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CSP: Deduplicate identical values

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This commit is contained in:
Raphael Michel
2022-12-19 14:53:32 +01:00
parent c8983ca863
commit 5d82305e18
1 changed files with 1 additions and 1 deletions
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src/pretix/base/middleware.py
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@@ -306,7 +306,7 @@ class SecurityMiddleware(MiddlewareMixin):
resp['Content-Security-Policy'] = _render_csp(h).format(static=staticdomain, dynamic=dynamicdomain,
media=mediadomain)
for k, v in h.items():
h[k] = ' '.join(v).format(static=staticdomain, dynamic=dynamicdomain, media=mediadomain).split(' ')
h[k] = sorted(set(' '.join(v).format(static=staticdomain, dynamic=dynamicdomain, media=mediadomain).split(' ')))
resp['Content-Security-Policy'] = _render_csp(h)
elif 'Content-Security-Policy' in resp:
del resp['Content-Security-Policy']