# Copyright (C) 2010 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 . import Queue, mailcap, mimetypes, tempfile, os, subprocess, glob, time import os.path, sys import cStringIO import urwid.curses_display import urwid import controller, utils, filt, proxy, flow import recorder class Stop(Exception): pass def format_keyvals(lst, key="key", val="text", space=5, indent=0): ret = [] if lst: pad = max(len(i[0]) for i in lst if i) + space for i in lst: if i is None: ret.extend("\n") else: ret.extend( [ " "*indent, (key, i[0]), " "*(pad-len(i[0])), (val, i[1]), "\n" ] ) return ret def format_flow(f, focus, extended=False, padding=3): if not f.request and not f.response: txt = [ ("title", " Connection from %s..."%(f.client_conn.address[0])), ] else: if extended: ts = ("highlight", utils.format_timestamp(f.request.timestamp)) else: ts = "" txt = [ ts, ("ack", "!") if f.intercepting and not f.request.acked else " ", ("method", f.request.method), " ", ( "text" if (f.response or f.error) else "title", f.request.url(), ), ] if f.response or f.error or f.is_replay(): tsr = f.response or f.error if extended and tsr: ts = ("highlight", utils.format_timestamp(tsr.timestamp)) else: ts = "" txt.append("\n") txt.append(("text", ts)) txt.append(" "*(padding+2)) met = "" if f.is_replay(): txt.append(("method", "[replay] ")) elif f.modified(): txt.append(("method", "[edited] ")) if not (f.response or f.error): txt.append(("text", "waiting for response...")) if f.response: txt.append( ("ack", "!") if f.intercepting and not f.response.acked else " " ) txt.append("<- ") if f.response.code in [200, 304]: txt.append(("goodcode", str(f.response.code))) else: txt.append(("error", str(f.response.code))) t = f.response.headers.get("content-type") if t: t = t[0].split(";")[0] txt.append(("text", " %s"%t)) if f.response.content: txt.append(", %s"%utils.pretty_size(len(f.response.content))) elif f.error: txt.append( ("error", f.error.msg) ) if focus: txt.insert(0, ("focus", ">>" + " "*(padding-2))) else: txt.insert(0, " "*padding) return txt #begin nocover def int_version(v): SIG = 3 v = urwid.__version__.split(".") x = 0 for i in range(min(SIG, len(v))): x += int(v[i]) * 10**(SIG-i) return x # We have to do this to be portable over 0.9.8 and 0.9.9 If compatibility # becomes a pain to maintain, we'll just mandate 0.9.9 or newer. class WWrap(urwid.WidgetWrap): if int_version(urwid.__version__) >= 990: def set_w(self, x): self._w = x def get_w(self): return self._w w = property(get_w, set_w) class ConnectionItem(WWrap): def __init__(self, master, state, flow, focus): self.master, self.state, self.flow = master, state, flow self.focus = focus w = self.get_text() WWrap.__init__(self, w) def intercept(self): self.intercepting = True self.w = self.get_text() def get_text(self): return urwid.Text(format_flow(self.flow, self.focus)) def selectable(self): return True def keypress(self, (maxcol,), key): if key == "a": self.flow.accept_intercept() self.master.sync_list_view() elif key == "A": self.master.accept_all() self.master.sync_list_view() elif key == "C": self.master.clear_connections() elif key == "d": if not self.state.delete_flow(self.flow): self.master.statusbar.message("Can't delete connection mid-intercept.") self.master.sync_list_view() elif key == "r": r = self.state.replay(self.flow, self.master.masterq) if r: self.master.statusbar.message(r) self.master.sync_list_view() elif key == "R": self.state.revert(self.flow) self.master.sync_list_view() elif key == "s": self.master.prompt("Save this flow: ", self.master.save_one_flow, self.flow) elif key == "z": self.master.kill_connection(self.flow) elif key == "enter": if self.flow.request: self.master.view_flow(self.flow) elif key == " ": key = "page down" return key class ConnectionListView(urwid.ListWalker): def __init__(self, master, state): self.master, self.state = master, state if self.state.flow_list: 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) self._modified() 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 ConnectionViewHeader(WWrap): def __init__(self, master, f): self.master, self.flow = master, f self.w = urwid.Text(format_flow(f, False, extended=True, padding=0)) def refresh_connection(self, f): if f == self.flow: self.w = urwid.Text(format_flow(f, False, extended=True, padding=0)) VIEW_BODY_RAW = 0 VIEW_BODY_BINARY = 1 VIEW_BODY_INDENT = 2 VIEW_FLOW_REQUEST = 0 VIEW_FLOW_RESPONSE = 1 class ConnectionView(WWrap): REQ = 0 RESP = 1 tabs = ["Request", "Response"] methods = [ ("get", "g"), ("post", "p"), ("put", "u"), ("head", "h"), ("trace", "t"), ("delete", "d"), ("options", "o"), ] def __init__(self, master, state, flow): self.master, self.state, self.flow = master, state, flow if self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.view_request() else: self.view_response() def _tab(self, content, active): if active: attr = "heading" else: attr = "inactive" p = urwid.Text(content) p = urwid.Padding(p, align="left", width=("relative", 100)) p = urwid.AttrWrap(p, attr) return p def wrap_body(self, active, body): parts = [] if self.flow.intercepting and not self.flow.request.acked: qt = "Request (intercepted)" else: qt = "Request" if active == VIEW_FLOW_REQUEST: parts.append(self._tab(qt, True)) else: parts.append(self._tab(qt, False)) if self.flow.response: if self.flow.intercepting and not self.flow.response.acked: st = "Response (intercepted)" else: st = "Response" if active == VIEW_FLOW_RESPONSE: parts.append(self._tab(st, True)) else: parts.append(self._tab(st, False)) h = urwid.Columns(parts, dividechars=1) f = urwid.Frame( body, header=h ) return f def _view_normal(self, conn, txt): for i in conn.content.splitlines(): txt.append( ("text", i), ) txt.append( ("text", "\n"), ) def _view_binary(self, conn, txt): for offset, hex, s in utils.hexdump(conn.content): txt.extend([ ("offset", offset), " ", ("text", hex), " ", ("text", s), "\n" ]) def _view_pretty(self, conn, txt): for i in utils.pretty_xmlish(conn.content): txt.append( ("text", i), ) txt.append( ("text", "\n"), ) def _conn_text(self, conn): txt = [] txt.extend( format_keyvals( [(h+":", v) for (h, v) in sorted(conn.headers.itemPairs())], key = "header", val = "text" ) ) txt.append("\n\n") if conn.content: if self.state.view_body_mode == VIEW_BODY_BINARY: self._view_binary(conn, txt) elif self.state.view_body_mode == VIEW_BODY_INDENT: self.master.statusbar.update("Calculating pretty mode...") self._view_pretty(conn, txt) self.master.statusbar.update("") else: if utils.isBin(conn.content): self._view_binary(conn, txt) else: self._view_normal(conn, txt) return urwid.ListBox([urwid.Text(txt)]) def view_request(self): self.state.view_flow_mode = VIEW_FLOW_REQUEST body = self._conn_text(self.flow.request) self.w = self.wrap_body(VIEW_FLOW_REQUEST, body) def view_response(self): if self.flow.response: self.state.view_flow_mode = VIEW_FLOW_RESPONSE body = self._conn_text(self.flow.response) self.w = self.wrap_body(VIEW_FLOW_RESPONSE, body) def refresh_connection(self, c=None): if c == self.flow: if self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.view_request() else: self.view_response() 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 = [c, name] try: ret = subprocess.call(cmd) except: self.master.statusbar.message("Can't start editor: %s" % c) self.master.ui._curs_set(1) self.master.ui.clear() os.unlink(name) return data # Not sure why, unless we do this we get a visible cursor after # spawning 'less'. self.master.ui._curs_set(1) self.master.ui.clear() data = open(name).read() os.unlink(name) return data def edit_method(self, m): for i in self.methods: if i[1] == m: self.flow.request.method = i[0].upper() self.master.refresh_connection(self.flow) def save_body(self, path): if not path: return if self.state.view_flow_mode == VIEW_FLOW_REQUEST: c = self.flow.request else: c = self.flow.response path = os.path.expanduser(path) try: f = file(path, "wb") f.write(str(c.content)) f.close() except IOError, v: self.master.statusbar.message(v.strerror) def set_url(self, url): request = self.flow.request if not request.set_url(url): return "Invalid URL." self.master.refresh_connection(self.flow) def set_resp_code(self, code): response = self.flow.response response.code = code import BaseHTTPServer if BaseHTTPServer.BaseHTTPRequestHandler.responses.has_key(int(code)): response.msg = BaseHTTPServer.BaseHTTPRequestHandler.responses[int(code)][0] self.master.refresh_connection(self.flow) def set_resp_msg(self, msg): response = self.flow.response response.msg = msg self.master.refresh_connection(self.flow) def edit(self, part): if self.state.view_flow_mode == VIEW_FLOW_REQUEST: conn = self.flow.request else: conn = self.flow.response self.flow.backup() if part == "b": conn.content = self._spawn_editor(conn.content or "") elif part == "h": headertext = self._spawn_editor(repr(conn.headers)) headers = utils.Headers() fp = cStringIO.StringIO(headertext) headers.read(fp) conn.headers = headers elif part == "u" and self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.master.prompt_edit("URL", conn.url(), self.set_url) elif part == "m" and self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.master.prompt_onekey("Method", self.methods, self.edit_method) elif part == "c" and self.state.view_flow_mode == VIEW_FLOW_RESPONSE: self.master.prompt_edit("Code", conn.code, self.set_resp_code) elif part == "m" and self.state.view_flow_mode == VIEW_FLOW_RESPONSE: self.master.prompt_edit("Message", conn.msg, self.set_resp_msg) elif part == "r" and self.state.view_flow_mode == VIEW_FLOW_REQUEST: if not conn.acked: response = proxy.Response(conn, "200", "OK", utils.Headers(), "") conn.ack(response) self.view_response() self.master.refresh_connection(self.flow) def _changeview(self, v): if v == "r": self.state.view_body_mode = VIEW_BODY_RAW elif v == "h": self.state.view_body_mode = VIEW_BODY_BINARY elif v == "i": self.state.view_body_mode = VIEW_BODY_INDENT self.master.refresh_connection(self.flow) def keypress(self, size, key): if key == "tab": if self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.view_response() else: self.view_request() elif key in ("up", "down", "page up", "page down"): # Why doesn't this just work?? self.w.body.keypress(size, key) elif key == "a": self.flow.accept_intercept() self.master.view_flow(self.flow) elif key == "A": self.master.accept_all() self.master.view_flow(self.flow) elif key == "m": self.master.prompt_onekey( "View", ( ("raw", "r"), ("indent", "i"), ("hex", "h"), ), self._changeview ) key = None elif key == "e": if self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.master.prompt_onekey( "Edit request", ( ("header", "h"), ("body", "b"), ("url", "u"), ("method", "m"), ("reply", "r") ), self.edit ) else: self.master.prompt_onekey( "Edit response", ( ("code", "c"), ("message", "m"), ("header", "h"), ("body", "b"), ), self.edit ) key = None elif key == "p": self.master.view_prev_flow(self.flow) elif key == "r": r = self.state.replay(self.flow, self.master.masterq) if r: self.master.statusbar.message(r) self.master.refresh_connection(self.flow) elif key == "R": self.state.revert(self.flow) self.master.refresh_connection(self.flow) elif key == "s": self.master.prompt("Save this flow: ", self.master.save_one_flow, self.flow) elif key == "v": if self.state.view_flow_mode == VIEW_FLOW_REQUEST: conn = self.flow.request else: conn = self.flow.response if conn.content: t = conn.headers.get("content-type", [None]) t = t[0] self.master.spawn_external_viewer(conn.content, t) elif key == "w": if self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.master.prompt("Save request body: ", self.save_body) else: self.master.prompt("Save response body: ", self.save_body) elif key == " ": self.master.view_next_flow(self.flow) elif key == "|": self.master.path_prompt("Script: ", self.state.last_script, self.run_script) return key def run_script(self, path): path = os.path.expanduser(path) self.state.last_script = path try: newflow, serr = self.flow.run_script(path) except flow.RunException, e: if e.errout: serr = "Script error code: %s\n\n"%e.returncode + e.errout self.master.spawn_external_viewer(serr, None) self.master.statusbar.message("Script error: %s"%e) return if serr: serr = "Script output:\n\n" + serr self.master.spawn_external_viewer(serr, None) self.flow.load_state(newflow.get_state()) self.master.refresh_connection(self.flow) class _PathCompleter: DEFAULTPATH = "/bin:/usr/bin:/usr/local/bin" 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 elif os.path.isfile(path): prefix = os.path.dirname(txt) files = glob.glob(prefix+"/*") 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] 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(WWrap): def __init__(self): self.message("") def selectable(self): return True def path_prompt(self, prompt, text): self.w = PathEdit(prompt, text) def prompt(self, prompt, text = ""): self.w = urwid.Edit(prompt, text) def message(self, message): self.w = urwid.Text(message) class StatusBar(WWrap): def __init__(self, master, text): self.master, self.text = master, text self.expire = None self.ab = ActionBar() self.ib = urwid.AttrWrap(urwid.Text(""), 'foot') self.w = urwid.Pile([self.ib, self.ab]) def redraw(self): if self.expire and time.time() > self.expire: self.message("") status = urwid.Columns([ urwid.Text( [ ( 'title', "mitmproxy %s:%s"%(self.master.server.address, self.master.server.port) ) ] ), urwid.Text( [ self.text, ('text', "%5s"%("[%s]"%len(self.master.state.flow_list))) ], align="right"), ]) self.ib.set_w(status) self.master.drawscreen() def update(self, text): self.text = text self.redraw() 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: self.expire = time.time() + float(expire)/1000 else: self.expire = None self.ab.message(msg) #end nocover class ConsoleState(flow.State): def __init__(self): flow.State.__init__(self) self.focus = None self.beep = None self.store = None self.view_body_mode = VIEW_BODY_RAW self.view_flow_mode = VIEW_FLOW_REQUEST self.last_script = "" self.last_saveload = "" def add_browserconnect(self, f): flow.State.add_browserconnect(self, f) if self.focus is None: self.set_focus(0) else: self.set_focus(self.focus + 1) def add_request(self, req): if self.focus is None: self.set_focus(0) return flow.State.add_request(self, req) def add_response(self, resp): if self.store is not None: self.store.save_response(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 start_recording(self, recorder): self.store = recorder 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 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): ret = flow.State.delete_flow(self, f) self.set_focus(self.focus) return ret #begin nocover VIEW_CONNLIST = 0 VIEW_FLOW = 1 VIEW_HELP = 2 class ConsoleMaster(flow.FlowMaster): palette = [] footer_text_default = [ ('key', "?"), ":help ", ('key', "q"), ":exit ", ] footer_text_help = [ ('key', "q"), ":back", ] footer_text_connview = [ ('key', "tab"), ":toggle view ", ('key', "?"), ":help ", ('key', "q"), ":back ", ] def __init__(self, server, options): flow.FlowMaster.__init__(self, server, ConsoleState()) self.conn_list_view = None self.set_palette() r = self.set_limit(options.limit) if r: print >> sys.stderr, "Limit error:", r sys.exit(1) r = self.set_intercept(options.intercept) if r: print >> sys.stderr, "Intercept error:", r sys.exit(1) r = self.set_beep(options.beep) if r: print >> sys.stderr, "Beep error:", r sys.exit(1) r = self.set_stickycookie(options.sticky) if r: print >> sys.stderr, "Sticky cookies error:", r sys.exit(1) self.stickycookie = None self.stickyhosts = {} if options.cache is not None: self.state.start_recording(recorder.Recorder(options)) def spawn_external_viewer(self, data, contenttype): if contenttype: ext = mimetypes.guess_extension(contenttype) or "" else: ext = "" fd, name = tempfile.mkstemp(ext, "mproxy") os.write(fd, data) os.close(fd) cmd = None shell = False if contenttype: c = mailcap.getcaps() cmd, _ = mailcap.findmatch(c, contenttype, filename=name) if cmd: shell = True if not cmd: c = os.environ.get("PAGER") or os.environ.get("EDITOR") cmd = [c, name] ret = subprocess.call(cmd, shell=shell) # Not sure why, unless we do this we get a visible cursor after # spawning 'less'. self.ui._curs_set(1) self.ui.clear() os.unlink(name) def set_palette(self): self.palette = [ ('body', 'black', 'dark cyan', 'standout'), ('foot', 'light gray', 'default'), ('title', 'white', 'default',), ('editline', 'white', 'default',), # Help ('key', 'light cyan', 'default', 'underline'), ('head', 'white', 'default'), ('text', 'light gray', 'default'), # List and Connections ('method', 'dark cyan', 'default'), ('focus', 'yellow', 'default'), ('goodcode', 'light green', 'default'), ('error', 'light red', 'default'), ('header', 'dark cyan', 'default'), ('heading', 'white', 'dark blue'), ('highlight', 'white', 'default'), ('inactive', 'dark gray', 'default'), ('ack', 'light red', 'default'), # Hex view ('offset', 'dark cyan', 'default'), ] def run(self): self.viewstate = VIEW_CONNLIST self.currentflow = None self.ui = urwid.curses_display.Screen() self.ui.register_palette(self.palette) self.conn_list_view = ConnectionListView(self, self.state) self.view = None self.statusbar = None self.header = None self.body = None self.prompting = False self.onekey = False self.view_connlist() self.ui.run_wrapper(self.loop) # If True, quit just pops out to connection list view. 