Revert to previous access control policy
----------------------------------------

Endpoint:

	https://auth.iudx.org.in/auth/v1/acl/revert

Description:

	This API is used to revert to "previous" access control policy.

Called by:

	A "data provider" with a valid class-3 or above certificate.

Methods:

	POST

Known limitations:

	This API can only revert to the previous policy.
	Older history of policies are "NOT" saved at the server.

HTTP response code:

	200
		If the policy has been successfully reverted.

	400
		If there are no saved "previous" policy


Using pyIUDX SDK:

	from pyIUDX.auth import auth

	iudx_auth = auth.Auth("certificate.pem","private-key.pem")

	iudx_auth.revert_policy()

CURL example:

	Request:

		curl -XPOST https://auth.iudx.org.in/auth/v1/acl/revert --cert certificate.pem --key private-key.pem

	Response:

		200 OK
		content-type : "application/json"

		{
			"success" : true
		}

See also:

	acl API:
		http://auth.iudx.org.in/acl.html

	acl set API:
		http://auth.iudx.org.in/acl-set.html

	acl append API:
		http://auth.iudx.org.in/acl-append.html

	node aperture at github:
		https://github.com/rbccps-iisc/node-aperture