mitmproxy/libmproxy/console/__init__.py

1033 lines
34 KiB
Python

import mailcap, mimetypes, tempfile, os, subprocess, glob, time, shlex, stat
import os.path, sys, weakref, traceback
import urwid
from .. import controller, utils, flow, script
import flowlist, flowview, help, common, grideditor, palettes, contentview, flowdetailview
EVENTLOG_SIZE = 500
class Stop(Exception): pass
class _PathCompleter:
def __init__(self, _testing=False):
"""
_testing: disables reloading of the lookup table to make testing possible.
"""
self.lookup, self.offset = None, None
self.final = None
self._testing = _testing
def reset(self):
self.lookup = None
self.offset = -1
def complete(self, txt):
"""
Returns the next completion for txt, or None if there is no completion.
"""
path = os.path.expanduser(txt)
if not self.lookup:
if not self._testing:
# Lookup is a set of (display value, actual value) tuples.
self.lookup = []
if os.path.isdir(path):
files = glob.glob(os.path.join(path, "*"))
prefix = txt
else:
files = glob.glob(path+"*")
prefix = os.path.dirname(txt)
prefix = prefix or "./"
for f in files:
display = os.path.join(prefix, os.path.basename(f))
if os.path.isdir(f):
display += "/"
self.lookup.append((display, f))
if not self.lookup:
self.final = path
return path
self.lookup.sort()
self.offset = -1
self.lookup.append((txt, txt))
self.offset += 1
if self.offset >= len(self.lookup):
self.offset = 0
ret = self.lookup[self.offset]
self.final = ret[1]
return ret[0]
#begin nocover
class PathEdit(urwid.Edit, _PathCompleter):
def __init__(self, *args, **kwargs):
urwid.Edit.__init__(self, *args, **kwargs)
_PathCompleter.__init__(self)
def keypress(self, size, key):
if key == "tab":
comp = self.complete(self.get_edit_text())
self.set_edit_text(comp)
self.set_edit_pos(len(comp))
else:
self.reset()
return urwid.Edit.keypress(self, size, key)
class ActionBar(common.WWrap):
def __init__(self):
self.message("")
def selectable(self):
return True
def path_prompt(self, prompt, text):
self.expire = None
self.w = PathEdit(prompt, text)
def prompt(self, prompt, text = ""):
self.expire = None
# A (partial) workaround for this Urwid issue:
# https://github.com/Nic0/tyrs/issues/115
# We can remove it once veryone is beyond 1.0.1
if isinstance(prompt, basestring):
prompt = unicode(prompt)
self.w = urwid.Edit(prompt, text or "")
def message(self, message, expire=None):
self.expire = expire
self.w = urwid.Text(message)
class StatusBar(common.WWrap):
def __init__(self, master, helptext):
self.master, self.helptext = master, helptext
self.ab = ActionBar()
self.ib = common.WWrap(urwid.Text(""))
self.w = urwid.Pile([self.ib, self.ab])
def get_status(self):
r = []
if self.master.setheaders.count():
r.append("[")
r.append(("heading_key", "H"))
r.append("eaders]")
if self.master.replacehooks.count():
r.append("[")
r.append(("heading_key", "R"))
r.append("eplacing]")
if self.master.client_playback:
r.append("[")
r.append(("heading_key", "cplayback"))
r.append(":%s to go]"%self.master.client_playback.count())
if self.master.server_playback:
r.append("[")
r.append(("heading_key", "splayback"))
if self.master.nopop:
r.append(":%s in file]"%self.master.server_playback.count())
else:
r.append(":%s to go]"%self.master.server_playback.count())
if self.master.state.intercept_txt:
r.append("[")
r.append(("heading_key", "i"))
r.append(":%s]"%self.master.state.intercept_txt)
if self.master.state.limit_txt:
r.append("[")
r.append(("heading_key", "l"))
r.append(":%s]"%self.master.state.limit_txt)
if self.master.stickycookie_txt:
r.append("[")
r.append(("heading_key", "t"))
r.append(":%s]"%self.master.stickycookie_txt)
if self.master.stickyauth_txt:
r.append("[")
r.append(("heading_key", "u"))
r.append(":%s]"%self.master.stickyauth_txt)
if self.master.state.default_body_view.name != "Auto":
r.append("[")
r.append(("heading_key", "M"))
r.append(":%s]"%self.master.state.default_body_view.name)
opts = []
if self.master.anticache:
opts.append("anticache")
if self.master.anticomp:
opts.append("anticomp")
if self.master.showhost:
opts.append("showhost")
if not self.master.refresh_server_playback:
