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"""Tests for josepy.jws."""
import base64
import unittest
import mock
import OpenSSL
from josepy import errors, json_util, jwa, jwk, test_util
CERT = test_util.load_comparable_cert('cert.pem')
KEY = jwk.JWKRSA.load(test_util.load_vector('rsa512_key.pem'))
class MediaTypeTest(unittest.TestCase):
"""Tests for josepy.jws.MediaType."""
def test_decode(self):
from josepy.jws import MediaType
self.assertEqual('application/app', MediaType.decode('application/app'))
self.assertEqual('application/app', MediaType.decode('app'))
self.assertRaises(
errors.DeserializationError, MediaType.decode, 'app;foo')
def test_encode(self):
from josepy.jws import MediaType
self.assertEqual('app', MediaType.encode('application/app'))
self.assertEqual('application/app;foo',
MediaType.encode('application/app;foo'))
class HeaderTest(unittest.TestCase):
"""Tests for josepy.jws.Header."""
def setUp(self):
from josepy.jws import Header
self.header1 = Header(jwk='foo')
self.header2 = Header(jwk='bar')
self.crit = Header(crit=('a', 'b'))
self.empty = Header()
def test_add_non_empty(self):
from josepy.jws import Header
self.assertEqual(Header(jwk='foo', crit=('a', 'b')),
self.header1 + self.crit)
def test_add_empty(self):
self.assertEqual(self.header1, self.header1 + self.empty)
self.assertEqual(self.header1, self.empty + self.header1)
def test_add_overlapping_error(self):
self.assertRaises(TypeError, self.header1.__add__, self.header2)
def test_add_wrong_type_error(self):
self.assertRaises(TypeError, self.header1.__add__, 'xxx')
def test_crit_decode_always_errors(self):
from josepy.jws import Header
self.assertRaises(errors.DeserializationError, Header.from_json,
{'crit': ['a', 'b']})
def test_x5c_decoding(self):
from josepy.jws import Header
header = Header(x5c=(CERT, CERT))
jobj = header.to_partial_json()
cert_asn1 = OpenSSL.crypto.dump_certificate(
OpenSSL.crypto.FILETYPE_ASN1, CERT.wrapped)
cert_b64 = base64.b64encode(cert_asn1)
self.assertEqual(jobj, {'x5c': [cert_b64, cert_b64]})
self.assertEqual(header, Header.from_json(jobj))
jobj['x5c'][0] = base64.b64encode(b'xxx' + cert_asn1)
self.assertRaises(errors.DeserializationError, Header.from_json, jobj)
def test_find_key(self):
self.assertEqual('foo', self.header1.find_key())
self.assertEqual('bar', self.header2.find_key())
self.assertRaises(errors.Error, self.crit.find_key)
class SignatureTest(unittest.TestCase):
"""Tests for josepy.jws.Signature."""
def test_from_json(self):
from josepy.jws import Header
from josepy.jws import Signature
self.assertEqual(
Signature(signature=b'foo', header=Header(alg=jwa.RS256)),
Signature.from_json(
{'signature': 'Zm9v', 'header': {'alg': 'RS256'}}))
def test_from_json_no_alg_error(self):
from josepy.jws import Signature
self.assertRaises(errors.DeserializationError,
Signature.from_json, {'signature': 'foo'})
class JWSTest(unittest.TestCase):
"""Tests for josepy.jws.JWS."""
