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Allow to override INCLUDE_NONCE_IN via @csp #140

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Allow to override INCLUDE_NONCE_IN via @csp #140

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8 changes: 5 additions & 3 deletions csp/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,8 @@ def from_settings():
settings, 'CSP_UPGRADE_INSECURE_REQUESTS', False),
'block-all-mixed-content': getattr(
settings, 'CSP_BLOCK_ALL_MIXED_CONTENT', False),
'_include-nonce-in': getattr(
settings, 'CSP_INCLUDE_NONCE_IN', ['default-src']),
}


Expand All @@ -65,6 +67,8 @@ def build_policy(config=None, update=None, replace=None, nonce=None):
csp = {}

for k in set(chain(config, replace)):
if k.startswith('_'):
continue
if k in replace:
v = replace[k]
else:
Expand Down Expand Up @@ -104,9 +108,7 @@ def build_policy(config=None, update=None, replace=None, nonce=None):
policy_parts['report-uri'] = ' '.join(report_uri)

if nonce:
include_nonce_in = getattr(settings, 'CSP_INCLUDE_NONCE_IN',
['default-src'])
for section in include_nonce_in:
for section in config.get('_include-nonce-in', ['default-src']):
policy = policy_parts.get(section, '')
policy_parts[section] = ("%s %s" %
(policy, "'nonce-%s'" % nonce)).strip()
Expand Down