Python saml2.extension_elements_to_elements函数代码示例

    def test_encrypted_signed_response_4(self):

        cert_str, cert_key_str = generate_cert()

        signed_resp = self.server.create_authn_response(
            self.ava,
            "id12",  # in_response_to
            "http://lingon.catalogix.se:8087/",  # consumer_url
            "urn:mace:example.com:saml:roland:sp",  # sp_entity_id
            name_id=self.name_id,
            sign_response=True,
            sign_assertion=True,
            encrypt_assertion=True,
            encrypt_assertion_self_contained=True,
            pefim=True,
            encrypt_cert_advice=cert_str,
        )

        sresponse = response_from_string(signed_resp)

        valid = self.server.sec.verify_signature(signed_resp,
                                                 self.server.config.cert_file,
                                                 node_name='urn:oasis:names:tc:SAML:2.0:protocol:Response',
                                                 node_id=sresponse.id,
                                                 id_attr="")
        assert valid

        decr_text = self.server.sec.decrypt(signed_resp, self.client.config.encryption_keypairs[1]["key_file"])

        resp = samlp.response_from_string(decr_text)

        resp.assertion = extension_elements_to_elements(resp.encrypted_assertion[0].extension_elements, [saml, samlp])

        valid = self.server.sec.verify_signature(decr_text,
                                                 self.server.config.cert_file,
                                                 node_name='urn:oasis:names:tc:SAML:2.0:assertion:Assertion',
                                                 node_id=resp.assertion[0].id,
                                                 id_attr="")

        assert valid

        _, key_file = make_temp(cert_key_str, decode=False)

        decr_text = self.server.sec.decrypt(decr_text, key_file)

        resp = samlp.response_from_string(decr_text)

        assertion = extension_elements_to_elements(resp.encrypted_assertion[0].extension_elements, [saml, samlp])
        assertion = \
             extension_elements_to_elements(assertion[0].advice.encrypted_assertion[0].extension_elements,[saml, samlp])
        self.verify_assertion(assertion)

        #PEFIM never signs assertion in advice
        assert assertion[0].signature is None
        #valid = self.server.sec.verify_signature(decr_text,
        #                                         self.server.config.cert_file,
        #                                         node_name='urn:oasis:names:tc:SAML:2.0:assertion:Assertion',
        #                                         node_id=assertion[0].id,
        #                                         id_attr="")
        assert valid

    def decrypt_assertions(self, encrypted_assertions, decr_txt, issuer=None, verified=False):
        """ Moves the decrypted assertion from the encrypted assertion to a
        list.

        :param encrypted_assertions: A list of encrypted assertions.
        :param decr_txt: The string representation containing the decrypted
        data. Used when verifying signatures.
        :param issuer: The issuer of the response.
        :param verified: If True do not verify signatures, otherwise verify
        the signature if it exists.
        :return: A list of decrypted assertions.
        """
        res = []
        for encrypted_assertion in encrypted_assertions:
            if encrypted_assertion.extension_elements:
                assertions = extension_elements_to_elements(encrypted_assertion.extension_elements, [saml, samlp])
                for assertion in assertions:
                    if assertion.signature and not verified:
                        if not self.sec.check_signature(
                            assertion, origdoc=decr_txt, node_name=class_name(assertion), issuer=issuer
                        ):
                            logger.error("Failed to verify signature on '%s'", assertion)
                            raise SignatureError()
                    res.append(assertion)
        return res

    def ava_from(self, attribute):
        try:
            attr = self._fro[attribute.name.strip().lower()]
        except (AttributeError, KeyError):
            try:
                attr = attribute.friendly_name.strip().lower()
            except AttributeError:
                attr = attribute.name.strip().lower()