def setUp(self):
self.privkey = KEY
self.pubkey = self.privkey.public_key()
from josepy.jws import JWS
self.unprotected = JWS.sign(
payload=b'foo', key=self.privkey, alg=jwa.RS256)
self.protected = JWS.sign(
payload=b'foo', key=self.privkey, alg=jwa.RS256,
protect=frozenset(['jwk', 'alg']))
self.mixed = JWS.sign(
payload=b'foo', key=self.privkey, alg=jwa.RS256,
protect=frozenset(['alg']))
def test_pubkey_jwk(self):
self.assertEqual(self.unprotected.signature.combined.jwk, self.pubkey)
self.assertEqual(self.protected.signature.combined.jwk, self.pubkey)
self.assertEqual(self.mixed.signature.combined.jwk, self.pubkey)
def test_sign_unprotected(self):
self.assertTrue(self.unprotected.verify())
def test_sign_protected(self):
self.assertTrue(self.protected.verify())
def test_sign_mixed(self):
self.assertTrue(self.mixed.verify())
def test_compact_lost_unprotected(self):
compact = self.mixed.to_compact()
self.assertEqual(
b'eyJhbGciOiAiUlMyNTYifQ.Zm9v.OHdxFVj73l5LpxbFp1AmYX4yJM0Pyb'
b'_893n1zQjpim_eLS5J1F61lkvrCrCDErTEJnBGOGesJ72M7b6Ve1cAJA',
compact)
from josepy.jws import JWS
mixed = JWS.from_compact(compact)
self.assertNotEqual(self.mixed, mixed)
self.assertEqual(
set(['alg']), set(mixed.signature.combined.not_omitted()))
def test_from_compact_missing_components(self):
from josepy.jws import JWS
self.assertRaises(errors.DeserializationError, JWS.from_compact, b'.')
def test_json_omitempty(self):
protected_jobj = self.protected.to_partial_json(flat=True)
unprotected_jobj = self.unprotected.to_partial_json(flat=True)
self.assertTrue('protected' not in unprotected_jobj)
self.assertTrue('header' not in protected_jobj)
unprotected_jobj['header'] = unprotected_jobj['header'].to_json()
from josepy.jws import JWS
self.assertEqual(JWS.from_json(protected_jobj), self.protected)
self.assertEqual(JWS.from_json(unprotected_jobj), self.unprotected)
def test_json_flat(self):
jobj_to = {
'signature': json_util.encode_b64jose(
self.mixed.signature.signature),
'payload': json_util.encode_b64jose(b'foo'),
'header': self.mixed.signature.header,
'protected': json_util.encode_b64jose(
self.mixed.signature.protected.encode('utf-8')),
}
jobj_from = jobj_to.copy()
jobj_from['header'] = jobj_from['header'].to_json()
self.assertEqual(self.mixed.to_partial_json(flat=True), jobj_to)
from josepy.jws import JWS
self.assertEqual(self.mixed, JWS.from_json(jobj_from))
def test_json_not_flat(self):
jobj_to = {
'signatures': (self.mixed.signature,),
'payload': json_util.encode_b64jose(b'foo'),
}
jobj_from = jobj_to.copy()
jobj_from['signatures'] = [jobj_to['signatures'][0].to_json()]
self.assertEqual(self.mixed.to_partial_json(flat=False), jobj_to)
from josepy.jws import JWS
self.assertEqual(self.mixed, JWS.from_json(jobj_from))
def test_from_json_mixed_flat(self):
from josepy.jws import JWS
self.assertRaises(errors.DeserializationError, JWS.from_json,
{'signatures': (), 'signature': 'foo'})
def test_from_json_hashable(self):
from josepy.jws import JWS
hash(JWS.from_json(self.mixed.to_json()))
class CLITest(unittest.TestCase):
def setUp(self):
self.key_path = test_util.vector_path('rsa512_key.pem')
def test_unverified(self):
from josepy.jws import CLI
with mock.patch('sys.stdin') as sin:
sin.read.return_value = '{"payload": "foo", "signature": "xxx"}'
with mock.patch('sys.stdout'):
self.assertEqual(-1, CLI.run(['verify']))
def test_json(self):
from josepy.jws import CLI
with mock.patch('sys.stdin') as sin:
sin.read.return_value = 'foo'
with mock.patch('sys.stdout') as sout:
CLI.run(['sign', '-k', self.key_path, '-a', 'RS256',
'-p', 'jwk'])
sin.read.return_value = sout.write.mock_calls[0][1][0]
self.assertEqual(0, CLI.run(['verify']))
def test_compact(self):
from josepy.jws import CLI
with mock.patch('sys.stdin') as sin:
sin.read.return_value = 'foo'
with mock.patch('sys.stdout') as sout:
CLI.run(['--compact', 'sign', '-k', self.key_path])
sin.read.return_value = sout.write.mock_calls[0][1][0]
self.assertEqual(0, CLI.run([
'--compact', 'verify', '--kty', 'RSA',
'-k', self.key_path]))
if __name__ == '__main__':
unittest.main() # pragma: no cover