forgejo/templates/status/500.tmpl
wxiaoguang 1c8bc4081a
Show friendly 500 error page to users and developers (#24110)
Close #24104

This also introduces many tests to cover many complex error handling
functions.

### Before

The details are never shown in production.

<details>

![image](https://user-images.githubusercontent.com/2114189/231805004-13214579-4fbe-465a-821c-be75c2749097.png)

</details>

### After

The details could be shown to site admin users. It is safe.

![image](https://user-images.githubusercontent.com/2114189/231803912-d5660994-416f-4b27-a4f1-a4cc962091d4.png)
2023-04-14 13:19:11 +08:00

36 lines
1.5 KiB
Handlebars

{{template "base/head" .}}
<div role="main" aria-label="{{.Title}}" class="page-content gt-w-screen status-page-500">
<p class="gt-mt-5 center"><img src="{{AssetUrlPrefix}}/img/500.png" alt="Internal Server Error"></p>
<div class="ui divider"></div>
<div class="ui container gt-mt-5">
{{if .ErrorMsg}}
<p>{{.locale.Tr "error.occurred"}}:</p>
<pre class="gt-whitespace-pre-wrap">{{.ErrorMsg}}</pre>
{{end}}
<div class="center gt-mt-5">
{{if .ShowFooterVersion}}<p>{{.locale.Tr "admin.config.app_ver"}}: {{AppVer}}</p>{{end}}
{{if .IsAdmin}}<p>{{.locale.Tr "error.report_message" | Safe}}</p>{{end}}
</div>
</div>
</div>
{{/* when a sub-template triggers an 500 error, its parent template has been partially rendered,
then the 500 page will be rendered after that partially rendered page, the HTML/JS are totally broken.
so use this inline script to try to move it to main viewport */}}
<script type="module">
const embedded = document.querySelector('.page-content .page-content.status-page-500');
if (embedded) {
// move footer to main view
const footer = document.querySelector('footer');
if (footer) document.querySelector('body').append(footer);
// move the 500 error page content to main view
const embeddedParent = embedded.parentNode;
let main = document.querySelector('.page-content');
main = main ?? document.querySelector('body');
main.prepend(document.createElement('hr'));
main.prepend(embedded);
embeddedParent.remove(); // remove the unrelated 500-page elements (eg: the duplicate nav bar)
}
</script>
{{template "base/footer" .}}