mirror of https://github.com/gchq/CyberChef.git
95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
/**
|
|
* @author j433866 [j433866@gmail.com]
|
|
* @copyright Crown Copyright 2018
|
|
* @license Apache-2.0
|
|
*/
|
|
|
|
import Operation from "../Operation";
|
|
import OperationError from "../errors/OperationError";
|
|
import { generateQrCode } from "../lib/QRCode";
|
|
import { toBase64 } from "../lib/Base64";
|
|
import { isImage } from "../lib/FileType";
|
|
import Utils from "../Utils";
|
|
|
|
/**
|
|
* Generate QR Code operation
|
|
*/
|
|
class GenerateQRCode extends Operation {
|
|
|
|
/**
|
|
* GenerateQRCode constructor
|
|
*/
|
|
constructor() {
|
|
super();
|
|
|
|
this.name = "Generate QR Code";
|
|
this.module = "Image";
|
|
this.description = "Generates a Quick Response (QR) code from the input text.<br><br>A QR code is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached.";
|
|
this.infoURL = "https://wikipedia.org/wiki/QR_code";
|
|
this.inputType = "string";
|
|
this.outputType = "ArrayBuffer";
|
|
this.presentType = "html";
|
|
this.args = [
|
|
{
|
|
"name": "Image Format",
|
|
"type": "option",
|
|
"value": ["PNG", "SVG", "EPS", "PDF"]
|
|
},
|
|
{
|
|
"name": "Module size (px)",
|
|
"type": "number",
|
|
"value": 5,
|
|
"min": 1
|
|
},
|
|
{
|
|
"name": "Margin (num modules)",
|
|
"type": "number",
|
|
"value": 2,
|
|
"min": 0
|
|
},
|
|
{
|
|
"name": "Error correction",
|
|
"type": "option",
|
|
"value": ["Low", "Medium", "Quartile", "High"],
|
|
"defaultIndex": 1
|
|
}
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @param {string} input
|
|
* @param {Object[]} args
|
|
* @returns {ArrayBuffer}
|
|
*/
|
|
run(input, args) {
|
|
const [format, size, margin, errorCorrection] = args;
|
|
|
|
return generateQrCode(input, format, size, margin, errorCorrection);
|
|
}
|
|
|
|
/**
|
|
* Displays the QR image using HTML for web apps
|
|
*
|
|
* @param {ArrayBuffer} data
|
|
* @returns {html}
|
|
*/
|
|
present(data, args) {
|
|
if (!data.byteLength && !data.length) return "";
|
|
const dataArray = new Uint8Array(data),
|
|
[format] = args;
|
|
if (format === "PNG") {
|
|
const type = isImage(dataArray);
|
|
if (!type) {
|
|
throw new OperationError("Invalid file type.");
|
|
}
|
|
|
|
return `<img src="data:${type};base64,${toBase64(dataArray)}">`;
|
|
}
|
|
|
|
return Utils.arrayBufferToStr(data);
|
|
}
|
|
|
|
}
|
|
|
|
export default GenerateQRCode;
|