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# Copyright (C) 2015 Custodia Project Contributors - see LICENSE file
from __future__ import absolute_import
import errno
import os
import subprocess
import time
import unittest
from string import Template
from jwcrypto import jwk
from requests.exceptions import HTTPError
from custodia.client import CustodiaKEMClient, CustodiaSimpleClient
from custodia.store.sqlite import SqliteStore
TEST_CUSTODIA_CONF = """
[global]
server_version = "Secret/0.0.7"
server_url = ${SOCKET_URL}
auditlog = test_audit.log
debug = True
[auth:header]
handler = custodia.httpd.authenticators.SimpleHeaderAuth
name = REMOTE_USER
[authz:paths]
handler = custodia.httpd.authorizers.SimplePathAuthz
paths = /. /secrets
[authz:namespaces]
handler = custodia.httpd.authorizers.UserNameSpace
path = /secrets/uns
store = simple
[store:simple]
handler = custodia.store.sqlite.SqliteStore
dburi = test_secrets.db
table = secrets
[/secrets]
handler = custodia.secrets.Secrets
store = simple
[/secrets/uns]
handler = custodia.secrets.Secrets
store = simple
# Forward
[auth:forwarder]
handler = custodia.httpd.authenticators.SimpleAuthKeys
store_namespace = keys/sak
store = simple
[authz:forwarders]
handler = custodia.httpd.authorizers.SimplePathAuthz
paths = /forwarder /forwarder_loop
[/forwarder]
handler = custodia.forwarder.Forwarder
prefix_remote_user = False
forward_uri = ${SOCKET_URL}/secrets/fwd
forward_headers = {"CUSTODIA_AUTH_ID": "${TEST_AUTH_ID}", \
"CUSTODIA_AUTH_KEY": "${TEST_AUTH_KEY}"}
[/forwarder_loop]
handler = custodia.forwarder.Forwarder
forward_uri = ${SOCKET_URL}/forwarder_loop
forward_headers = {"REMOTE_USER": "test"}
# Encgen
[store:encgen]
handler = custodia.store.encgen.EncryptedOverlay
backing_store = simple
master_key = test_mkey.conf
master_enctype = A128CBC-HS256
[authz:enc]
handler = custodia.httpd.authorizers.SimplePathAuthz
paths = /enc
[authz:enc_kem]
handler = custodia.message.kem.KEMKeysStore
server_keys = srvkid
store = simple
paths = /enc/kem
[/enc]
handler = custodia.secrets.Secrets
allowed_keytypes = simple kem
store = encgen
"""
TEST_SOCKET_URL = "http+unix://%2E%2Ftest_socket"
def unlink_if_exists(filename):
try:
os.unlink(filename)
except OSError as err:
if err.errno != errno.ENOENT:
raise
def generate_all_keys(filename):
key = jwk.JWK(generate='oct', size=256)
with open(filename, 'w+') as keyfile:
keyfile.write(key.export())
srv_kid = "srvkid"
cli_kid = "clikid"
ss_key = jwk.JWK(generate='RSA', kid=srv_kid, use="sig")
se_key = jwk.JWK(generate='RSA', kid=srv_kid, use="enc")
store = SqliteStore({'dburi': 'test_secrets.db', 'table': 'secrets'})
store.set('kemkeys/sig/%s' % srv_kid, ss_key.export())
store.set('kemkeys/enc/%s' % srv_kid, se_key.export())
cs_key = jwk.JWK(generate='RSA', kid=cli_kid, use="sig")
ce_key = jwk.JWK(generate='RSA', kid=cli_kid, use="enc")
store = SqliteStore({'dburi': 'test_secrets.db', 'table': 'secrets'})
store.set('kemkeys/sig/%s' % cli_kid, cs_key.export_public())
store.set('kemkeys/enc/%s' % cli_kid, ce_key.export_public())
return ([ss_key.export_public(), se_key.export_public()],
[cs_key.export(), ce_key.export()])
class CustodiaTests(unittest.TestCase):
@classmethod
def setUpClass(cls):
env = os.environ.copy()
env['PYTHONPATH'] = './'
pexec = env.get('CUSTODIAPYTHON', 'python')
unlink_if_exists('test_socket')
unlink_if_exists('test_secrets.db')
unlink_if_exists('test_mkey.conf')
unlink_if_exists('test_custodia.conf')
unlink_if_exists('test_log.txt')
unlink_if_exists('test_audit.log')
cls.socket_url = TEST_SOCKET_URL
cls.test_auth_id = "test_user"
cls.test_auth_key = "cd54b735-e756-4f12-aa18-d85509baef36"
(srvkeys, clikeys) = generate_all_keys('test_mkey.conf')
with (open('test_custodia.conf', 'w+')) as conffile:
t = Template(TEST_CUSTODIA_CONF)
conf = t.substitute({'SOCKET_URL': cls.socket_url,
