| # |
| # This file is part of pyasn1-modules software. |
| # |
| # Created by Russ Housley |
| # Copyright (c) 2019, Vigil Security, LLC |
| # License: http://snmplabs.com/pyasn1/license.html |
| # |
| import sys |
| import unittest |
| |
| from pyasn1.codec.der.decoder import decode as der_decoder |
| from pyasn1.codec.der.encoder import encode as der_encoder |
| from pyasn1.compat.octets import str2octs |
| |
| from pyasn1_modules import pem |
| from pyasn1_modules import rfc2634 |
| from pyasn1_modules import rfc4073 |
| from pyasn1_modules import rfc5652 |
| |
| |
| class ContentCollectionTestCase(unittest.TestCase): |
| pem_text = """\ |
| MIIG/QYLKoZIhvcNAQkQAROgggbsMIIG6DCCAWcGCyqGSIb3DQEJEAEUoIIBVjCC |
| AVIwgfEGCSqGSIb3DQEHAaCB4wSB4ENvbnRlbnQtVHlwZTogdGV4dC9wbGFpbgoK |
| UkZDIDQwNzMsIHB1Ymxpc2hlZCBpbiBNYXkgMjAwNSwgZGVzY3JpYmVzIGEgY29u |
| dmVudGlvbiBmb3IgdXNpbmcgdGhlCkNyeXB0b2dyYXBoaWMgTWVzc2FnZSBTeW50 |
| YXggKENNUykgdG8gcHJvdGVjdCBhIGNvbnRlbnQgY29sbGVjdGlvbi4gIElmCmRl |
| c2lyZWQsIGF0dHJpYnV0ZXMgY2FuIGJlIGFzc29jaWF0ZWQgd2l0aCB0aGUgY29u |
| dGVudC4KMFwwMwYLKoZIhvcNAQkQAgQxJDAiDBVBYnN0cmFjdCBmb3IgUkZDIDQw |
| NzMGCSqGSIb3DQEHATAlBgsqhkiG9w0BCRACBzEWBBSkLSXBiRWvbwnJKb4EGb1X |
| FwCa3zCCBXkGCyqGSIb3DQEJEAEUoIIFaDCCBWQwggT9BgkqhkiG9w0BBwGgggTu |
| BIIE6kNvbnRlbnQtVHlwZTogdGV4dC9wbGFpbgoKVGhlIGZvbGxvd2luZyBBU04u |
| MSBtb2R1bGUgZGVmaW5lcyB0aGUgc3RydWN0dXJlcyB0aGF0IGFyZSBuZWVkZWQg |
| dG8KaW1wbGVtZW50IHRoZSBzcGVjaWZpY2F0aW9uIGluIFJGQyA0MDczLiAgSXQg |
| aXMgZXhwZWN0ZWQgdG8gYmUgdXNlZCBpbgpjb25qdW5jdGlvbiB3aXRoIHRoZSBB |
| U04uMSBtb2R1bGVzIGluIFJGQyA1NjUyIGFuZCBSRkMgMzI3NC4KCiAgIENvbnRl |
| bnRDb2xsZWN0aW9uTW9kdWxlCiAgICAgeyBpc28oMSkgbWVtYmVyLWJvZHkoMikg |
| dXMoODQwKSByc2Fkc2koMTEzNTQ5KSBwa2NzKDEpCiAgICAgICBwa2NzLTkoOSkg |
| c21pbWUoMTYpIG1vZHVsZXMoMCkgMjYgfQoKICAgREVGSU5JVElPTlMgSU1QTElD |
| SVQgVEFHUyA6Oj0KICAgQkVHSU4KCiAgIElNUE9SVFMKICAgICBBdHRyaWJ1dGUs |
| IENvbnRlbnRJbmZvCiAgICAgICBGUk9NIENyeXB0b2dyYXBoaWNNZXNzYWdlU3lu |
| dGF4MjAwNCAtLSBbQ01TXQogICAgICAgICB7IGlzbygxKSBtZW1iZXItYm9keSgy |
| KSB1cyg4NDApIHJzYWRzaSgxMTM1NDkpCiAgICAgICAgICAgcGtjcygxKSBwa2Nz |
| LTkoOSkgc21pbWUoMTYpIG1vZHVsZXMoMCkgY21zLTIwMDEoMTQpIH07CgoKICAg |
| LS0gQ29udGVudCBDb2xsZWN0aW9uIENvbnRlbnQgVHlwZSBhbmQgT2JqZWN0IElk |
| ZW50aWZpZXIKCiAgIGlkLWN0LWNvbnRlbnRDb2xsZWN0aW9uIE9CSkVDVCBJREVO |
| VElGSUVSIDo6PSB7CiAgICAgICAgICAgaXNvKDEpIG1lbWJlci1ib2R5KDIpIHVz |
| KDg0MCkgcnNhZHNpKDExMzU0OSkgcGtjcygxKQogICAgICAgICAgIHBrY3M5KDkp |
| IHNtaW1lKDE2KSBjdCgxKSAxOSB9CgogICBDb250ZW50Q29sbGVjdGlvbiA6Oj0g |
| U0VRVUVOQ0UgU0laRSAoMS4uTUFYKSBPRiBDb250ZW50SW5mbwoKICAgLS0gQ29u |
| dGVudCBXaXRoIEF0dHJpYnV0ZXMgQ29udGVudCBUeXBlIGFuZCBPYmplY3QgSWRl |
| bnRpZmllcgoKICAgaWQtY3QtY29udGVudFdpdGhBdHRycyBPQkpFQ1QgSURFTlRJ |
| RklFUiA6Oj0gewogICAgICAgICAgIGlzbygxKSBtZW1iZXItYm9keSgyKSB1cyg4 |
| NDApIHJzYWRzaSgxMTM1NDkpIHBrY3MoMSkKICAgICAgICAgICBwa2NzOSg5KSBz |
| bWltZSgxNikgY3QoMSkgMjAgfQoKICAgQ29udGVudFdpdGhBdHRyaWJ1dGVzIDo6 |
| PSBTRVFVRU5DRSB7CiAgICAgICBjb250ZW50ICAgICBDb250ZW50SW5mbywKICAg |
| ICAgIGF0dHJzICAgICAgIFNFUVVFTkNFIFNJWkUgKDEuLk1BWCkgT0YgQXR0cmli |
| dXRlIH0KCiAgIEVORAowYTA4BgsqhkiG9w0BCRACBDEpMCcMGkFTTi4xIE1vZHVs |