opts.append("norefresh")
if self.master.killextra:
opts.append("killextra")
if self.master.server.config.no_upstream_cert:
opts.append("no-upstream-cert")
if self.master.state.follow_focus:
opts.append("following")
if opts:
r.append("[%s]"%(":".join(opts)))
if self.master.server.config.upstream_server:
r.append("[dest:%s]"%utils.unparse_url(*self.master.server.config.upstream_server))
if self.master.scripts:
r.append("[scripts:%s]"%len(self.master.scripts))
if self.master.debug:
r.append("[lt:%0.3f]"%self.master.looptime)
if self.master.stream:
r.append("[W:%s]"%self.master.stream_path)
return r
def redraw(self):
if self.ab.expire and time.time() > self.ab.expire:
self.message("")
fc = self.master.state.flow_count()
if self.master.state.focus is None:
offset = 0
else:
offset = min(self.master.state.focus + 1, fc)
t = [
('heading', ("[%s/%s]"%(offset, fc)).ljust(9))
]
if self.master.server.bound:
boundaddr = "[%s:%s]"%(self.master.server.address.host or "*", self.master.server.address.port)
else:
boundaddr = ""
t.extend(self.get_status())
status = urwid.AttrWrap(urwid.Columns([
urwid.Text(t),
urwid.Text(
[
self.helptext,
boundaddr
],
align="right"
),
]), "heading")
self.ib.set_w(status)
def update(self, text):
self.helptext = text
self.redraw()
self.master.drawscreen()
def selectable(self):
return True
def get_edit_text(self):
return self.ab.w.get_edit_text()
def path_prompt(self, prompt, text):
return self.ab.path_prompt(prompt, text)
def prompt(self, prompt, text = ""):
self.ab.prompt(prompt, text)
def message(self, msg, expire=None):
if expire:
expire = time.time() + float(expire)/1000
self.ab.message(msg, expire)
self.master.drawscreen()
#end nocover
class ConsoleState(flow.State):
def __init__(self):
flow.State.__init__(self)
self.focus = None
self.follow_focus = None
self.default_body_view = contentview.get("Auto")
self.view_mode = common.VIEW_LIST
self.view_flow_mode = common.VIEW_FLOW_REQUEST
self.last_script = ""
self.last_saveload = ""
self.flowsettings = weakref.WeakKeyDictionary()
def add_flow_setting(self, flow, key, value):
d = self.flowsettings.setdefault(flow, {})
d[key] = value
def get_flow_setting(self, flow, key, default=None):
d = self.flowsettings.get(flow, {})
return d.get(key, default)
def add_request(self, req):
f = flow.State.add_request(self, req)
if self.focus is None:
self.set_focus(0)
elif self.follow_focus:
self.set_focus(len(self.view) - 1)
return f
def add_response(self, resp):
f = flow.State.add_response(self, resp)
if self.focus is None:
self.set_focus(0)
return f
def set_limit(self, limit):
ret = flow.State.set_limit(self, limit)
self.set_focus(self.focus)
return ret
def get_focus(self):
if not self.view or self.focus is None:
return None, None
return self.view[self.focus], self.focus
def set_focus(self, idx):
if self.view:
if idx >= len(self.view):
idx = len(self.view) - 1
elif idx < 0:
idx = 0
self.focus = idx
def set_focus_flow(self, f):
self.set_focus(self.view.index(f))
def get_from_pos(self, pos):
if len(self.view) <= pos or pos < 0:
return None, None
return self.view[pos], pos
def get_next(self, pos):
return self.get_from_pos(pos+1)
def get_prev(self, pos):
return self.get_from_pos(pos-1)
def delete_flow(self, f):
if f in self.view and self.view.index(f) <= self.focus:
self.focus -= 1
if self.focus < 0:
self.focus = None
ret = flow.State.delete_flow(self, f)
self.set_focus(self.focus)
return ret
class Options(object):
attributes = [
"app",
"app_domain",
"app_ip",
"anticache",
"anticomp",
"client_replay",
"debug",
"eventlog",
"keepserving",
"kill",
"intercept",
"no_server",
"refresh_server_playback",
"rfile",
"scripts",
"showhost",
"replacements",
"rheaders",
"setheaders",
"server_replay",
"stickycookie",
"stickyauth",
"verbosity",
"wfile",
"nopop",
"palette",
]
def __init__(self, **kwargs):
for k, v in kwargs.items():
setattr(self, k, v)
for i in self.attributes:
if not hasattr(self, i):
setattr(self, i, None)
#begin nocover
class ConsoleMaster(flow.FlowMaster):
palette = []
def __init__(self, server, options):
flow.FlowMaster.__init__(self, server, ConsoleState())
