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A Kerberos authentication handler for python-requests

Project description

requests Kerberos/GSSAPI authentication library

Requests is an HTTP library, written in Python, for human beings. This library adds optional Kerberos/GSSAPI authentication support and supports mutual authentication. Basic GET usage:

>>> import requests
>>> from requests_kerberos import HTTPKerberosAuth
>>> r = requests.get("http://example.org", auth=HTTPKerberosAuth())
...

The entire requests.api should be supported.

Authentication Failures

Client authentication failures will be communicated to the caller by returning the 401 response.

Mutual Authentication

By default, HTTPKerberosAuth will require mutual authentication from the server, and if a server emits a non-error response which is cannot be authenticated, a requests_kerberos.errors.MutualAuthenticationError will be raised. IF a server emits an error which cannot be authenticated, it will be returned to the user but with it’s contents and headers stripped.

OPTIONAL

If you’d prefer to not require mutual authentication, you can set your preference when constructing your HTTPKerberosAuth object:

>>> import requests
>>> from requests_kerberos import HTTPKerberosAuth, OPTIONAL
>>> kerberos_auth = HTTPKerberosAuth(mutual_authentication=OPTIONAL)
>>> r = requests.get("http://example.org", auth=kerberos_auth)
...

This will cause requests_kerberos to attempt mutual authentication if the server advertises that it supports it, and cause a failure if authentication fails, but not if the server does not support it at all.

DISABLED

While we don’t recommend it, if you’d prefer to never attempt mutual authentication, you can do that as well:

>>> import requests
>>> from requests_kerberos import HTTPKerberosAuth, DISABLED
>>> kerberos_auth = HTTPKerberosAuth(mutual_authentication=DISABLED)
>>> r = requests.get("http://example.org", auth=kerberos_auth)
...

Logging

This library makes extensive use of python’s logging facilities.

Log messages are logged to the requests_kerberos and requests_kerberos.kerberos_ named loggers.

If you are having difficulty we suggest you configure logging. Issues with the underlying kerberos libraries will be made apparent. Additionally, copious debug information is made available which may assist in troubleshooting if you increase your log level all the way up to debug.

History

0.3: 2013-06-02

  • Work with servers operating on non-standard ports

0.2: 2013-03-26

  • Not documented

0.1: Never released

  • Initial Release

Project details


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