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150 lines
6.4 KiB
150 lines
6.4 KiB
#
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# This file is part of pyasn1-modules software.
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#
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# Created by Russ Housley
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# Copyright (c) 2019, Vigil Security, LLC
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# License: http://snmplabs.com/pyasn1/license.html
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#
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import sys
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from pyasn1.codec.der.decoder import decode as der_decode
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from pyasn1.codec.der.encoder import encode as der_encode
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from pyasn1.compat.octets import str2octs
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from pyasn1_modules import pem
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from pyasn1_modules import rfc2634
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from pyasn1_modules import rfc4073
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from pyasn1_modules import rfc5652
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest
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class ContentCollectionTestCase(unittest.TestCase):
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pem_text = """\
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MIIG/QYLKoZIhvcNAQkQAROgggbsMIIG6DCCAWcGCyqGSIb3DQEJEAEUoIIBVjCC
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AVIwgfEGCSqGSIb3DQEHAaCB4wSB4ENvbnRlbnQtVHlwZTogdGV4dC9wbGFpbgoK
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UkZDIDQwNzMsIHB1Ymxpc2hlZCBpbiBNYXkgMjAwNSwgZGVzY3JpYmVzIGEgY29u
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dmVudGlvbiBmb3IgdXNpbmcgdGhlCkNyeXB0b2dyYXBoaWMgTWVzc2FnZSBTeW50
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YXggKENNUykgdG8gcHJvdGVjdCBhIGNvbnRlbnQgY29sbGVjdGlvbi4gIElmCmRl
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c2lyZWQsIGF0dHJpYnV0ZXMgY2FuIGJlIGFzc29jaWF0ZWQgd2l0aCB0aGUgY29u
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dGVudC4KMFwwMwYLKoZIhvcNAQkQAgQxJDAiDBVBYnN0cmFjdCBmb3IgUkZDIDQw
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NzMGCSqGSIb3DQEHATAlBgsqhkiG9w0BCRACBzEWBBSkLSXBiRWvbwnJKb4EGb1X
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FwCa3zCCBXkGCyqGSIb3DQEJEAEUoIIFaDCCBWQwggT9BgkqhkiG9w0BBwGgggTu
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BIIE6kNvbnRlbnQtVHlwZTogdGV4dC9wbGFpbgoKVGhlIGZvbGxvd2luZyBBU04u
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MSBtb2R1bGUgZGVmaW5lcyB0aGUgc3RydWN0dXJlcyB0aGF0IGFyZSBuZWVkZWQg
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dG8KaW1wbGVtZW50IHRoZSBzcGVjaWZpY2F0aW9uIGluIFJGQyA0MDczLiAgSXQg
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aXMgZXhwZWN0ZWQgdG8gYmUgdXNlZCBpbgpjb25qdW5jdGlvbiB3aXRoIHRoZSBB
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U04uMSBtb2R1bGVzIGluIFJGQyA1NjUyIGFuZCBSRkMgMzI3NC4KCiAgIENvbnRl
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bnRDb2xsZWN0aW9uTW9kdWxlCiAgICAgeyBpc28oMSkgbWVtYmVyLWJvZHkoMikg
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dXMoODQwKSByc2Fkc2koMTEzNTQ5KSBwa2NzKDEpCiAgICAgICBwa2NzLTkoOSkg
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c21pbWUoMTYpIG1vZHVsZXMoMCkgMjYgfQoKICAgREVGSU5JVElPTlMgSU1QTElD
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SVQgVEFHUyA6Oj0KICAgQkVHSU4KCiAgIElNUE9SVFMKICAgICBBdHRyaWJ1dGUs
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IENvbnRlbnRJbmZvCiAgICAgICBGUk9NIENyeXB0b2dyYXBoaWNNZXNzYWdlU3lu
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dGF4MjAwNCAtLSBbQ01TXQogICAgICAgICB7IGlzbygxKSBtZW1iZXItYm9keSgy
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KSB1cyg4NDApIHJzYWRzaSgxMTM1NDkpCiAgICAgICAgICAgcGtjcygxKSBwa2Nz
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LTkoOSkgc21pbWUoMTYpIG1vZHVsZXMoMCkgY21zLTIwMDEoMTQpIH07CgoKICAg
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LS0gQ29udGVudCBDb2xsZWN0aW9uIENvbnRlbnQgVHlwZSBhbmQgT2JqZWN0IElk
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ZW50aWZpZXIKCiAgIGlkLWN0LWNvbnRlbnRDb2xsZWN0aW9uIE9CSkVDVCBJREVO
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VElGSUVSIDo6PSB7CiAgICAgICAgICAgaXNvKDEpIG1lbWJlci1ib2R5KDIpIHVz
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KDg0MCkgcnNhZHNpKDExMzU0OSkgcGtjcygxKQogICAgICAgICAgIHBrY3M5KDkp
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IHNtaW1lKDE2KSBjdCgxKSAxOSB9CgogICBDb250ZW50Q29sbGVjdGlvbiA6Oj0g
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U0VRVUVOQ0UgU0laRSAoMS4uTUFYKSBPRiBDb250ZW50SW5mbwoKICAgLS0gQ29u
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dGVudCBXaXRoIEF0dHJpYnV0ZXMgQ29udGVudCBUeXBlIGFuZCBPYmplY3QgSWRl
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bnRpZmllcgoKICAgaWQtY3QtY29udGVudFdpdGhBdHRycyBPQkpFQ1QgSURFTlRJ
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RklFUiA6Oj0gewogICAgICAgICAgIGlzbygxKSBtZW1iZXItYm9keSgyKSB1cyg4
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NDApIHJzYWRzaSgxMTM1NDkpIHBrY3MoMSkKICAgICAgICAgICBwa2NzOSg5KSBz
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bWltZSgxNikgY3QoMSkgMjAgfQoKICAgQ29udGVudFdpdGhBdHRyaWJ1dGVzIDo6
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PSBTRVFVRU5DRSB7CiAgICAgICBjb250ZW50ICAgICBDb250ZW50SW5mbywKICAg
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ICAgIGF0dHJzICAgICAgIFNFUVVFTkNFIFNJWkUgKDEuLk1BWCkgT0YgQXR0cmli
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dXRlIH0KCiAgIEVORAowYTA4BgsqhkiG9w0BCRACBDEpMCcMGkFTTi4xIE1vZHVs
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ZSBmcm9tIFJGQyA0MDczBgkqhkiG9w0BBwEwJQYLKoZIhvcNAQkQAgcxFgQUMbeK
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buWO3egPDL8Kf7tBhzjIKLw=
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"""
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def setUp(self):
