1 files changed, 19 insertions, 0 deletions
diff --git a/mitmproxy/cmdline.py b/mitmproxy/cmdline.py
index 3e9fa011..b1b860f8 100644
--- a/mitmproxy/cmdline.py
+++ b/mitmproxy/cmdline.py
@@ -1,6 +1,7 @@
 from __future__ import absolute_import
 import os
 import re
+import base64
 
 import configargparse
 
@@ -117,6 +118,15 @@ def parse_server_spec(url):
     return config.ServerSpec(scheme, address)
 
 
+def parse_upstream_auth(auth):
+    pattern = re.compile(".+:")
+    if pattern.search(auth) is None:
+        raise configargparse.ArgumentTypeError(
+            "Invalid upstream auth specification: %s" % auth
+        )
+    return "Basic" + " " + base64.b64encode(auth)
+
+
 def get_common_options(options):
     stickycookie, stickyauth = None, None
     if options.stickycookie_filt:
@@ -370,6 +380,15 @@ def proxy_options(parser):
             If your OpenSSL version supports ALPN, HTTP/2 is enabled by default.
         """
     )
+    parser.add_argument(
+        "--upstream-auth",
+        action="store", dest="upstream_auth", default=None,
+        type=parse_upstream_auth,
+        help="""
+            Proxy Authentication:
+            username:password
+        """
+    )
     rawtcp = group.add_mutually_exclusive_group()
     rawtcp.add_argument("--raw-tcp", action="store_true", dest="rawtcp")
     rawtcp.add_argument("--no-raw-tcp", action="store_false", dest="rawtcp",