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Code Issues Releases Wiki Activity

Correct CSP

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no need blob: value for object-src
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Petipopotam 2023-01-19 20:19:55 +01:00 committed by GitHub
parent ed22209e6c
commit beb619c2c2
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1 changed files with 4 additions and 4 deletions
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8
cps/web.py
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@ -82,16 +82,16 @@ except ImportError:
def add_security_headers(resp): def add_security_headers(resp):
csp = "default-src 'self'" csp = "default-src 'self'"
csp += ''.join([' ' + host for host in config.config_trustedhosts.strip().split(',')]) csp += ''.join([' ' + host for host in config.config_trustedhosts.strip().split(',')])
csp += " 'unsafe-inline' 'unsafe-eval'; font-src 'self' data:; img-src 'self' blob:" csp += " 'unsafe-inline' 'unsafe-eval'; font-src 'self' data:; img-src 'self'"
if request.path.startswith("/author/") and config.config_use_goodreads: if request.path.startswith("/author/") and config.config_use_goodreads:
csp += " images.gr-assets.com i.gr-assets.com s.gr-assets.com" csp += " images.gr-assets.com i.gr-assets.com s.gr-assets.com"
csp += " data:;" csp += " blob: data:;"
csp += " object-src 'none'" csp += " object-src 'none';"
resp.headers['Content-Security-Policy'] = csp resp.headers['Content-Security-Policy'] = csp
if request.endpoint == "edit-book.show_edit_book" or config.config_use_google_drive: if request.endpoint == "edit-book.show_edit_book" or config.config_use_google_drive:
resp.headers['Content-Security-Policy'] += " *" resp.headers['Content-Security-Policy'] += " *"
elif request.endpoint == "web.read_book": elif request.endpoint == "web.read_book":
resp.headers['Content-Security-Policy'] += " blob:; style-src-elem 'self' blob: 'unsafe-inline';" resp.headers['Content-Security-Policy'] += " style-src-elem 'self' blob: 'unsafe-inline';"
resp.headers['X-Content-Type-Options'] = 'nosniff' resp.headers['X-Content-Type-Options'] = 'nosniff'
resp.headers['X-Frame-Options'] = 'SAMEORIGIN' resp.headers['X-Frame-Options'] = 'SAMEORIGIN'
resp.headers['X-XSS-Protection'] = '1; mode=block' resp.headers['X-XSS-Protection'] = '1; mode=block'