# Module `onionr.onionrservices.httpheaders`

Onionr - Private P2P Communication

Set default onionr http headers

Source code

    '''
        Onionr - Private P2P Communication

        Set default onionr http headers
    '''
    '''
        This program is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 3 of the License, or
        (at your option) any later version.

        This program 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 General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program.  If not, see <https://www.gnu.org/licenses/>.
    '''
    FEATURE_POLICY = """vibrate; vr; webauthn; usb; sync-xhr; speaker;
    picture-in-picture; payment; midi; microphone; magnetometer; gyroscope;
    geolocation; fullscreen; encrypted-media; document-domain;
    camera; accelerometer; ambient-light-sensor""".replace('\n', '') # have to remove \n for flask
    def set_default_onionr_http_headers(flask_response):
        '''Response headers'''
        flask_response.headers['Content-Security-Policy'] = "default-src 'none'; style-src data: 'unsafe-inline'; img-src data:"
        flask_response.headers['X-Frame-Options'] = 'deny'
        flask_response.headers['X-Content-Type-Options'] = "nosniff"
        flask_response.headers['Server'] = ''
        flask_response.headers['Date'] = 'Thu, 1 Jan 1970 00:00:00 GMT' # Clock info is probably useful to attackers. Set to unix epoch.
        flask_response.headers['Connection'] = "close"
        flask_response.headers['Clear-Site-Data'] = '"cache", "cookies", "storage", "executionContexts"'
        flask_response.headers['Feature-Policy'] = FEATURE_POLICY
        flask_response.headers['Referrer-Policy'] = 'same-origin'
        return flask_response

## Functions

`def set_default_onionr_http_headers(flask_response)`

  Response headers

  Source code

      def set_default_onionr_http_headers(flask_response):
          '''Response headers'''
          flask_response.headers['Content-Security-Policy'] = "default-src 'none'; style-src data: 'unsafe-inline'; img-src data:"
          flask_response.headers['X-Frame-Options'] = 'deny'
          flask_response.headers['X-Content-Type-Options'] = "nosniff"
          flask_response.headers['Server'] = ''
          flask_response.headers['Date'] = 'Thu, 1 Jan 1970 00:00:00 GMT' # Clock info is probably useful to attackers. Set to unix epoch.
          flask_response.headers['Connection'] = "close"
          flask_response.headers['Clear-Site-Data'] = '"cache", "cookies", "storage", "executionContexts"'
          flask_response.headers['Feature-Policy'] = FEATURE_POLICY
          flask_response.headers['Referrer-Policy'] = 'same-origin'
          return flask_response