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author | Maximilian Hils <git@maximilianhils.com> | 2014-02-04 05:02:17 +0100 |
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committer | Maximilian Hils <git@maximilianhils.com> | 2014-02-04 05:02:17 +0100 |
commit | 6a53ae5fd37b516074f9bf46cffab015f6626b9e (patch) | |
tree | 4f20e3b51496900586ad11cd89094c6235facc8f /libmproxy | |
parent | f6253a80fff2ed3a6f7846e866469c8776f1254d (diff) | |
download | mitmproxy-6a53ae5fd37b516074f9bf46cffab015f6626b9e.tar.gz mitmproxy-6a53ae5fd37b516074f9bf46cffab015f6626b9e.tar.bz2 mitmproxy-6a53ae5fd37b516074f9bf46cffab015f6626b9e.zip |
push failing tests down to 43
Diffstat (limited to 'libmproxy')
-rw-r--r-- | libmproxy/flow.py | 137 | ||||
-rw-r--r-- | libmproxy/protocol/http.py | 17 | ||||
-rw-r--r-- | libmproxy/protocol/primitives.py | 124 | ||||
-rw-r--r-- | libmproxy/proxy.py | 42 |
4 files changed, 165 insertions, 155 deletions
diff --git a/libmproxy/flow.py b/libmproxy/flow.py index b4b939c7..b1971469 100644 --- a/libmproxy/flow.py +++ b/libmproxy/flow.py @@ -5,137 +5,20 @@ import hashlib, Cookie, cookielib, copy, re, urlparse, threading import time, urllib import types -import tnetstring, filt, script, utils, encoding, proxy +import tnetstring, filt, script, utils, encoding from email.utils import parsedate_tz, formatdate, mktime_tz from netlib import odict, http, certutils, wsgi from .proxy import ClientConnection, ServerConnection import controller, version, protocol, stateobject import app - - -HDR_FORM_URLENCODED = "application/x-www-form-urlencoded" -CONTENT_MISSING = 0 +from .protocol import KILL +from .protocol.http import HTTPResponse, CONTENT_MISSING +from .proxy import RequestReplayThread ODict = odict.ODict ODictCaseless = odict.ODictCaseless -class BackreferenceMixin(object): - """ - If an attribute from the _backrefattr tuple is set, - this mixin sets a reference back on the attribute object. - Example: - e = Error() - f = Flow() - f.error = e - assert f is e.flow - """ - _backrefattr = tuple() - - def __setattr__(self, key, value): - super(BackreferenceMixin, self).__setattr__(key, value) - if key in self._backrefattr and value is not None: - setattr(value, self._backrefname, self) - - -class Error(stateobject.SimpleStateObject): - """ - An Error. - - This is distinct from an HTTP error response (say, a code 500), which - is represented by a normal Response object. This class is responsible - for indicating errors that fall outside of normal HTTP communications, - like interrupted connections, timeouts, protocol errors. - - Exposes the following attributes: - - flow: Flow object - msg: Message describing the error - timestamp: Seconds since the epoch - """ - def __init__(self, msg, timestamp=None): - """ - @type msg: str - @type timestamp: float - """ - self.msg = msg - self.timestamp = timestamp or utils.timestamp() - - _stateobject_attributes = dict( - msg=str, - timestamp=float - ) - - @classmethod - def _from_state(cls, state): - f = cls(None) # the default implementation assumes an empty constructor. Override accordingly. - f._load_state(state) - return f - - def copy(self): - c = copy.copy(self) - return c - - -class Flow(stateobject.SimpleStateObject, BackreferenceMixin): - def __init__(self, conntype, client_conn, server_conn): - self.conntype = conntype - self.client_conn = client_conn - self.server_conn = server_conn - self.error = None - - _backrefattr = ("error",) - _backrefname = "flow" - - _stateobject_attributes = dict( - error=Error, - client_conn=ClientConnection, - server_conn=ServerConnection, - conntype=str - ) - - def _get_state(self): - d = super(Flow, self)._get_state() - d.update(version=version.IVERSION) - return d - - @classmethod - def _from_state(cls, state): - f = cls(None, None, None) - f._load_state(state) - return f - - def copy(self): - f = copy.copy(self) - if self.error: - f.error = self.error.copy() - return f - - def modified(self): - """ - Has this Flow been modified? - """ - if self._backup: - return self._backup != self._get_state() - else: - return False - - def backup(self, force=False): - """ - Save a backup of this Flow, which can be reverted to using a - call to .revert(). - """ - if not self._backup: - self._backup = self._get_state() - - def revert(self): - """ - Revert to the last backed up state. - """ - if self._backup: - self._load_state(self._backup) - self._backup = None - class AppRegistry: def __init__(self): @@ -660,10 +543,8 @@ class FlowMaster(controller.Master): rflow = self.server_playback.next_flow(flow) if not rflow: return None - # FIXME - response = Response._from_state(flow.request, rflow.response._get_state()) - response._set_replay() - flow.response = response + response = HTTPResponse._from_state(rflow.response._get_state()) + response.is_replay = True if self.refresh_server_playback: response.refresh() flow.request.reply(response) @@ -742,13 +623,13 @@ class FlowMaster(controller.Master): if f.request.content == CONTENT_MISSING: return "Can't replay request with missing content..." if f.request: - f.request._set_replay() + f.request.is_replay = True if f.request.content: f.request.headers["Content-Length"] = [str(len(f.request.content))] f.response = None f.error = None self.process_new_request(f) - rt = proxy.RequestReplayThread( + rt = RequestReplayThread( self.server.config, f, self.masterq, @@ -791,7 +672,7 @@ class FlowMaster(controller.Master): err = app.serve(r, r.wfile, **{"mitmproxy.master": self}) if err: self.add_event("Error in wsgi app. %s"%err, "error") - r.reply(proxy.KILL) + r.reply(KILL) return f = self.state.add_request(r) self.replacehooks.run(f) diff --git a/libmproxy/protocol/http.py b/libmproxy/protocol/http.py index 8c44461e..be60f374 100644 --- a/libmproxy/protocol/http.py +++ b/libmproxy/protocol/http.py @@ -6,7 +6,7 @@ from netlib.odict import ODict, ODictCaseless from . import ProtocolHandler, ConnectionTypeChange, KILL from .. import encoding, utils, version, filt, controller, stateobject from ..proxy import ProxyError, AddressPriority -from ..flow import Flow, Error +from .primitives import Flow, Error HDR_FORM_URLENCODED = "application/x-www-form-urlencoded" @@ -340,7 +340,7 @@ class HTTPRequest(HTTPMessage): Raises an Exception if the request cannot be assembled. """ if self.content == CONTENT_MISSING: - raise RuntimeError("Cannot assemble flow with CONTENT_MISSING") + raise ProxyError(502, "Cannot assemble flow with CONTENT_MISSING") head = self._assemble_head(form) if self.content: return head + self.content @@ -444,6 +444,8 @@ class HTTPRequest(HTTPMessage): If hostheader is True, we use the value specified in the request Host header to construct the URL. """ + raise NotImplementedError + # FIXME: Take server_conn into account. host = None if hostheader: host = self.headers.get_first("host") @@ -462,6 +464,8 @@ class HTTPRequest(HTTPMessage): Returns False if the URL was invalid, True if the request succeeded. """ + raise NotImplementedError + # FIXME: Needs to update server_conn as well. parts = http.parse_url(url) if not parts: return False @@ -595,7 +599,7 @@ class HTTPResponse(HTTPMessage): Raises an Exception if the request cannot be assembled. """ if self.content == CONTENT_MISSING: - raise RuntimeError("Cannot assemble flow with CONTENT_MISSING") + raise ProxyError(502, "Cannot assemble flow with CONTENT_MISSING") head = self._assemble_head() if self.content: return head + self.content @@ -711,7 +715,7 @@ class HTTPFlow(Flow): if self.request: f.request = self.request.copy() if self.response: - f.response = self.request.copy() + f.response = self.response.copy() return f def match(self, f): @@ -795,8 +799,7 @@ class HTTPHandler(ProtocolHandler): for i in range(2): try: - self.c.server_conn.wfile.write(request_raw) - self.c.server_conn.wfile.flush() + self.c.server_conn.send(request_raw) return HTTPResponse.from_stream(self.c.server_conn.rfile, request.method, body_size_limit=self.c.config.body_size_limit) except (tcp.NetLibDisconnect, http.HttpErrorConnClosed), v: @@ -821,6 +824,7 @@ class HTTPHandler(ProtocolHandler): flow.request = HTTPRequest.from_stream(self.c.client_conn.rfile, body_size_limit=self.c.config.body_size_limit) self.c.log("request", [flow.request._assemble_first_line(flow.request.form_in)]) + self.process_request(flow.request) request_reply = self.c.channel.ask("request" if LEGACY else "httprequest", flow.request if LEGACY else flow) @@ -830,7 +834,6 @@ class HTTPHandler(ProtocolHandler): if isinstance(request_reply, HTTPResponse): flow.response = request_reply else: - self.process_request(flow.request) self.c.establish_server_connection() flow.response = self.get_response_from_server(flow.request) diff --git a/libmproxy/protocol/primitives.py b/libmproxy/protocol/primitives.py new file mode 100644 index 00000000..f77e097b --- /dev/null +++ b/libmproxy/protocol/primitives.py @@ -0,0 +1,124 @@ +from .. import stateobject, utils, version +from ..proxy import ServerConnection, ClientConnection +import copy + + +class _BackreferenceMixin(object): + """ + If an attribute from the _backrefattr tuple is set, + this mixin sets a reference back on the attribute object. + Example: + e = Error() + f = Flow() + f.error = e + assert f is e.flow + """ + _backrefattr = tuple() + + def __setattr__(self, key, value): + super(_BackreferenceMixin, self).