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from twisted.web.server import Site, Request
class AddSecurityHeadersRequest(Request):
CSP_HEADER_VALUES = "default-src 'self'; style-src 'self' 'unsafe-inline'"
def process(self):
self.setHeader('Content-Security-Policy', self.CSP_HEADER_VALUES)
self.setHeader('X-Content-Security-Policy', self.CSP_HEADER_VALUES)
self.setHeader('X-Webkit-CSP', self.CSP_HEADER_VALUES)
self.setHeader('X-Frame-Options', 'SAMEORIGIN')
self.setHeader('X-XSS-Protection', '1; mode=block')
self.setHeader('X-Content-Type-Options', 'nosniff')
if self.isSecure():
self.setHeader('Strict-Transport-Security',
'max-age=31536000; includeSubDomains')
Request.process(self)
class PixelatedSite(Site):
requestFactory = AddSecurityHeadersRequest
@classmethod
def enable_csp_requests(cls):
cls.requestFactory = AddSecurityHeadersRequest
@classmethod
def disable_csp_requests(cls):
cls.requestFactory = Site.requestFactory
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