subnub
185 lines
10 KiB
JavaScript
185 lines
10 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const mongoose_1 = __importDefault(require("../../db/mongoose"));
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const conn = mongoose_1.default.connection;
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const DbUtilFolder = require("../../db/utils/folderUtils");
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const index_1 = __importDefault(require("../../db/utils/fileUtils/index"));
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const crypto_1 = __importDefault(require("crypto"));
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const videoChecker_1 = __importDefault(require("../../utils/videoChecker"));
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const imageChecker_1 = __importDefault(require("../../utils/imageChecker"));
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const mongodb_1 = require("mongodb");
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const createThumbnail_1 = __importDefault(require("../FileService/utils/createThumbnail"));
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const thumbnail_1 = __importDefault(require("../../models/thumbnail"));
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const NotAuthorizedError_1 = __importDefault(require("../../utils/NotAuthorizedError"));
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const NotFoundError_1 = __importDefault(require("../../utils/NotFoundError"));
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const awaitStream_1 = __importDefault(require("./utils/awaitStream"));
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const awaitUploadStream_1 = __importDefault(require("./utils/awaitUploadStream"));
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const user_1 = __importDefault(require("../../models/user"));
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const getBusboyData_1 = __importDefault(require("./utils/getBusboyData"));
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const dbUtilsFile = new index_1.default();
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const dbUtilsFolder = new DbUtilFolder();
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class MongoService {
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constructor() {
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this.uploadFile = (user, busboy, req) => __awaiter(this, void 0, void 0, function* () {
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const password = user.getEncryptionKey();
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if (!password)
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throw new NotAuthorizedError_1.default("Invalid Encryption Key");
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let bucketStream;
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const initVect = crypto_1.default.randomBytes(16);
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const CIPHER_KEY = crypto_1.default.createHash('sha256').update(password).digest();
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const cipher = crypto_1.default.createCipheriv('aes256', CIPHER_KEY, initVect);
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const { file, filename, formData } = yield getBusboyData_1.default(busboy);
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const parent = formData.get("parent") || "/";
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const parentList = formData.get("parentList") || "/";
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const size = formData.get("size") || "";
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let hasThumbnail = false;
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let thumbnailID = "";
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const isVideo = videoChecker_1.default(filename);
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const metadata = {
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owner: user._id,
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parent,
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parentList,
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hasThumbnail,
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thumbnailID,
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isVideo,
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size,
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IV: initVect
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};
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let bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db);
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bucketStream = bucket.openUploadStream(filename, { metadata });
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const finishedFile = yield awaitUploadStream_1.default(file.pipe(cipher), bucketStream, req);
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const imageCheck = imageChecker_1.default(filename);
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if (finishedFile.length < 15728640 && imageCheck) {
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const updatedFile = yield createThumbnail_1.default(finishedFile, filename, user);
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return updatedFile;
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}
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else {
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return finishedFile;
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}
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});
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this.downloadFile = (user, fileID, res) => __awaiter(this, void 0, void 0, function* () {
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const currentFile = yield dbUtilsFile.getFileInfo(fileID, user._id);
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if (!currentFile)
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throw new NotFoundError_1.default("Download File Not Found");
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const password = user.getEncryptionKey();
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if (!password)
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throw new NotAuthorizedError_1.default("Invalid Encryption Key");
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const bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db);
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const IV = currentFile.metadata.IV.buffer;
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const readStream = bucket.openDownloadStream(new mongodb_1.ObjectID(fileID));
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const CIPHER_KEY = crypto_1.default.createHash('sha256').update(password).digest();
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const decipher = crypto_1.default.createDecipheriv('aes256', CIPHER_KEY, IV);
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res.set('Content-Type', 'binary/octet-stream');
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res.set('Content-Disposition', 'attachment; filename="' + currentFile.filename + '"');
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res.set('Content-Length', currentFile.metadata.size.toString());
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yield awaitStream_1.default(readStream.pipe(decipher), res);
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});
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this.getThumbnail = (user, id) => __awaiter(this, void 0, void 0, function* () {
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const password = user.getEncryptionKey();
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if (!password)
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throw new NotAuthorizedError_1.default("Invalid Encryption Key");
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const thumbnail = yield thumbnail_1.default.findById(id);
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if (thumbnail.owner !== user._id.toString()) {
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throw new NotAuthorizedError_1.default('Thumbnail Unauthorized Error');
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}
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const iv = thumbnail.data.slice(0, 16);
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const chunk = thumbnail.data.slice(16);
