1 # Copyright (C) 2015 Ipsilon project Contributors, for license see COPYING
4 from ipsilon.util.log import Log
5 from ipsilon.util.user import UserSession
6 from urllib import unquote
7 from functools import wraps
9 from urlparse import urlparse
11 # pylint: disable=no-name-in-module, import-error
12 from urllib.parse import urlparse
15 def allow_iframe(func):
17 Remove the X-Frame-Options and CSP frame-options deny headers.
20 def wrapper(*args, **kwargs):
21 result = func(*args, **kwargs)
22 for (header, value) in [
23 ('X-Frame-Options', 'deny'),
24 ('Content-Security-Policy', 'frame-options \'deny\'')]:
25 if cherrypy.response.headers.get(header, None) == value:
26 cherrypy.response.headers.pop(header, None)
33 def __init__(self, site):
35 self.basepath = cherrypy.config.get('base.mount', "")
37 self.default_headers = {
38 'Cache-Control': 'no-cache, no-store, must-revalidate, private',
40 'Content-Security-Policy': 'frame-options \'deny\'',
41 'X-Frame-Options': 'deny',
43 self.auth_protect = False
46 return cherrypy.url(relative=False)
48 def instance_base_url(self):
50 s = urlparse(unquote(url))
51 return '%s://%s%s' % (s.scheme, s.netloc, self.basepath)
53 def _check_referer(self, referer, url):
54 r = urlparse(unquote(referer))
55 u = urlparse(unquote(url))
56 if r.scheme != u.scheme:
58 if r.netloc != u.netloc:
60 if r.path.startswith(self.basepath):
64 def __call__(self, *args, **kwargs):
65 cherrypy.response.headers.update(self.default_headers)
67 self.user = UserSession().get_user()
69 if self.auth_protect and self.user.is_anonymous:
70 raise cherrypy.HTTPError(401)
72 self.debug("method: %s" % cherrypy.request.method)
73 op = getattr(self, cherrypy.request.method, None)
75 # Basic CSRF protection
76 if cherrypy.request.method != 'GET':
78 if 'referer' not in cherrypy.request.headers:
79 self.debug("Missing referer in %s request to %s"
80 % (cherrypy.request.method, url))
81 raise cherrypy.HTTPError(403)
82 referer = cherrypy.request.headers['referer']
83 if not self._check_referer(referer, url):
84 self.debug("Wrong referer %s in request to %s"
86 raise cherrypy.HTTPError(403)
87 return op(*args, **kwargs)
89 op = getattr(self, 'root', None)
91 return op(*args, **kwargs)
93 return self.default(*args, **kwargs)
95 def default(self, *args, **kwargs):
96 raise cherrypy.NotFound()
98 def add_subtree(self, name, page):
99 self.__dict__[name] = page
101 def del_subtree(self, name):
102 del self.__dict__[name]