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httplib with NETRC authentication

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  httplib with NETRC authentication pratibha natani <en.pratibha@gmail.com> - 2014-05-13 16:33 -0700
    Re: httplib with NETRC authentication Chris Angelico <rosuav@gmail.com> - 2014-05-14 10:11 +1000
    Re: httplib with NETRC authentication Akira Li <4kir4.1i@gmail.com> - 2014-05-14 19:44 +0400
    Re: httplib with NETRC authentication Akira Li <4kir4.1i@gmail.com> - 2014-05-14 20:47 +0400
    Re: httplib with NETRC authentication Chris Angelico <rosuav@gmail.com> - 2014-05-15 03:03 +1000

#71514 — httplib with NETRC authentication

Hi,

I am trying to establish http connection to a gerrit host using netrc authentication. I have a netrc file created with following entries:
machine host1.com login name password pass

I did a debug and saw that my netrc file is being read correctly. Also in the connection object(after sending request) a header got created with appropriate credentials:
 'headers': {'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ='}

Still I get 401,Unauthorized in response. Any help would be greatly appreciated!

  headers = headers or {}
  bare_host = host.partition(':')[0]
  auth = NETRC.authenticators(bare_host)
  if auth:
    headers.setdefault('Authorization', 'Basic %s' % (
        base64.b64encode('%s:%s' % (auth[0], auth[2]))))
    print "inside auth 0 ", auth[0]
    print "inside auth 2 ", auth [2]
  if body:
    body = json.JSONEncoder().encode(body)
    headers.setdefault('Content-Type', 'application/json')
  conn = httplib.HTTPSConnection(host)
  conn.req_host = host
  conn.req_params = {
      'url': '/a/%s' % path,
      'method': reqtype,
      'headers': headers,
      'body': body,
  }
  conn.request(**conn.req_params)
  print "conn ", conn.__dict__


Thanks
Pratibha

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#71520

On Wed, May 14, 2014 at 9:33 AM, pratibha natani <en.pratibha@gmail.com> wrote:
> I am trying to establish http connection to a gerrit host using netrc authentication. I have a netrc file created with following entries:
> machine host1.com login name password pass
>
> I did a debug and saw that my netrc file is being read correctly. Also in the connection object(after sending request) a header got created with appropriate credentials:
>  'headers': {'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ='}
>
> Still I get 401,Unauthorized in response. Any help would be greatly appreciated!

The obvious question is: What *does* work? Does it work when you use
wget, or some other application? Then go and look at what that sends
for its authentication headers. Tip: It won't be "Authorization".

ChrisA

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#71566

Chris Angelico <rosuav@gmail.com> writes:

> On Wed, May 14, 2014 at 9:33 AM, pratibha natani <en.pratibha@gmail.com> wrote:
>> I am trying to establish http connection to a gerrit host using
>> netrc authentication. I have a netrc file created with following
>> entries:
>> machine host1.com login name password pass
>>
>> I did a debug and saw that my netrc file is being read
>> correctly. Also in the connection object(after sending request) a
>> header got created with appropriate credentials:
>>  'headers': {'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ='}
>>
>> Still I get 401,Unauthorized in response. Any help would be greatly appreciated!
>
> The obvious question is: What *does* work? Does it work when you use
> wget, or some other application? Then go and look at what that sends
> for its authentication headers. Tip: It won't be "Authorization".

"Authorization" is the appropriate header for basic http authentication:
http://tools.ietf.org/html/rfc2617#section-2

Here's a code example for urllib2:
https://gist.github.com/kennethreitz/973705#comment-56387


--
akira

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#71569

pratibha natani <en.pratibha@gmail.com> writes:

> Hi,
>
> I am trying to establish http connection to a gerrit host using netrc authentication. I have a netrc file created with following entries:
> machine host1.com login name password pass
>
> I did a debug and saw that my netrc file is being read correctly. Also in the connection object(after sending request) a header got created with appropriate credentials:
>  'headers': {'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ='}
>
It should be QWxhZGRpbjpvcGVuIHNlc2FtZQ== (note: the second '=')

Also, make sure that you use the correct case for the username. Userids
might be case sensitive.


--
akira

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#71570

On Thu, May 15, 2014 at 1:44 AM, Akira Li <4kir4.1i@gmail.com> wrote:
>> The obvious question is: What *does* work? Does it work when you use
>> wget, or some other application? Then go and look at what that sends
>> for its authentication headers. Tip: It won't be "Authorization".
>
> "Authorization" is the appropriate header for basic http authentication:
> http://tools.ietf.org/html/rfc2617#section-2

*facepalm* Critical reading failure on my part. He did have it right
in the first place. Still, I stand by the original statement and (more
importantly) the original question. It's just the tip that's wrong.

ChrisA

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