Files
myDrive/backend/services/ChunkService/utils/createVideoThumbnailFS.ts
T
2024-08-10 01:28:31 -04:00

116 lines
3.1 KiB
TypeScript

import mongoose from "../../../db/connections/mongoose";
import crypto from "crypto";
import Thumbnail from "../../../models/thumbnail";
import sharp from "sharp";
import { FileInterface } from "../../../models/file";
import { UserInterface } from "../../../models/user";
import fs from "fs";
import uuid from "uuid";
import env from "../../../enviroment/env";
import { ObjectId } from "mongodb";
import File from "../../../models/file";
import ffmpeg from "fluent-ffmpeg";
import tempCreateVideoThumbnailFS from "./tempCreateVideoThumbnailFS";
const createVideoThumbnailFS = (
file: FileInterface,
filename: string,
user: UserInterface
) => {
return new Promise<FileInterface>(async (resolve, reject) => {
const password = user.getEncryptionKey();
let CIPHER_KEY = crypto.createHash("sha256").update(password!).digest();
const thumbnailFilename = uuid.v4();
const readStream = fs.createReadStream(file.metadata.filePath!);
console.log("env", env);
const writeStream = fs.createWriteStream(
env.fsDirectory + thumbnailFilename
);
const decipher = crypto.createDecipheriv(
"aes256",
CIPHER_KEY,
file.metadata.IV
);
const thumbnailIV = crypto.randomBytes(16);
const thumbnailCipher = crypto.createCipheriv(
"aes256",
CIPHER_KEY,
thumbnailIV
);
const decryptedReadStream = readStream.pipe(decipher);
ffmpeg(decryptedReadStream, {
timeout: 60,
})
.seek(1)
.format("image2pipe")
.outputOptions([
"-f image2pipe",
"-vframes 1",
"-vf scale='if(gt(iw,ih),600,-1):if(gt(ih,iw),300,-1)'",
])
.on("start", (command) => {
/**
* log
*/
})
.on("end", async () => {
console.log("end");
const thumbnailModel = new Thumbnail({
name: filename,
owner: user._id,
IV: thumbnailIV,
path: env.fsDirectory + thumbnailFilename,
});
await thumbnailModel.save();
if (!file._id) {
return reject();
}
const updateFileResponse = await File.updateOne(
{ _id: new ObjectId(file._id), "metadata.owner": user._id },
{
$set: {
"metadata.hasThumbnail": true,
"metadata.thumbnailID": thumbnailModel._id,
},
}
);
if (updateFileResponse.modifiedCount === 0) {
return reject();
}
const updatedFile = await File.findById({
_id: new ObjectId(file._id),
"metadata.owner": user._id,
});
if (!updatedFile) return reject();
resolve(updatedFile?.toObject());
})
.on("error", async (err, _, stderr) => {
console.log("thumbnail error attempting temp directory fix");
const updatedFile = await tempCreateVideoThumbnailFS(
file,
filename,
user
);
resolve(updatedFile);
/**
* log
*/
})
.pipe(thumbnailCipher)
.pipe(writeStream, { end: true });
});
};
export default createVideoThumbnailFS;