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self.asn1Spec = rfc5652.ContentInfo()
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def testDerCodec(self):
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def test_layer(substrate, content_type):
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asn1Object, rest = der_decode(substrate, asn1Spec=layers[content_type])
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assert not rest
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assert asn1Object.prettyPrint()
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assert der_encode(asn1Object) == substrate
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if content_type == rfc4073.id_ct_contentWithAttrs:
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for attr in asn1Object['attrs']:
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assert attr['attrType'] in rfc5652.cmsAttributesMap.keys()
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return asn1Object
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layers = rfc5652.cmsContentTypesMap
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getNextLayer = {
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rfc5652.id_ct_contentInfo: lambda x: x['contentType'],
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rfc4073.id_ct_contentCollection: lambda x: x[0]['contentType'],
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rfc4073.id_ct_contentWithAttrs: lambda x: x['content']['contentType'],
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rfc5652.id_data: lambda x: None,
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}
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getNextSubstrate = {
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rfc5652.id_ct_contentInfo: lambda x: x['content'],
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rfc4073.id_ct_contentCollection: lambda x: x[0]['content'],
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rfc4073.id_ct_contentWithAttrs: lambda x: x['content']['content'],
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rfc5652.id_data: lambda x: None,
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}
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substrate = pem.readBase64fromText(self.pem_text)
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this_layer = rfc5652.id_ct_contentInfo
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while this_layer != rfc5652.id_data:
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if this_layer == rfc4073.id_ct_contentCollection:
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asn1Object = test_layer(substrate, this_layer)
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for ci in asn1Object:
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substrate = ci['content']
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this_layer = ci['contentType']
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while this_layer != rfc5652.id_data:
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asn1Object = test_layer(substrate, this_layer)
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substrate = getNextSubstrate[this_layer](asn1Object)
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this_layer = getNextLayer[this_layer](asn1Object)
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else:
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asn1Object = test_layer(substrate, this_layer)
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substrate = getNextSubstrate[this_layer](asn1Object)
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this_layer = getNextLayer[this_layer](asn1Object)
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def testOpenTypes(self):
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substrate = pem.readBase64fromText(self.pem_text)
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asn1Object, rest = der_decode(substrate,
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asn1Spec=rfc5652.ContentInfo(),
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decodeOpenTypes=True)
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assert not rest
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assert asn1Object.prettyPrint()
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assert der_encode(asn1Object) == substrate
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assert asn1Object['contentType'] == rfc4073.id_ct_contentCollection
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for ci in asn1Object['content']:
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assert ci['contentType'] in rfc5652.cmsContentTypesMap.keys()
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assert ci['contentType'] == rfc4073.id_ct_contentWithAttrs
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next_ci = ci['content']['content']
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assert next_ci['contentType'] in rfc5652.cmsContentTypesMap.keys()
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assert next_ci['contentType'] == rfc5652.id_data
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assert str2octs('Content-Type: text') in next_ci['content']
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for attr in ci['content']['attrs']:
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assert attr['attrType'] in rfc5652.cmsAttributesMap.keys()
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if attr['attrType'] == rfc2634.id_aa_contentHint:
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assert 'RFC 4073' in attr['attrValues'][0]['contentDescription']
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suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
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if __name__ == '__main__':
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import sys
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result = unittest.TextTestRunner(verbosity=2).run(suite)
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sys.exit(not result.wasSuccessful()) |