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-rw-r--r--service/src/pixelated/config/site.py47
1 files changed, 47 insertions, 0 deletions
diff --git a/service/src/pixelated/config/site.py b/service/src/pixelated/config/site.py
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+#
+# Copyright (c) 2015 ThoughtWorks, Inc.
+#
+# Pixelated is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pixelated is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
+
+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