Controls the length of URL displayed using the -d option (#1903)

mitmproxy/addons/dumper.py

@@ -2,6 +2,7 @@ import itertools
 import sys
 
 import click
+import shutil
 
 import typing  # noqa
 
@@ -124,6 +125,9 @@ class Dumper:
             url = flow.request.pretty_url
         else:
             url = flow.request.url
+        terminalWidthLimit = max(shutil.get_terminal_size()[0] - 25, 50)
+        if self.flow_detail < 1 and len(url) > terminalWidthLimit:
+            url = url[:terminalWidthLimit] + "…"
         url = click.style(strutils.escape_control_characters(url), bold=True)
 
         http_version = ""

test/mitmproxy/addons/test_dumper.py

@@ -7,6 +7,7 @@ from mitmproxy.addons import dumper
 from mitmproxy import exceptions
 from mitmproxy.tools import dump
 from mitmproxy import http
+import shutil
 import mock
 
 
@@ -129,6 +130,14 @@ def test_echo_request_line():
         assert "nonstandard" in sio.getvalue()
         sio.truncate(0)
 
+        ctx.configure(d, flow_detail=0, showhost=True)
+        f = tflow.tflow(client_conn=None, server_conn=True, resp=True)
+        terminalWidth = max(shutil.get_terminal_size()[0] - 25, 50)
+        f.request.url = "http://address:22/" + ("x" * terminalWidth) + "textToBeTruncated"
+        d._echo_request_line(f)
+        assert "textToBeTruncated" not in sio.getvalue()
+        sio.truncate(0)
+
 
 class TestContentView:
     @mock.patch("mitmproxy.contentviews.auto.ViewAuto.__call__")