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): self.statusbar = StatusBar(self, self.footer_text_help) self.body = self.helptext() self.header = None self.viewstate = VIEW_HELP self.make_view() def view_connlist(self): if self.currentflow: try: idx = self.state.view.index(self.currentflow) self.conn_list_view.set_focus(idx) except (IndexError, ValueError): pass self.body = urwid.ListBox(self.conn_list_view) self.statusbar = StatusBar(self, self.footer_text_default) self.header = None self.viewstate = VIEW_CONNLIST self.currentflow = None self.make_view() def view_flow(self, flow): self.statusbar = StatusBar(self, self.footer_text_connview) self.body = ConnectionView(self, self.state, flow) self.header = ConnectionViewHeader(self, flow) self.viewstate = VIEW_FLOW self.currentflow = flow self.make_view() def _view_nextprev_flow(self, np, flow): try: idx = self.state.view.index(flow) except IndexError: return if np == "next": new_flow, new_idx = self.state.get_next(idx) else: new_flow, new_idx = self.state.get_prev(idx) if new_idx is None: return self.view_flow(new_flow) def view_next_flow(self, flow): return self._view_nextprev_flow("next", flow) def view_prev_flow(self, flow): return self._view_nextprev_flow("prev", flow) 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(self, path): if not path: return self.state.last_saveload = path path = os.path.expanduser(path) try: f = file(path, "r") fr = flow.FlowReader(f) data = list(fr.stream()) f.close() except IOError, v: return v.strerror self.state.load_flows(data) if self.conn_list_view: self.conn_list_view.set_focus(0) self.sync_list_view() return "Flows loaded from %s"%path def helptext(self): text = [] text.extend([("head", "Global keys:\n")]) keys = [ ("A", "accept all intercepted connections"), ("a", "accept this intercepted connection"), ("B", "set beep filter pattern"), ("c", "set sticky cookie expression"), ("i", "set interception pattern"), ("j, k", "up, down"), ("l", "set limit filter pattern"), ("L", "load saved flows"), ("q", "quit / return to connection list"), ("Q", "quit without confirm prompt"), ("r", "replay request"), ("R", "revert changes to request"), ("S", "save all flows matching current limit"), ("page up/down", "page up/down"), ("enter", "view connection"), ] text.extend(format_keyvals(keys, key="key", val="text", indent=4)) text.extend([("head", "\n\nConnection list keys:\n")]) keys = [ ("C", "clear connection list"), ("d", "delete connection from view"), ("s", "save this t flow"), ("z", "kill and delete connection, even if it's mid-intercept"), ("space", "page down"), ] text.extend(format_keyvals(keys, key="key", val="text", indent=4)) text.extend([("head", "\n\nConnection view keys:\n")]) keys = [ ("e", "edit response/request"), ("m", "change view mode (raw, indent, hex)"), ("p", "previous flow"), ("s", "save this flow"), ("v", "view contents in external viewer"), ("w", "save request or response body"), ("|", "run script"), ("tab", "toggle response/request view"), ("space", "next flow"), ] text.extend(format_keyvals(keys, key="key", val="text", indent=4)) text.extend([("head", "\n\nFilter expressions:\n")]) f = [] for i in filt.filt_unary: f.append( ("~%s"%i.code, i.help) ) for i in filt.filt_rex: f.append( ("~%s regex"%i.code, i.help) ) for i in filt.filt_int: f.append( ("~%s int"%i.code, i.help) ) f.sort() f.extend( [ ("!", "unary not"), ("&", "and"), ("|", "or"), ("(...)", "grouping"), ] ) text.extend(format_keyvals(f, key="key", val="text", indent=4)) text.extend( [ "\n", ("text", " Regexes are Python-style.\n"), ("text", " Regexes can be specified as quoted strings.\n"), ("text", " Header matching (~h, ~hq, ~hs) is against a string of the form \"name: value\".\n"), ("text", " Expressions with no operators are regex matches against URL.\n"), ("text", " Default binary operator is &.\n"), ("head", "\n Examples:\n"), ] ) examples = [ ("google\.com", "Url containing \"google.com"), ("~r ~b test", "Requests where body contains \"test\""), ("!