Viewing file:  ssl_servers.py (7.04 KB) -rw-r--r--
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from __future__ import absolute_import, division, print_function, unicode_literals
from future.builtins import filter, str
from future import utils
import os
import sys
import ssl
import pprint
import socket
from future.backports.urllib import parse as urllib_parse
from future.backports.http.server import (HTTPServer as _HTTPServer,
SimpleHTTPRequestHandler, BaseHTTPRequestHandler)
from future.backports.test import support
threading = support.import_module("threading")
here = os.path.dirname(__file__)
HOST = support.HOST
CERTFILE = os.path.join(here, 'keycert.pem')
# This one's based on HTTPServer, which is based on SocketServer
class HTTPSServer(_HTTPServer):
def __init__(self, server_address, handler_class, context):
_HTTPServer.__init__(self, server_address, handler_class)
self.context = context
def __str__(self):
return ('<%s %s:%s>' %
(self.__class__.__name__,
self.server_name,
self.server_port))
def get_request(self):
# override this to wrap socket with SSL
try:
sock, addr = self.socket.accept()
sslconn = self.context.wrap_socket(sock, server_side=True)
except socket.error as e:
# socket errors are silenced by the caller, print them here
if support.verbose:
sys.stderr.write("Got an error:\n%s\n" % e)
raise
return sslconn, addr
class RootedHTTPRequestHandler(SimpleHTTPRequestHandler):
# need to override translate_path to get a known root,
# instead of using os.curdir, since the test could be
# run from anywhere
server_version = "TestHTTPS/1.0"
root = here
# Avoid hanging when a request gets interrupted by the client
timeout = 5
def translate_path(self, path):
"""Translate a /-separated PATH to the local filename syntax.
Components that mean special things to the local file system
(e.g. drive or directory names) are ignored. (XXX They should
probably be diagnosed.)
"""
# abandon query parameters
path = urllib.parse.urlparse(path)[2]
path = os.path.normpath(urllib.parse.unquote(path))
words = path.split('/')
words = filter(None, words)
path = self.root
for word in words:
drive, word = os.path.splitdrive(word)
head, word = os.path.split(word)
path = os.path.join(path, word)
return path
def log_message(self, format, *args):
# we override this to suppress logging unless "verbose"
if support.verbose:
sys.stdout.write(" server (%s:%d %s):\n [%s] %s\n" %
(self.server.server_address,
self.server.server_port,
self.request.cipher(),
self.log_date_time_string(),
format%args))
class StatsRequestHandler(BaseHTTPRequestHandler):
"""Example HTTP request handler which returns SSL statistics on GET
requests.
"""
server_version = "StatsHTTPS/1.0"
def do_GET(self, send_body=True):
"""Serve a GET request."""
sock = self.rfile.raw._sock
context = sock.context
stats = {
'session_cache': context.session_stats(),
'cipher': sock.cipher(),
'compression': sock.compression(),
}
body = pprint.pformat(stats)
body = body.encode('utf-8')
self.send_response(200)
self.send_header("Content-type", "text/plain; charset=utf-8")
self.send_header("Content-Length", str(len(body)))
self.end_headers()
if send_body:
self.wfile.write(body)
def do_HEAD(self):
"""Serve a HEAD request."""
self.do_GET(send_body=False)
def log_request(self, format, *args):
if support.verbose:
BaseHTTPRequestHandler.log_request(self, format, *args)
class HTTPSServerThread(threading.Thread):
def __init__(self, context, host=HOST, handler_class=None):
self.flag = None
self.server = HTTPSServer((host, 0),
handler_class or RootedHTTPRequestHandler,
context)
self.port = self.server.server_port
threading.Thread.__init__(self)
self.daemon = True
def __str__(self):
return "<%s %s>" % (self.__class__.__name__, self.server)
def start(self, flag=None):
self.flag = flag
threading.Thread.start(self)
def run(self):
if self.flag:
self.flag.set()
try:
self.server.serve_forever(0.05)
finally:
self.server.server_close()
def stop(self):
self.server.shutdown()
def make_https_server(case, certfile=CERTFILE, host=HOST, handler_class=None):
# we assume the certfile contains both private key and certificate
context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
context.load_cert_chain(certfile)
server = HTTPSServerThread(context, host, handler_class)
flag = threading.Event()
server.start(flag)
flag.wait()
def cleanup():
if support.verbose:
sys.stdout.write('stopping HTTPS server\n')
server.stop()
if support.verbose:
sys.stdout.write('joining HTTPS thread\n')
server.join()
case.addCleanup(cleanup)
return server
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(
description='Run a test HTTPS server. '
'By default, the current directory is served.')
parser.add_argument('-p', '--port', type=int, default=4433,
help='port to listen on (default: %(default)s)')
parser.add_argument('-q', '--quiet', dest='verbose', default=True,
action='store_false', help='be less verbose')
parser.add_argument('-s', '--stats', dest='use_stats_handler', default=False,
action='store_true', help='always return stats page')
parser.add_argument('--curve-name', dest='curve_name', type=str,
action='store',
help='curve name for EC-based Diffie-Hellman')
parser.add_argument('--dh', dest='dh_file', type=str, action='store',
help='PEM file containing DH parameters')
args = parser.parse_args()
support.verbose = args.verbose
if args.use_stats_handler:
handler_class = StatsRequestHandler
else:
handler_class = RootedHTTPRequestHandler
if utils.PY2:
handler_class.root = os.getcwdu()
else:
handler_class.root = os.getcwd()
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
context.load_cert_chain(CERTFILE)
if args.curve_name:
context.set_ecdh_curve(args.curve_name)
if args.dh_file:
context.load_dh_params(args.dh_file)
server = HTTPSServer(("", args.port), handler_class, context)
if args.verbose:
print("Listening on https://localhost:{0.port}".format(args))
server.serve_forever(0.1)
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