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17 package edu.internet2.middleware.shibboleth.idp.profile.saml2;
18
19 import java.util.ArrayList;
20
21 import org.opensaml.common.SAMLObjectBuilder;
22 import org.opensaml.common.binding.BasicEndpointSelector;
23 import org.opensaml.common.binding.decoding.SAMLMessageDecoder;
24 import org.opensaml.common.xml.SAMLConstants;
25 import org.opensaml.saml2.core.AttributeQuery;
26 import org.opensaml.saml2.core.AttributeStatement;
27 import org.opensaml.saml2.core.Response;
28 import org.opensaml.saml2.core.Statement;
29 import org.opensaml.saml2.core.StatusCode;
30 import org.opensaml.saml2.core.Subject;
31 import org.opensaml.saml2.metadata.AssertionConsumerService;
32 import org.opensaml.saml2.metadata.AttributeAuthorityDescriptor;
33 import org.opensaml.saml2.metadata.Endpoint;
34 import org.opensaml.saml2.metadata.EntityDescriptor;
35 import org.opensaml.saml2.metadata.SPSSODescriptor;
36 import org.opensaml.saml2.metadata.provider.MetadataProvider;
37 import org.opensaml.ws.message.decoder.MessageDecodingException;
38 import org.opensaml.ws.transport.http.HTTPInTransport;
39 import org.opensaml.ws.transport.http.HTTPOutTransport;
40 import org.opensaml.xml.security.SecurityException;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43
44 import edu.internet2.middleware.shibboleth.common.profile.ProfileException;
45 import edu.internet2.middleware.shibboleth.common.profile.provider.BaseSAMLProfileRequestContext;
46 import edu.internet2.middleware.shibboleth.common.relyingparty.provider.saml2.AttributeQueryConfiguration;
47 import edu.internet2.middleware.shibboleth.idp.session.AuthenticationMethodInformation;
48 import edu.internet2.middleware.shibboleth.idp.session.Session;
49
50
51 public class AttributeQueryProfileHandler extends AbstractSAML2ProfileHandler {
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54 private static Logger log = LoggerFactory.getLogger(AttributeQueryProfileHandler.class);
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57 private SAMLObjectBuilder<AssertionConsumerService> acsEndpointBuilder;
58
59
60 public AttributeQueryProfileHandler() {
61 super();
62
63 acsEndpointBuilder = (SAMLObjectBuilder<AssertionConsumerService>) getBuilderFactory().getBuilder(
64 AssertionConsumerService.DEFAULT_ELEMENT_NAME);
65 }
66
67
68 public String getProfileId() {
69 return AttributeQueryConfiguration.PROFILE_ID;
70 }
71
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73 public void processRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport) throws ProfileException {
74 Response samlResponse;
75
76 AttributeQueryContext requestContext = new AttributeQueryContext();
77
78 try {
79 decodeRequest(requestContext, inTransport, outTransport);
80
81 if (requestContext.getProfileConfiguration() == null) {
82 log.error("SAML 2 Attribute Query profile is not configured for relying party "
83 + requestContext.getInboundMessageIssuer());
84 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.REQUEST_DENIED_URI,
85 "SAML 2 Attribute Query profile is not configured for relying party "
86 + requestContext.getInboundMessageIssuer()));
87 samlResponse = buildErrorResponse(requestContext);
88 } else {
89 checkSamlVersion(requestContext);
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92 resolvePrincipal(requestContext);
93
94 Session idpSession = getSessionManager().getSession(requestContext.getPrincipalName());
95 if (idpSession != null) {
96 AuthenticationMethodInformation authnInfo = idpSession.getAuthenticationMethods().get(
97 requestContext.getInboundMessageIssuer());
98 if (authnInfo != null) {
99 requestContext.setPrincipalAuthenticationMethod(authnInfo.getAuthenticationMethod());
100 }
101 }
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103 resolveAttributes(requestContext);
104 requestContext.setReleasedAttributes(requestContext.getAttributes().keySet());
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107 ArrayList<Statement> statements = new ArrayList<Statement>();
108 AttributeStatement attributeStatement = buildAttributeStatement(requestContext);
109 if (attributeStatement != null) {
110 statements.add(attributeStatement);
111 }
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114 samlResponse = buildResponse(requestContext, "urn:oasis:names:tc:SAML:2.0:cm:sender-vouches",
115 statements);
116 }
117 } catch (ProfileException e) {
118 samlResponse = buildErrorResponse(requestContext);
119 }
120
121 requestContext.setOutboundSAMLMessage(samlResponse);
122 requestContext.setOutboundSAMLMessageId(samlResponse.getID());
123 requestContext.setOutboundSAMLMessageIssueInstant(samlResponse.getIssueInstant());
124
125 encodeResponse(requestContext);
126 writeAuditLogEntry(requestContext);
127 }
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138 protected void decodeRequest(AttributeQueryContext requestContext, HTTPInTransport inTransport,
139 HTTPOutTransport outTransport) throws ProfileException {
140 log.debug("Decoding message with decoder binding {}", getInboundBinding());
141
