subnub
291 lines
10 KiB
TypeScript
291 lines
10 KiB
TypeScript
import mongoose from "../../db/mongoose";
|
|
import { Response, Request } from "express";
|
|
const conn = mongoose.connection;
|
|
const DbUtilFolder = require("../../db/utils/folderUtils");
|
|
import DbUtilFile from "../../db/utils/fileUtils/index";
|
|
import crypto from "crypto";
|
|
import videoChecker from "../../utils/videoChecker"
|
|
import imageChecker from "../../utils/imageChecker"
|
|
import { ObjectID } from "mongodb";
|
|
import createThumbnail from "../FileService/utils/createThumbnail";
|
|
import Thumbnail, {ThumbnailInterface} from "../../models/thumbnail";
|
|
import NotAuthorizedError from "../../utils/NotAuthorizedError";
|
|
import InternalServerError from "../../utils/InternalServerError";
|
|
import NotFoundError from "../../utils/NotFoundError";
|
|
import {GridFSBucketWriteStream} from "mongodb";
|
|
import awaitStream from "./utils/awaitStream";
|
|
import awaitUploadStream from "./utils/awaitUploadStream";
|
|
|
|
import User, { UserInterface } from "../../models/user";
|
|
import { FileInterface } from "../../models/file";
|
|
import { Stream } from "stream";
|
|
import removeChunks from "../FileService/utils/removeChunks";
|
|
import getBusboyData from "./utils/getBusboyData";
|
|
|
|
import ChunkInterface from "./utils/ChunkInterface";
|
|
const dbUtilsFile = new DbUtilFile();
|
|
const dbUtilsFolder = new DbUtilFolder();
|
|
|
|
class MongoService implements ChunkInterface {
|
|
|
|
constructor() {
|
|
|
|
}
|
|
|
|
uploadFile = async(user: UserInterface, busboy: any, req: Request) => {
|
|
|
|
const password = user.getEncryptionKey();
|
|
|
|
if (!password) throw new NotAuthorizedError("Invalid Encryption Key")
|
|
|
|
let bucketStream: GridFSBucketWriteStream;
|
|
|
|
const initVect = crypto.randomBytes(16);
|
|
|
|
const CIPHER_KEY = crypto.createHash('sha256').update(password).digest()
|
|
|
|
const cipher = crypto.createCipheriv('aes256', CIPHER_KEY, initVect);
|
|
|
|
const {file, filename, formData} = await getBusboyData(busboy);
|
|
|
|
const parent = formData.get("parent") || "/"
|
|
const parentList = formData.get("parentList") || "/";
|
|
const size = formData.get("size") || ""
|
|
let hasThumbnail = false;
|
|
let thumbnailID = ""
|
|
const isVideo = videoChecker(filename)
|
|
|
|
const metadata = {
|
|
owner: user._id,
|
|
parent,
|
|
parentList,
|
|
hasThumbnail,
|
|
thumbnailID,
|
|
isVideo,
|
|
size,
|
|
IV: initVect
|
|
}
|
|
|
|
|
|
let bucket = new mongoose.mongo.GridFSBucket(conn.db);
|
|
|
|
bucketStream = bucket.openUploadStream(filename, {metadata});
|
|
|
|
const allStreamsToErrorCatch = [file, cipher, bucketStream];
|
|
|
|
const finishedFile = await awaitUploadStream(file.pipe(cipher), bucketStream, req, allStreamsToErrorCatch) as FileInterface;
|
|
|
|
const imageCheck = imageChecker(filename);
|
|
|
|
if (finishedFile.length < 15728640 && imageCheck) {
|
|
|
|
const updatedFile = await createThumbnail(finishedFile, filename, user);
