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Quasar RAT Disguised as an npm Package for Detecting Vulnerabilities in Ethereum Smart Contracts
Socket researchers uncover a malicious npm package posing as a tool for detecting vulnerabilities in Etherium smart contracts.
Check if a Buffer/Uint8Array is a JPEG image
npm install is-jpg
import {readChunk} from 'read-chunk';
import isJpg from 'is-jpg';
const buffer = await readChunk('unicorn.jpg', {length: 3});
isJpg(buffer);
//=> true
const xhr = new XMLHttpRequest();
xhr.open('GET', 'unicorn.jpg');
xhr.responseType = 'arraybuffer';
xhr.onload = () => {
isJpg(new Uint8Array(this.response));
//=> true
};
xhr.send();
Accepts a Buffer
(Node.js) or Uint8Array
.
It only needs the first 3 bytes.
FAQs
Check if a Buffer/Uint8Array is a JPEG image
The npm package is-jpg receives a total of 633,895 weekly downloads. As such, is-jpg popularity was classified as popular.
We found that is-jpg demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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