1 /**
2  * Licensed to the University Corporation for Advanced Internet
3  * Development, Inc. (UCAID) under one or more contributor license
4  * agreements. See the NOTICE file distributed with this work for
5  * additional information regarding copyright ownership.
6  *
7  * UCAID licenses this file to you under the Apache License,
8  * Version 2.0 (the "License"); you may not use this file except
9  * in compliance with the License. You may obtain a copy of the
10  * License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing,
15  * software distributed under the License is distributed on an
16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
17  * either express or implied. See the License for the specific
18  * language governing permissions and limitations under the License.
19  */
20 
21 /**
22  * @file saml/SAMLConfig.h
23  *
24  * Library configuration.
25  */
26 
27 #ifndef __saml_config_h__
28 #define __saml_config_h__
29 
30 #include <saml/base.h>
31 
32 #include <string>
33 #include <xercesc/dom/DOM.hpp>
34 #include <xmltooling/PluginManager.h>
35 
36 /**
37  * @namespace opensaml
38  * Common classes for OpenSAML library
39  */
40 namespace opensaml {
41 
42     class SAML_API ArtifactMap;
43     class SAML_API MessageEncoder;
44     class SAML_API MessageDecoder;
45     class SAML_API SAMLArtifact;
46     class SAML_API SecurityPolicyRule;
47 
48     namespace saml2md {
49         class SAML_API ContactPerson;
50         class SAML_API EntityDescriptor;
51         class SAML_API EntityMatcher;
52         class SAML_API MetadataProvider;
53         class SAML_API MetadataFilter;
54         class SAML_API RoleDescriptor;
55     };
56 
57 #if defined (_MSC_VER)
58     #pragma warning( push )
59     #pragma warning( disable : 4250 4251 )
60 #endif
61 
62     /**
63      * Singleton object that manages library startup/shutdown.configuration.
64      */
65     class SAML_API SAMLConfig
66     {
67     MAKE_NONCOPYABLE(SAMLConfig);
68     public:
69         virtual ~SAMLConfig();
70 
71         /**
72          * Returns the global configuration object for the library.
73          *
74          * @return reference to the global library configuration object
75          */
76         static SAMLConfig& getConfig();
77 
78         /**
79          * Initializes library
80          *
81          * Each process using the library MUST call this function exactly once
82          * before using any library classes. The flag controls whether this is the
83          * "dominant" library or not and can allow the SAML library to be loaded
84          * as an extension of XMLTooling rather than subsuming it.
85          *
86          * @param initXMLTooling true iff this method should initialize the XMLTooling layer
87          * @return true iff initialization was successful
88          */
89         virtual bool init(bool initXMLTooling=true)=0;
90 
91         /**
92          * Shuts down library
93          *
94          * Each process using the library SHOULD call this function exactly once
95          * before terminating itself. The flag controls whether this is the
96          * "dominant" library or not and can allow the SAML library to be loaded
97          * as an extension of XMLTooling rather than subsuming it.
98          *
99          * @param termXMLTooling true iff this method should shutdown the XMLTooling layer
100          */
101         virtual void term(bool termXMLTooling=true)=0;
102 
103         /**
104          * Sets the global ArtifactMap instance.
105          * This method must be externally synchronized with any code that uses the object.
106          * Any previously set object is destroyed.
107          *
108          * @param artifactMap   new ArtifactMap instance to store
109          */
110         void setArtifactMap(ArtifactMap* artifactMap);
111 
112         /**
113          * Returns the global ArtifactMap instance.
114          *
115          * @return  global ArtifactMap or nullptr
116          */
117         ArtifactMap* getArtifactMap() const;
118 
119         /**
120          * Generate random information using the underlying security library
121          *
122          * @param buf   buffer for the information
123          * @param len   number of bytes to write into buffer
124          */
125         virtual void generateRandomBytes(void* buf, unsigned int len)=0;
126 
127         /**
128          * Generate random information using the underlying security library
129          *
130          * @param buf   string buffer for the information
131          * @param len   number of bytes to write into buffer
132          */
133         virtual void generateRandomBytes(std::string& buf, unsigned int len)=0;
134 
135         /**
136          * Generate a valid XML identifier of the form _X{32} where X is a
137          * random hex character. The caller is responsible for freeing the result.
138          *
139          * @return a valid null-terminated XML ID
140          */
141         virtual XMLCh* generateIdentifier()=0;
142 
143         /**
144          * Sets the order of contact types to use in annotating exceptions with contact information.
145          *
146          * @param contactTypes  whitespace-delimited list of contact types
147          */
148         virtual void setContactPriority(const XMLCh* contactTypes)=0;
149 
150         /**
151          * Returns the appropriate contact to use for the entity.
152          *
153          * @param entity    the entity to search
154          * @return  a contact to use, or nullptr
155          */
156         virtual const saml2md::ContactPerson* getContactPerson(const saml2md::EntityDescriptor& entity) const=0;
157 
158         /**
159          * Returns the appropriate contact to use for the role.
160          *
161          * @param role    the role to search
162          * @return  a contact to use, or nullptr
163          */
164         virtual const saml2md::ContactPerson* getContactPerson(const saml2md::RoleDescriptor& role) const=0;
165 
166         /** Manages factories for MessageDecoder plugins. */
167         xmltooling::PluginManager<MessageDecoder,std::string,const xercesc::DOMElement*> MessageDecoderManager;
168 
169         /** Manages factories for MessageEncoder plugins. */
170         xmltooling::PluginManager<MessageEncoder,std::string,const xercesc::DOMElement*> MessageEncoderManager;
171 
172         /** Manages factories for SAMLArtifact plugins. */
173         xmltooling::PluginManager<SAMLArtifact,std::string,const char*> SAMLArtifactManager;
174 
175         /** Manages factories for SecurityPolicyRule plugins. */
176         xmltooling::PluginManager<SecurityPolicyRule,std::string,const xercesc::DOMElement*> SecurityPolicyRuleManager;
177 
178         /** Manages factories for MetadataProvider plugins. */
179         xmltooling::PluginManager<saml2md::MetadataProvider,std::string,const xercesc::DOMElement*> MetadataProviderManager;
180 
181         /** Manages factories for MetadataFilter plugins. */
182         xmltooling::PluginManager<saml2md::MetadataFilter,std::string,const xercesc::DOMElement*> MetadataFilterManager;
183 
184         /** Manages factories for EntityMatcher plugins. */
185         xmltooling::PluginManager<saml2md::EntityMatcher,std::string,const xercesc::DOMElement*> EntityMatcherManager;
186 
187     protected:
188         SAMLConfig();
189 
190         /** Global ArtifactMap instance for use by artifact-related functions. */
191         ArtifactMap* m_artifactMap;
192     };
193 
194 #if defined (_MSC_VER)
195     #pragma warning( pop )
196 #endif
197 
198 };
199 
200 #endif /* __saml_config_h__ */
201