self.looptime = 0
self.stream_path = None
self.options = options
for i in options.replacements:
self.replacehooks.add(*i)
for i in options.setheaders:
self.setheaders.add(*i)
self.flow_list_walker = None
self.set_palette(options.palette)
r = self.set_intercept(options.intercept)
if r:
print >> sys.stderr, "Intercept error:", r
sys.exit(1)
r = self.set_stickycookie(options.stickycookie)
if r:
print >> sys.stderr, "Sticky cookies error:", r
sys.exit(1)
r = self.set_stickyauth(options.stickyauth)
if r:
print >> sys.stderr, "Sticky auth error:", r
sys.exit(1)
self.refresh_server_playback = options.refresh_server_playback
self.anticache = options.anticache
self.anticomp = options.anticomp
self.killextra = options.kill
self.rheaders = options.rheaders
self.nopop = options.nopop
self.showhost = options.showhost
self.eventlog = options.eventlog
self.eventlist = urwid.SimpleListWalker([])
if options.client_replay:
self.client_playback_path(options.client_replay)
if options.server_replay:
self.server_playback_path(options.server_replay)
self.debug = options.debug
if options.scripts:
for i in options.scripts:
err = self.load_script(i)
if err:
print >> sys.stderr, "Script load error:", err
sys.exit(1)
if options.wfile:
err = self.start_stream(options.wfile)
if err:
print >> sys.stderr, "Script load error:", err
sys.exit(1)
if options.app:
self.start_app(self.options.app_host, self.options.app_port, self.options.app_external)
def start_stream(self, path):
path = os.path.expanduser(path)
try:
f = file(path, "wb")
flow.FlowMaster.start_stream(self, f, None)
except IOError, v:
return str(v)
self.stream_path = path
def _run_script_method(self, method, s, f):
status, val = s.run(method, f)
if val:
if status:
self.add_event("Method %s return: %s"%(method, val))
else:
self.add_event("Method %s error: %s"%(method, val[1]))
def run_script_once(self, command, f):
if not command:
return
self.add_event("Running script on flow: %s"%command)
try:
s = script.Script(command, self)
except script.ScriptError, v:
self.statusbar.message("Error loading script.")
self.add_event("Error loading script:\n%s"%v.args[0])
return
if f.request:
self._run_script_method("request", s, f)
if f.response:
self._run_script_method("response", s, f)
if f.error:
self._run_script_method("error", s, f)
s.unload()
self.refresh_flow(f)
self.state.last_script = command
def set_script(self, command):
if not command:
return
ret = self.load_script(command)
if ret:
self.statusbar.message(ret)
self.state.last_script = command
def toggle_eventlog(self):
self.eventlog = not self.eventlog
self.view_flowlist()
def _readflow(self, path):
path = os.path.expanduser(path)
try:
f = file(path, "rb")
flows = list(flow.FlowReader(f).stream())
except (IOError, flow.FlowReadError), v:
return True, v.strerror
return False, flows
def client_playback_path(self, path):
err, ret = self._readflow(path)
if err:
self.statusbar.message(ret)
else:
self.start_client_playback(ret, False)
def server_playback_path(self, path):
err, ret = self._readflow(path)
if err:
self.statusbar.message(ret)
else:
self.start_server_playback(
ret,
self.killextra, self.rheaders,
False, self.nopop
)
def spawn_editor(self, data):
fd, name = tempfile.mkstemp('', "mproxy")
os.write(fd, data)
os.close(fd)
c = os.environ.get("EDITOR")
# if no EDITOR is set, assume 'vi'
if not c:
c = "vi"
cmd = shlex.split(c)
cmd.append(name)
self.ui.stop()
try:
subprocess.call(cmd)
except:
self.statusbar.message("Can't start editor: %s" % " ".join(c))
else:
data = open(name,"rb").read()
self.ui.start()
os.unlink(name)
return data
def spawn_external_viewer(self, data, contenttype):
if contenttype:
contenttype = contenttype.split(";")[0]
ext = mimetypes.guess_extension(contenttype) or ""
else:
ext = ""
fd, name = tempfile.mkstemp(ext, "mproxy")
os.write(fd, data)
os.close(fd)
# read-only to remind the user that this is a view function
os.chmod(name, stat.S_IREAD)
cmd = None
shell = False
if contenttype:
c = mailcap.getcaps()
cmd, _ = mailcap.findmatch(c, contenttype, filename=name)
if cmd:
shell = True
if not cmd:
