Proxy Authentication??

[Matthias]

In article <slrn8pvrfi.49e.jepler.lnk at potty.housenet>,
  jepler.lnk at lnk.ispi.net (jepler epler) wrote:
> 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>
> X-NNTP-Posting-Host: craie.housenet
> X-Trace: news2.randori.com 948940498 206.131.194.26 (Wed, 26 Jan 2000
18:34:58
> 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.
>
> I confirm that, to the best of my knowledge and belief, this
> contribution is free of any claims of third parties under
> copyright, patent or other rights or interests ("claims").  To
> the extent that I have any such claims, I hereby grant to CNRI a
> nonexclusive, irrevocable, royalty-free, worldwide license to
> reproduce, distribute, perform and/or display publicly, prepare
> derivative versions, and otherwise use this contribution as part
> of the Python software and its related documentation, or any
> derivative versions thereof, at no cost to CNRI or its licensed
> users, and to authorize others to do so.
>
> I acknowledge that CNRI may, at its sole discretion, decide
> whether or not to incorporate this contribution in the Python
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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()
>


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