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shadow-cljs #225

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shadow-cljs #225

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@kwladyka kwladyka commented Feb 6, 2023

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moduleNamespace = 'module-' + namespace,

$module = $(this),
$context = $(settings.context),

Check warning

Code scanning / CodeQL

Unsafe jQuery plugin

Potential XSS vulnerability in the ['$.fn.modal' plugin](1).
moduleNamespace = 'module-' + namespace,

$module = $(this),
$context = $(settings.context),

Check warning

Code scanning / CodeQL

Unsafe jQuery plugin

Potential XSS vulnerability in the ['$.fn.sidebar' plugin](1).

refresh: function() {
module.verbose('Refreshing selector cache');
$context = $(settings.context);

Check warning

Code scanning / CodeQL

Unsafe jQuery plugin

Potential XSS vulnerability in the ['$.fn.sidebar' plugin](1).

$module = $(this),
$window = $(window),
$scroll = $(settings.scrollContext),

Check warning

Code scanning / CodeQL

Unsafe jQuery plugin

Potential XSS vulnerability in the ['$.fn.sticky' plugin](1).
madis and others added 18 commits February 8, 2023 13:48
Here's an explication what caused this error and later 2 possible solutions (first a bit hacky, second nicer and future proof).

The `name-bazaar.ui.core/init` function was called (which in turn emitted the `:district0x/initialize` event (that resulted in the error due to `window.Web3Modal` not being present.
It was also called 2 times: first one failed due to the previously mentioned reason. Second one works (because `window.Web3Modal` was there).

So why 2 times?
First time due to
  - https://github.com/district0x/name-bazaar/blob/ec1be3a4fbc4529b553b984aad1cda7e55217b71/shadow-cljs.edn#L4
  - loaded at https://github.com/district0x/name-bazaar/blob/ec1be3a4fbc4529b553b984aad1cda7e55217b71/resources/public/index.html#L43
Second time due to explicit call of `name_bazaar.ui.core.init()` at https://github.com/district0x/name-bazaar/blob/ec1be3a4fbc4529b553b984aad1cda7e55217b71/resources/public/index.html#L48

The solution?
1. Make sure `web3modal` is loaded before calling `name_bazaar.ui.core.init()`
2. Also: remove the duplicity of calling  `name_bazaar.ui.core.init()` twice

Solution #1 (hacky): change the order of `<script>` tags so `web3modal` gets loaded before the name bazaar app (and its `ui.core.init` function gets executed.

Solution #2 (better): this one doesn't pollute the global object (_window_). Basically loading `web3modal` via CLJS `ns` macro (ns xx `(:require ["web3modal" :as web3modal]))` and setting it up in the code

Extra: remove the duplicity
Basically removing manual call to https://github.com/district0x/name-bazaar/blob/ec1be3a4fbc4529b553b984aad1cda7e55217b71/resources/public/index.html#L48 and letting the shadow-cljs build execute once it's loaded. Again better because we don't know when `<script>` tag finishes loading
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