console: very basic interactive command executor

mitmproxy/addonmanager.py

@@ -94,7 +94,7 @@ class Loader:
         )
 
     def add_command(self, path: str, func: typing.Callable) -> None:
-        self.master.commands.add_command(path, func)
+        self.master.commands.add(path, func)
 
 
 def traverse(chain):

mitmproxy/command.py

@@ -44,7 +44,7 @@ class Command:
             Call the command with a set of arguments. At this point, all argumets are strings.
         """
         if len(self.paramtypes) != len(args):
-            raise CommandError("SIGNATURE")
+            raise CommandError("Usage: %s" % self.signature_help())
 
         args = [parsearg(args[i], self.paramtypes[i]) for i in range(len(args))]
 

mitmproxy/tools/console/command.py

@@ -0,0 +1,26 @@
+import urwid
+
+from mitmproxy import command
+from mitmproxy.tools.console import signals
+
+
+class CommandEdit(urwid.Edit):
+    def __init__(self):
+        urwid.Edit.__init__(self, ":", "")
+
+    def keypress(self, size, key):
+        return urwid.Edit.keypress(self, size, key)
+
+
+class CommandExecutor:
+    def __init__(self, master):
+        self.master = master
+
+    def __call__(self, cmd):
+        try:
+            ret = self.master.commands.call(cmd)
+        except command.CommandError as v:
+            signals.status_message.send(message=str(v))
+        else:
+            if type(ret) == str:
+                signals.status_message.send(message=ret)

mitmproxy/tools/console/flowlist.py

@@ -353,7 +353,9 @@ class FlowListBox(urwid.ListBox):
 
     def keypress(self, size, key):
         key = common.shortcuts(key)
-        if key == "A":
+        if key == ":":
+            signals.status_prompt_command.send()
+        elif key == "A":
             for f in self.master.view:
                 if f.intercepted:
                     f.resume()

mitmproxy/tools/console/master.py

@@ -288,7 +288,7 @@ class ConsoleMaster(master.Master):
             screen = self.ui,
             handle_mouse = self.options.console_mouse,
         )
-        self.ab = statusbar.ActionBar()
+        self.ab = statusbar.ActionBar(self)
 
         self.loop.set_alarm_in(0.01, self.ticker)
         self.loop.set_alarm_in(

mitmproxy/tools/console/signals.py

@@ -24,6 +24,9 @@ status_prompt_path = blinker.Signal()
 # Prompt for a single keystroke
 status_prompt_onekey = blinker.Signal()
 
+# Prompt for a command
+status_prompt_command = blinker.Signal()
+
 # Call a callback in N seconds
 call_in = blinker.Signal()
 

mitmproxy/tools/console/statusbar.py

@@ -5,6 +5,7 @@ import urwid
 from mitmproxy.tools.console import common
 from mitmproxy.tools.console import pathedit
 from mitmproxy.tools.console import signals
+from mitmproxy.tools.console import command
 import mitmproxy.tools.console.master # noqa
 
 
@@ -32,13 +33,15 @@ class PromptStub:
 
 class ActionBar(urwid.WidgetWrap):
 
-    def __init__(self):
+    def __init__(self, master):
         urwid.WidgetWrap.__init__(self, None)
+        self.master = master
         self.clear()
         signals.status_message.connect(self.sig_message)
         signals.status_prompt.connect(self.sig_prompt)
         signals.status_prompt_path.connect(self.sig_path_prompt)
         signals.status_prompt_onekey.connect(self.sig_prompt_onekey)
+        signals.status_prompt_command.connect(self.sig_prompt_command)
 
         self.last_path = ""
 
@@ -66,6 +69,11 @@ class ActionBar(urwid.WidgetWrap):
         self._w = urwid.Edit(self.prep_prompt(prompt), text or "")
         self.prompting = PromptStub(callback, args)
 
+    def sig_prompt_command(self, sender):
+        signals.focus.send(self, section="footer")
+        self._w = command.CommandEdit()
+        self.prompting = command.CommandExecutor(self.master)
+
     def sig_path_prompt(self, sender, prompt, callback, args=()):
         signals.focus.send(self, section="footer")
         self._w = pathedit.PathEdit(