subnub
81 lines
2.8 KiB
TypeScript
81 lines
2.8 KiB
TypeScript
import mongoose from "../../../db/mongoose";
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import crypto from "crypto";
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import Thumbnail from "../../../models/thumbnail";
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import sharp from "sharp";
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import {FileInterface} from "../../../models/file";
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import {UserInterface} from "../../../models/user";
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import fs from "fs";
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import uuid from "uuid";
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import env from "../../../enviroment/env";
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const conn = mongoose.connection;
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const createThumbnailFS = (file: FileInterface, filename: string, user: UserInterface) => {
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return new Promise<FileInterface>((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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const thumbnailFilename = uuid.v4();
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const readStream = fs.createReadStream(file.metadata.filePath!);
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const writeStream = fs.createWriteStream(env.fsDirectory + thumbnailFilename);
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const decipher = crypto.createDecipheriv('aes256', CIPHER_KEY, file.metadata.IV);
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readStream.on("error", (e: Error) => {
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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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writeStream.on("error", (e: Error) => {
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console.log("File service upload write thumbnail error", e);
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resolve(file);
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})
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decipher.on("error", (e: Error) => {
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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 thumbnailIV = crypto.randomBytes(16);
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const thumbnailCipher = crypto.createCipheriv("aes256", CIPHER_KEY, thumbnailIV);
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const imageResize = sharp().resize(300).on("error", (e: Error) => {
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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(thumbnailCipher).pipe(writeStream);
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writeStream.on("finish", async() => {
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const thumbnailModel = new Thumbnail({name: filename, owner: user._id, IV: thumbnailIV, path: env.fsDirectory + thumbnailFilename});
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await thumbnailModel.save();
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const getUpdatedFile = await 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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let updatedFile: FileInterface = getUpdatedFile.value;
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updatedFile = {...updatedFile, metadata: {...updatedFile.metadata, hasThumbnail: true, thumbnailID: thumbnailModel._id}} as FileInterface
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resolve(updatedFile);
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})
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} catch (e) {
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console.log("Thumbnail error", e);
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resolve(file);
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}
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})
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}
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export default createThumbnailFS; |