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Fix QR code creation

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Change-Id: If05856a6fdafa43a93c6b57963820710db188d42
This commit is contained in:
Michael Albert 2020-02-10 18:07:10 +01:00
parent 61b1580735
commit f0e32abc4f
1 changed files with 10 additions and 12 deletions
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22
src/components/ShowUserPdf.js
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@ -5,23 +5,17 @@ import { PDFExport } from "@progress/kendo-react-pdf";
import QRCode from "qrcode.react";
function xor(a, b) {
var res = "",
i = a.length,
j = b.length;
while (i-- > 0 && j-- > 0)
res = (parseInt(a.charAt(i)) ^ parseInt(b.charAt(j))).toString() + res;
var res = "";
for (var i = 0; i < a.length; i++) {
res += String.fromCharCode(a.charCodeAt(i) ^ b.charCodeAt(i % b.length));
}
return res;
}
function calculateQrString(serverUrl, username, password) {
var magicString = "wo9k5tep252qxsa5yde7366kugy6c01w7oeeya9hrmpf0t7ii7";
const magicString = "wo9k5tep252qxsa5yde7366kugy6c01w7oeeya9hrmpf0t7ii7";
var urlString = "user=" + username + "&password=" + password;
while (urlString.length > magicString.length) {
magicString += magicString;
}
urlString = xor(urlString, magicString); // xor with magic string
urlString = btoa(urlString); // to base64
@ -86,7 +80,11 @@ const ShowUserPdf = props => {
var qrCode = "";
var displayname = "";
if (props.location.state) {
if (
props.location.state &&
props.location.state.id &&
props.location.state.password
) {
const { id, password } = props.location.state;
const username = id.substring(1, id.indexOf(":"));