mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-23 18:56:10 +00:00
30 lines
1.0 KiB
Python
30 lines
1.0 KiB
Python
from twisted.internet import reactor, ssl
|
|
from OpenSSL import SSL
|
|
from twisted.internet._sslverify import _OpenSSLECCurve, _defaultCurveName
|
|
|
|
|
|
class ServerContextFactory(ssl.ContextFactory):
|
|
"""Factory for PyOpenSSL SSL contexts that are used to handle incoming
|
|
connections and to make connections to remote servers."""
|
|
|
|
def __init__(self, config):
|
|
self._context = SSL.Context(SSL.SSLv23_METHOD)
|
|
self.configure_context(self._context, config)
|
|
|
|
@staticmethod
|
|
def configure_context(context, config):
|
|
try:
|
|
_ecCurve = _OpenSSLECCurve(_defaultCurveName)
|
|
_ecCurve.addECKeyToContext(context)
|
|
except:
|
|
pass
|
|
context.set_options(SSL.OP_NO_SSLv2 | SSL.OP_NO_SSLv3)
|
|
context.use_certificate(config.tls_certificate)
|
|
context.use_privatekey(config.tls_private_key)
|
|
context.load_tmp_dh(config.tls_dh_params_path)
|
|
context.set_cipher_list("!ADH:HIGH+kEDH:!AECDH:HIGH+kEECDH")
|
|
|
|
def getContext(self):
|
|
return self._context
|
|
|