Nastaliq Captcha
A simple offline captcha in persian.
How to install
npm install --save nastaliq-captcha
How to use :
const express = require("express");
const Buffer = require("buffer").Buffer;
const { createCaptcha } = require("nastaliq-captcha");
const app = express();
const port = 4000;
app.get("/captcha", (req, res) => {
const captcha = createCaptcha(150, 50, 100, 999); // width, height, min, max
const number = captcha.number; // You can store it in a session and compare with user answer
const image = new Buffer(captcha.image, "base64");
res.writeHead(200, {
"Content-Type": "image/png",
"Content-Length": image.length,
});
res.end(image);
});
app.listen(port, () => {
console.log(`Example app listening at http://localhost:${port}`);
});
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