| ZSBmcm9tIFJGQyA0MDczBgkqhkiG9w0BBwEwJQYLKoZIhvcNAQkQAgcxFgQUMbeK |
| buWO3egPDL8Kf7tBhzjIKLw= |
| """ |
| |
| def setUp(self): |
| self.asn1Spec = rfc5652.ContentInfo() |
| |
| def testDerCodec(self): |
| |
| def test_layer(substrate, content_type): |
| asn1Object, rest = der_decoder(substrate, asn1Spec=layers[content_type]) |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder(asn1Object)) |
| |
| if content_type == rfc4073.id_ct_contentWithAttrs: |
| for attr in asn1Object['attrs']: |
| self.assertIn(attr['attrType'], rfc5652.cmsAttributesMap) |
| |
| return asn1Object |
| |
| layers = rfc5652.cmsContentTypesMap |
| |
| getNextLayer = { |
| rfc5652.id_ct_contentInfo: lambda x: x['contentType'], |
| rfc4073.id_ct_contentCollection: lambda x: x[0]['contentType'], |
| rfc4073.id_ct_contentWithAttrs: lambda x: x['content']['contentType'], |
| rfc5652.id_data: lambda x: None, |
| } |
| |
| getNextSubstrate = { |
| rfc5652.id_ct_contentInfo: lambda x: x['content'], |
| rfc4073.id_ct_contentCollection: lambda x: x[0]['content'], |
| rfc4073.id_ct_contentWithAttrs: lambda x: x['content']['content'], |
| rfc5652.id_data: lambda x: None, |
| } |
| |
| substrate = pem.readBase64fromText(self.pem_text) |
| |
| this_layer = rfc5652.id_ct_contentInfo |
| |
| while this_layer != rfc5652.id_data: |
| if this_layer == rfc4073.id_ct_contentCollection: |
| asn1Object = test_layer(substrate, this_layer) |
| for ci in asn1Object: |
| substrate = ci['content'] |
| this_layer = ci['contentType'] |
| while this_layer != rfc5652.id_data: |
| asn1Object = test_layer(substrate, this_layer) |
| substrate = getNextSubstrate[this_layer](asn1Object) |
| this_layer = getNextLayer[this_layer](asn1Object) |
| else: |
| asn1Object = test_layer(substrate, this_layer) |
| substrate = getNextSubstrate[this_layer](asn1Object) |
| this_layer = getNextLayer[this_layer](asn1Object) |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.pem_text) |
| asn1Object, rest = der_decoder(substrate, |
| asn1Spec=rfc5652.ContentInfo(), |
| decodeOpenTypes=True) |
| self.assertFalse(rest) |
| self.assertTrue(asn1Object.prettyPrint()) |
| self.assertEqual(substrate, der_encoder(asn1Object)) |
| |
| self.assertEqual(rfc4073.id_ct_contentCollection, asn1Object['contentType']) |
| |
| for ci in asn1Object['content']: |
| self.assertIn(ci['contentType'], rfc5652.cmsContentTypesMap) |
| self.assertEqual(rfc4073.id_ct_contentWithAttrs, ci['contentType']) |
| |
| next_ci = ci['content']['content'] |
| |
| self.assertIn(next_ci['contentType'], rfc5652.cmsContentTypesMap) |
| self.assertEqual(rfc5652.id_data, next_ci['contentType']) |
| self.assertIn(str2octs('Content-Type: text'), next_ci['content']) |
| |
| for attr in ci['content']['attrs']: |
| self.assertIn(attr['attrType'], rfc5652.cmsAttributesMap) |
| if attr['attrType'] == rfc2634.id_aa_contentHint: |
| self.assertIn('RFC 4073', attr['attrValues'][0]['contentDescription']) |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| result = unittest.TextTestRunner(verbosity=2).run(suite) |
| sys.exit(not result.wasSuccessful()) |
