def generate_poa(self, swarm_id, perm_id):
"""
Generate a POA if the swarm-id private key is available
"""
status = Status.get_status_holder("LivingLab")
# Randomly allow 80% to be authorized...
if random.randint(0,100) > 80:
status.create_and_add_event("denied", [swarm_id, perm_id])
status.get_status_element("poas_failed").inc()
raise Exception("Randomly denied...")
key_file = os.path.join(KEY_PATH, swarm_id + ".tkey")
if not os.path.exists(key_file):
raise Exception("Missing key file")
# Load keys
try:
torrent_keypair = ClosedSwarm.read_cs_keypair(key_file)
except Exception,e:
raise Exception("Bad torrent key file")
config['key_file'] = torrent + ".tkey"
if not os.path.exists(config['key_file']):
print "Error: Could not find key file '%s'"%config['key_file']
raise SystemExit(1)
# Load the torrent file
try:
t = TorrentDef.load(torrent)
except Exception,e:
print "Bad torrent file:",e
raise SystemExit(1)
if not t.get_cs_keys():
print "Not a closed swarm torrent"
raise SystemExit(1)
try:
torrent_keypair = ClosedSwarm.read_cs_keypair(config['key_file'])
except Exception,e:
print "Bad torrent key file",e
raise SystemExit(1)
# Need permid of the receiving node
if not config['node_id']:
print "Missing nodeid"
raise SystemExit(1)
create_poa(t, torrent_keypair,
config['node_id'], config['output_file'])
if not os.path.exists(config['key_file']):
print "Error: Could not find key file '%s'"%config['key_file']
raise SystemExit(1)
# Load the torrent file
try:
t = TorrentDef.load(torrent)
except Exception,e:
print "Bad torrent file:",e
raise SystemExit(1)
if not t.get_cs_keys():
print "Not a closed swarm torrent"
raise SystemExit(1)
try:
torrent_keypair = ClosedSwarm.read_cs_keypair(config['key_file'])
except Exception,e:
print "Bad torrent key file",e
raise SystemExit(1)
# Need permid of the receiving node
if not config['node_id']:
print "Missing nodeid"
raise SystemExit(1)
if not config['output_file']:
config['output_file'] = os.path.join(config['node_id'], ".poa")
config['output_file'] = config['output_file'].replace("/","")
config['output_file'] = config['output_file'].replace("\\","")
