subnub
255 lines
13 KiB
JavaScript
255 lines
13 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 env = require("../../enviroment/env");
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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 = require("../../utils/videoChecker");
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const imageChecker = require("../../utils/imageChecker");
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const ObjectID = require('mongodb').ObjectID;
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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 user_1 = __importDefault(require("../../models/user"));
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const removeChunks = require("../FileService/utils/removeChunks");
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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) => {
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return new Promise((resolve, reject) => {
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const password = user.getEncryptionKey();
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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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cipher.on("error", (e) => __awaiter(this, void 0, void 0, function* () {
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yield removeChunks(bucketStream);
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reject({
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message: "File service upload cipher error",
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exception: e,
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code: 500
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});
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}));
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const formData = new Map();
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busboy.on("error", (e) => __awaiter(this, void 0, void 0, function* () {
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yield removeChunks(bucketStream);
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reject({
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message: "File service upload busboy error",
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exception: e,
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code: 500
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});
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}));
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busboy.on("file", (_, file, filename) => __awaiter(this, void 0, void 0, function* () {
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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(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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chunkSizeBytes: 1024 * 255
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});
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bucketStream = bucket.openUploadStream(filename, { metadata });
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bucketStream.on("error", (e) => __awaiter(this, void 0, void 0, function* () {
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yield removeChunks(bucketStream);
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reject({
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message: "Cannot upload file to database",
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exception: e,
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code: 500
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});
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}));
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req.on("aborted", () => __awaiter(this, void 0, void 0, function* () {
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console.log("Upload Request Cancelling...");
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yield removeChunks(bucketStream);
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}));
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file.pipe(cipher).pipe(bucketStream);
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bucketStream.on("finish", (file) => {
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const imageCheck = imageChecker(filename);
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if (file.length < 15728640 && imageCheck) {
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createThumbnail_1.default(file, filename, user).then((updatedFile) => {
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resolve(updatedFile);
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});
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}
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else {
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resolve(file);
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}
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});
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})).on("field", (field, val) => {
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formData.set(field, val);
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});
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});
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};
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this.downloadFile = (user, fileID, res) => {
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return new Promise((resolve, reject) => {
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dbUtilsFile.getFileInfo(fileID, user._id).then((currentFile) => {
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if (!currentFile) {
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reject({
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code: 401,
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message: "Download File Not Found Error",
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exception: undefined
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});
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}
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else {
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const password = user.getEncryptionKey();
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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(ObjectID(fileID));
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readStream.on("error", (e) => {
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reject({
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code: 500,
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message: "File service download decipher error",
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exception: e
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});
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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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decipher.on("error", (e) => {
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reject({
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code: 500,
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message: "File service download decipher error",
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exception: e
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});
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});
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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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readStream.pipe(decipher).pipe(res).on("finish", () => {
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resolve();
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});
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}
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});
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});
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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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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) => {
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return new Promise((resolve, reject) => {
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const userID = user._id;
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dbUtilsFile.getFileInfo(fileID, userID).then((file) => {
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if (!file) {
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reject({
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code: 401,
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message: "File For Full Thumbnail Not Found",
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exception: undefined
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});
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}
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const bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db, {
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chunkSizeBytes: 1024 * 255,
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});
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const password = user.getEncryptionKey();
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const IV = file.metadata.IV.buffer;
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const readStream = bucket.openDownloadStream(ObjectID(fileID));
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readStream.on("error", (e) => {
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reject({
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code: 500,
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message: "File service Full Thumbnail stream error",
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exception: e
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});
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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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decipher.on("error", (e) => {
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reject({
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code: 500,
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message: "File service Full Thumbnail decipher error",
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exception: e
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});
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});
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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);
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readStream.pipe(decipher).pipe(res).on("finish", () => __awaiter(this, void 0, void 0, function* () {
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console.log("Sent Full Thumbnail");
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resolve();
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}));
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});
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});
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};
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this.getPublicDownload = (fileID, tempToken, res) => {
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return new Promise((resolve, reject) => {
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dbUtilsFile.getPublicFile(fileID).then((file) => __awaiter(this, void 0, void 0, function* () {
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if (!file || !file.metadata.link || file.metadata.link !== tempToken) {
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reject({
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code: 401,
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message: "File not public/Not found",
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exception: undefined
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});
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}
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else {
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const user = yield user_1.default.findById(file.metadata.owner);
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const bucket = new mongoose_1.default.mongo.GridFSBucket(conn.db, {
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chunkSizeBytes: 1024 * 255,
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});
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const password = user.getEncryptionKey();
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const IV = file.metadata.IV.buffer;
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const readStream = bucket.openDownloadStream(ObjectID(fileID));
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readStream.on("error", (e) => {
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reject({
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code: 500,
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message: "File service public download decipher error",
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exception: e
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});
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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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decipher.on("error", (e) => {
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reject({
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code: 500,
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message: "File service public download decipher error",
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exception: e
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});
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});
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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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readStream.pipe(decipher).pipe(res).on("finish", () => __awaiter(this, void 0, void 0, function* () {
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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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resolve();
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}));
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}
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}));
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});
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};
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}
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}
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exports.default = MongoService;
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