This commit prevents unallowed URLs in iframe src by adding a relative path like `https://bob.com/abc/def/../ghi`. Currently, the iframe linking to the site uses the current_user, not the post's author, so users who have no access to a certain path are not able to view anything they shouldn't.
Also, the change in insert-hyperlink (from `this.linkUrl.indexOf("http") === -1` to `!this.linkUrl.startsWith("http")`) was intentional fix: we don't want to prevent users from looking up topics with http in their titles.
Previously we were only applying the restriction to `a[href]` and `img[src]`. This commit ensures we apply the same logic to all allowlisted media src attributes.
Allows to write custom code blocks:
```
```mermaid height=200,foo=bar
test
```
```
Which will then get converted to:
```
<pre data-code-wrap="mermaid" data-code-height="200" data-code-foo="bar">
<code class="lang-nohighlight">
test
</code>
</pre>
```
Over the years we accrued many spelling mistakes in the code base.
This PR attempts to fix spelling mistakes and typos in all areas of the code that are extremely safe to change
- comments
- test descriptions
- other low risk areas
This is not a security issue because regular users are not allowed to insert FA icons anywhere in the app. Admins can insert icons via custom badges, but they do have the ability to create themes with JS.
eslint --fix is capable of fix it automatically for you, ensure prettier is run after eslint as eslint --fix could leave the code in an invalid prettier state.
