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test_ds.py
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from tests import base
import xmlsec
consts = xmlsec.constants
class TestSignContext(base.TestMemoryLeaks):
def test_init(self):
ctx = xmlsec.SignatureContext(manager=xmlsec.KeysManager())
del ctx
def test_key(self):
ctx = xmlsec.SignatureContext(manager=xmlsec.KeysManager())
self.assertIsNone(ctx.key)
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
def test_register_id(self):
ctx = xmlsec.SignatureContext()
root = self.load_xml("sign_template.xml")
sign = xmlsec.template.create(root, consts.TransformExclC14N, consts.TransformRsaSha1, "Id")
ctx.register_id(sign, "Id")
def test_sign_case1(self):
"""Should sign a pre-constructed template file using a key from a PEM file."""
root = self.load_xml("sign1-in.xml")
sign = xmlsec.tree.find_node(root, consts.NodeSignature)
self.assertIsNotNone(sign)
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
ctx.sign(sign)
self.assertEqual(self.load_xml("sign1-out.xml"), root)
def test_sign_case2(self):
"""Should sign a dynamicaly constructed template file using a key from a PEM file."""
root = self.load_xml("sign2-in.xml")
sign = xmlsec.template.create(root, consts.TransformExclC14N, consts.TransformRsaSha1)
self.assertIsNotNone(sign)
root.append(sign)
ref = xmlsec.template.add_reference(sign, consts.TransformSha1)
xmlsec.template.add_transform(ref, consts.TransformEnveloped)
ki = xmlsec.template.ensure_key_info(sign)
xmlsec.template.add_key_name(ki)
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
ctx.sign(sign)
self.assertEqual(self.load_xml("sign2-out.xml"), root)
def test_sign_case3(self):
"""Should sign a file using a dynamicaly created template, key from PEM and an X509 cert."""
root = self.load_xml("sign3-in.xml")
sign = xmlsec.template.create(root, consts.TransformExclC14N, consts.TransformRsaSha1)
self.assertIsNotNone(sign)
root.append(sign)
ref = xmlsec.template.add_reference(sign, consts.TransformSha1)
xmlsec.template.add_transform(ref, consts.TransformEnveloped)
ki = xmlsec.template.ensure_key_info(sign)
xmlsec.template.add_x509_data(ki)
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.load_cert_from_file(self.path('rsacert.pem'), consts.KeyDataFormatPem)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
ctx.sign(sign)
self.assertEqual(self.load_xml("sign3-out.xml"), root)
def test_sign_case4(self):
"""Should sign a file using a dynamically created template, key from PEM and an X509 cert with custom ns."""
root = self.load_xml("sign4-in.xml")
xmlsec.tree.add_ids(root, ["ID"])
elem_id = root.get('ID', None)
if elem_id:
elem_id = '#' + elem_id
sign = xmlsec.template.create(root, consts.TransformExclC14N, consts.TransformRsaSha1, ns="ds")
self.assertIsNotNone(sign)
root.append(sign)
ref = xmlsec.template.add_reference(sign, consts.TransformSha1, uri=elem_id)
xmlsec.template.add_transform(ref, consts.TransformEnveloped)
xmlsec.template.add_transform(ref, consts.TransformExclC14N)
ki = xmlsec.template.ensure_key_info(sign)
xmlsec.template.add_x509_data(ki)
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.load_cert_from_file(self.path('rsacert.pem'), consts.KeyDataFormatPem)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
ctx.sign(sign)
self.assertEqual(self.load_xml("sign4-out.xml"), root)
def test_sign_case5(self):
"""Should sign a file using a dynamicaly created template, key from PEM file and an X509 certificate."""
root = self.load_xml("sign5-in.xml")
sign = xmlsec.template.create(root, consts.TransformExclC14N, consts.TransformRsaSha1)
self.assertIsNotNone(sign)
root.append(sign)
ref = xmlsec.template.add_reference(sign, consts.TransformSha1)
xmlsec.template.add_transform(ref, consts.TransformEnveloped)
ki = xmlsec.template.ensure_key_info(sign)
x509 = xmlsec.template.add_x509_data(ki)
xmlsec.template.x509_data_add_subject_name(x509)
xmlsec.template.x509_data_add_certificate(x509)
xmlsec.template.x509_data_add_ski(x509)
x509_issuer_serial = xmlsec.template.x509_data_add_issuer_serial(x509)
xmlsec.template.x509_issuer_serial_add_issuer_name(x509_issuer_serial, 'Test Issuer')
xmlsec.template.x509_issuer_serial_add_serial_number(x509_issuer_serial, '1')
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.load_cert_from_file(self.path('rsacert.pem'), consts.KeyDataFormatPem)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
ctx.sign(sign)
self.assertEqual(self.load_xml("sign5-out.xml"), root)
def test_sign_binary(self):
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
sign = ctx.sign_binary(self.load("sign6-in.bin"), consts.TransformRsaSha1)
self.assertEqual(self.load("sign6-out.bin"), sign)
def test_verify_case_1(self):
self.check_verify(1)
def test_verify_case_2(self):
self.check_verify(2)
def test_verify_case_3(self):
self.check_verify(3)
def test_verify_case_4(self):
self.check_verify(4)
def test_verify_case_5(self):
self.check_verify(5)
def check_verify(self, i):
root = self.load_xml("sign%d-out.xml" % i)
xmlsec.tree.add_ids(root, ["ID"])
sign = xmlsec.tree.find_node(root, consts.NodeSignature)
self.assertIsNotNone(sign)
self.assertEqual(consts.NodeSignature, sign.tag.partition("}")[2])
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsapub.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.name = 'rsapub.pem'
self.assertEqual("rsapub.pem", ctx.key.name)
ctx.verify(sign)
def test_validate_binary_sign(self):
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
ctx.verify_binary(self.load("sign6-in.bin"), consts.TransformRsaSha1, self.load("sign6-out.bin"))
def test_validate_binary_sign_fail(self):
ctx = xmlsec.SignatureContext()
ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)
self.assertIsNotNone(ctx.key)
ctx.key.name = 'rsakey.pem'
self.assertEqual("rsakey.pem", ctx.key.name)
with self.assertRaises(xmlsec.Error):
ctx.verify_binary(self.load("sign6-in.bin"), consts.TransformRsaSha1, b"invalid")