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Editing: ssl_servers.py
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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