2 * Copyright 2001-2006 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * @file saml/binding/SecurityPolicyRule.h
20 * Policy rules that secure and authenticate bindings.
23 #ifndef __saml_secrule_h__
24 #define __saml_secrule_h__
26 #include <saml/binding/GenericRequest.h>
27 #include <xmltooling/XMLObject.h>
30 class SAML_API TrustEngine;
33 class SAML_API Issuer;
36 class SAML_API MetadataProvider;
37 class SAML_API RoleDescriptor;
41 * A rule that a protocol request and message must meet in order to be valid and secure.
43 * <p>Rules must be stateless and thread-safe across evaluations. Evaluation should not
44 * result in an exception if the request/message properties do not apply to the rule
45 * (e.g. particular security mechanisms that are not present).
47 class SAML_API SecurityPolicyRule
49 MAKE_NONCOPYABLE(SecurityPolicyRule);
51 SecurityPolicyRule() {}
53 virtual ~SecurityPolicyRule() {}
55 /** Allows override of code for extracting saml2:Issuer and protocol information. */
56 class SAML_API MessageExtractor {
57 MAKE_NONCOPYABLE(MessageExtractor);
60 virtual ~MessageExtractor() {}
63 * Examines the message and/or its contents and extracts the issuer's claimed
64 * identity along with a protocol identifier. Conventions may be needed
65 * to properly encode non-SAML2 issuer information into a compatible form.
67 * <p>The caller is responsible for freeing the Issuer object.
69 * @param message message to examine
70 * @return a pair consisting of a SAML 2.0 Issuer object and a protocol constant.
71 * @throws std::bad_cast thrown if the message is not of an expected type
73 virtual std::pair<saml2::Issuer*,const XMLCh*> getIssuerAndProtocol(const xmltooling::XMLObject& message) const;
77 * Evaluates the rule against the given request and message. If an Issuer is
78 * returned, the caller is responsible for freeing the Issuer object.
80 * @param request the protocol request
81 * @param message the incoming message
82 * @param metadataProvider locked MetadataProvider instance to authenticate the message
83 * @param role identifies the role (generally IdP or SP) of the peer who issued the message
84 * @param trustEngine TrustEngine to authenticate the message
85 * @param extractor MessageExtractor to use in examining message
86 * @return the identity of the message issuer, in two forms, or NULL
88 * @throws BindingException thrown if the request/message do not meet the requirements of this rule
90 virtual std::pair<saml2::Issuer*,const saml2md::RoleDescriptor*> evaluate(
91 const GenericRequest& request,
92 const xmltooling::XMLObject& message,
93 const saml2md::MetadataProvider* metadataProvider,
94 const xmltooling::QName* role,
95 const TrustEngine* trustEngine,
96 const MessageExtractor& extractor
101 * Registers SecurityPolicyRule plugins into the runtime.
103 void SAML_API registerSecurityPolicyRules();
106 * SecurityPolicyRule for replay detection and freshness checking.
108 * <p>A ReplayCache instance must be available from the runtime, unless
109 * a "checkReplay" XML attribute is set to "0" or "false" when instantiating
112 * <p>Messages must have been issued in the past, but no more than 60 seconds ago,
113 * or up to a number of seconds set by an "expires" XML attribute when
114 * instantiating the policy rule.
116 #define MESSAGEFLOW_POLICY_RULE "org.opensaml.binding.MessageFlowRule"
119 * SecurityPolicyRule for protocol message "blob" signing.
121 * Allows the message issuer to be authenticated using a non-XML digital signature
122 * over the message body. The transport layer is not considered.
124 #define SIMPLESIGNING_POLICY_RULE "org.opensaml.binding.SimpleSigningRule"
127 * SecurityPolicyRule for protocol message XML signing.
129 * Allows the message issuer to be authenticated using an XML digital signature
130 * over the message. The transport layer is not considered.
132 #define XMLSIGNING_POLICY_RULE "org.opensaml.binding.XMLSigningRule"
135 #endif /* __saml_secrule_h__ */