# 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.raw_display import urwid import controller, utils, filt, proxy, flow 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 and i[0]) + space for i in lst: if i is None: ret.extend("\n") elif i[0] is None: ret.extend( [ " "*(pad + indent), (val, i[1]), "\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=2): txt = [] if extended: txt.append(("highlight", utils.format_timestamp(f.request.timestamp))) txt.append(" ") if f.request.is_replay(): txt.append(("method", "[replay]")) txt.extend([ ("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.request.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.response: txt.append( ("ack", "!") if f.intercepting and not f.response.acked else " " ) txt.append("<- ") if f.response.is_replay(): txt.append(("method", "[replay] ")) 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.master.replay_request(self.flow) 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 == "w": self.master.prompt( "Save this flow: ", self.state.last_saveload, 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 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_RESPONSE and flow.response: self.view_response() else: self.view_request() 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 _conn_text(self, conn, viewmode): if conn: return self.master._cached_conn_text(conn.content, tuple(conn.headers.itemPairs()), viewmode) else: return urwid.ListBox([]) def view_request(self): self.state.view_flow_mode = VIEW_FLOW_REQUEST self.master.statusbar.update("Calculating view...") body = self._conn_text( self.flow.request, self.state.view_body_mode ) self.w = self.wrap_body(VIEW_FLOW_REQUEST, body) self.master.statusbar.update("") def view_response(self): self.state.view_flow_mode = VIEW_FLOW_RESPONSE self.master.statusbar.update("Calculating view...") body = self._conn_text( self.flow.response, self.state.view_body_mode ) self.w = self.wrap_body(VIEW_FLOW_RESPONSE, body) self.master.statusbar.update("") def refresh_connection(self, c=None): if c == self.flow: if self.state.view_flow_mode == VIEW_FLOW_RESPONSE and self.flow.response: self.view_response() else: self.view_request() 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] self.master.ui.stop() try: ret = subprocess.call(cmd) except: self.master.statusbar.message("Can't start editor: %s" % c) self.master.ui.start() os.unlink(name) return data self.master.ui.start() 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 self.state.last_saveload = path 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 and self.flow.response: 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.master.replay_request(self.flow) 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 == "w": self.master.prompt( "Save this flow: ", self.state.last_saveload, 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 == "b": if self.state.view_flow_mode == VIEW_FLOW_REQUEST: self.master.prompt( "Save request body: ", self.state.last_saveload, self.save_body ) else: self.master.prompt( "Save response body: ", self.state.last_saveload, 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: 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.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 or "") def message(self, message): self.w = urwid.Text(message) class StatusBar(WWrap): def __init__(self, master, helptext): self.master, self.helptext = master, helptext self.expire = None self.ab = ActionBar() self.ib = WWrap(urwid.Text("")) self.w = urwid.Pile([self.ib, self.ab]) def get_status(self): r = [] if self.master.client_playback: r.append("[") r.append(("statusbar_highlight", "cplayback")) r.append(":%s to go]"%self.master.client_playback.count()) if self.master.server_playback: r.append("[") r.append(("statusbar_highlight", "splayback")) r.append(":%s to go]"%self.master.server_playback.count()) if self.master.state.intercept_txt: r.append("[") r.append(("statusbar_highlight", "i")) r.append(":%s]"%self.master.state.intercept_txt) if self.master.state.limit_txt: r.append("[") r.append(("statusbar_highlight", "l")) r.append(":%s]"%self.master.state.limit_txt) if self.master.stickycookie_txt: r.append("[") r.append(("statusbar_highlight", "t")) r.append(":%s]"%self.master.stickycookie_txt) opts = [] if self.master.anticache: opts.append("anticache") if not self.master.refresh_server_playback: opts.append("norefresh") if self.master.killextra: opts.append("killextra") if opts: r.append("[%s]"%(":".join(opts))) return r def redraw(self): if self.expire and time.time() > self.expire: self.message("") t = [ ('statusbar_text', ("[%s]"%len(self.master.state.flow_list)).ljust(7)), ] t.extend(self.get_status()) status = urwid.AttrWrap(urwid.Columns([ urwid.Text(t), urwid.Text( [ self.helptext, " ", ( 'statusbar_text', "[%s:%s]"%(self.master.server.address or "*", self.master.server.port) ), ], align="right" ), ]), "statusbar") 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: 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.view_body_mode = VIEW_BODY_RAW self.view_flow_mode = VIEW_FLOW_REQUEST self.last_script = "" self.last_saveload = "" def add_request(self, req): f = flow.State.add_request(self, req) if self.focus is None: self.set_focus(0) else: self.set_focus(self.focus + 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 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 class Options(object): __slots__ = [ "anticache", "client_replay", "keepserving", "kill", "intercept", "limit", "refresh_server_playback", "request_script", "response_script", "rheaders", "server_replay", "stickycookie", "verbosity", "wfile", ] def __init__(self, **kwargs): for k, v in kwargs.items(): setattr(self, k, v) for i in self.