|
|
|
|
return updatedFile;
|
|
|
|
} else {
|
|
|
|
return finishedFile;
|
|
}
|
|
}
|
|
|
|
downloadFile = async(user: UserInterface, fileID: string, res: Response) => {
|
|
|
|
const currentFile = await dbUtilsFile.getFileInfo(fileID, user._id);
|
|
|
|
if (!currentFile) throw new NotFoundError("Download File Not Found");
|
|
|
|
const password = user.getEncryptionKey();
|
|
|
|
if (!password) throw new NotAuthorizedError("Invalid Encryption Key")
|
|
|
|
const bucket = new mongoose.mongo.GridFSBucket(conn.db);
|
|
|
|
const IV = currentFile.metadata.IV.buffer
|
|
const readStream = bucket.openDownloadStream(new ObjectID(fileID));
|
|
|
|
const CIPHER_KEY = crypto.createHash('sha256').update(password).digest()
|
|
|
|
const decipher = crypto.createDecipheriv('aes256', CIPHER_KEY, IV);
|
|
|
|
res.set('Content-Type', 'binary/octet-stream');
|
|
res.set('Content-Disposition', 'attachment; filename="' + currentFile.filename + '"');
|
|
res.set('Content-Length', currentFile.metadata.size.toString());
|
|
|
|
const allStreamsToErrorCatch = [readStream, decipher];
|
|
|
|
await awaitStream(readStream.pipe(decipher), res, allStreamsToErrorCatch);
|
|
}
|
|
|
|
getThumbnail = async(user: UserInterface, id: string) => {
|
|
|
|
const password = user.getEncryptionKey();
|
|
|
|
if (!password) throw new NotAuthorizedError("Invalid Encryption Key")
|
|
|
|
const thumbnail = await Thumbnail.findById(id) as ThumbnailInterface;
|
|
|
|
if (thumbnail.owner !== user._id.toString()) {
|
|
|
|
throw new NotAuthorizedError('Thumbnail Unauthorized Error');
|
|
}
|
|
|
|
const iv = thumbnail.data.slice(0, 16);
|
|
|
|
const chunk = thumbnail.data.slice(16);
|
|
|
|
const CIPHER_KEY = crypto.createHash('sha256').update(password).digest()
|
|
|
|
const decipher = crypto.createDecipheriv("aes256", CIPHER_KEY, iv);
|
|
|
|
const decryptedThumbnail = Buffer.concat([decipher.update(chunk), decipher.final()]);
|
|
|
|
return decryptedThumbnail;
|
|
}
|
|
|
|
getFullThumbnail = async(user: UserInterface, fileID: string, res: Response) => {
|
|
|
|
const userID = user._id;
|
|
|
|
const file: FileInterface = await dbUtilsFile.getFileInfo(fileID, userID);
|
|
|
|
if (!file) throw new NotFoundError("File Thumbnail Not Found");
|
|
|
|
const bucket = new mongoose.mongo.GridFSBucket(conn.db);
|
|
const password = user.getEncryptionKey();
|
|
const IV = file.metadata.IV.buffer
|
|
|
|
if (!password) throw new NotAuthorizedError("Invalid Encryption Key")
|
|
|
|
const readStream = bucket.openDownloadStream(new ObjectID(fileID))
|
|
|
|
const CIPHER_KEY = crypto.createHash('sha256').update(password).digest()
|
|
|
|
const decipher = crypto.createDecipheriv('aes256', CIPHER_KEY, IV);
|
|
|
|
res.set('Content-Type', 'binary/octet-stream');
|
|
res.set('Content-Disposition', 'attachment; filename="' + file.filename + '"');
|
|
res.set('Content-Length', file.metadata.size.toString());
|
|
|
|
console.log("Sending Full Thumbnail...")