142 requestContext.setCommunicationProfileId(getProfileId());
143
144 MetadataProvider metadataProvider = getMetadataProvider();
145 requestContext.setMetadataProvider(metadataProvider);
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147 requestContext.setInboundMessageTransport(inTransport);
148 requestContext.setInboundSAMLProtocol(SAMLConstants.SAML20P_NS);
149 requestContext.setSecurityPolicyResolver(getSecurityPolicyResolver());
150 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
151
152 requestContext.setOutboundMessageTransport(outTransport);
153 requestContext.setOutboundSAMLProtocol(SAMLConstants.SAML20P_NS);
154
155 try {
156 SAMLMessageDecoder decoder = getMessageDecoders().get(getInboundBinding());
157 requestContext.setMessageDecoder(decoder);
158 decoder.decode(requestContext);
159 log.debug("Decoded request");
160
161 if (!(requestContext.getInboundSAMLMessage() instanceof AttributeQuery)) {
162 log.error("Incoming message was not a AttributeQuery, it was a {}", requestContext
163 .getInboundSAMLMessage().getClass().getName());
164 requestContext.setFailureStatus(buildStatus(StatusCode.REQUESTER_URI, null,
165 "Invalid SAML AttributeQuery message."));
166 throw new ProfileException("Invalid SAML AttributeQuery message.");
167 }
168 } catch (MessageDecodingException e) {
169 log.error("Error decoding attribute query message", e);
170 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, null, "Error decoding message"));
171 throw new ProfileException("Error decoding attribute query message");
172 } catch (SecurityException e) {
173 log.error("Message did not meet security requirements", e);
174 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.REQUEST_DENIED_URI,
175 "Message did not meet security requirements"));
176 throw new ProfileException("Message did not meet security requirements", e);
177 } finally {
178
179 populateRequestContext(requestContext);
180 }
181 }
182
183
184 protected void populateRelyingPartyInformation(BaseSAMLProfileRequestContext requestContext)
185 throws ProfileException {
186 super.populateRelyingPartyInformation(requestContext);
187
188 EntityDescriptor relyingPartyMetadata = requestContext.getPeerEntityMetadata();
189 if (relyingPartyMetadata != null) {
190 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
191 requestContext.setPeerEntityRoleMetadata(relyingPartyMetadata.getSPSSODescriptor(SAMLConstants.SAML20P_NS));
192 }
193 }
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196 protected void populateAssertingPartyInformation(BaseSAMLProfileRequestContext requestContext)
197 throws ProfileException {
198 super.populateAssertingPartyInformation(requestContext);
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200 EntityDescriptor localEntityDescriptor = requestContext.getLocalEntityMetadata();
201 if (localEntityDescriptor != null) {
202 requestContext.setLocalEntityRole(AttributeAuthorityDescriptor.DEFAULT_ELEMENT_NAME);
203 requestContext.setLocalEntityRoleMetadata(localEntityDescriptor
204 .getAttributeAuthorityDescriptor(SAMLConstants.SAML20P_NS));
205 }
206 }
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219 protected void populateSAMLMessageInformation(BaseSAMLProfileRequestContext requestContext) throws ProfileException {
220 AttributeQuery query = (AttributeQuery) requestContext.getInboundSAMLMessage();
221 if (query != null) {
222 Subject subject = query.getSubject();
223 if (subject == null) {
224 log.error("Attribute query did not contain a proper subject");
225 ((AttributeQueryContext) requestContext).setFailureStatus(buildStatus(StatusCode.REQUESTER_URI, null,
226 "Attribute query did not contain a proper subject"));
227 throw new ProfileException("Attribute query did not contain a proper subject");
228 }
229 requestContext.setSubjectNameIdentifier(subject.getNameID());
230 }
231 }
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240 protected Endpoint selectEndpoint(BaseSAMLProfileRequestContext requestContext) {
241 Endpoint endpoint;
242
243 if (getInboundBinding().equals(SAMLConstants.SAML2_SOAP11_BINDING_URI)) {
244 endpoint = acsEndpointBuilder.buildObject();
245 endpoint.setBinding(SAMLConstants.SAML2_SOAP11_BINDING_URI);
246 } else {
247 BasicEndpointSelector endpointSelector = new BasicEndpointSelector();
248 endpointSelector.setEndpointType(AssertionConsumerService.DEFAULT_ELEMENT_NAME);
249 endpointSelector.setMetadataProvider(getMetadataProvider());
250 endpointSelector.setEntityMetadata(requestContext.getPeerEntityMetadata());
251 endpointSelector.setEntityRoleMetadata(requestContext.getPeerEntityRoleMetadata());
252 endpointSelector.setSamlRequest(requestContext.getInboundSAMLMessage());
253 endpointSelector.getSupportedIssuerBindings().addAll(getSupportedOutboundBindings());
254 endpoint = endpointSelector.selectEndpoint();
255 }
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257 return endpoint;
258 }
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261 protected class AttributeQueryContext extends
262 BaseSAML2ProfileRequestContext<AttributeQuery, Response, AttributeQueryConfiguration> {
263
264 }
265 }