        val = []
        for value in attribute.attribute_value:
            if value.extension_elements:
                ext = extension_elements_to_elements(value.extension_elements,
                                                     [saml])
                for ex in ext:
                    cval = {}
                    for key, (name, typ, mul) in ex.c_attributes.items():
                        exv = getattr(ex, name)
                        if exv:
                            cval[name] = exv
                    if ex.text:
                        cval["value"] = ex.text.strip()
                    val.append({ex.c_tag: cval})
            elif not value.text:
                val.append('')
            else:
                val.append(value.text.strip())

        return attr, val

    def test_encrypted_signed_response_2(self):
        cert_str, cert_key_str = generate_cert()

        signed_resp = self.server.create_authn_response(
            self.ava,
            "id12",  # in_response_to
            "http://lingon.catalogix.se:8087/",  # consumer_url
            "urn:mace:example.com:saml:roland:sp",  # sp_entity_id
            name_id=self.name_id,
            sign_response=True,
            sign_assertion=False,
            encrypt_assertion=True,
            encrypt_assertion_self_contained=True,
        )

        sresponse = response_from_string(signed_resp)

        valid = self.server.sec.verify_signature(signed_resp,
                                                 self.server.config.cert_file,
                                                 node_name='urn:oasis:names:tc:SAML:2.0:protocol:Response',
                                                 node_id=sresponse.id,
                                                 id_attr="")
        assert valid

        decr_text = self.server.sec.decrypt(signed_resp, self.client.config.key_file)

        resp = samlp.response_from_string(decr_text)

        resp.assertion = extension_elements_to_elements(resp.encrypted_assertion[0].extension_elements, [saml, samlp])

        assert resp.assertion[0].signature == None

        self.verify_assertion(resp.assertion)

def to_dict(_dict, onts):
    """
    Convert a pysaml2 SAML2 metadata format into a basic dictionary format
    The export interface.

    :param _dict: The pysaml2 metadata instance
    :param onts: Schemas to use for the conversion
    :return: The converted information
    """
    res = {}
    if isinstance(_dict, SamlBase):
        res["__class__"] = "%s&%s" % (_dict.c_namespace,_dict.c_tag)
        for key in _dict.keyswv():
            if key in IMP_SKIP:
                continue
            val = getattr(_dict, key)
            if key == "extension_elements":
                _eel = extension_elements_to_elements(val, onts)
                _val = [_eval(_v, onts) for _v in _eel]
            else:
                _val = _eval(val, onts)

            if _val:
                res[key] = _val
    else:
        for key, val in _dict.items():
            _val = _eval(val, onts)
            if _val:
                res[key] = _val
    return res

def test_xbox_non_ascii_ava():
    conf = config.SPConfig()
    conf.load_file("server_conf")
    md = MetadataStore([saml, samlp], None, conf)
    md.load("local", IDP_EXAMPLE)

    conf.metadata = md
    conf.only_use_keys_in_metadata = False
    sec = sigver.security_context(conf)

    assertion = factory(
        saml.Assertion, version="2.0", id="11111",
        issue_instant="2009-10-30T13:20:28Z",
        signature=sigver.pre_signature_part("11111", sec.my_cert, 1),
        attribute_statement=do_attribute_statement(
            {
                ("", "", "surName"): ("Föö", ""),
                ("", "", "givenName"): ("Bär", ""),
            }
        )
    )

    sigass = sec.sign_statement(
        assertion,
        class_name(assertion),
        key_file=PRIV_KEY,
        node_id=assertion.id,
    )

    _ass0 = saml.assertion_from_string(sigass)
    encrypted_assertion = EncryptedAssertion()
    encrypted_assertion.add_extension_element(_ass0)

