first commit

media/plg_multifactorauth_totp/images/totp.svg

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+<svg height="45" viewBox="0 0 113 45.000001" width="113" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.24829121 0 0 .23800411 -129.11143 -113.50479)"><path d="m523.02832 505.39047h443.94339v123.94337h-443.94339z" fill="none" stroke="#000" stroke-width="6.056613"/><text font-family="sans-serif" font-size="93.592659" letter-spacing="0" word-spacing="0" x="540.51196" y="600.6712"><tspan x="540.51196" y="600.6712">123 456</tspan></text></g></svg>

media/plg_multifactorauth_totp/joomla.asset.json

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+{
+  "$schema": "https://developer.joomla.org/schemas/json-schema/web_assets.json",
+  "name": "plg_multifactorauth_totp",
+  "version": "4.0.0",
+  "description": "Time-Based One Time Password",
+  "license": "GPL-2.0-or-later",
+  "assets": [
+    {
+      "name": "plg_multifactorauth_totp.setup",
+      "type": "script",
+      "uri": "plg_multifactorauth_totp/setup.min.js",
+      "dependencies": [
+        "qrcode",
+        "core"
+      ],
+      "attributes": {
+        "type": "module"
+      },
+      "version": "92ad1a"
+    }
+  ]
+}

media/plg_multifactorauth_totp/js/setup.js

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+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Multifactorauth.webauthn
+ *
+ * @copyright   (C) 2022 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+((Joomla, document, qrcode) => {
+
+  document.addEventListener('DOMContentLoaded', () => {
+    const elTarget = document.getElementById('users-mfa-totp-qrcode');
+    const qrData = Joomla.getOptions('plg_multifactorauth_totp.totp.qr');
+    if (!elTarget || !qrData) {
+      return;
+    }
+    const qr = qrcode(0, 'H');
+    qr.addData(qrData);
+    qr.make();
+    elTarget.innerHTML = qr.createImgTag(4);
+  });
+  // eslint-disable-next-line no-undef
+})(Joomla, document, qrcode);

media/plg_multifactorauth_totp/js/setup.min.js

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+((t,e,o)=>{e.addEventListener("DOMContentLoaded",(()=>{const a=e.getElementById("users-mfa-totp-qrcode"),n=t.getOptions("plg_multifactorauth_totp.totp.qr");if(!a||!n)return;const d=o(0,"H");d.addData(n),d.make(),a.innerHTML=d.createImgTag(4)}))})(Joomla,document,qrcode);