MyProxyClient

The MyProxyClient Python package has been developed as part of development activities for the  NERC DataGrid Security system. This work has been supported over the past year (2007-2008) by  OMII-UK.

The implementation is based on the  myproxy_logon script developed by Tom Uram of ANL. Rather than binding to the  MyProxy C libraries, it uses the M2Crypto Python OpenSSL library wrapper to make calls to a MyProxy server following the  MyProxy protocol.

Releases

Version 1.1.0 2 June 2010

• added bootstrap capability to initialise client CA certificate set-up to trust the server's SSL certificate.

Version 1.0 26 April 2010

• This version includes a new method getTrustRoots to support the ability to download the CA certificates for a given MyProxy server (command=7 - see:  http://grid.ncsa.illinois.edu/myproxy/protocol/)
• 1.0 switches from M2Crypto to PyOpenSSL for its OpenSSL wrapper.
• A put method is included as a stub only. Unfortunately, the PyOpenSSL X.509 Extensions interface doesn't support the proxyCertInfo extension type needed for creating proxy certificates.

Installation

MyProxyClient is available from PyPI:

$ easy_install MyProxyClient

Example

Retrieve credentials from a MyProxy server running at myproxy.localhost on the default port:

>>> from myproxy.client import MyProxyClient
>>> myproxy = MyProxyClient(hostname='myproxy.localhost')
>>> credentials = myproxy.logon('myusername', 'mypassword', bootstrap=True)

credentials is a tuple containing certificate(s) and private key as strings. The bootstrap flag bootstraps the trust roots for the server downloading the CA certificate(s) to ~/.globus/certificates.

Documentation

epydoc generated  documentation is available at the Python package site.

SubVersion Repository

See  http://proj.badc.rl.ac.uk/ndg/browser/TI12-security/trunk/python/MyProxyClient

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