Fixes #2109

mitmproxy/addons/termstatus.py

@@ -1,4 +1,5 @@
 from mitmproxy import ctx
+from mitmproxy.utils import human
 
 """
     A tiny addon to print the proxy status to terminal. Eventually this could
@@ -17,7 +18,7 @@ class TermStatus:
     def running(self):
         if self.server:
             ctx.log.info(
-                "Proxy server listening at http://{}:{}".format(
-                    *ctx.master.server.address,
+                "Proxy server listening at http://{}".format(
+                    human.format_address(ctx.master.server.address)
                 )
             )

mitmproxy/proxy/server.py

@@ -12,6 +12,7 @@ from mitmproxy.proxy import modes
 from mitmproxy.proxy import root_context
 from mitmproxy.net import tcp
 from mitmproxy.net.http import http1
+from mitmproxy.utils import human
 
 
 class DummyServer:
@@ -152,5 +153,5 @@ class ConnectionHandler:
         self.client_conn.finish()
 
     def log(self, msg, level):
-        msg = "{}: {}".format(repr(self.client_conn.address), msg)
+        msg = "{}: {}".format(human.format_address(self.client_conn.address), msg)
         self.channel.tell("log", log.LogEntry(msg, level))

mitmproxy/tools/console/flowdetailview.py

@@ -30,8 +30,8 @@ def flowdetails(state, flow: http.HTTPFlow):
     if sc is not None:
         text.append(urwid.Text([("head", "Server Connection:")]))
         parts = [
-            ["Address", "{}:{}".format(sc.address[0], sc.address[1])],
-            ["Resolved Address", "{}:{}".format(sc.ip_address[0], sc.ip_address[1])],
+            ["Address", "{}".format(human.format_address(sc.address))],
+            ["Resolved Address", "{}".format(human.format_address(sc.ip_address))],
         ]
         if resp:
             parts.append(["HTTP Version", resp.http_version])

mitmproxy/utils/human.py

@@ -1,7 +1,7 @@
 import datetime
+import ipaddress
 import time
 
-
 SIZE_TABLE = [
     ("b", 1024 ** 0),
     ("k", 1024 ** 1),
@@ -62,3 +62,20 @@ def format_timestamp(s):
 def format_timestamp_with_milli(s):
     d = datetime.datetime.fromtimestamp(s)
     return d.strftime("%Y-%m-%d %H:%M:%S.%f")[:-3]
+
+
+def format_address(address: tuple) -> str:
+    """
+    This function accepts IPv4/IPv6 tuples and
+    returns the formatted address string with port number
+    """
+    try:
+        host = ipaddress.ip_address(address[0])
+        if host.version == 4:
+            return "{}:{}".format(str(host), address[1])
+        # If IPv6 is mapped to IPv4
+        elif host.ipv4_mapped:
+            return "{}:{}".format(str(host.ipv4_mapped), address[1])
+        return "[{}]:{}".format(str(host), address[1])
+    except ValueError:
+        return "{}:{}".format(address[0], address[1])

test/mitmproxy/utils/test_human.py

@@ -46,3 +46,10 @@ def test_pretty_duration():
     assert human.pretty_duration(10000) == "10000s"
     assert human.pretty_duration(1.123) == "1.12s"
     assert human.pretty_duration(0.123) == "123ms"
+
+
+def test_format_address():
+    assert human.format_address(("::1", "54010", "0", "0")) == "[::1]:54010"
+    assert human.format_address(("::ffff:127.0.0.1", "54010", "0", "0")) == "127.0.0.1:54010"
+    assert human.format_address(("127.0.0.1", "54010")) == "127.0.0.1:54010"
+    assert human.format_address(("example.com", "54010")) == "example.com:54010"