def test_verify_of_baked_image(self):
url = 'https://example.org/beths-robotics-badge.json'
png_badge = os.path.join(os.path.dirname(__file__), 'testfiles',
'public_domain_heart.png')
responses.add(responses.GET,
url,
body=test_components['2_0_basic_assertion'],
status=200,
content_type='application/ld+json')
set_up_image_mock(u'https://example.org/beths-robot-badge.png')
responses.add(responses.GET,
'https://w3id.org/openbadges/v2',
body=test_components['openbadges_context'],
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
'https://example.org/robotics-badge.json',
body=test_components['2_0_basic_badgeclass'],
status=200,
content_type='application/ld+json')
set_up_image_mock(u'https://example.org/robotics-badge.png')
responses.add(responses.GET,
'https://example.org/organization.json',
body=test_components['2_0_basic_issuer'],
status=200,
content_type='application/ld+json')
with open(png_badge, 'rb') as image:
baked_image = bake(image, test_components['2_0_basic_assertion'])
responses.add(responses.GET,
'https://example.org/baked',
body=baked_image.read(),
content_type='image/png')
results = verify(baked_image)
# verify gets the JSON out of the baked image, and then detect_input_type
# will reach out to the assertion URL to fetch the canonical assertion (thus,
# we expect this to become an URL input type for the verifier).
self.assertNotEqual(results, None)
self.assertEqual(results.get('input').get('value'), url)
self.assertEqual(results.get('input').get('input_type'), 'url')
self.assertEqual(len(results['report']['messages']), 0,
"There should be no failing tasks.")
# Verify that the same result occurs when passing in the baked image url.
another_result = verify('https://example.org/baked')
self.assertTrue(another_result['report']['valid'])
self.assertEqual(another_result['report']['validationSubject'],
results['report']['validationSubject'])
def test_verify_function(self):
url = 'https://example.org/beths-robotics-badge.json'
responses.add(responses.GET,
url,
body=test_components['2_0_basic_assertion'],
status=200,
content_type='application/ld+json')
set_up_image_mock('https://example.org/beths-robot-badge.png')
responses.add(responses.GET,
'https://w3id.org/openbadges/v2',
body=test_components['openbadges_context'],
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
'https://example.org/robotics-badge.json',
body=test_components['2_0_basic_badgeclass'],
status=200,
content_type='application/ld+json')
set_up_image_mock(u'https://example.org/robotics-badge.png')
responses.add(responses.GET,
'https://example.org/organization.json',
body=test_components['2_0_basic_issuer'],
status=200,
content_type='application/ld+json')
results = verify(url)
self.assertEqual(results.get('input').get('value'), url)
self.assertEqual(results.get('input').get('input_type'), 'url')
self.assertEqual(len(results['report']['messages']), 0,
"There should be no failing tasks.")
def test_verify_with_original_json(self):
url = 'https://example.org/beths-robotics-badge.json'
responses.add(responses.GET,
url,
body=test_components['2_0_basic_assertion'],
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
'https://w3id.org/openbadges/v2',
body=test_components['openbadges_context'],
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
'https://example.org/robotics-badge.json',
body=test_components['2_0_basic_badgeclass'],
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
'https://example.org/organization.json',
body=test_components['2_0_basic_issuer'],
status=200,
content_type='application/ld+json')
result = verify(url, include_original_json=True)
self.assertIn('original_json', list(result['input'].keys()))
self.assertEqual(len(result['input']['original_json']), 3)
self.assertIn(url, list(result['input']['original_json'].keys()))
def test_can_full_verify_with_revocation_check(self):
input_assertion = json.loads(test_components['2_0_basic_assertion'])
input_assertion['verification'] = {'type': 'signed', 'creator': 'http://example.org/key1'}
set_up_image_mock(u'https://example.org/beths-robot-badge.png')
input_badgeclass = json.loads(test_components['2_0_basic_badgeclass'])
set_up_image_mock(input_badgeclass['image'])
revocation_list = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': 'http://example.org/revocationList',
'type': 'RevocationList',
'revokedAssertions': []}
input_issuer = json.loads(test_components['2_0_basic_issuer'])
input_issuer['revocationList'] = revocation_list['id']
input_issuer['publicKey'] = input_assertion['verification']['creator']
private_key = RSA.generate(2048)
print("PKEY")
print(private_key.publickey().exportKey('PEM').decode())
cryptographic_key_doc = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': input_assertion['verification']['creator'],
'type': 'CryptographicKey',
'owner': input_issuer['id'],
'publicKeyPem': private_key.publickey().exportKey('PEM').decode()
}
set_up_context_mock()
for doc in [input_assertion, input_badgeclass, input_issuer, cryptographic_key_doc, revocation_list]:
responses.add(responses.GET, doc['id'], json=doc, status=200)
header = json.dumps({'alg': 'RS256'})
payload = json.dumps(input_assertion)
encoded_separator = '.'
