source: examples/python_tests/leader_rt1/query.py @ 20eaefe

#!/usr/bin/env python

"""
Run the queries described in README

cmd1:env keystore=`pwd` ./query.py 
cmd2: env ABAC_CN=1 keystore=`pwd` ./query.py

"""

import os
import ABAC

ctxt = ABAC.Context()
ctxt.set_no_partial_proof()

# Keystore is the directory containing the principal credentials.
# Load existing principals and/or policy credentials
if (os.environ.has_key("keystore")) :
    keystore=os.environ["keystore"]
    ctxt.load_directory(keystore)
else:
    print("keystore is not set...")
    exit(1)

# retrieve principals' keyid value from local credential files
geniID=ABAC.ID("Geni_ID.pem");
geniID.id_load_privkey_file("Geni_private.pem");
geni=geniID.id_keyid()

bobID=ABAC.ID("Bob_ID.pem");
bobID.id_load_privkey_file("Bob_private.pem");
bob=bobID.id_keyid()

jackID=ABAC.ID("Jack_ID.pem");
jackID.id_load_privkey_file("Jack_private.pem");
jack=jackID.id_keyid()

joeID=ABAC.ID("Joe_ID.pem");
joeID.id_load_privkey_file("Joe_private.pem");
joe=joeID.id_keyid()

##########################################################################
# dump the loaded principals/policies
#
out = ctxt.context_principals()
print "\n...final principal set..."
for x in out[1]:
    print "%s " % x.string()
out = ctxt.context_credentials()
print "\n...final policy attribute set..."
for c in out[1]:
    print "%s <- %s" % (c.head_string(), c.tail_string())

##########################################################################
# is Bob a leader at Geni ?
# role=[keyid:geni].role:leader 
# p=[keyid:Bob]
role = ABAC.Role(geni,"leader")
p = ABAC.Role(bob)
print "\n===good============ geni.leader <- Bob"
out = ctxt.query(role, p)
for c in out[1]:
    print "%s <- %s" % (c.head_string(), c.tail_string())

##########################################################################
# is Jack a leader at Geni ?
# role=[keyid:geni].role:leader 
# p=[keyid:Jack]
role = ABAC.Role(geni,"leader")
p = ABAC.Role(jack)
print "\n===bad============ geni.leader <- Jack"
out = ctxt.query(role, p)
for c in out[1]:
    print "%s <- %s" % (c.head_string(), c.tail_string())

##########################################################################
# is Joe a leader at Geni ?
# role=[keyid:geni].role:leader 
# p=[keyid:Joe]
role = ABAC.Role(geni,"leader")
p = ABAC.Role(joe)
print "\n===good============ geni.leader <- Joe"
out = ctxt.query(role, p)
for c in out[1]:
    print "%s <- %s" % (c.head_string(), c.tail_string())