goldjee commented on issue #30381:
URL: https://github.com/apache/superset/issues/30381#issuecomment-2375307834
Hi, @sfirke! I've modified `HTML_SANITIZATION_SCHEMA_EXTENSIONS` and added
Talisman config like this:
```Python
HTML_SANITIZATION = True
HTML_SANITIZATION_SCHEMA_EXTENSIONS = {
"attributes": {
"*": ["style", "className", "class", "src", "width", "height",
"frameborder", "marginwidth", "marginheight", "scrolling", "target"],
},
"tagNames": ["style", "iframe", "h1", "h2", "h3", "h4", "h5", "h6"],
}
TALISMAN_ENABLED = True
TALISMAN_CONFIG = {
"content_security_policy": {
"default-src": ["'self'", "'unsafe-inline'", "'unsafe-eval'"]
}
}
```
I can see updated schema extensions at the client side:
<img width="519" alt="image"
src="https://github.com/user-attachments/assets/97f0dcea-b312-4fbb-8c24-d0d7cc784e98";>
However, these adjustments didn't do the trick for me. The `class` attribute
is still empty.
<img width="1066" alt="image"
src="https://github.com/user-attachments/assets/15158ea0-480a-4b4e-aa9f-e492b3084321";>
I've also noticed an error in the browser console:
```
Uncaught NetworkError: Failed to execute 'importScripts' on
'WorkerGlobalScope': The script at
'http://localhost:8088/static/assets/worker-css.js' failed to load.
at 408b31b0-bd74-41d2-bcda-02d1e74d554e:1:1
```
Wonder if it has something to do with the missing attribute.
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