__setattr__(key, value) + if key in self._backrefattr and value is not None: + setattr(value, self._backrefname, self) + + +class Error(stateobject.SimpleStateObject): + """ + An Error. + + This is distinct from an HTTP error response (say, a code 500), which + is represented by a normal Response object. This class is responsible + for indicating errors that fall outside of normal HTTP communications, + like interrupted connections, timeouts, protocol errors. + + Exposes the following attributes: + + flow: Flow object + msg: Message describing the error + timestamp: Seconds since the epoch + """ + def __init__(self, msg, timestamp=None): + """ + @type msg: str + @type timestamp: float + """ + self.msg = msg + self.timestamp = timestamp or utils.timestamp() + + _stateobject_attributes = dict( + msg=str, + timestamp=float + ) + + @classmethod + def _from_state(cls, state): + f = cls(None) # the default implementation assumes an empty constructor. Override accordingly. + f._load_state(state) + return f + + def copy(self): + c = copy.copy(self) + return c + + +class Flow(stateobject.SimpleStateObject, _BackreferenceMixin): + def __init__(self, conntype, client_conn, server_conn): + self.conntype = conntype + self.client_conn = client_conn + self.server_conn = server_conn + self.error = None + + _backrefattr = ("error",) + _backrefname = "flow" + + _stateobject_attributes = dict( + error=Error, + client_conn=ClientConnection, + server_conn=ServerConnection, + conntype=str + ) + + def _get_state(self): + d = super(Flow, self)._get_state() + d.update(version=version.IVERSION) + return d + + @classmethod + def _from_state(cls, state): + f = cls(None, None, None) + f._load_state(state) + return f + + def copy(self): + f = copy.copy(self) + + f.client_conn = self.client_conn.copy() + f.server_conn = self.server_conn.copy() + + if self.error: + f.error = self.error.copy() + return f + + def modified(self): + """ + Has this Flow been modified? + """ + if self._backup: + return self._backup != self._get_state() + else: + return False + + def backup(self, force=False): + """ + Save a backup of this Flow, which can be reverted to using a + call to .revert(). + """ + if not self._backup: + self._backup = self._get_state() + + def revert(self): + """ + Revert to the last backed up state. + """ + if self._backup: + self._load_state(self._backup) + self._backup = None
\ No newline at end of file diff --git a/libmproxy/proxy.py b/libmproxy/proxy.py index 4842a81f..feff2259 100644 --- a/libmproxy/proxy.py +++ b/libmproxy/proxy.py @@ -1,9 +1,8 @@ -import os, socket, time, threading +import os, socket, time, threading, copy from OpenSSL import SSL from netlib import tcp, http, certutils, http_auth import utils, version, platform, controller, stateobject - TRANSPARENT_SSL_PORTS = [443, 8443] @@ -82,6 +81,9 @@ class ClientConnection(tcp.BaseHandler, stateobject.SimpleStateObject): self.address = tcp.Address(**state["address"]) if state["address"] else None self.clientcert = certutils.SSLCert.from_pem(state["clientcert"]) if state["clientcert"] else None + def copy(self): + return copy.copy(self) + @classmethod def _from_state(cls, state): f = cls(None, None, None) @@ -115,7 +117,9 @@ class ServerConnection(tcp.TCPClient, stateobject.SimpleStateObject): timestamp_ssl_setup=float, address=tcp.Address, source_address=tcp.Address, - cert=certutils.SSLCert + cert=certutils.SSLCert, + ssl_established=bool, + sni=str ) def _get_state(self): @@ -141,6 +145,9 @@ class ServerConnection(tcp.TCPClient, stateobject.SimpleStateObject): f._load_state(state) return f + def copy(self): + return copy.copy(self) + def connect(self): self.timestamp_start = utils.timestamp() tcp.TCPClient.connect(self) @@ -167,8 +174,10 @@ class ServerConnection(tcp.TCPClient, stateobject.SimpleStateObject): tcp.TCPClient.finish(self) self.timestamp_end = utils.timestamp() +from . import protocol +from .protocol.http import HTTPResponse + -""" class RequestReplayThread(threading.Thread): def __init__(self, config, flow, masterq): self.config, self.flow, self.channel = config, flow, controller.Channel(masterq) @@ -177,24 +186,17 @@ class RequestReplayThread(threading.Thread): def run(self): try: r = self.flow.request - server = ServerConnection(self.config, r.scheme, r.host, r.port, r.host) + server = ServerConnection(self.flow.server_conn.address()) server.connect() - server.send(r) - httpversion, code, msg, headers, content = http.read_response( - server.rfile, r.method, self.config.body_size_limit - ) - response = flow.Response( - self.flow.request, httpversion, code, msg, headers, content, server.cert, - server.rfile.first_byte_timestamp - ) - self.channel.ask("response", response) + if self.flow.server_conn.ssl_established: + server.establish_ssl(self.config.clientcerts, + self.flow.server_conn.sni) + server.send(r._assemble()) + self.flow.response = HTTPResponse.from_stream(server.rfile, r.method, body_size_limit=self.config.body_size_limit) + self.channel.ask("response", self.flow.response) except (ProxyError, http.HttpError, tcp.NetLibError), v: - err = flow.Error(str(v)) - self.channel.ask("error", err) -""" - - -import protocol + self.flow.error = protocol.primitives.Error(str(v)) + self.channel.ask("error", self.flow.error) class ConnectionHandler: def __init__(self, config, client_connection, client_address, server, channel, server_version): |