subnub
66 lines
3.5 KiB
JavaScript
66 lines
3.5 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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const mongoose = require("../../../db/mongoose");
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const conn = mongoose.connection;
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const crypto = require("crypto");
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const env = require("../../../enviroment/env");
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const Thumbnail = require("../../../models/thumbnail");
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const ObjectID = require('mongodb').ObjectID;
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const sharp = require("sharp");
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const concat = require("concat-stream");
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const createThumbnail = (file, filename, user) => __awaiter(void 0, void 0, void 0, function* () {
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return new Promise((resolve) => {
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const password = user.getEncryptionKey();
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let CIPHER_KEY = crypto.createHash('sha256').update(password).digest();
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let bucket = new mongoose.mongo.GridFSBucket(conn.db, {
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chunkSizeBytes: 1024 * 255
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});
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const readStream = bucket.openDownloadStream(ObjectID(file._id));
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readStream.on("error", (e) => {
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console.log("File service upload thumbnail error", e);
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resolve(file);
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});
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const decipher = crypto.createDecipheriv('aes256', CIPHER_KEY, file.metadata.IV);
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decipher.on("error", (e) => {
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console.log("File service upload thumbnail decipher error", e);
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resolve(file);
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});
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try {
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const concatStream = concat((bufferData) => __awaiter(void 0, void 0, void 0, function* () {
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const thumbnailIV = crypto.randomBytes(16);
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//CIPHER_KEY = crypto.createHash('sha256').update(process.env.newPassword).digest()
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const thumbnailCipher = crypto.createCipheriv("aes256", CIPHER_KEY, thumbnailIV);
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bufferData = Buffer.concat([thumbnailIV, thumbnailCipher.update(bufferData), thumbnailCipher.final()]); //thumbnailCipher.update(bufferData)
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const thumbnailModel = new Thumbnail({ name: filename, owner: user._id, data: bufferData });
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yield thumbnailModel.save();
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let updatedFile = yield conn.db.collection("fs.files")
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.findOneAndUpdate({ "_id": file._id }, { "$set": { "metadata.hasThumbnail": true, "metadata.thumbnailID": thumbnailModel._id } });
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updatedFile = updatedFile.value;
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updatedFile = Object.assign(Object.assign({}, updatedFile), { metadata: Object.assign(Object.assign({}, updatedFile.metadata), { hasThumbnail: true, thumbnailID: thumbnailModel._id }) });
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resolve(updatedFile);
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})).on("error", (e) => {
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console.log("File service upload concat stream error", e);
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resolve(file);
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});
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const imageResize = sharp().resize(300).on("error", (e) => {
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console.log("resize error", e);
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resolve(file);
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});
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readStream.pipe(decipher).pipe(imageResize).pipe(concatStream);
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}
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catch (e) {
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console.log(e);
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resolve(file);
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}
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});
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});
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module.exports = createThumbnail;
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