    _, pre = make_temp(
        str(pre_encryption_part()).encode('utf-8'), decode=False
    )
    enctext = sec.crypto.encrypt(
        str(encrypted_assertion),
        conf.cert_file,
        pre,
        "des-192",
        '/*[local-name()="EncryptedAssertion"]/*[local-name()="Assertion"]',
    )

    decr_text = sec.decrypt(enctext, key_file=PRIV_KEY)
    _seass = saml.encrypted_assertion_from_string(decr_text)
    assertions = []
    assers = extension_elements_to_elements(
        _seass.extension_elements, [saml, samlp]
    )

    for ass in assers:
        _txt = sec.verify_signature(
            str(ass), PUB_KEY, node_name=class_name(assertion)
        )
        if _txt:
            assertions.append(ass)

    assert assertions
    print(assertions)

    def test_encrypted_response_3(self):
        cert_str_assertion, cert_key_str_assertion = generate_cert()

        _resp = self.server.create_authn_response(
            self.ava,
            "id12",  # in_response_to
            "http://lingon.catalogix.se:8087/",  # consumer_url
            "urn:mace:example.com:saml:roland:sp",  # sp_entity_id
            name_id=self.name_id,
            sign_response=False,
            sign_assertion=False,
            encrypt_assertion=True,
            encrypt_assertion_self_contained=True,
            encrypted_advice_attributes=False,
            encrypt_cert_assertion=cert_str_assertion
        )

        sresponse = response_from_string(_resp)

        assert sresponse.signature is None

        _, key_file = make_temp(cert_key_str_assertion, decode=False)

        decr_text = self.server.sec.decrypt(_resp, key_file)

        resp = samlp.response_from_string(decr_text)

        assert resp.encrypted_assertion[0].extension_elements

        assertion = extension_elements_to_elements(resp.encrypted_assertion[0].extension_elements, [saml, samlp])

        self.verify_encrypted_assertion(assertion, decr_text)

    def test_encrypted_response_7(self):
        _resp = self.server.create_authn_response(
            self.ava,
            "id12",  # in_response_to
            "http://lingon.catalogix.se:8087/",  # consumer_url
            "urn:mace:example.com:saml:roland:sp",  # sp_entity_id
            name_id=self.name_id,
            sign_response=False,
            sign_assertion=False,
            encrypt_assertion=True,
            encrypt_assertion_self_contained=True,
            pefim=True
        )

        sresponse = response_from_string(_resp)

        assert sresponse.signature is None

        decr_text_1 = self.server.sec.decrypt(_resp, self.client.config.encryption_keypairs[1]["key_file"])

        decr_text_2 = self.server.sec.decrypt(decr_text_1, self.client.config.encryption_keypairs[1]["key_file"])

        resp = samlp.response_from_string(decr_text_2)

        resp.assertion = extension_elements_to_elements(resp.encrypted_assertion[0].extension_elements, [saml, samlp])

        self.verify_advice_assertion(resp, decr_text_2)

def authn_context_decl_from_extension_elements(extelems):
    res = extension_elements_to_elements(extelems, [ippword, mobiletwofactor,
                                                    ppt, pword, sslcert])
    try:
        return res[0]
    except IndexError:
        return None

    def ava_from(self, attribute):
        try:
            attr = self._fro[attribute.name.strip()]
        except (AttributeError, KeyError):
            try:
                attr = attribute.friendly_name.strip()
            except AttributeError:
                attr = attribute.name.strip()

        val = []
        for value in attribute.attribute_value:
            if value.extension_elements:
                ext = extension_elements_to_elements(value.extension_elements, [saml])

                for ex in ext:
                    if isinstance(ex, NameID):
                        cval = ''
                        for key, (name, type, mul) in ex.c_attributes.items():
                            exv = getattr(ex, name)
                            if exv and name in ['text', 'value']:
                                cval = exv

