codekingpro/portable-devtools

1import urwid2 3from mitmproxy import flowfilter4from mitmproxy.tools.console import common5from mitmproxy.tools.console import layoutwidget6from mitmproxy.tools.console import tabs7 8 9class CListBox(urwid.ListBox):10    def __init__(self, contents):11        self.length = len(contents)12        contents = contents[:] + [urwid.Text(["\n"])] * 513        super().__init__(contents)14 15    def keypress(self, size, key):16        if key == "m_end":17            self.set_focus(self.length - 1)18        elif key == "m_start":19            self.set_focus(0)20        else:21            return super().keypress(size, key)22 23 24class HelpView(tabs.Tabs, layoutwidget.LayoutWidget):25    title = "Help"26    keyctx = "help"27 28    def __init__(self, master):29        self.master = master30        self.helpctx = ""31        super().__init__(32            [33                [self.keybindings_title, self.keybindings],34                [self.filtexp_title, self.filtexp],35            ]36        )37 38    def keybindings_title(self):39        return "Key Bindings"40 41    def format_keys(self, binds):42        kvs = []43        for b in binds:44            k = b.key45            if b.key == " ":46                k = "space"47            kvs.append((k, b.help or b.command))48        return common.format_keyvals(kvs)49 50    def keybindings(self):51        text = [urwid.Text([("title", "Common Keybindings")])]52 53        text.extend(self.format_keys(self.master.keymap.list("commonkey")))54 55        text.append(urwid.Text(["\n", ("title", "Keybindings for this view")]))56        if self.helpctx:57            text.extend(self.format_keys(self.master.keymap.list(self.helpctx)))58 59        text.append(60            urwid.Text(61                [62                    "\n",63                    ("title", "Global Keybindings"),64                ]65            )66        )67 68        text.extend(self.format_keys(self.master.keymap.list("global")))69 70        return CListBox(text)71 72    def filtexp_title(self):73        return "Filter Expressions"74 75    def filtexp(self):76        text = []77        text.extend(common.format_keyvals(flowfilter.help, indent=4))78        text.append(79            urwid.Text(80                [81                    "\n",82                    ("text", "    Regexes are Python-style.\n"),83                    ("text", "    Regexes can be specified as quoted strings.\n"),84                    (85                        "text",86                        '    Header matching (~h, ~hq, ~hs) is against a string of the form "name: value".\n',87                    ),88                    (89                        "text",90                        "    Expressions with no operators are regex matches against URL.\n",91                    ),92                    ("text", "    Default binary operator is &.\n"),93                    ("head", "\n    Examples:\n"),94                ]95            )96        )97        examples = [98            (r"google\.com", r"Url containing \"google.com"),99            ("~q ~b test", r"Requests where body contains \"test\""),100            (101                r"!(~q & ~t \"text/html\")",102                "Anything but requests with a text/html content type.",103            ),104        ]105        text.extend(common.format_keyvals(examples, indent=4))106        return CListBox(text)107 108    def layout_pushed(self, prev):109        """110        We are just about to push a window onto the stack.111        """112        self.helpctx = prev.keyctx113        self.show()114