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/SecurityPolicy.h
20 * Overall policy used to verify the security of an incoming message.
23 #ifndef __saml_secpol_h__
24 #define __saml_secpol_h__
26 #include <saml/binding/SecurityPolicyRule.h>
29 #if defined (_MSC_VER)
30 #pragma warning( push )
31 #pragma warning( disable : 4250 4251 )
37 class SAML_API MetadataProvider;
41 * A policy used to verify the security of an incoming message.
43 * <p>Its security mechanisms may be used to examine the transport layer
44 * (e.g client certificates and HTTP basic auth passwords) or to check the
45 * payload of a request to ensure it meets certain criteria (e.g. valid
46 * digital signature, freshness, replay).
48 * <p>Policy objects can be reused, but are not thread-safe.
50 class SAML_API SecurityPolicy
52 MAKE_NONCOPYABLE(SecurityPolicy);
55 * Constructor for policy.
57 * @param metadataProvider locked MetadataProvider instance
58 * @param role identifies the role (generally IdP or SP) of the policy peer
59 * @param trustEngine TrustEngine to authenticate policy peer
62 const saml2md::MetadataProvider* metadataProvider=NULL,
63 const xmltooling::QName* role=NULL,
64 const TrustEngine* trustEngine=NULL
65 ) : m_issuer(NULL), m_issuerRole(NULL), m_matchingPolicy(NULL), m_metadata(metadataProvider),
66 m_role(role ? *role : xmltooling::QName()), m_trust(trustEngine) {
70 * Constructor for policy using existing rules.
72 * @param rules reference to array of policy rules to use
73 * @param metadataProvider locked MetadataProvider instance
74 * @param role identifies the role (generally IdP or SP) of the policy peer
75 * @param trustEngine TrustEngine to authenticate policy peer
78 const std::vector<const SecurityPolicyRule*>& rules,
79 const saml2md::MetadataProvider* metadataProvider=NULL,
80 const xmltooling::QName* role=NULL,
81 const TrustEngine* trustEngine=NULL
82 ) : m_issuer(NULL), m_issuerRole(NULL), m_matchingPolicy(NULL), m_rules(rules), m_metadata(metadataProvider),
83 m_role(role ? *role : xmltooling::QName()), m_trust(trustEngine) {
86 virtual ~SecurityPolicy();
89 * Returns the locked MetadataProvider supplied to the policy.
91 * @return the supplied MetadataProvider or NULL
93 const saml2md::MetadataProvider* getMetadataProvider() const {
98 * Returns the peer role element/type supplied to the policy.
100 * @return the peer role element/type, or an empty QName
102 const xmltooling::QName* getRole() const {
107 * Returns the TrustEngine supplied to the policy.
109 * @return the supplied TrustEngine or NULL
111 const TrustEngine* getTrustEngine() const {
116 * Sets a locked MetadataProvider for the policy.
118 * @param metadata a locked MetadataProvider or NULL
120 void setMetadataProvider(const saml2md::MetadataProvider* metadata) {
121 m_metadata = metadata;
125 * Sets a peer role element/type for to the policy.
127 * @param role the peer role element/type or NULL
129 void setRole(const xmltooling::QName* role) {
130 m_role = (role ? *role : xmltooling::QName());
134 * Sets a TrustEngine for the policy.
136 * @param trust a TrustEngine or NULL
138 void setTrustEngine(const TrustEngine* trust) {
143 * Evaluates the rule against the given request and message,
144 * possibly populating issuer information in the policy object.
146 * @param request the protocol request
147 * @param message the incoming message
148 * @return the identity of the message issuer, in one or more of two forms, or NULL
150 * @throws BindingException thrown if the request/message do not meet the requirements of this rule
152 void evaluate(const GenericRequest& request, const xmltooling::XMLObject& message);
155 * Gets the issuer of the message as determined by the registered policies.
157 * @return issuer of the message as determined by the registered policies
159 const saml2::Issuer* getIssuer() const {
164 * Gets the metadata for the role the issuer is operating in.
166 * @return metadata for the role the issuer is operating in
168 const saml2md::RoleDescriptor* getIssuerMetadata() const {
173 * Sets the issuer of the message as determined by external factors.
174 * The policy object takes ownership of the Issuer object.
176 * @param issuer issuer of the message
178 void setIssuer(saml2::Issuer* issuer);
181 * Sets the metadata for the role the issuer is operating in.
183 * @param issuerRole metadata for the role the issuer is operating in
185 void setIssuerMetadata(const saml2md::RoleDescriptor* issuerRole);
187 /** Allows override of rules for comparing saml2:Issuer information. */
188 class SAML_API IssuerMatchingPolicy {
189 MAKE_NONCOPYABLE(IssuerMatchingPolicy);
191 IssuerMatchingPolicy() {}
192 virtual ~IssuerMatchingPolicy() {}
195 * Returns true iff the two operands "match". Applications can override this method to
196 * support non-standard issuer matching for complex policies.
198 * <p>The default implementation does a basic comparison of the XML content, treating
199 * an unsupplied Format as an "entityID".
201 * @param issuer1 the first Issuer to match
202 * @param issuer2 the second Issuer to match
203 * @return true iff the operands match
205 virtual bool issuerMatches(const saml2::Issuer* issuer1, const saml2::Issuer* issuer2) const;
209 * Returns the IssuerMatchingPolicy in effect.
211 * @return the effective IssuerMatchingPolicy
213 const IssuerMatchingPolicy* getIssuerMatchingPolicy() const {
214 return m_matchingPolicy ? m_matchingPolicy : &m_defaultMatching;
218 * Sets the IssuerMatchingPolicy in effect. Setting no policy will
219 * cause the simple, default approach to be used.
221 * <p>The matching object will be freed by the SecurityPolicy.
223 * @param matchingPolicy the IssuerMatchingPolicy to use
225 void getIssuerMatchingPolicy(IssuerMatchingPolicy* matchingPolicy) {
226 delete m_matchingPolicy;
227 m_matchingPolicy = matchingPolicy;
231 /** A shared matching object that just supports the default matching rules. */
232 static IssuerMatchingPolicy m_defaultMatching;
235 saml2::Issuer* m_issuer;
236 const saml2md::RoleDescriptor* m_issuerRole;
238 IssuerMatchingPolicy* m_matchingPolicy;
239 std::vector<const SecurityPolicyRule*> m_rules;
240 const saml2md::MetadataProvider* m_metadata;
241 xmltooling::QName m_role;
242 const TrustEngine* m_trust;
247 #if defined (_MSC_VER)
248 #pragma warning( pop )
251 #endif /* __saml_secpol_h__ */