                        if ex.text and not cval:
                            cval = ex.text.strip()
                        val.append(cval)
            elif not value.text:
                val.append('')
            else:
                val.append(value.text.strip())

        return attr, val

    def verify_advice_assertion(self, resp, decr_text):
        assert resp.assertion[0].signature is None

        assert resp.assertion[0].advice.encrypted_assertion[0].extension_elements

        assertion = extension_elements_to_elements(resp.assertion[0].advice.encrypted_assertion[0].extension_elements,
                                       [saml, samlp])
        self.verify_encrypted_assertion(assertion, decr_text)

    def test_encrypted_signed_response_2(self):
        name_id = self.server.ident.transient_nameid(
            "urn:mace:example.com:saml:roland:sp", "id12")
        ava = {"givenName": ["Derek"], "surName": ["Jeter"],
               "mail": ["[email protected]"], "title": "The man"}

        cert_str, cert_key_str = generate_cert()

        signed_resp = self.server.create_authn_response(
            ava,
            "id12",  # in_response_to
            "http://lingon.catalogix.se:8087/",  # consumer_url
            "urn:mace:example.com:saml:roland:sp",  # sp_entity_id
            name_id=name_id,
            sign_response=True,
            sign_assertion=True,
            encrypt_assertion=True,
            encrypt_assertion_self_contained=True,
            encrypt_cert=cert_str,
        )

        sresponse = response_from_string(signed_resp)

        valid = self.server.sec.verify_signature(signed_resp,
                                                 self.server.config.cert_file,
                                                 node_name='urn:oasis:names:tc:SAML:2.0:protocol:Response',
                                                 node_id=sresponse.id,
                                                 id_attr="")
        assert valid

        _, key_file = make_temp("%s" % cert_key_str, decode=False)

        decr_text = self.server.sec.decrypt(signed_resp, key_file)

        resp = samlp.response_from_string(decr_text)

        assert resp.encrypted_assertion[0].extension_elements

        assertion = extension_elements_to_elements(resp.encrypted_assertion[0].extension_elements, [saml, samlp])
        assert assertion
        assert assertion[0].attribute_statement

        ava = get_ava(assertion[0])

        assert ava ==\
               {'mail': ['[email protected]'], 'givenname': ['Derek'], 'surname': ['Jeter'], 'title': ['The man']}

        assert 'EncryptedAssertion><encas2:Assertion xmlns:encas0="http://www.w3.org/2000/09/xmldsig#" ' \
               'xmlns:encas1="http://www.w3.org/2001/XMLSchema-instance" ' \
               'xmlns:encas2="urn:oasis:names:tc:SAML:2.0:assertion"' in decr_text

        valid = self.server.sec.verify_signature(decr_text,
                                                 self.server.config.cert_file,
                                                 node_name='urn:oasis:names:tc:SAML:2.0:assertion:Assertion',
                                                 node_id=assertion[0].id,
                                                 id_attr="")
        assert valid

    def _holder_of_key_confirmed(self, data):
        if not data:
            return False

        has_keyinfo = False
        for element in extension_elements_to_elements(data, [samlp, saml, xenc, ds]):
            if isinstance(element, ds.KeyInfo):
                has_keyinfo = True

        return has_keyinfo

    def parse_artifact_resolve_response(self, xmlstr):
        kwargs = {"entity_id": self.config.entityid,
                  "attribute_converters": self.config.attribute_converters}

        resp = self._parse_response(xmlstr, response.ArtifactResponse,
                                    "artifact_resolve", BINDING_SOAP,
                                    **kwargs)
        # should just be one
        elems = extension_elements_to_elements(resp.response.extension_elements,
                                               [samlp, saml])
        return elems[0]

 def decrypt_assertions(self, encrypted_assertions, key_file=""):
     res = []
     for encrypted_assertion in encrypted_assertions:
         if encrypted_assertion.extension_elements:
             assertions = extension_elements_to_elements(encrypted_assertion.extension_elements, [saml, samlp])
             for assertion in assertions:
                 if assertion.signature:
                     if not self.sec.verify_signature("%s" % assertion, key_file, node_name=class_name(assertion)):
                         logger.error("Failed to verify signature on '%s'" % assertion)
                         raise SignatureError()
                 res.append(assertion)
     return res