if not sys.version[:3] < '3':
encoded_separator = '.'.encode()
encoded_header = b64encode(header.encode())
encoded_payload = b64encode(payload.encode())
else:
encoded_header = b64encode(header)
encoded_payload = b64encode(payload)
signature = encoded_separator.join([
encoded_header,
encoded_payload,
jws.sign(header, payload, private_key, is_json=True)
])
response = verify(signature, use_cache=False)
self.assertTrue(response['report']['valid'])
def test_verify_redirected_validation_subject(self):
url = 'https://example.org/beths-robotics-badge.json'
assertion_data = json.loads(test_components['2_0_basic_assertion'])
alt_assertion_url = 'http://example.org/altbadgeurl'
assertion_data['id'] = alt_assertion_url
responses.add(responses.GET,
url,
json=assertion_data,
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
alt_assertion_url,
json=assertion_data,
status=200,
content_type='application/ld+json')
set_up_image_mock('https://example.org/beths-robot-badge.png')
responses.add(responses.GET,
'https://w3id.org/openbadges/v2',
body=test_components['openbadges_context'],
status=200,
content_type='application/ld+json')
responses.add(responses.GET,
'https://example.org/robotics-badge.json',
body=test_components['2_0_basic_badgeclass'],
status=200,
content_type='application/ld+json')
set_up_image_mock(u'https://example.org/robotics-badge.png')
responses.add(responses.GET,
'https://example.org/organization.json',
body=test_components['2_0_basic_issuer'],
status=200,
content_type='application/ld+json')
results = verify(url)
self.assertEqual(len(results['report']['messages']), 1,
"There should be a warning about the redirection.")
self.assertIn('Node fetched from source',
results['report']['messages'][0]['result'],
"Message should be the one about the graph ID change.")
self.assertEqual(len(results['graph']), 3)
assertion_node = [
n for n in results['graph'] if n['id'] == assertion_data['id']
][0]
self.assertEqual(assertion_node['badge'],
'https://example.org/robotics-badge.json')
self.assertEqual(results['report']['validationSubject'],
alt_assertion_url)
def test_revoked_badge_marked_invalid(self):
input_assertion = json.loads(test_components['2_0_basic_assertion'])
input_assertion['verification'] = {'type': 'signed', 'creator': 'http://example.org/key1'}
input_badgeclass = json.loads(test_components['2_0_basic_badgeclass'])
revocation_list = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': 'http://example.org/revocationList',
'type': 'RevocationList',
'revokedAssertions': [
{'id': input_assertion['id'], 'revocationReason': 'A good reason, for sure'},
{'id': 'urn:uuid:52e4c6b3-8c13-4fa8-8482-a5cf34ef37a9'},
'urn:uuid:6deb4a00-ebce-4b28-8cc2-afa705ef7be4'
]
}
input_issuer = json.loads(test_components['2_0_basic_issuer'])
input_issuer['revocationList'] = revocation_list['id']
input_issuer['publicKey'] = input_assertion['verification']['creator']
key = RSA.generate(2048)
public_key_pem = key.publickey().export_key()
cryptographic_key_doc = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': input_assertion['verification']['creator'],
'type': 'CryptographicKey',
'owner': input_issuer['id'],
'publicKeyPem': public_key_pem.decode()
}
set_up_context_mock()
for doc in [input_assertion, input_badgeclass, input_issuer, cryptographic_key_doc, revocation_list]:
responses.add(responses.GET, doc['id'], json=doc, status=200)
signature = jws.sign(input_assertion, key, algorithm='RS256')
response = verify(signature, use_cache=False)
self.assertFalse(response['report']['valid'])
msg = [a for a in response['report']['messages'] if a.get('name') == VERIFY_SIGNED_ASSERTION_NOT_REVOKED][0]
self.assertIn('A good reason', msg['result'])
# Assert pruning went well to eliminate revocationlist revokedAssertions except for the revoked one
rev_list = [n for n in response['graph'] if n.get('id') == revocation_list['id']][0]
self.assertEqual(len(rev_list['revokedAssertions']), 1)
self.assertEqual(rev_list['revokedAssertions'], [revocation_list['revokedAssertions'][0]])
def test_upgrade_1_1_issuer_in_full_verify_with_redirect(self):
setUpContextCache()
old_url = "http://example.org/oldissuerurl"
data = {
"@context": "https://w3id.org/openbadges/v1",
"type": "Issuer",
"id": "http://example.org/realissuerurl",
"description": "Example Badge Issuer",
"url": "http://example.org",
"email": "*****@*****.**",
"name": "Test Issuer",
"image": "http://example.org/image"
}
responses.add(responses.GET, old_url, json=data)
responses.add(responses.GET, data['id'], json=data)
result = verify(old_url)
self.assertTrue(result['report']['valid'])
def test_can_full_verify_jws_signed_assertion(self):
"""
I can input a JWS string
I can extract the Assertion from the input signature string and store it as the canonical version of the Assertion.
