re-add http1 replay

libmproxy/protocol2/http.py

@@ -1,14 +1,18 @@
 from __future__ import (absolute_import, print_function, division)
 
 from .. import version
+import threading
 from ..exceptions import InvalidCredentials, HttpException, ProtocolException
 from .layer import Layer
 from libmproxy import utils
+from libmproxy.controller import Channel
 from libmproxy.protocol2.layer import Kill
-from libmproxy.protocol import KILL
+from libmproxy.protocol import KILL, Error
 
 from libmproxy.protocol.http import HTTPFlow
 from libmproxy.protocol.http_wrappers import HTTPResponse, HTTPRequest
+from libmproxy.proxy import Log
+from libmproxy.proxy.connection import ServerConnection
 from netlib import tcp
 from netlib.http import status_codes, http1, http2, HttpErrorConnClosed, HttpError
 from netlib.http.semantics import CONTENT_MISSING
@@ -509,3 +513,87 @@ class HttpLayer(Layer):
                     odict.ODictCaseless([[k,v] for k, v in self.config.authenticator.auth_challenge_headers().items()])
                 ))
                 raise InvalidCredentials("Proxy Authentication Required")
+
+
+class RequestReplayThread(threading.Thread):
+    name = "RequestReplayThread"
+
+    def __init__(self, config, flow, masterq, should_exit):
+        """
+            masterqueue can be a queue or None, if no scripthooks should be
+            processed.
+        """
+        self.config, self.flow = config, flow
+        if masterq:
+            self.channel = Channel(masterq, should_exit)
+        else:
+            self.channel = None
+        super(RequestReplayThread, self).__init__()
+
+    def run(self):
+        r = self.flow.request
+        form_out_backup = r.form_out
+        try:
+            self.flow.response = None
+
+            # If we have a channel, run script hooks.
+            if self.channel:
+                request_reply = self.channel.ask("request", self.flow)
+                if request_reply is None or request_reply == KILL:
+                    raise Kill()
+                elif isinstance(request_reply, HTTPResponse):
+                    self.flow.response = request_reply
+
+            if not self.flow.response:
+                # In all modes, we directly connect to the server displayed
+                if self.config.mode == "upstream":
+                    # FIXME
+                    server_address = self.config.mode.get_upstream_server(
+                        self.flow.client_conn
+                    )[2:]
+                    server = ServerConnection(server_address)
+                    server.connect()
+                    protocol = HTTP1Protocol(server)
+                    if r.scheme == "https":
+                        connect_request = make_connect_request((r.host, r.port))
+                        server.send(protocol.assemble(connect_request))
+                        server.establish_ssl(
+                            self.config.clientcerts,
+                            sni=self.flow.server_conn.sni
+                        )
+                        r.form_out = "relative"
+                    else:
+                        r.form_out = "absolute"
+                else:
+                    server_address = (r.host, r.port)
+                    server = ServerConnection(server_address)
+                    server.connect()
+                    protocol = HTTP1Protocol(server)
+                    if r.scheme == "https":
+                        server.establish_ssl(
+                            self.config.clientcerts,
+                            sni=self.flow.server_conn.sni
+                        )
+                    r.form_out = "relative"
+
+                server.send(protocol.assemble(r))
+                self.flow.server_conn = server
+                self.flow.response = HTTPResponse.from_protocol(
+                    protocol,
+                    r.method,
+                    body_size_limit=self.config.body_size_limit,
+                )
+            if self.channel:
+                response_reply = self.channel.ask("response", self.flow)
+                if response_reply is None or response_reply == KILL:
+                    raise Kill()
+        except (HttpError, tcp.NetLibError) as v:
+            self.flow.error = Error(repr(v))
+            if self.channel:
+                self.channel.ask("error", self.flow)
+        except Kill:
+            # KillSignal should only be raised if there's a channel in the
+            # first place.
+            self.channel.tell("log", Log("Connection killed", "info"))
+        finally:
+            r.form_out = form_out_backup