diff options
Diffstat (limited to 'libpathod/pathoc.py')
-rw-r--r-- | libpathod/pathoc.py | 95 |
1 files changed, 75 insertions, 20 deletions
diff --git a/libpathod/pathoc.py b/libpathod/pathoc.py index 4efa0447..ba06b2f1 100644 --- a/libpathod/pathoc.py +++ b/libpathod/pathoc.py @@ -11,23 +11,32 @@ import threading import OpenSSL.crypto -from netlib import tcp, http, certutils, websockets +from netlib import tcp, http, http2, certutils, websockets import language.http import language.websockets from . import utils, log +import logging +logging.getLogger("hpack").setLevel(logging.WARNING) + class PathocError(Exception): pass class SSLInfo: - def __init__(self, certchain, cipher): - self.certchain, self.cipher = certchain, cipher + def __init__(self, certchain, cipher, alp): + self.certchain, self.cipher, self.alp = certchain, cipher, alp def __str__(self): + if self.alp: + alp = self.alp + else: + alp = '<no protocol negotiated>' + parts = [ + "Application Layer Protocol: %s" % alp, "Cipher: %s, %s bit, %s" % self.cipher, "SSL certificate chain:" ] @@ -150,6 +159,10 @@ class Pathoc(tcp.TCPClient): clientcert=None, ciphers=None, + # HTTP/2 + use_http2=False, + http2_skip_connection_preface=False, + # Websockets ws_read_limit = None, @@ -177,18 +190,16 @@ class Pathoc(tcp.TCPClient): ignorecodes: Sequence of return codes to ignore """ tcp.TCPClient.__init__(self, address) - self.settings = language.Settings( - staticdir = os.getcwd(), - unconstrained_file_access = True, - request_host = self.address.host, - is_client = True - ) + self.ssl, self.sni = ssl, sni self.clientcert = clientcert self.sslversion = utils.SSLVERSIONS[sslversion] self.ciphers = ciphers self.sslinfo = None + self.use_http2 = use_http2 + self.http2_skip_connection_preface = http2_skip_connection_preface + self.ws_read_limit = ws_read_limit self.timeout = timeout @@ -204,6 +215,20 @@ class Pathoc(tcp.TCPClient): self.ws_framereader = None + if self.use_http2: + self.protocol = http2.HTTP2Protocol(self) + else: + # TODO: create HTTP or Websockets protocol + self.protocol = None + + self.settings = language.Settings( + is_client = True, + staticdir = os.getcwd(), + unconstrained_file_access = True, + request_host = self.address.host, + protocol = self.protocol, + ) + def log(self): return log.Log( self.fp, @@ -233,26 +258,44 @@ class Pathoc(tcp.TCPClient): connect_to: A (host, port) tuple, which will be connected to with an HTTP CONNECT request. """ + if self.use_http2 and not self.ssl: + raise ValueError("HTTP2 without SSL is not supported.") + tcp.TCPClient.connect(self) + if connect_to: self.http_connect(connect_to) + self.sslinfo = None if self.ssl: try: + alpn_protos = [b'http1.1'] # TODO: move to a new HTTP1 protocol + if self.use_http2: + alpn_protos.append(http2.HTTP2Protocol.ALPN_PROTO_H2) + self.convert_to_ssl( sni=self.sni, cert=self.clientcert, method=self.sslversion, - cipher_list = self.ciphers + cipher_list=self.ciphers, + alpn_protos=alpn_protos ) except tcp.NetLibError as v: raise PathocError(str(v)) + self.sslinfo = SSLInfo( self.connection.get_peer_cert_chain(), - self.get_current_cipher() + self.get_current_cipher(), + self.get_alpn_proto_negotiated() ) if showssl: print >> fp, str(self.sslinfo) + + if self.use_http2: + self.protocol.check_alpn() + if not self.http2_skip_connection_preface: + self.protocol.perform_connection_preface() + if self.timeout: self.settimeout(self.timeout) @@ -337,15 +380,20 @@ class Pathoc(tcp.TCPClient): try: req = language.serve(r, self.wfile, self.settings) self.wfile.flush() - resp = list( - http.read_response( - self.rfile, - req["method"], - None + + if self.use_http2: + status_code, headers, body = self.protocol.read_response() + resp = Response("HTTP/2", status_code, "", headers, body, self.sslinfo) + else: + resp = list( + http.read_response( + self.rfile, + req["method"], + None + ) ) - ) - resp.append(self.sslinfo) - resp = Response(*resp) + resp.append(self.sslinfo) + resp = Response(*resp) except http.HttpError, v: log("Invalid server response: %s" % v) raise @@ -374,7 +422,8 @@ class Pathoc(tcp.TCPClient): May raise http.HTTPError, tcp.NetLibError """ if isinstance(r, basestring): - r = language.parse_pathoc(r).next() + r = language.parse_pathoc(r, self.use_http2).next() + if isinstance(r, language.http.Request): if r.ws: return self.websocket_start(r) @@ -382,6 +431,10 @@ class Pathoc(tcp.TCPClient): return self.http(r) elif isinstance(r, language.websockets.WebsocketFrame): self.websocket_send_frame(r) + elif isinstance(r, language.http2.Request): + return self.http(r) + # elif isinstance(r, language.http2.Frame): + # TODO: do something def main(args): # pragma: nocover @@ -407,6 +460,8 @@ def main(args): # pragma: nocover sslversion = args.sslversion, clientcert = args.clientcert, ciphers = args.ciphers, + use_http2 = args.use_http2, + http2_skip_connection_preface = args.http2_skip_connection_preface, showreq = args.showreq, showresp = args.showresp, explain = args.explain, |