I can discover and retrieve key information from the Assertion.
I can Access the signing key
I can verify the key is associated with the listed issuer Profile
I can verify the JWS signature has been created by a key trusted to correspond to the issuer Profile
Next: I can verify an assertion with an ephemeral embedded badgeclass as well
"""
input_assertion = json.loads(test_components['2_0_basic_assertion'])
input_assertion['verification'] = {'type': 'signed', 'creator': 'http://example.org/key1'}
set_up_image_mock(u'https://example.org/beths-robot-badge.png')
input_badgeclass = json.loads(test_components['2_0_basic_badgeclass'])
set_up_image_mock(input_badgeclass['image'])
input_issuer = json.loads(test_components['2_0_basic_issuer'])
input_issuer['publicKey'] = input_assertion['verification']['creator']
key = RSA.generate(2048)
public_key_pem = key.publickey().export_key()
cryptographic_key_doc = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': input_assertion['verification']['creator'],
'type': 'CryptographicKey',
'owner': input_issuer['id'],
'publicKeyPem': public_key_pem.decode()
}
set_up_context_mock()
for doc in [input_badgeclass, input_issuer, cryptographic_key_doc]:
responses.add(responses.GET, doc['id'], json=doc, status=200)
signature = jws.sign(input_assertion, key, algorithm='RS256')
response = verify(signature, use_cache=False)
self.assertTrue(response['report']['valid'])
def test_can_full_verify_with_revocation_check(self):
input_assertion = json.loads(test_components['2_0_basic_assertion'])
input_assertion['verification'] = {'type': 'signed', 'creator': 'http://example.org/key1'}
set_up_image_mock(u'https://example.org/beths-robot-badge.png')
input_badgeclass = json.loads(test_components['2_0_basic_badgeclass'])
set_up_image_mock(input_badgeclass['image'])
revocation_list = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': 'http://example.org/revocationList',
'type': 'RevocationList',
'revokedAssertions': []}
input_issuer = json.loads(test_components['2_0_basic_issuer'])
input_issuer['revocationList'] = revocation_list['id']
input_issuer['publicKey'] = input_assertion['verification']['creator']
key = RSA.generate(2048)
public_key_pem = key.publickey().export_key()
cryptographic_key_doc = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': input_assertion['verification']['creator'],
'type': 'CryptographicKey',
'owner': input_issuer['id'],
'publicKeyPem': public_key_pem.decode()
}
set_up_context_mock()
for doc in [input_assertion, input_badgeclass, input_issuer, cryptographic_key_doc, revocation_list]:
responses.add(responses.GET, doc['id'], json=doc, status=200)
header = {'alg': 'RS256'}
payload = json.dumps(input_assertion).encode()
signature = jws.sign(input_assertion, key, algorithm='RS256')
response = verify(signature, use_cache=False)
self.assertTrue(response['report']['valid'])
def test_revoked_badge_marked_invalid(self):
input_assertion = json.loads(test_components['2_0_basic_assertion'])
input_assertion['verification'] = {'type': 'signed', 'creator': 'http://example.org/key1'}
input_badgeclass = json.loads(test_components['2_0_basic_badgeclass'])
revocation_list = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': 'http://example.org/revocationList',
'type': 'RevocationList',
'revokedAssertions': [
{'id': input_assertion['id'], 'revocationReason': 'A good reason, for sure'},
{'id': 'urn:uuid:52e4c6b3-8c13-4fa8-8482-a5cf34ef37a9'},
'urn:uuid:6deb4a00-ebce-4b28-8cc2-afa705ef7be4'
]
}
input_issuer = json.loads(test_components['2_0_basic_issuer'])
input_issuer['revocationList'] = revocation_list['id']
input_issuer['publicKey'] = input_assertion['verification']['creator']
private_key = RSA.generate(2048)
cryptographic_key_doc = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': input_assertion['verification']['creator'],
'type': 'CryptographicKey',
'owner': input_issuer['id'],
'publicKeyPem': make_string_from_bytes(private_key.publickey().exportKey('PEM'))
}
set_up_context_mock()
for doc in [input_assertion, input_badgeclass, input_issuer, cryptographic_key_doc, revocation_list]:
responses.add(responses.GET, doc['id'], json=doc, status=200)
header = json.dumps({'alg': 'RS256'})
payload = json.dumps(input_assertion)
encoded_separator = '.'