# hm which one should get priority?
c = os.environ.get("PAGER") or os.environ.get("EDITOR")
if not c:
c = "less"
cmd = shlex.split(c)
cmd.append(name)
self.ui.stop()
try:
subprocess.call(cmd, shell=shell)
except:
self.statusbar.message("Can't start external viewer: %s" % " ".join(c))
self.ui.start()
os.unlink(name)
def set_palette(self, name):
self.palette = palettes.palettes[name]
def run(self):
self.ui = urwid.raw_display.Screen()
self.ui.set_terminal_properties(256)
self.ui.register_palette(self.palette)
self.flow_list_walker = flowlist.FlowListWalker(self, self.state)
self.view = None
self.statusbar = None
self.header = None
self.body = None
self.help_context = None
self.prompting = False
self.onekey = False
self.view_flowlist()
self.server.start_slave(controller.Slave, controller.Channel(self.masterq))
if self.options.rfile:
ret = self.load_flows(self.options.rfile)
if ret and self.state.flow_count():
self.add_event("File truncated or corrupted. Loaded as many flows as possible.")
elif not self.state.flow_count():
self.shutdown()
print >> sys.stderr, "Could not load file:", ret
sys.exit(1)
try:
self.ui.run_wrapper(self.loop)
except Exception:
print >> sys.stderr, traceback.format_exc()
print >> sys.stderr, "mitmproxy has crashed!"
print >> sys.stderr, "Please lodge a bug report at: https://github.com/mitmproxy/mitmproxy"
print >> sys.stderr, "Shutting down..."
sys.stderr.flush()
self.shutdown()
def make_view(self):
self.view = urwid.Frame(
self.body,
header = self.header,
footer = self.statusbar
)
self.view.set_focus("body")
def view_help(self):
h = help.HelpView(self, self.help_context, (self.statusbar, self.body, self.header))
self.statusbar = StatusBar(self, help.footer)
self.body = h
self.header = None
self.make_view()
def view_flowdetails(self, flow):
h = flowdetailview.FlowDetailsView(self, flow, (self.statusbar, self.body, self.header))
self.statusbar = StatusBar(self, flowdetailview.footer)
self.body = h
self.header = None
self.make_view()
def view_grideditor(self, ge):
self.body = ge
self.header = None
self.help_context = ge.make_help()
self.statusbar = StatusBar(self, grideditor.footer)
self.make_view()
def view_flowlist(self):
if self.ui.started:
self.ui.clear()
if self.state.follow_focus:
self.state.set_focus(self.state.flow_count())
if self.eventlog:
self.body = flowlist.BodyPile(self)
else:
self.body = flowlist.FlowListBox(self)
self.statusbar = StatusBar(self, flowlist.footer)
self.header = None
self.state.view_mode = common.VIEW_LIST
self.make_view()
self.help_context = flowlist.help_context
def view_flow(self, flow):
self.body = flowview.FlowView(self, self.state, flow)
self.header = flowview.FlowViewHeader(self, flow)
self.statusbar = StatusBar(self, flowview.footer)
self.state.set_focus_flow(flow)
self.state.view_mode = common.VIEW_FLOW
self.make_view()
self.help_context = flowview.help_context
def _write_flows(self, path, flows):
self.state.last_saveload = path
if not path:
return
path = os.path.expanduser(path)
try:
f = file(path, "wb")
fw = flow.FlowWriter(f)
for i in flows:
fw.add(i)
f.close()
except IOError, v:
self.statusbar.message(v.strerror)
def save_one_flow(self, path, flow):
return self._write_flows(path, [flow])
def save_flows(self, path):
return self._write_flows(path, self.state.view)
def load_flows_callback(self, path):
if not path:
return
ret = self.load_flows(path)
return ret or "Flows loaded from %s"%path
def load_flows(self, path):
self.state.last_saveload = path
path = os.path.expanduser(path)
try:
f = file(path, "rb")