(~r & ~t \"text/html\")", "Anything but requests with a text/html content type."), ] text.extend(format_keyvals(examples, key="key", val="text", indent=4)) return urwid.ListBox([urwid.Text(text)]) 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, callback, *args): self.statusbar.prompt(prompt) 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): """ 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): parts = e[0].split(e[1], 1) if parts[0]: mkup.append(("text", parts[0])) mkup.append(("key", e[1])) if parts[1]: mkup.append(("text", parts[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) 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): if txt: f = filt.parse(txt) if not f: return "Invalid filter expression." self.state.set_limit(f) else: self.state.set_limit(None) def set_intercept(self, txt): if txt: self.state.intercept = filt.parse(txt) if not self.state.intercept: return "Invalid filter expression." else: self.state.intercept = None def set_beep(self, txt): if txt: self.state.beep = filt.parse(txt) if not self.state.beep: return "Invalid filter expression." else: self.state.beep = None def set_stickycookie(self, txt): if txt: self.stickycookie = filt.parse(txt) if not self.stickycookie: return "Invalid filter expression." else: self.stickyhosts = {} self.stickycookie = None 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 loop(self): q = Queue.Queue() self.masterq = q slave = controller.Slave(q, self.server) slave.start() try: while not self._shutdown: size = self.drawscreen() self.statusbar.redraw() self.tick(q) self.ui.set_input_timeouts(max_wait=0.1) keys = self.ui.get_input() for k in keys: if self.prompting: if k == "esc": self.prompt_cancel() k = None elif self.onekey: if k == "enter": self.prompt_cancel() elif k in self.onekey: self.prompt_execute(k) k = None elif k == "enter": self.prompt_execute() k = None else: self.statusbar.message("") if k == "?": self.view_help() elif k == "l": self.prompt("Limit: ", self.set_limit) self.sync_list_view() k = None elif k == "i": self.prompt("Intercept: ", self.set_intercept) self.sync_list_view() k = None elif k == "B": self.prompt("Beep: ", self.set_beep) k = None elif k == "j": k = "down" elif k == "k": k = "up" elif k in ("q", "Q"): if k == "Q": raise Stop if self.viewstate == VIEW_FLOW: self.view_connlist() elif self.viewstate == VIEW_HELP: if self.currentflow: self.view_flow(self.currentflow) else: self.view_connlist() else: self.prompt_onekey( "Quit", ( ("yes", "y"), ("no", "n"), ), self.quit, ) k = None elif k == "S": self.path_prompt( "Save flows: ", self.state.last_saveload, self.save_flows ) k = None elif k == "L": self.path_prompt( "Load flows: ", self.state.last_saveload, self.load_flows ) k = None elif k == "c": self.prompt("Sticky cookie: ", self.set_stickycookie) k = None if k: self.view.keypress(size, k) except (Stop, KeyboardInterrupt): pass def quit(self, a): if a != "n": raise Stop def shutdown(self): for i in self.state.flow_list: i.kill() controller.Master.shutdown(self) def sync_list_view(self): self.conn_list_view._modified() def clear_connections(self): self.state.clear() self.sync_list_view() def delete_connection(self, f): self.state.delete_flow(f) self.sync_list_view() def kill_connection(self, f): self.state.kill_flow(f) def refresh_connection(self, c): if hasattr(self.header, "refresh_connection"): self.header.refresh_connection(c) if hasattr(self.body, "refresh_connection"): self.body.refresh_connection(c) if hasattr(self.statusbar, "refresh_connection"): self.statusbar.refresh_connection(c) def process_flow(self, f, r): if f.match(self.state.beep): urwid.curses_display.curses.beep() if f.match(self.state.intercept) and not f.is_replay(): f.intercept() else: r.ack() self.sync_list_view() self.refresh_connection(f) # Handlers def handle_clientconnection(self, r): f = flow.FlowMaster.handle_clientconnection(self, r) if f: self.sync_list_view() def handle_error(self, r): f = flow.FlowMaster.handle_error(self, r) if f: self.process_flow(f, r) def handle_request(self, r): f = flow.FlowMaster.handle_request(self, r) if f: if f.match(self.stickycookie): hid = (f.request.host, f.request.port) if f.request.headers.has_key("cookie"): self.stickyhosts[hid] = f.request.headers["cookie"] elif hid in self.stickyhosts: f.request.headers["cookie"] = self.stickyhosts[hid] self.process_flow(f, r) def handle_response(self, r): f = flow.FlowMaster.handle_request(self, r) if f: if f.match(self.stickycookie): hid = (f.request.host, f.request.port) if f.response.headers.has_key("set-cookie"): self.stickyhosts[hid] = f.response.headers["set-cookie"] self.process_flow(f, r)