}
private savePath(pathType: PathType, id: string, newPath: string) {
switch (pathType) {
case AssetPathType.ORIGINAL: {
return this.assetRepository.update({ id, originalPath: newPath });
}
case AssetPathType.PREVIEW: {
return this.assetRepository.upsertFile({ assetId: id, type: AssetFileType.PREVIEW, path: newPath });
}
case AssetPathType.THUMBNAIL: {
return this.assetRepository.upsertFile({ assetId: id, type: AssetFileType.THUMBNAIL, path: newPath });
}
case AssetPathType.ENCODED_VIDEO: {
return this.assetRepository.update({ id, encodedVideoPath: newPath });
}
case AssetPathType.SIDECAR: {
return this.assetRepository.update({ id, sidecarPath: newPath });
}
case PersonPathType.FACE: {
return this.personRepository.update({ id, thumbnailPath: newPath });
}
}
}
static getNestedFolder(folder: StorageFolder, ownerId: string, filename: string): string {
return join(StorageCore.getFolderLocation(folder, ownerId), filename.slice(0, 2), filename.slice(2, 4));
}
static getNestedPath(folder: StorageFolder, ownerId: string, filename: string): string {
return join(this.getNestedFolder(folder, ownerId, filename), filename);
}
static getTempPathInDir(dir: string): string {
return join(dir, `${randomUUID()}.tmp`);
}
}