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const CIPHER_KEY = crypto_1.default.createHash('sha256').update(password).digest();
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const decipher = crypto_1.default.createDecipheriv("aes256", CIPHER_KEY, iv);
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const decryptedThumbnail = Buffer.concat([decipher.update(chunk), decipher.final()]);
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return decryptedThumbnail;
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});
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this.getFullThumbnail = (user, fileID, res) => __awaiter(this, void 0, void 0, function* () {
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const userID = user._id;
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const file = yield dbUtilsFile.getFileInfo(fileID, userID);
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if (!file)
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throw new NotFoundError_1.default("File Thumbnail Not Found");
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const bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db);
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const password = user.getEncryptionKey();
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const IV = file.metadata.IV.buffer;
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if (!password)
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throw new NotAuthorizedError_1.default("Invalid Encryption Key");
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const readStream = bucket.openDownloadStream(new mongodb_1.ObjectID(fileID));
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const CIPHER_KEY = crypto_1.default.createHash('sha256').update(password).digest();
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const decipher = crypto_1.default.createDecipheriv('aes256', CIPHER_KEY, IV);
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res.set('Content-Type', 'binary/octet-stream');
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res.set('Content-Disposition', 'attachment; filename="' + file.filename + '"');
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res.set('Content-Length', file.metadata.size.toString());
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console.log("Sending Full Thumbnail...");
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yield awaitStream_1.default(readStream.pipe(decipher), res);
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console.log("Full thumbnail sent");
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});
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this.getPublicDownload = (fileID, tempToken, res) => __awaiter(this, void 0, void 0, function* () {
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const file = yield dbUtilsFile.getPublicFile(fileID);
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if (!file || !file.metadata.link || file.metadata.link !== tempToken) {
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throw new NotAuthorizedError_1.default("File Not Public");
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}
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const user = yield user_1.default.findById(file.metadata.owner);
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const password = user.getEncryptionKey();
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if (!password)
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throw new NotAuthorizedError_1.default("Invalid Encryption Key");
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const bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db);
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const IV = file.metadata.IV.buffer;
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const readStream = bucket.openDownloadStream(new mongodb_1.ObjectID(fileID));
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const CIPHER_KEY = crypto_1.default.createHash('sha256').update(password).digest();
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const decipher = crypto_1.default.createDecipheriv('aes256', CIPHER_KEY, IV);
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res.set('Content-Type', 'binary/octet-stream');
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res.set('Content-Disposition', 'attachment; filename="' + file.filename + '"');
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res.set('Content-Length', file.metadata.size.toString());
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yield awaitStream_1.default(readStream.pipe(decipher), res);
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if (file.metadata.linkType === "one") {
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console.log("removing public link");
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yield dbUtilsFile.removeOneTimePublicLink(fileID);
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}
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});
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this.streamVideo = (user, fileID, headers, res) => __awaiter(this, void 0, void 0, function* () {
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const userID = user._id;
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const currentFile = yield dbUtilsFile.getFileInfo(fileID, userID);
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if (!currentFile)
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throw new NotFoundError_1.default("Video File Not Found");
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const password = user.getEncryptionKey();
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if (!password)
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throw new NotAuthorizedError_1.default("Invalid Encryption Key");
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const fileSize = currentFile.metadata.size;
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const range = headers.range;
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const parts = range.replace(/bytes=/, "").split("-");
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let start = parseInt(parts[0], 10);
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let end = parts[1]
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? parseInt(parts[1], 10)
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: fileSize - 1;
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const chunksize = (end - start) + 1;
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const IV = currentFile.metadata.IV.buffer;
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let head = {
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'Content-Range': 'bytes ' + start + '-' + end + '/' + fileSize,
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'Accept-Ranges': 'bytes',
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'Content-Length': chunksize,
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'Content-Type': 'video/mp4'
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};
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const bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db, {
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chunkSizeBytes: 1024
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});
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const readStream = bucket.openDownloadStream(new mongodb_1.ObjectID(fileID), {
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start: start,
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end: end
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});
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const CIPHER_KEY = crypto_1.default.createHash('sha256').update(password).digest();
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const decipher = crypto_1.default.createDecipheriv('aes256', CIPHER_KEY, IV);
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res.writeHead(206, head);
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yield awaitStream_1.default(readStream.pipe(decipher), res);
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});
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}
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}
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exports.default = MongoService;
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