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"""Implementation of the SSL adapter base interface."""
from abc import ABCMeta, abstractmethod
class Adapter(metaclass=ABCMeta):
"""Base class for SSL driver library adapters.
Required methods:
* ``wrap(sock) -> (wrapped socket, ssl environ dict)``
* ``makefile(sock, mode='r', bufsize=DEFAULT_BUFFER_SIZE) ->
socket file object``
"""
@abstractmethod
def __init__(
self, certificate, private_key, certificate_chain=None,
ciphers=None,
):
"""Set up certificates, private key ciphers and reset context."""
self.certificate = certificate
self.private_key = private_key
self.certificate_chain = certificate_chain
self.ciphers = ciphers
self.context = None
@abstractmethod
def bind(self, sock):
"""Wrap and return the given socket."""
return sock
@abstractmethod
def wrap(self, sock):
"""Wrap and return the given socket, plus WSGI environ entries."""
raise NotImplementedError # pragma: no cover
@abstractmethod
def get_environ(self):
"""Return WSGI environ entries to be merged into each request."""
raise NotImplementedError # pragma: no cover
@abstractmethod
def makefile(self, sock, mode='r', bufsize=-1):
"""Return socket file object."""
raise NotImplementedError # pragma: no cover
|
