mirror of https://github.com/gchq/CyberChef.git
Merge branch 'qrcodes' of https://github.com/j433866/CyberChef into j433866-qrcodes
This commit is contained in:
n1474335
commit
4ee0800990
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@ -92,6 +92,7 @@
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"exif-parser": "^0.1.12",
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"file-saver": "^2.0.0-rc.4",
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"highlight.js": "^9.13.1",
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"jimp": "^0.6.0",
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"jquery": "^3.3.1",
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"js-crc": "^0.2.0",
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"js-sha3": "^0.8.0",
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@ -99,6 +100,7 @@
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"jsesc": "^2.5.1",
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"jsonpath": "^1.0.0",
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"jsonwebtoken": "^8.3.0",
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"jsqr": "^1.1.1",
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"jsrsasign": "8.0.12",
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"kbpgp": "^2.0.82",
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"lodash": "^4.17.11",
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@ -113,6 +115,7 @@
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"nwmatcher": "^1.4.4",
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"otp": "^0.1.3",
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"popper.js": "^1.14.4",
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"qr-image": "^3.2.0",
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"scryptsy": "^2.0.0",
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"snackbarjs": "^1.1.0",
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"sortablejs": "^1.7.0",
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@ -363,6 +363,8 @@
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"Generate UUID",
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"Generate TOTP",
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"Generate HOTP",
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"Generate QR Code",
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"Parse QR Code",
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"Haversine distance",
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"Numberwang",
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"XKCD Random Number"
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@ -0,0 +1,104 @@
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/**
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* @author j433866 [j433866@gmail.com]
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* @copyright Crown Copyright 2018
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import OperationError from "../errors/OperationError";
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import qr from "qr-image";
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import { toBase64 } from "../lib/Base64";
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import Magic from "../lib/Magic";
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/**
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* Generate QR Code operation
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*/
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class GenerateQRCode extends Operation {
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/**
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* GenerateQRCode constructor
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*/
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constructor() {
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super();
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this.name = "Generate QR Code";
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this.module = "Image";
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this.description = "Generates a QR code from text.";
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this.infoURL = "https://wikipedia.org/wiki/QR_code";
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this.inputType = "string";
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this.outputType = "byteArray";
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this.presentType = "html";
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this.args = [
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{
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"name": "Image Format",
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"type": "option",
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"value": ["PNG", "SVG"]
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},
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{
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"name": "Size of QR module",
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"type": "number",
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"value": 5
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},
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{
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"name": "Margin",
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"type": "number",
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"value": 2
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {File}
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*/
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run(input, args) {
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// Create new QR image from the input data, and convert it to a buffer
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const [format, size, margin] = args;
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const qrImage = qr.imageSync(input, { type: format, size: size, margin: margin });
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if (qrImage == null) {
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throw new OperationError("Error generating QR code.");
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}
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if (format === "SVG") {
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return [...Buffer.from(qrImage)];
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} else if (format === "PNG") {
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// Return the QR image buffer as a byte array
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return [...qrImage];
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} else {
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throw new OperationError("Error generating QR code.");
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}
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}
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/**
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* Displays the QR image using HTML for web apps
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*
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* @param {byteArray} data
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* @returns {html}
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*/
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present(data, args) {
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if (!data.length) return "";
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const [format] = args;
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if (format === "SVG") {
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let outputData = "";
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for (let i = 0; i < data.length; i++){
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outputData += String.fromCharCode(parseInt(data[i]));
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}
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return outputData;
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} else {
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let dataURI = "data:";
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const type = Magic.magicFileType(data);
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if (type && type.mime.indexOf("image") === 0){
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dataURI += type.mime + ";";
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} else {
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throw new OperationError("Invalid file type");
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}
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dataURI += "base64," + toBase64(data);
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return "<img src='" + dataURI + "'>";
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}
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}
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}
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export default GenerateQRCode;
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@ -0,0 +1,105 @@
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/**
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* @author j433866 [j433866@gmail.com]
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* @copyright Crown Copyright 2018
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import OperationError from "../errors/OperationError";
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import Magic from "../lib/Magic";
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import jsqr from "jsqr";
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import jimp from "jimp";
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/**
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* Parse QR Code operation
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*/
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class ParseQRCode extends Operation {
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/**
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* ParseQRCode constructor
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*/
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constructor() {
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super();
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this.name = "Parse QR Code";
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this.module = "Image";
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this.description = "Reads an image file and attempts to detect and read a QR code from the image.<br><br><u>Normalise Image</u><br>Attempt to normalise the image before parsing it, to try and improve detection of a QR code.";
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this.infoURL = "https://wikipedia.org/wiki/QR_code";
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this.inputType = "byteArray";
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this.outputType = "string";
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this.args = [
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{
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"name": "Normalise image",
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"type": "boolean",
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"value": true
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}
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];
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}
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/**
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* @param {byteArray} input
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* @param {Object[]} args
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* @returns {string}
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*/
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async run(input, args) {
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const type = Magic.magicFileType(input);
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const [normalise] = args;
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// Make sure that the input is an image
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if (type && type.mime.indexOf("image") === 0){
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let normalisedImage = null;
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if (normalise){
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// Process the image to be easier to read by jsqr
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// Disables the alpha channel
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// Sets the image default background to white
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// Normalises the image colours
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// Makes the image greyscale
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// Converts image to a JPEG
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normalisedImage = await new Promise((resolve, reject) => {
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jimp.read(Buffer.from(input))
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.then(image => {
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image
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.rgba(false)
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.background(0xFFFFFFFF)
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.normalize()
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.greyscale()
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.getBuffer(jimp.MIME_JPEG, (error, result) => {
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resolve([...result]);
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});
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})
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.catch(err => {
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reject(new OperationError("Error reading the image file."));
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});
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});
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} else {
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normalisedImage = input;
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}
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if (normalisedImage instanceof OperationError){
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return normalisedImage;
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}
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return new Promise((resolve, reject) => {
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jimp.read(Buffer.from(normalisedImage))
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.then(image => {
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if (image.bitmap != null){
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const qrData = jsqr(image.bitmap.data, image.getWidth(), image.getHeight());
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if (qrData != null){
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resolve(qrData.data);
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} else {
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reject(new OperationError("Couldn't read a QR code from the image."));
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}
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} else {
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reject(new OperationError("Error reading the normalised image file."));
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}
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})
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.catch(err => {
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reject(new OperationError("Error reading the normalised image file."));
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});
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});
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} else {
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throw new OperationError("Invalid file type.");
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}
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}
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}
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export default ParseQRCode;
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@ -64,6 +64,7 @@ import "./tests/operations/OTP";
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import "./tests/operations/PGP";
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import "./tests/operations/PHP";
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import "./tests/operations/ParseIPRange";
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import "./tests/operations/ParseQRCode";
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import "./tests/operations/PowerSet";
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import "./tests/operations/Regex";
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import "./tests/operations/Register";
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File diff suppressed because one or more lines are too long
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@ -46,6 +46,9 @@ module.exports = {
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raw: true,
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entryOnly: true
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}),
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new webpack.DefinePlugin({
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"process.browser": "true"
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}),
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vendorCSS,
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projectCSS
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],
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