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Update fix for potential XSS on /view (#8384)

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* Update fix for potential XSS on /view

This commit uses mimetypes to add more restricted filetypes to prevent from being served, since mimetypes are what browsers use to determine how to serve files.

* Fix typo

Fixed a typo that prevented the program from running
This commit is contained in:
Jesse Gonyou 2025-06-02 06:52:44 -04:00 committed by GitHub
parent 010954d277
commit 4f4f1c642a
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GPG Key ID: B5690EEEBB952194
1 changed files with 2 additions and 3 deletions
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server.py
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@ -476,9 +476,8 @@ class PromptServer():
# Get content type from mimetype, defaulting to 'application/octet-stream'
content_type = mimetypes.guess_type(filename)[0] or 'application/octet-stream'
# For security, force certain extensions to download instead of display
file_extension = os.path.splitext(filename)[1].lower()
if file_extension in {'.html', '.htm', '.js', '.css'}:
# For security, force certain mimetypes to download instead of display
if content_type in {'text/html', 'text/html-sandboxed', 'application/xhtml+xml', 'text/javascript', 'text/css'}:
content_type = 'application/octet-stream' # Forces download
return web.FileResponse(