__slots__: if not hasattr(self, i): setattr(self, i, None) #begin nocover VIEW_CONNLIST = 0 VIEW_FLOW = 1 VIEW_HELP = 2 class ConsoleMaster(flow.FlowMaster): palette = [] footer_text_default = [ ('statusbar_key', "?"), ":help ", ] footer_text_help = [ ('statusbar_key', "q"), ":back", ] footer_text_connview = [ ('statusbar_key', "tab"), ":toggle view ", ('statusbar_key', "?"), ":help ", ('statusbar_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_stickycookie(options.stickycookie) if r: print >> sys.stderr, "Sticky cookies error:", r sys.exit(1) self.stickycookie = None self.stickyhosts = {} self.refresh_server_playback = options.refresh_server_playback self.anticache = options.anticache self.killextra = options.kill self.rheaders = options.rheaders if options.client_replay: self.client_playback_path(options.client_replay) if options.server_replay: self.server_playback_path(options.server_replay) def _view_conn_normal(self, content, txt): for i in content.splitlines(): txt.append( urwid.Text(("text", i)) ) def _view_conn_binary(self, content, txt): for offset, hex, s in utils.hexdump(content): txt.append(urwid.Text([ ("offset", offset), " ", ("text", hex), " ", ("text", s), ])) def _view_conn_pretty(self, content, txt): for i in utils.pretty_xmlish(content): txt.append( urwid.Text(("text", i)), ) @utils.LRUCache(20) def _cached_conn_text(self, content, hdrItems, viewmode): hdr = [] hdr.extend( format_keyvals( [(h+":", v) for (h, v) in sorted(hdrItems)], key = "header", val = "text" ) ) hdr.append("\n") txt = [urwid.Text(hdr)] if content: if viewmode == VIEW_BODY_BINARY: self._view_conn_binary(content, txt) elif viewmode == VIEW_BODY_INDENT: self._view_conn_pretty(content, txt) else: if utils.isBin(content): self._view_conn_binary(content, txt) else: self._view_conn_normal(content, txt) return urwid.ListBox(txt) def _readflow(self, path): path = os.path.expanduser(path) try: f = file(path, "r") 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 ) 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] self.ui.stop() ret = subprocess.call(cmd, shell=shell) self.ui.start() os.unlink(name) def set_palette(self): BARBG = "dark blue" self.palette = [ ('body', 'black', 'dark cyan', 'standout'), ('foot', 'light gray', 'default'), ('title', 'white,bold', 'default',), ('editline', 'white', 'default',), # Status bar ('statusbar', 'light gray', BARBG), ('statusbar_key', 'light cyan', BARBG), ('statusbar_text', 'light gray', BARBG), ('statusbar_highlight', 'white', BARBG), # Help ('key', 'light cyan', 'default', 'underline'), ('head', 'white,bold', '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,bold', 'dark blue'), ('highlight', 'white,bold', '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.raw_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.ui.started: self.ui.clear() 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"), ("c", "client replay"), ("i", "set interception pattern"), ("j, k", "up, down"), ("l", "set limit filter pattern"), ("L", "load saved flows"), ("o", "toggle options:"), (None, " anticache: modify requests to prevent cached responses"), (None, " killextra: kill requests not part of server replay"), (None, " norefresh: disable server replay response refresh"), ("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"), ("s", "server replay"), ("t", "set sticky cookie expression"), ("w", "save this flow"), ("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"), ("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 = [ ("b", "save request/response body"), ("e", "edit request/response"), ("m", "change view mode (raw, indent, hex)"), ("p", "previous flow"), ("v", "view body in external viewer"), ("|", "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, 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): """ 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): return self.state.set_limit(txt) def set_intercept(self, txt): return self.state.set_intercept(txt) 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 controller.exit: self.statusbar.redraw() size = self.drawscreen() 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 == "c": self.path_prompt( "Client replay: ", self.state.last_saveload, self.client_playback_path ) k = None elif k == "l": self.prompt("Limit: ", self.state.limit_txt, self.set_limit) self.sync_list_view() k = None elif k == "i": self.prompt( "Intercept filter: ", self.state.intercept_txt, self.set_intercept ) self.sync_list_view() 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 == "s": self.path_prompt( "Server replay: ", self.state.last_saveload, self.server_playback_path ) k = None elif k == "L": self.path_prompt( "Load flows: ", self.state.last_saveload, self.load_flows ) k = None elif k == "o": self.prompt_onekey( "Options", ( ("anticache", "a"), ("killextra", "k"), ("norefresh", "n"), ), self._change_options ) k = None elif k == "t": self.prompt( "Sticky cookie filter: ", self.stickycookie_txt, 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 _change_options(self, a): if a == "a": self.anticache = not self.anticache elif a == "k": self.killextra = not self.killextra elif a == "n": self.refresh_server_playback = not self.refresh_server_playback def shutdown(self): for i in self.state.flow_list: i.kill(self) 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): f.kill(self) 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.intercept) and not f.request.is_replay(): f.intercept() else: r.ack() self.sync_list_view() self.refresh_connection(f) # Handlers def handle_clientconnect(self, r): f = flow.FlowMaster.handle_clientconnect(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) 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