primo commit

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": "5219a2"
+    }
+  ]
+}

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