if not sys.version[:3] < '3':
encoded_separator = '.'.encode()
encoded_header = b64encode(header.encode())
encoded_payload = b64encode(payload.encode())
else:
encoded_header = b64encode(header)
encoded_payload = b64encode(payload)
signature = encoded_separator.join([
encoded_header,
encoded_payload,
jws.sign(header, payload, private_key, is_json=True)
])
response = verify(signature, use_cache=False)
self.assertFalse(response['report']['valid'])
msg = [a for a in response['report']['messages'] if a.get('name') == VERIFY_SIGNED_ASSERTION_NOT_REVOKED][0]
self.assertIn('A good reason', msg['result'])
# Assert pruning went well to eliminate revocationlist revokedAssertions except for the revoked one
rev_list = [n for n in response['graph'] if n.get('id') == revocation_list['id']][0]
self.assertEqual(len(rev_list['revokedAssertions']), 1)
self.assertEqual(rev_list['revokedAssertions'], [revocation_list['revokedAssertions'][0]])
def test_can_full_verify_jws_signed_assertion(self):
"""
I can input a JWS string
I can extract the Assertion from the input signature string and store it as the canonical version of the Assertion.
I can discover and retrieve key information from the Assertion.
I can Access the signing key
I can verify the key is associated with the listed issuer Profile
I can verify the JWS signature has been created by a key trusted to correspond to the issuer Profile
Next: I can verify an assertion with an ephemeral embedded badgeclass as well
"""
input_assertion = json.loads(test_components['2_0_basic_assertion'])
input_assertion['verification'] = {'type': 'signed', 'creator': 'http://example.org/key1'}
set_up_image_mock(u'https://example.org/beths-robot-badge.png')
input_badgeclass = json.loads(test_components['2_0_basic_badgeclass'])
set_up_image_mock(input_badgeclass['image'])
input_issuer = json.loads(test_components['2_0_basic_issuer'])
input_issuer['publicKey'] = input_assertion['verification']['creator']
private_key = RSA.generate(2048)
cryptographic_key_doc = {
'@context': OPENBADGES_CONTEXT_V2_URI,
'id': input_assertion['verification']['creator'],
'type': 'CryptographicKey',
'owner': input_issuer['id'],
'publicKeyPem': private_key.publickey().exportKey('PEM').decode()
}
set_up_context_mock()
for doc in [input_assertion, input_badgeclass, input_issuer, cryptographic_key_doc]:
responses.add(responses.GET, doc['id'], json=doc, status=200)
header = json.dumps({'alg': 'RS256'})
payload = json.dumps(input_assertion)
encoded_separator = '.'
if not sys.version[:3] < '3':
encoded_separator = '.'.encode()
encoded_header = b64encode(header.encode())
encoded_payload = b64encode(payload.encode())
else:
encoded_header = b64encode(header)
encoded_payload = b64encode(payload)
signature = encoded_separator.join([
encoded_header,
encoded_payload,
jws.sign(header,payload,private_key, is_json=True)
])
response = verify(signature, use_cache=False)
print("TEST CAN FULLY VERIFY JWS SIGNED ASSERTION : response:")
print(response['report'])
self.assertTrue(response['report']['valid'])