fr = flow.FlowReader(f)
except IOError, v:
return v.strerror
reterr = None
try:
flow.FlowMaster.load_flows(self, fr)
except flow.FlowReadError, v:
reterr = v.strerror
f.close()
if self.flow_list_walker:
self.sync_list_view()
return reterr
def path_prompt(self, prompt, text, callback, *args):
self.statusbar.path_prompt(prompt, text)
self.view.set_focus("footer")
self.prompting = (callback, args)
def prompt(self, prompt, text, callback, *args):
self.statusbar.prompt(prompt, text)
self.view.set_focus("footer")
self.prompting = (callback, args)
def prompt_edit(self, prompt, text, callback):
self.statusbar.prompt(prompt + ": ", text)
self.view.set_focus("footer")
self.prompting = (callback, [])
def prompt_onekey(self, prompt, keys, callback, *args):
"""
Keys are a set of (word, key) tuples. The appropriate key in the
word is highlighted.
"""
prompt = [prompt, " ("]
mkup = []
for i, e in enumerate(keys):
mkup.extend(common.highlight_key(e[0], e[1]))
if i < len(keys)-1:
mkup.append(",")
prompt.extend(mkup)
prompt.append(")? ")
self.onekey = "".join(i[1] for i in keys)
self.prompt(prompt, "", callback, *args)
def prompt_done(self):
self.prompting = False
self.onekey = False
self.view.set_focus("body")
self.statusbar.message("")
def prompt_execute(self, txt=None):
if not txt:
txt = self.statusbar.get_edit_text()
p, args = self.prompting
self.prompt_done()
msg = p(txt, *args)
if msg:
self.statusbar.message(msg, 1000)
def prompt_cancel(self):
self.prompt_done()
def accept_all(self):
self.state.accept_all()
def set_limit(self, txt):
v = self.state.set_limit(txt)
self.sync_list_view()
return v
def set_intercept(self, txt):
return self.state.set_intercept(txt)
def change_default_display_mode(self, t):
v = contentview.get_by_shortcut(t)
self.state.default_body_view = v
self.refresh_focus()
def drawscreen(self):
size = self.ui.get_cols_rows()
canvas = self.view.render(size, focus=1)
self.ui.draw_screen(size, canvas)
return size
def pop_view(self):
if self.state.view_mode == common.VIEW_FLOW:
self.view_flow(self.state.view[self.state.focus])
else:
self.view_flowlist()
def edit_scripts(self, *args, **kwargs):
pass
def loop(self):
changed = True
try:
while not controller.should_exit:
startloop = time.time()
if changed:
self.statusbar.redraw()
size = self.drawscreen()
changed = self.tick(self.masterq)
self.ui.set_input_timeouts(max_wait=0.1)
keys = self.ui.get_input()
if keys:
changed = True
for k in keys:
if self.prompting:
if k == "esc":
self.prompt_cancel()
elif self.onekey:
if k == "enter":
self.prompt_cancel()
elif k in self.onekey:
self.prompt_execute(k)
elif k == "enter":
self.prompt_execute()
else:
self.view.keypress(size, k)
else:
k = self.view.keypress(size, k)
if k:
self.statusbar.message("")
if k == "?":
self.view_help()
elif k == "c":
if not self.client_playback:
self.path_prompt(
"Client replay: ",
self.state.last_saveload,
self.client_playback_path
)
else:
self.prompt_onekey(
"Stop current client replay?",
(
("yes", "y"),
("no", "n"),
),
self.stop_client_playback_prompt,
)
elif k == "H":
self.view_grideditor(
grideditor.SetHeadersEditor(
self,
self.setheaders.get_specs(),
self.setheaders.set
)
)
elif k == "i":
self.prompt(
"Intercept filter: ",
self.state.intercept_txt,
self.set_intercept
)
elif k == "Q":
raise Stop
elif k == "q":
self.prompt_onekey(
"Quit",
(
("yes", "y"),
("no", "n"),
),
self.quit,
)
elif k == "M":
self.prompt_onekey(
"Global default display mode",
contentview.view_prompts,
self.change_default_display_mode
)
elif k == "R":
