# Copyright (C) 2012 Aldo Cortesi
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import urwid
import common
def _mkhelp():
text = []
keys = [
("A", "accept all intercepted flows"),
("a", "accept this intercepted flows"),
("C", "clear flow list or eventlog"),
("d", "delete flow"),
("D", "duplicate flow"),
("e", "toggle eventlog"),
("l", "set limit filter pattern"),
("L", "load saved flows"),
("r", "replay request"),
("V", "revert changes to request"),
("w", "save all flows matching current limit"),
("W", "save this flow"),
("X", "kill and delete flow, even if it's mid-intercept"),
("tab", "tab between eventlog and flow list"),
("enter", "view flow"),
("|", "run script on this flow"),
]
text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
return text
help_context = _mkhelp()
footer = [
('heading_key', "?"), ":help ",
]
class EventListBox(urwid.ListBox):
def __init__(self, master):
self.master = master
urwid.ListBox.__init__(self, master.eventlist)
def keypress(self, size, key):
key = common.shortcuts(key)
if key == "C":
self.master.clear_events()
key = None
return urwid.ListBox.keypress(self, size, key)
class BodyPile(urwid.Pile):
def __init__(self, master):
h = urwid.Text("Event log")
h = urwid.Padding(h, align="left", width=("relative", 100))
self.inactive_header = urwid.AttrWrap(h, "heading_inactive")
self.active_header = urwid.AttrWrap(h, "heading")
urwid.Pile.__init__(
self,
[
FlowListBox(master),
urwid.Frame(EventListBox(master), header = self.inactive_header)
]
)
self.master = master
self.focus = 0
def keypress(self, size, key):
if key == "tab":
self.focus = (self.focus + 1)%len(self.widget_list)
self.set_focus(self.focus)
if self.focus == 1:
self.widget_list[1].header = self.active_header
else:
self.widget_list[1].header = self.inactive_header
key = None
elif key == "v":
self.master.toggle_eventlog()
key = None
# This is essentially a copypasta from urwid.Pile's keypress handler.
# So much for "closed for modification, but open for extension".
item_rows = None
if len(size)==2:
item_rows = self.get_item_rows( size, focus=True )
i = self.widget_list.index(self.focus_item)
tsize = self.get_item_size(size,i,True,item_rows)
return self.focus_item.keypress( tsize, key )
class ConnectionItem(common.WWrap):
def __init__(self, master, state, flow, focus):
self.master, self.state, self.flow = master, state, flow
self.focus = focus
w = self.get_text()
common.WWrap.__init__(self, w)
def get_text(self):
return common.format_flow(self.flow, self.focus)
def selectable(self):
return True
def keypress(self, (maxcol,), key):
key = common.shortcuts(key)
if key == "a":
self.flow.accept_intercept()
self.master.sync_list_view()
elif key == "d":
self.flow.kill(self.master)
self.state.delete_flow(self.flow)
self.master.sync_list_view()
elif key == "D":
f = self.master.duplicate_flow(self.flow)
self.master.currentflow = f
self.master.focus_current()
elif key == "r":
self.flow.backup()
r = self.master.replay_request(self.flow)
if r:
self.master.statusbar.message(r)
self.master.sync_list_view()
elif key == "V":
if not self.flow.modified():
self.master.statusbar.message("Flow not modified.")
return
self.state.revert(self.flow)
self.master.sync_list_view()
self.master.statusbar.message("Reverted.")
elif key == "w":
self.master.path_prompt(
"Save flows: ",
self.state.last_saveload,
self.master.save_flows
)
elif key == "W":
self.master.path_prompt(
"Save this flow: ",
self.state.last_saveload,
self.master.save_one_flow,
self.flow
)
elif key == "X":
self.flow.kill(self.master)
elif key == "enter":
if self.flow.request:
self.master.view_flow(self.flow)
elif key == "|":
self.master.path_prompt(
"Send flow to script: ",
self.state.last_script,
self.master.run_script_once,
self.flow
)
else:
return key
class FlowListWalker(urwid.ListWalker):
def __init__(self, master, state):
self.master, self.state = master, state
if self.state.flow_count():
self.set_focus(0)
def get_focus(self):
f, i = self.state.get_focus()
f = ConnectionItem(self.master, self.state, f, True) if f else None
return f, i
def set_focus(self, focus):
ret = self.state.set_focus(focus)
return ret
def get_next(self, pos):
f, i = self.state.get_next(pos)
f = ConnectionItem(self.master, self.state, f, False) if f else None
return f, i
def get_prev(self, pos):
f, i = self.state.get_prev(pos)
f = ConnectionItem(self.master, self.state, f, False) if f else None
return f, i
class FlowListBox(urwid.ListBox):
def __init__(self, master):
self.master = master
urwid.ListBox.__init__(self, master.flow_list_walker)
def keypress(self, size, key):
key = common.shortcuts(key)
if key == "A":
self.master.accept_all()
self.master.sync_list_view()
elif key == "C":
self.master.clear_flows()
elif key == "e":
self.master.toggle_eventlog()
elif key == "l":
self.master.prompt("Limit: ", self.master.state.limit_txt, self.master.set_limit)
elif key == "L":
self.master.path_prompt(
"Load flows: ",
self.master.state.last_saveload,
self.master.load_flows_callback
)
else:
return urwid.ListBox.keypress(self, size, key)