2 * Copyright 2001-2009 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 shibsp/attribute/resolver/AttributeResolver.h
20 * A service that transforms or resolves additional attributes for a particular subject.
23 #ifndef __shibsp_resolver_h__
24 #define __shibsp_resolver_h__
26 #include <shibsp/base.h>
30 #include <xmltooling/Lockable.h>
33 class SAML_API Assertion;
35 class SAML_API NameID;
38 class SAML_API EntityDescriptor;
44 class SHIBSP_API Application;
45 class SHIBSP_API Attribute;
46 class SHIBSP_API Session;
47 class SHIBSP_API ResolutionContext;
49 #if defined (_MSC_VER)
50 #pragma warning( push )
51 #pragma warning( disable : 4250 4251 )
55 * The service that resolves the attributes for a particular subject.
57 class SHIBSP_API AttributeResolver : public virtual xmltooling::Lockable
59 MAKE_NONCOPYABLE(AttributeResolver);
63 virtual ~AttributeResolver();
66 * Creates a ResolutionContext based on session bootstrap material.
68 * <p>This enables resolution to occur ahead of session creation so that
69 * Attributes can be supplied while creating the session.
71 * @param application reference to Application that owns the eventual Session
72 * @param issuer issuing metadata of assertion issuer, if known
73 * @param protocol protocol used to establish Session
74 * @param nameid principal identifier, normalized to SAML 2, if any
75 * @param authncontext_class method/category of authentication event, if known
76 * @param authncontext_decl specifics of authentication event, if known
77 * @param tokens assertions initiating the Session, if any
78 * @param attributes array of previously resolved attributes, if any
79 * @return newly created ResolutionContext, owned by caller
81 virtual ResolutionContext* createResolutionContext(
82 const Application& application,
83 const opensaml::saml2md::EntityDescriptor* issuer,
84 const XMLCh* protocol,
85 const opensaml::saml2::NameID* nameid=NULL,
86 const XMLCh* authncontext_class=NULL,
87 const XMLCh* authncontext_decl=NULL,
88 const std::vector<const opensaml::Assertion*>* tokens=NULL,
89 const std::vector<Attribute*>* attributes=NULL
93 * Creates a ResolutionContext for an existing Session.
95 * @param application reference to Application that owns the Session
96 * @param session reference to Session
97 * @return newly created ResolutionContext, owned by caller
99 virtual ResolutionContext* createResolutionContext(const Application& application, const Session& session) const=0;
103 * Resolves attributes for a given subject and returns them in the supplied context.
105 * @param ctx resolution context to use to resolve attributes
107 * @throws AttributeResolutionException thrown if there is a problem resolving the attributes for the subject
109 virtual void resolveAttributes(ResolutionContext& ctx) const=0;
112 * Populates an array with the set of Attribute IDs that might be generated.
114 * @param attributes array to populate
116 virtual void getAttributeIds(std::vector<std::string>& attributes) const=0;
119 #if defined (_MSC_VER)
120 #pragma warning( pop )
124 * Registers AttributeResolver classes into the runtime.
126 void SHIBSP_API registerAttributeResolvers();
128 /** AttributeResolver based on SAML queries to an IdP during SSO. */
129 #define QUERY_ATTRIBUTE_RESOLVER "Query"
131 /** AttributeResolver based on free-standing SAML queries to additional AAs. */
132 #define SIMPLEAGGREGATION_ATTRIBUTE_RESOLVER "SimpleAggregation"
134 /** AttributeResolver based on chaining together other resolvers. */
135 #define CHAINING_ATTRIBUTE_RESOLVER "Chaining"
138 #endif /* __shibsp_resolver_h__ */