self.view_grideditor(
grideditor.ReplaceEditor(
self,
self.replacehooks.get_specs(),
self.replacehooks.set
)
)
elif k == "s":
self.view_grideditor(
grideditor.ScriptEditor(
self,
[[i.argv[0]] for i in self.scripts],
self.edit_scripts
)
)
#if self.scripts:
# self.load_script(None)
#else:
# self.path_prompt(
# "Set script: ",
# self.state.last_script,
# self.set_script
# )
elif k == "S":
if not self.server_playback:
self.path_prompt(
"Server replay path: ",
self.state.last_saveload,
self.server_playback_path
)
else:
self.prompt_onekey(
"Stop current server replay?",
(
("yes", "y"),
("no", "n"),
),
self.stop_server_playback_prompt,
)
elif k == "o":
self.prompt_onekey(
"Options",
(
("anticache", "a"),
("anticomp", "c"),
("showhost", "h"),
("killextra", "k"),
("norefresh", "n"),
("no-upstream-certs", "u"),
),
self._change_options
)
elif k == "t":
self.prompt(
"Sticky cookie filter: ",
self.stickycookie_txt,
self.set_stickycookie
)
elif k == "u":
self.prompt(
"Sticky auth filter: ",
self.stickyauth_txt,
self.set_stickyauth
)
self.looptime = time.time() - startloop
except (Stop, KeyboardInterrupt):
pass
def stop_client_playback_prompt(self, a):
if a != "n":
self.stop_client_playback()
def stop_server_playback_prompt(self, a):
if a != "n":
self.stop_server_playback()
def quit(self, a):
if a != "n":
raise Stop
def _change_options(self, a):
if a == "a":
self.anticache = not self.anticache
if a == "c":
self.anticomp = not self.anticomp
if a == "h":
self.showhost = not self.showhost
self.sync_list_view()
self.refresh_focus()
elif a == "k":
self.killextra = not self.killextra
elif a == "n":
self.refresh_server_playback = not self.refresh_server_playback
elif a == "u":
self.server.config.no_upstream_cert = not self.server.config.no_upstream_cert
def shutdown(self):
self.state.killall(self)
flow.FlowMaster.shutdown(self)
def sync_list_view(self):
self.flow_list_walker._modified()
def clear_flows(self):
self.state.clear()
self.sync_list_view()
def toggle_follow_flows(self):
# toggle flow follow
self.state.follow_focus = not self.state.follow_focus
# jump to most recent flow if follow is now on
if self.state.follow_focus:
self.state.set_focus(self.state.flow_count())
self.sync_list_view()
def delete_flow(self, f):
self.state.delete_flow(f)
self.sync_list_view()
def refresh_focus(self):
if self.state.view:
self.refresh_flow(self.state.view[self.state.focus])
def refresh_flow(self, c):
if hasattr(self.header, "refresh_flow"):
self.header.refresh_flow(c)
if hasattr(self.body, "refresh_flow"):
self.body.refresh_flow(c)
if hasattr(self.statusbar, "refresh_flow"):
self.statusbar.refresh_flow(c)
def process_flow(self, f, r):
if self.state.intercept and f.match(self.state.intercept) and not f.request.is_replay:
f.intercept()
else:
r.reply()
self.sync_list_view()
self.refresh_flow(f)
def clear_events(self):
self.eventlist[:] = []
def add_event(self, e, level="info"):
if level == "info":
e = urwid.Text(str(e))
elif level == "error":
e = urwid.Text(("error", str(e)))
self.eventlist.append(e)
if len(self.eventlist) > EVENTLOG_SIZE:
self.eventlist.pop(0)
self.eventlist.set_focus(len(self.eventlist)-1)
# Handlers
def handle_log(self, l):
self.add_event(l.msg)
l.reply()
def handle_error(self, r):
f = flow.FlowMaster.handle_error(self, r)
if f:
self.process_flow(f, r)
return f
def handle_request(self, r):
f = flow.FlowMaster.handle_request(self, r)
if f:
self.process_flow(f, r)
return f
def handle_response(self, r):
f = flow.FlowMaster.handle_response(self, r)
if f:
self.process_flow(f, r)
return f