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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 import org.slf4j.helpers.MessageFormatter;
44
45 import edu.internet2.middleware.shibboleth.common.profile.ProfileException;
46 import edu.internet2.middleware.shibboleth.common.profile.provider.BaseSAMLProfileRequestContext;
47 import edu.internet2.middleware.shibboleth.common.relyingparty.provider.saml2.AttributeQueryConfiguration;
48 import edu.internet2.middleware.shibboleth.idp.session.AuthenticationMethodInformation;
49 import edu.internet2.middleware.shibboleth.idp.session.Session;
50
51
52 public class AttributeQueryProfileHandler extends AbstractSAML2ProfileHandler {
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55 private static Logger log = LoggerFactory.getLogger(AttributeQueryProfileHandler.class);
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58 private SAMLObjectBuilder<AssertionConsumerService> acsEndpointBuilder;
59
60
61 public AttributeQueryProfileHandler() {
62 super();
63
64 acsEndpointBuilder = (SAMLObjectBuilder<AssertionConsumerService>) getBuilderFactory().getBuilder(
65 AssertionConsumerService.DEFAULT_ELEMENT_NAME);
66 }
67
68
69 public String getProfileId() {
70 return AttributeQueryConfiguration.PROFILE_ID;
71 }
72
73
74 public void processRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport) throws ProfileException {
75 Response samlResponse;
76
77 AttributeQueryContext requestContext = new AttributeQueryContext();
78
79 try {
80 decodeRequest(requestContext, inTransport, outTransport);
81
82 if (requestContext.getProfileConfiguration() == null) {
83 String msg = MessageFormatter.format(
84 "SAML 2 Attribute Query profile is not configured for relying party '{}'", requestContext
85 .getInboundMessage());
86 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.REQUEST_DENIED_URI,
87 msg));
88 log.warn(msg);
89 samlResponse = buildErrorResponse(requestContext);
90 } else {
91 checkSamlVersion(requestContext);
92
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94 resolvePrincipal(requestContext);
95
96 Session idpSession = getSessionManager().getSession(requestContext.getPrincipalName());
97 if (idpSession != null) {
98 AuthenticationMethodInformation authnInfo = idpSession.getAuthenticationMethods().get(
99 requestContext.getInboundMessageIssuer());
100 if (authnInfo != null) {
101 requestContext.setPrincipalAuthenticationMethod(authnInfo.getAuthenticationMethod());
102 }
103 }
104
105 resolveAttributes(requestContext);
106 requestContext.setReleasedAttributes(requestContext.getAttributes().keySet());
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109 ArrayList<Statement> statements = new ArrayList<Statement>();
110 AttributeStatement attributeStatement = buildAttributeStatement(requestContext);
111 if (attributeStatement != null) {
112 statements.add(attributeStatement);
113 }
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116 samlResponse = buildResponse(requestContext, "urn:oasis:names:tc:SAML:2.0:cm:sender-vouches",
117 statements);
118 }
119 } catch (ProfileException e) {
120 samlResponse = buildErrorResponse(requestContext);
121 }
122
123 requestContext.setOutboundSAMLMessage(samlResponse);
124 requestContext.setOutboundSAMLMessageId(samlResponse.getID());
125 requestContext.setOutboundSAMLMessageIssueInstant(samlResponse.getIssueInstant());
126
127 encodeResponse(requestContext);
128 writeAuditLogEntry(requestContext);
129 }
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140 protected void decodeRequest(AttributeQueryContext requestContext, HTTPInTransport inTransport,
141 HTTPOutTransport outTransport) throws ProfileException {
142 if (log.isDebugEnabled()) {
143 log.debug("Decoding message with decoder binding '{}'",
144 getInboundMessageDecoder(requestContext).getBindingURI());
145 }
146
147 requestContext.setCommunicationProfileId(getProfileId());
148
149 MetadataProvider metadataProvider = getMetadataProvider();
150 requestContext.setMetadataProvider(metadataProvider);
151
152 requestContext.setInboundMessageTransport(inTransport);
153 requestContext.setInboundSAMLProtocol(SAMLConstants.SAML20P_NS);
154 requestContext.setSecurityPolicyResolver(getSecurityPolicyResolver());
155 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
156
157 requestContext.setOutboundMessageTransport(outTransport);
