feat: allow upload of large files (#1862)

* Allow upload of large files

* feat: createByteCountingStream utility function.

---------

Co-authored-by: gpapp <gergely.papp@itworks.hu>

apps/server/src/common/helpers/utils.ts

@@ -2,6 +2,7 @@ import * as path from 'path';
 import * as bcrypt from 'bcrypt';
 import { sanitize } from 'sanitize-filename-ts';
 import { FastifyRequest } from 'fastify';
+import { Readable, Transform } from 'stream';
 
 export const envPath = path.resolve(process.cwd(), '..', '..', '.env');
 
@@ -118,3 +119,18 @@ export function normalizePostgresUrl(url: string): string {
   parsed.search = newParams.toString();
   return parsed.toString();
 }
+
+export function createByteCountingStream(source: Readable) {
+  let bytesRead = 0;
+  const stream = new Transform({
+    transform(chunk, encoding, callback) {
+      bytesRead += chunk.length;
+      callback(null, chunk);
+    },
+  });
+
+  source.pipe(stream);
+  source.on('error', (err) => stream.emit('error', err));
+
+  return { stream, getBytesRead: () => bytesRead };
+}

apps/server/src/core/attachment/attachment.utils.ts

@@ -5,15 +5,17 @@ import { sanitizeFileName } from '../../common/helpers';
 import * as sharp from 'sharp';
 
 export interface PreparedFile {
-  buffer: Buffer;
+  buffer?: Buffer;
   fileName: string;
   fileSize: number;
   fileExtension: string;
   mimeType: string;
+  multiPartFile?: MultipartFile;
 }
 
 export async function prepareFile(
   filePromise: Promise<MultipartFile>,
+  options: { skipBuffer?: boolean } = {},
 ): Promise<PreparedFile> {
   const file = await filePromise;
 
@@ -22,10 +24,16 @@ export async function prepareFile(
   }
 
   try {
-    const buffer = await file.toBuffer();
+    let buffer: Buffer | undefined;
+    let fileSize = 0;
+
+    if (!options.skipBuffer) {
+      buffer = await file.toBuffer();
+      fileSize = buffer.length;
+    }
+
     const sanitizedFilename = sanitizeFileName(file.filename);
     const fileName = sanitizedFilename.slice(0, 255);
-    const fileSize = buffer.length;
     const fileExtension = path.extname(file.filename).toLowerCase();
 
     return {
@@ -34,6 +42,7 @@ export async function prepareFile(
       fileSize,
       fileExtension,
       mimeType: file.mimetype,
+      multiPartFile: file,
     };
   } catch (error) {
     throw error;

apps/server/src/core/attachment/services/attachment.service.ts

@@ -4,6 +4,7 @@ import {
   Logger,
   NotFoundException,
 } from '@nestjs/common';
+import { Readable } from 'stream';
 import { StorageService } from '../../../integrations/storage/storage.service';
 import { MultipartFile } from '@fastify/multipart';
 import {
@@ -26,6 +27,7 @@ import { SpaceRepo } from '@docmost/db/repos/space/space.repo';
 import { InjectQueue } from '@nestjs/bullmq';
 import { QueueJob, QueueName } from '../../../integrations/queue/constants';
 import { Queue } from 'bullmq';
+import { createByteCountingStream } from '../../../common/helpers/utils';
 
 @Injectable()
 export class AttachmentService {
@@ -49,7 +51,9 @@ export class AttachmentService {
     attachmentId?: string;
   }) {
     const { filePromise, pageId, spaceId, userId, workspaceId } = opts;
-    const preparedFile: PreparedFile = await prepareFile(filePromise);
+    const preparedFile: PreparedFile = await prepareFile(filePromise, {
+      skipBuffer: true,
+    });
 
     let isUpdate = false;
     let attachmentId = null;
@@ -81,7 +85,14 @@ export class AttachmentService {
 
     const filePath = `${getAttachmentFolderPath(AttachmentType.File, workspaceId)}/${attachmentId}/${preparedFile.fileName}`;
 
-    await this.uploadToDrive(filePath, preparedFile.buffer);
+    const { stream, getBytesRead } = createByteCountingStream(
+      preparedFile.multiPartFile.file,
+    );
+
+    await this.uploadToDrive(filePath, stream);
+
+    // Update fileSize from the consumed stream
+    preparedFile.fileSize = getBytesRead();
 
     let attachment: Attachment = null;
     try {
@@ -142,7 +153,10 @@ export class AttachmentService {
     const preparedFile: PreparedFile = await prepareFile(filePromise);
     validateFileType(preparedFile.fileExtension, validImageExtensions);
 
-    const processedBuffer = await compressAndResizeIcon(preparedFile.buffer, type);
+    const processedBuffer = await compressAndResizeIcon(
+      preparedFile.buffer,
+      type,
+    );
     preparedFile.buffer = processedBuffer;
     preparedFile.fileSize = processedBuffer.length;
     preparedFile.fileName = uuid4() + preparedFile.fileExtension;
@@ -232,9 +246,9 @@ export class AttachmentService {
     }
   }
 
