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SickRage/cherrypy/wsgiserver/ssl_builtin.py

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"""A library for integrating pyOpenSSL with CherryPy.
The ssl module must be importable for SSL functionality.
To use this module, set CherryPyWSGIServer.ssl_adapter to an instance of
BuiltinSSLAdapter.
ssl_adapter.certificate: the filename of the server SSL certificate.
ssl_adapter.private_key: the filename of the server's private key file.
"""
try:
import ssl
except ImportError:
ssl = None
from cherrypy import wsgiserver
class BuiltinSSLAdapter(wsgiserver.SSLAdapter):
"""A wrapper for integrating Python's builtin ssl module with CherryPy."""
def __init__(self, certificate, private_key, certificate_chain=None):
if ssl is None:
raise ImportError("You must install the ssl module to use HTTPS.")
self.certificate = certificate
self.private_key = private_key
self.certificate_chain = certificate_chain
def bind(self, sock):
"""Wrap and return the given socket."""
return sock
def wrap(self, sock):
"""Wrap and return the given socket, plus WSGI environ entries."""
try:
s = ssl.wrap_socket(sock, do_handshake_on_connect=True,
server_side=True, certfile=self.certificate,
keyfile=self.private_key, ssl_version=ssl.PROTOCOL_SSLv23)
except ssl.SSLError, e:
if e.errno == ssl.SSL_ERROR_EOF:
# This is almost certainly due to the cherrypy engine
# 'pinging' the socket to assert it's connectable;
# the 'ping' isn't SSL.
return None, {}
elif e.errno == ssl.SSL_ERROR_SSL:
if e.args[1].endswith('http request'):
# The client is speaking HTTP to an HTTPS server.
raise wsgiserver.NoSSLError
raise
return s, self.get_environ(s)
# TODO: fill this out more with mod ssl env
def get_environ(self, sock):
"""Create WSGI environ entries to be merged into each request."""
cipher = sock.cipher()
ssl_environ = {
"wsgi.url_scheme": "https",
"HTTPS": "on",
'SSL_PROTOCOL': cipher[1],
'SSL_CIPHER': cipher[0]
## SSL_VERSION_INTERFACE string The mod_ssl program version
## SSL_VERSION_LIBRARY string The OpenSSL program version
}
return ssl_environ
def makefile(self, sock, mode='r', bufsize= -1):
return wsgiserver.CP_fileobject(sock, mode, bufsize)