Proxy Authentication??

[jepler epler]

On Sun, 20 Aug 2000 21:37:11 +1000, Steven Adams
 <adams_s at lab.eng.usyd.edu.au> wrote:
>Hi all,
>
>does anyone know how to get a python script to deal with proxy servers that
>require authentication (username,password)?

Sorry to followup a second time, but here is the code I was thinking of.
Best of luck!

>From: jepler at inetnebr.com (Jeff Epler)
Subject: urllib.py patch: proxy authentication
Date: 27 Jan 2000 00:00:00 GMT
Message-ID: <slrn88vbmb.pl8.jepler at craie.inetnebr.com>
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PST)
Newsgroups: comp.lang.python

The following patch adds support for proxies like
        http_proxy=http://USER:PASS@host:port/
which would formerly confuse the urllib into giving a traceback about a
non-numeric port number. (the PASS at host:port portion)

This patch is probably not ready for inclusion as-is, because the CVS
version of python has a modified urllib that is too far distant for this
patch to apply.  (This is relative to 1.5.2)  If I get around to to
a patch that will apply to the CVS tree as well, I will submit this
patch again.

Other than that, I believe I have tried to live up to the standards asked
for in Python patches.

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--- urllib.py.orig      Wed Jan 26 20:22:36 2000
+++ urllib.py   Wed Jan 26 20:25:06 2000
@@ -230,11 +230,13 @@
                 user_passwd, host = splituser(host)
                 host = unquote(host)
             realhost = host
+            proxy_passwd = None
         else:
             host, selector = url
             urltype, rest = splittype(selector)
             url = rest
             user_passwd = None
+            proxy_passwd, host = splituser(host)
             if string.lower(urltype) != 'http':
                 realhost = None
             else:
@@ -245,6 +247,11 @@
                     selector = "%s://%s%s" % (urltype, realhost, rest)
             #print "proxy via http:", host, selector
         if not host: raise IOError, ('http error', 'no host given')
+        if proxy_passwd:
+            import base64
+            pauth = string.strip(base64.encodestring(proxy_passwd))
+        else:
+            pauth = None
         if user_passwd:
             import base64
             auth = string.strip(base64.encodestring(user_passwd))
@@ -258,6 +265,7 @@
         else:
             h.putrequest('GET', selector)
         if auth: h.putheader('Authorization', 'Basic %s' % auth)
+        if auth: h.putheader('Proxy-Authorization', 'Basic %s' % pauth)
         if realhost: h.putheader('Host', realhost)
         for args in self.addheaders: apply(h.putheader, args)
         h.endheaders()