Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #37730 > unrolled thread

python: HTTP connections through a proxy server requiring authentication

Started bysajuptpm <sajuptpm@gmail.com>
First post2013-01-26 11:12 -0800
Last post2013-01-29 12:20 +0530
Articles 4 — 3 participants

Back to article view | Back to comp.lang.python

Contents

  python: HTTP connections through a proxy server requiring authentication sajuptpm <sajuptpm@gmail.com> - 2013-01-26 11:12 -0800
    Re: python: HTTP connections through a proxy server requiring authentication sajuptpm <sajuptpm@gmail.com> - 2013-01-26 11:31 -0800
      Re: python: HTTP connections through a proxy server requiring authentication Barry Scott <barry@barrys-emacs.org> - 2013-01-28 23:31 +0000
      Re: python: HTTP connections through a proxy server requiring authentication Saju M <sajuptpm@gmail.com> - 2013-01-29 12:20 +0530

#37730 — python: HTTP connections through a proxy server requiring authentication

Fromsajuptpm <sajuptpm@gmail.com>
Date2013-01-26 11:12 -0800
Subjectpython: HTTP connections through a proxy server requiring authentication
Message-ID<2b240090-4ae2-403b-9e82-61394d8a545f@googlegroups.com>
Hi,

I followed http://dabase.com/blog/Minimal_squid3_proxy_configuration/ to setup proxy server.
I tested my proxy server with firefox with IP:127.0.0.1 and Port:3128 and it working (asking for proxy username and password).

But, i could not make http connection through proxy server requiring authentication using following python code..

########## Python code ########## 

import urllib2
proxy = urllib2.ProxyHandler({'http':'http://saju:123@saju-Inspiron-N5010:3128'})
opener = urllib2.build_opener(proxy, urllib2.HTTPHandler)
urllib2.install_opener(opener)

conn = urllib2.urlopen('http://python.org')
return_str = conn.read()
print "===return_st====", return_str


==== ERROR ====

Traceback (most recent call last):
  File "my_proxy.py", line 6, in <module>
    conn = urllib2.urlopen('http://python.org')
  File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.7/urllib2.py", line 407, in open
    response = meth(req, response)
  File "/usr/lib/python2.7/urllib2.py", line 520, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python2.7/urllib2.py", line 445, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.7/urllib2.py", line 379, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 528, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
urllib2.HTTPError: HTTP Error 407: Proxy Authentication Required



########## Proxy Server Settings ########## 

sudo vim /etc/squid3/squid.conf
-------------------------------
auth_param digest program /usr/lib/squid3/digest_pw_auth -c /etc/squid3/passwords
auth_param digest realm saju-Inspiron-N5010
acl authenticated proxy_auth REQUIRED
http_access allow authenticated
http_port 3128

Setting up user
--------------

htdigest -c /etc/squid3/passwords saju-Inspiron-N5010 saju

==============================

[toc] | [next] | [standalone]

#37731

Fromsajuptpm <sajuptpm@gmail.com>
Date2013-01-26 11:31 -0800
Message-ID<1903bc16-3056-4177-bea1-7996e6fbfeb5@googlegroups.com>
In reply to#37730
Hi,

/etc/squid3/squid.conf
-----------------------------------

saju@saju-Inspiron-N5010:~$ cat squid.conf | grep ^[^#]
auth_param digest program /usr/lib/squid3/digest_pw_auth -c /etc/squid3/passwords
auth_param digest realm saju-Inspiron-N5010
acl manager proto cache_object
acl localhost src 127.0.0.1/32 ::1
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1
acl authenticated proxy_auth REQUIRED
acl SSL_ports port 443
acl Safe_ports port 80        # http
acl Safe_ports port 21        # ftp
acl Safe_ports port 443        # https
acl Safe_ports port 70        # gopher
acl Safe_ports port 210        # wais
acl Safe_ports port 1025-65535    # unregistered ports
acl Safe_ports port 280        # http-mgmt
acl Safe_ports port 488        # gss-http
acl Safe_ports port 591        # filemaker
acl Safe_ports port 777        # multiling http
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow authenticated
http_access deny all
http_port 3128
coredump_dir /var/spool/squid3
refresh_pattern ^ftp:        1440    20%    10080
refresh_pattern ^gopher:    1440    0%    1440
refresh_pattern -i (/cgi-bin/|\?) 0    0%    0
refresh_pattern (Release|Packages(.gz)*)$      0       20%     2880
refresh_pattern .        0    20%    4320
saju@saju-Inspiron-N5010:~$


Thanks,

[toc] | [prev] | [next] | [standalone]

#37846

FromBarry Scott <barry@barrys-emacs.org>
Date2013-01-28 23:31 +0000
Message-ID<mailman.1160.1359417015.2939.python-list@python.org>
In reply to#37731
The shipped python library code does not work.

See http://bugs.python.org/issue7291 for patches.

Barry

[toc] | [prev] | [next] | [standalone]

#37853

FromSaju M <sajuptpm@gmail.com>
Date2013-01-29 12:20 +0530
Message-ID<mailman.1165.1359442271.2939.python-list@python.org>
In reply to#37731

[Multipart message — attachments visible in raw view] — view raw

Hi ,
Thanks barry,

I solved that issue.
I reconfigured squid3 with ncsa_auth, now its working same python code.
Earlier I used digest_pw_auth.

Actually I am trying to fix an issue related to python boto API.

Please check this post
https://groups.google.com/forum/#!topic/boto-users/1qk6d7v2HpQ


Regards
Saju Madhavan
+91 09535134654


On Tue, Jan 29, 2013 at 5:01 AM, Barry Scott <barry@barrys-emacs.org> wrote:

> The shipped python library code does not work.
>
> See http://bugs.python.org/issue7291 for patches.
>
> Barry
>
>

[toc] | [prev] | [standalone]

Back to top | Article view | comp.lang.python

csiph-web