158 requestContext.setOutboundSAMLProtocol(SAMLConstants.SAML20P_NS);
159
160 try {
161 SAMLMessageDecoder decoder = getInboundMessageDecoder(requestContext);
162 requestContext.setMessageDecoder(decoder);
163 decoder.decode(requestContext);
164 log.debug("Decoded request from relying party '{}'", requestContext.getInboundMessage());
165
166 if (!(requestContext.getInboundSAMLMessage() instanceof AttributeQuery)) {
167 log.warn("Incoming message was not a AttributeQuery, it was a {}", requestContext
168 .getInboundSAMLMessage().getClass().getName());
169 requestContext.setFailureStatus(buildStatus(StatusCode.REQUESTER_URI, null,
170 "Invalid SAML AttributeQuery message."));
171 throw new ProfileException("Invalid SAML AttributeQuery message.");
172 }
173 } catch (MessageDecodingException e) {
174 String msg = "Error decoding attribute query message";
175 log.warn(msg, e);
176 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, null, msg));
177 throw new ProfileException(msg);
178 } catch (SecurityException e) {
179 String msg = "Message did not meet security requirements";
180 log.warn(msg, e);
181 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.REQUEST_DENIED_URI, msg));
182 throw new ProfileException(msg, e);
183 } finally {
184
185 populateRequestContext(requestContext);
186 }
187 }
188
189
190 protected void populateRelyingPartyInformation(BaseSAMLProfileRequestContext requestContext)
191 throws ProfileException {
192 super.populateRelyingPartyInformation(requestContext);
193
194 EntityDescriptor relyingPartyMetadata = requestContext.getPeerEntityMetadata();
195 if (relyingPartyMetadata != null) {
196 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
197 requestContext.setPeerEntityRoleMetadata(relyingPartyMetadata.getSPSSODescriptor(SAMLConstants.SAML20P_NS));
198 }
199 }
200
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202 protected void populateAssertingPartyInformation(BaseSAMLProfileRequestContext requestContext)
203 throws ProfileException {
204 super.populateAssertingPartyInformation(requestContext);
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206 EntityDescriptor localEntityDescriptor = requestContext.getLocalEntityMetadata();
207 if (localEntityDescriptor != null) {
208 requestContext.setLocalEntityRole(AttributeAuthorityDescriptor.DEFAULT_ELEMENT_NAME);
209 requestContext.setLocalEntityRoleMetadata(localEntityDescriptor
210 .getAttributeAuthorityDescriptor(SAMLConstants.SAML20P_NS));
211 }
212 }
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225 protected void populateSAMLMessageInformation(BaseSAMLProfileRequestContext requestContext) throws ProfileException {
226 AttributeQuery query = (AttributeQuery) requestContext.getInboundSAMLMessage();
227 if (query != null) {
228 Subject subject = query.getSubject();
229 if (subject == null) {
230 String msg = "Attribute query did not contain a proper subject";
231 log.warn(msg);
232 ((AttributeQueryContext) requestContext).setFailureStatus(buildStatus(StatusCode.REQUESTER_URI, null,
233 msg));
234 throw new ProfileException(msg);
235 }
236 requestContext.setSubjectNameIdentifier(subject.getNameID());
237 }
238 }
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247 protected Endpoint selectEndpoint(BaseSAMLProfileRequestContext requestContext) {
248 Endpoint endpoint;
249
250 if (getInboundBinding().equals(SAMLConstants.SAML2_SOAP11_BINDING_URI)) {
251 endpoint = acsEndpointBuilder.buildObject();
252 endpoint.setBinding(SAMLConstants.SAML2_SOAP11_BINDING_URI);
253 } else {
254 BasicEndpointSelector endpointSelector = new BasicEndpointSelector();
255 endpointSelector.setEndpointType(AssertionConsumerService.DEFAULT_ELEMENT_NAME);
256 endpointSelector.setMetadataProvider(getMetadataProvider());
257 endpointSelector.setEntityMetadata(requestContext.getPeerEntityMetadata());
258 endpointSelector.setEntityRoleMetadata(requestContext.getPeerEntityRoleMetadata());
259 endpointSelector.setSamlRequest(requestContext.getInboundSAMLMessage());
260 endpointSelector.getSupportedIssuerBindings().addAll(getSupportedOutboundBindings());
261 endpoint = endpointSelector.selectEndpoint();
262 }
263
264 return endpoint;
265 }
266
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268 protected class AttributeQueryContext extends
269 BaseSAML2ProfileRequestContext<AttributeQuery, Response, AttributeQueryConfiguration> {
270
271 }
272 }