|
|
|
|
const allStreamsToErrorCatch = [readStream, decipher];
|
|
|
|
await awaitStream(readStream.pipe(decipher), res, allStreamsToErrorCatch);
|
|
console.log("Full thumbnail sent");
|
|
}
|
|
|
|
getPublicDownload = async(fileID: string, tempToken: any, res: Response) => {
|
|
|
|
const file: FileInterface = await dbUtilsFile.getPublicFile(fileID);
|
|
|
|
if (!file || !file.metadata.link || file.metadata.link !== tempToken) {
|
|
throw new NotAuthorizedError("File Not Public");
|
|
}
|
|
|
|
const user = await User.findById(file.metadata.owner) as UserInterface;
|
|
|
|
const password = user.getEncryptionKey();
|
|
|
|
if (!password) throw new NotAuthorizedError("Invalid Encryption Key");
|
|
|
|
const bucket = new mongoose.mongo.GridFSBucket(conn.db);
|
|
|
|
const IV = file.metadata.IV.buffer
|
|
|
|
const readStream = bucket.openDownloadStream(new ObjectID(fileID))
|
|
|
|
const CIPHER_KEY = crypto.createHash('sha256').update(password).digest()
|
|
|
|
const decipher = crypto.createDecipheriv('aes256', CIPHER_KEY, IV);
|
|
|
|
res.set('Content-Type', 'binary/octet-stream');
|
|
res.set('Content-Disposition', 'attachment; filename="' + file.filename + '"');
|
|
res.set('Content-Length', file.metadata.size.toString());
|
|
|
|
const allStreamsToErrorCatch = [readStream, decipher];
|
|
|
|
await awaitStream(readStream.pipe(decipher), res, allStreamsToErrorCatch);
|
|
|
|
if (file.metadata.linkType === "one") {
|
|
console.log("removing public link");
|
|
await dbUtilsFile.removeOneTimePublicLink(fileID);
|
|
}
|
|
}
|
|
|
|
streamVideo = async(user: UserInterface, fileID: string, headers: any, res: Response) => {
|
|
|
|
const userID = user._id;
|
|
const currentFile = await dbUtilsFile.getFileInfo(fileID, userID);
|
|
|
|
if (!currentFile) throw new NotFoundError("Video File Not Found");
|
|
|
|
const password = user.getEncryptionKey();
|
|
|
|
if (!password) throw new NotAuthorizedError("Invalid Encryption Key")
|
|
|
|
const fileSize = currentFile.metadata.size;
|
|
|
|
const range = headers.range
|
|
const parts = range.replace(/bytes=/, "").split("-")
|
|
let start = parseInt(parts[0], 10)
|
|
let end = parts[1]
|
|
? parseInt(parts[1], 10)
|
|
: fileSize-1
|
|
const chunksize = (end-start)+1
|
|
const IV = currentFile.metadata.IV.buffer
|
|
|
|
let head = {
|
|
'Content-Range': 'bytes ' + start + '-' + end + '/' + fileSize,
|
|
'Accept-Ranges': 'bytes',
|
|
'Content-Length': chunksize,
|
|
'Content-Type': 'video/mp4'}
|
|
|
|
const bucket = new mongoose.mongo.GridFSBucket(conn.db, {
|
|
chunkSizeBytes: 1024
|
|
});
|
|
|
|
const readStream = bucket.openDownloadStream(new ObjectID(fileID), {
|
|
start: start,
|
|
end: end
|
|
});
|
|
|
|
const CIPHER_KEY = crypto.createHash('sha256').update(password).digest()
|
|
|
|
const decipher = crypto.createDecipheriv('aes256', CIPHER_KEY, IV);
|
|
|
|
res.writeHead(206, head);
|
|
|
|
const allStreamsToErrorCatch = [readStream, decipher];
|
|
|
|
await awaitStream(readStream.pipe(decipher), res, allStreamsToErrorCatch);
|
|
}
|
|
|
|
deleteFile = async(userID: string, fileID: string) => {
|
|
|
|
let bucket = new mongoose.mongo.GridFSBucket(conn.db, {
|
|
chunkSizeBytes: 1024 * 255,
|
|
});
|
|
|
|
const file = await dbUtilsFile.getFileInfo(fileID, userID);
|
|
|
|
if (!file) throw new NotFoundError("Delete File Not Found Error");
|
|
|
|
if (file.metadata.thumbnailID) {
|
|
|
|
await Thumbnail.deleteOne({_id: file.metadata.thumbnailID});
|
|
}
|
|
|
|
if (file.metadata.isVideo && file.metadata.transcoded) {
|
|
try {
|
|
await bucket.delete(new ObjectID(file.metadata.transcodedID));
|
|
} catch (e) {
|
|
console.log("Could Not Find Transcoded Video");
|
|
}
|
|
}
|
|
|
|
await bucket.delete(new ObjectID(fileID));
|
|
}
|
|
}
|
|
|
|
export default MongoService; |