-  async uploadToDrive(filePath: string, fileBuffer: any) {
+  async uploadToDrive(filePath: string, fileContent: Buffer | Readable) {
     try {
-      await this.storageService.upload(filePath, fileBuffer);
+      await this.storageService.upload(filePath, fileContent);
     } catch (err) {
       this.logger.error('Error uploading file to drive:', err);
       throw new BadRequestException('Error uploading file to drive');

apps/server/src/integrations/import/services/import.service.ts

@@ -10,7 +10,11 @@ import {
 } from '../../../collaboration/collaboration.util';
 import { InjectKysely } from 'nestjs-kysely';
 import { KyselyDB } from '@docmost/db/types/kysely.types';
-import { generateSlugId, sanitizeFileName } from '../../../common/helpers';
+import {
+  generateSlugId,
+  sanitizeFileName,
+  createByteCountingStream,
+} from '../../../common/helpers';
 import { generateJitteredKeyBetween } from 'fractional-indexing-jittered';
 import { TiptapTransformer } from '@hocuspocus/transformer';
 import * as Y from 'yjs';
@@ -173,15 +177,24 @@ export class ImportService {
     };
   }
 
-  async getNewPagePosition(spaceId: string): Promise<string> {
+  async getNewPagePosition(
-    const lastPage = await this.db
+    spaceId: string,
+    parentPageId?: string,
+  ): Promise<string> {
+    let query = this.db
       .selectFrom('pages')
       .select(['id', 'position'])
       .where('spaceId', '=', spaceId)
       .orderBy('position', (ob) => ob.collate('C').desc())
-      .limit(1)
+      .limit(1);
-      .where('parentPageId', 'is', null)
+
-      .executeTakeFirst();
+    if (parentPageId) {
+      query = query.where('parentPageId', '=', parentPageId);
+    } else {
+      query = query.where('parentPageId', 'is', null);
+    }
+
+    const lastPage = await query.executeTakeFirst();
 
     if (lastPage) {
       return generateJitteredKeyBetween(lastPage.position, null);
@@ -198,20 +211,21 @@ export class ImportService {
     workspaceId: string,
   ) {
     const file = await filePromise;
-    const fileBuffer = await file.toBuffer();
     const fileExtension = path.extname(file.filename).toLowerCase();
     const fileName = sanitizeFileName(
       path.basename(file.filename, fileExtension),
     );
-    const fileSize = fileBuffer.length;
-
     const fileNameWithExt = fileName + fileExtension;
 
     const fileTaskId = uuid7();
     const filePath = `${getFileTaskFolderPath(FileTaskType.Import, workspaceId)}/${fileTaskId}/${fileNameWithExt}`;
 
     // upload file
-    await this.storageService.upload(filePath, fileBuffer);
+    const { stream, getBytesRead } = createByteCountingStream(file.file);
+
+    await this.storageService.upload(filePath, stream);
+
+    const fileSize = getBytesRead();
 
     const fileTask = await this.db
       .insertInto('fileTasks')

apps/server/src/integrations/storage/drivers/local.driver.ts

@@ -20,9 +20,15 @@ export class LocalDriver implements StorageDriver {
     return join(this.config.storagePath, filePath);
   }
 
-  async upload(filePath: string, file: Buffer): Promise<void> {
+  async upload(filePath: string, file: Buffer | Readable): Promise<void> {
     try {
-      await fs.outputFile(this._fullPath(filePath), file);
+      const fullPath = this._fullPath(filePath);
+      if (file instanceof Buffer) {
+        await fs.outputFile(fullPath, file);
+      } else {
+        await fs.mkdir(dirname(fullPath), { recursive: true });
+        await pipeline(file, createWriteStream(fullPath));
+      }
     } catch (err) {
       throw new Error(`Failed to upload file: ${(err as Error).message}`);
     }

apps/server/src/integrations/storage/drivers/s3.driver.ts

@@ -23,19 +23,21 @@ export class S3Driver implements StorageDriver {
     this.s3Client = new S3Client(config as any);
   }
 
-  async upload(filePath: string, file: Buffer): Promise<void> {
+  async upload(filePath: string, file: Buffer | Readable): Promise<void> {
     try {
       const contentType = getMimeType(filePath);
 
-      const command = new PutObjectCommand({
+      const upload = new Upload({
-        Bucket: this.config.bucket,
+        client: this.s3Client,
-        Key: filePath,
+        params: {
-        Body: file,
+          Bucket: this.config.bucket,
-        ContentType: contentType,
+          Key: filePath,
-        // ACL: "public-read",
+          Body: file,
+          ContentType: contentType,
+        },
       });
 
-      await this.s3Client.send(command);
+      await upload.done();
     } catch (err) {
       throw new Error(`Failed to upload file: ${(err as Error).message}`);
     }

apps/server/src/integrations/storage/interfaces/storage-driver.interface.ts

@@ -1,7 +1,7 @@
 import { Readable } from 'stream';
 
 export interface StorageDriver {
-  upload(filePath: string, file: Buffer): Promise<void>;
+  upload(filePath: string, file: Buffer | Readable): Promise<void>;
 
   uploadStream(filePath: string, file: Readable, options?: { recreateClient?: boolean }): Promise<void>;
 

apps/server/src/integrations/storage/storage.service.ts

@@ -8,9 +8,9 @@ export class StorageService {
   private readonly logger = new Logger(StorageService.name);
   constructor(
     @Inject(STORAGE_DRIVER_TOKEN) private storageDriver: StorageDriver,
-  ) {}
+  ) { }
 
-  async upload(filePath: string, fileContent: Buffer | any) {
+  async upload(filePath: string, fileContent: Buffer | Readable) {
     await this.storageDriver.upload(filePath, fileContent);
     this.logger.debug(`File uploaded successfully. Path: ${filePath}`);
   }