'TEST_AUTH_ID': cls.test_auth_id,
'TEST_AUTH_KEY': cls.test_auth_key})
conffile.write(conf)
with (open('test_log.txt', 'a')) as logfile:
p = subprocess.Popen([pexec, 'custodia/custodia',
'test_custodia.conf'], env=env,
stdout=logfile, stderr=logfile)
time.sleep(1)
if p.poll() is not None:
raise AssertionError(
"Premature termination of Custodia server, see test_log.txt")
cls.custodia_process = p
cls.client = CustodiaSimpleClient(cls.socket_url + '/secrets/uns')
cls.client.headers['REMOTE_USER'] = 'test'
cls.admin = CustodiaSimpleClient(cls.socket_url + '/secrets')
cls.admin.headers['REMOTE_USER'] = 'admin'
cls.fwd = CustodiaSimpleClient(cls.socket_url + '/forwarder')
cls.fwd.headers['REMOTE_USER'] = 'test'
cls.loop = CustodiaSimpleClient(cls.socket_url + '/forwarder_loop')
cls.loop.headers['REMOTE_USER'] = 'test'
cls.enc = CustodiaSimpleClient(cls.socket_url + '/enc')
cls.enc.headers['REMOTE_USER'] = 'enc'
cls.kem = CustodiaKEMClient(cls.socket_url + '/enc')
cls.kem.headers['REMOTE_USER'] = 'kem'
cls.kem.set_server_public_keys(*srvkeys)
cls.kem.set_client_keys(*clikeys)
@classmethod
def tearDownClass(cls):
cls.custodia_process.kill()
cls.custodia_process.wait()
def test_0_0_setup(self):
self.admin.create_container('fwd')
self.admin.create_container('sak')
self.admin.set_secret('sak/' + self.test_auth_id, self.test_auth_key)
self.admin.create_container('test')
def test_0_create_container(self):
self.client.create_container('test/container')
def test_0_delete_container(self):
self.client.delete_container('test/container')
def test_1_set_simple_key(self):
self.client.set_secret('test/key', 'VmVycnlTZWNyZXQK')
def test_2_get_simple_key(self):
key = self.client.get_secret('test/key')
self.assertEqual(key, 'VmVycnlTZWNyZXQK')
def test_3_list_container(self):
cl = self.client.list_container('test')
self.assertEqual(cl, ["key"])
def test_4_del_simple_key(self):
self.client.del_secret('test/key')
try:
self.client.get_secret('test/key')
except HTTPError:
self.assertEqual(self.client.last_response.status_code, 404)
def test_5_list_empty(self):
cl = self.client.list_container('test')
self.assertEqual(cl, [])
def test_6_create_forwarded_container(self):
self.fwd.create_container('dir')
cl = self.admin.list_container('fwd/dir')
self.assertEqual(cl, [])
def test_7_delete_forwarded_container(self):
self.fwd.delete_container('dir')
try:
self.admin.list_container('fwd/dir')
except HTTPError:
self.assertEqual(self.admin.last_response.status_code, 404)
def test_9_loop(self):
try:
self.loop.list_container('test')
except HTTPError:
self.assertEqual(self.loop.last_response.status_code, 502)
def test_A_enc_1_create_container(self):
self.enc.create_container('container')
cl = self.enc.list_container('container')
self.assertEqual(cl, [])
self.enc.delete_container('container')
try:
self.enc.list_container('container')
except HTTPError:
self.assertEqual(self.enc.last_response.status_code, 404)
def test_A_enc_2_set_simple_key(self):
self.enc.create_container('enc')
self.enc.set_secret('enc/key', 'simple')
key = self.admin.get_secret('enc/key')
self.assertNotEqual(key, 'simple')
key = self.enc.get_secret('enc/key')
self.assertEqual(key, 'simple')
def test_B_1_kem_create_container(self):
self.kem.create_container('kem')
cl = self.kem.list_container('kem')
self.assertEqual(cl, [])
self.kem.set_secret('kem/key', 'Protected')
cl = self.kem.list_container('kem')
self.assertEqual(cl, ['key'])
value = self.kem.get_secret('kem/key')
self.assertEqual(value, 'Protected')
self.kem.del_secret('kem/key')
try:
self.kem.get_secret('kem/key')
except HTTPError:
self.assertEqual(self.kem.last_response.status_code, 404)
self.kem.delete_container('kem')
try:
self.kem.list_container('kem')
except HTTPError:
self.assertEqual(self.kem.last_response.status_code, 404)
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