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17 package edu.internet2.middleware.shibboleth.idp.profile.saml1;
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.saml1.core.AttributeQuery;
26 import org.opensaml.saml1.core.AttributeStatement;
27 import org.opensaml.saml1.core.Request;
28 import org.opensaml.saml1.core.Response;
29 import org.opensaml.saml1.core.Statement;
30 import org.opensaml.saml1.core.StatusCode;
31 import org.opensaml.saml1.core.Subject;
32 import org.opensaml.saml2.metadata.AssertionConsumerService;
33 import org.opensaml.saml2.metadata.AttributeAuthorityDescriptor;
34 import org.opensaml.saml2.metadata.Endpoint;
35 import org.opensaml.saml2.metadata.EntityDescriptor;
36 import org.opensaml.saml2.metadata.SPSSODescriptor;
37 import org.opensaml.saml2.metadata.provider.MetadataProvider;
38 import org.opensaml.ws.message.decoder.MessageDecodingException;
39 import org.opensaml.ws.transport.http.HTTPInTransport;
40 import org.opensaml.ws.transport.http.HTTPOutTransport;
41 import org.opensaml.xml.security.SecurityException;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
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.saml1.AttributeQueryConfiguration;
48 import edu.internet2.middleware.shibboleth.idp.session.AuthenticationMethodInformation;
49 import edu.internet2.middleware.shibboleth.idp.session.Session;
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54 public class AttributeQueryProfileHandler extends AbstractSAML1ProfileHandler {
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57 private final Logger log = LoggerFactory.getLogger(AttributeQueryProfileHandler.class);
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60 private SAMLObjectBuilder<AssertionConsumerService> acsEndpointBuilder;
61
62
63 public AttributeQueryProfileHandler() {
64 super();
65
66 acsEndpointBuilder = (SAMLObjectBuilder<AssertionConsumerService>) getBuilderFactory().getBuilder(
67 AssertionConsumerService.DEFAULT_ELEMENT_NAME);
68 }
69
70
71 public String getProfileId() {
72 return AttributeQueryConfiguration.PROFILE_ID;
73 }
74
75
76 public void processRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport) throws ProfileException {
77 AttributeQueryContext requestContext = new AttributeQueryContext();
78 Response samlResponse;
79 try {
80 decodeRequest(requestContext, inTransport, outTransport);
81
82 if (requestContext.getProfileConfiguration() == null) {
83 log.error("SAML 1 Attribute Query profile is not configured for relying party "
84 + requestContext.getInboundMessageIssuer());
85 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER, StatusCode.REQUEST_DENIED,
86 "SAML 1 Attribute Query profile is not configured for relying party "
87 + requestContext.getInboundMessageIssuer()));
88 samlResponse = buildErrorResponse(requestContext);
89 } else {
90 resolvePrincipal(requestContext);
91
92 Session idpSession = getSessionManager().getSession(requestContext.getPrincipalName());
93 if (idpSession != null) {
94 requestContext.setUserSession(idpSession);
95 AuthenticationMethodInformation authnInfo = idpSession.getAuthenticationMethods().get(
96 requestContext.getInboundMessageIssuer());
97 if (authnInfo != null) {
98 requestContext.setPrincipalAuthenticationMethod(authnInfo.getAuthenticationMethod());
99 }
100 }
101
102 resolveAttributes(requestContext);
103
104 ArrayList<Statement> statements = new ArrayList<Statement>();
105 AttributeStatement attributeStatement = buildAttributeStatement(requestContext,
106 "urn:oasis:names:tc:SAML:1.0:cm:sender-vouches");
107 if (attributeStatement != null) {
108 requestContext.setReleasedAttributes(requestContext.getAttributes().keySet());
109 statements.add(attributeStatement);
110 }
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112 samlResponse = buildResponse(requestContext, statements);
113 }
114 } catch (ProfileException e) {
115 samlResponse = buildErrorResponse(requestContext);
116 }
117
118 requestContext.setOutboundSAMLMessage(samlResponse);
119 requestContext.setOutboundSAMLMessageId(samlResponse.getID());
120 requestContext.setOutboundSAMLMessageIssueInstant(samlResponse.getIssueInstant());
121 encodeResponse(requestContext);
122 writeAuditLogEntry(requestContext);
123 }
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134 protected void decodeRequest(AttributeQueryContext requestContext, HTTPInTransport inTransport,
135 HTTPOutTransport outTransport) throws ProfileException {
136 if (log.isDebugEnabled()) {
137 log.debug("Decoding message with decoder binding {}",
138 getInboundMessageDecoder(requestContext).getBindingURI());
139 }
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141 requestContext.setCommunicationProfileId(getProfileId());
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143 MetadataProvider metadataProvider = getMetadataProvider();
144 requestContext.setMetadataProvider(metadataProvider);
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146 requestContext.setInboundMessageTransport(inTransport);
147 requestContext.setInboundSAMLProtocol(SAMLConstants.SAML11P_NS);
148 requestContext.setSecurityPolicyResolver(getSecurityPolicyResolver());
149 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
150
151 requestContext.setOutboundMessageTransport(outTransport);
152 requestContext.setOutboundSAMLProtocol(SAMLConstants.SAML11P_NS);
153
154 try {
155 SAMLMessageDecoder decoder = getInboundMessageDecoder(requestContext);
156 requestContext.setMessageDecoder(decoder);
157 decoder.decode(requestContext);
158 log.debug("Decoded request");
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160 Request request = requestContext.getInboundSAMLMessage();
161 if (request == null || !(request instanceof Request) || request.getAttributeQuery() == null) {
162 log.error("Incoming message was not an Attribute request");
163 requestContext.setFailureStatus(buildStatus(StatusCode.REQUESTER, null,
164 "Invalid SAML Attribute Request message."));
165 throw new ProfileException("Invalid SAML Attribute Request message.");
166 }
167 } catch (MessageDecodingException e) {
168 log.warn("Error decoding attribute query message", e);
169 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER, null, "Error decoding message"));
170 throw new ProfileException("Error decoding attribute query message", e);
171 } catch (SecurityException e) {
172 log.warn("Message did not meet security requirements", e);
173 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER, StatusCode.REQUEST_DENIED,
174 "Message did not meet security requirements"));
175 throw new ProfileException("Message did not meet security policy requirements", e);
176 } finally {
177
178 populateRequestContext(requestContext);
179 }
180 }
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182
183 protected void populateRelyingPartyInformation(BaseSAMLProfileRequestContext requestContext)
184 throws ProfileException {
185 super.populateRelyingPartyInformation(requestContext);
186
187 EntityDescriptor relyingPartyMetadata = requestContext.getPeerEntityMetadata();
188 if (relyingPartyMetadata != null) {
189 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
190 requestContext.setPeerEntityRoleMetadata(relyingPartyMetadata.getSPSSODescriptor(SAMLConstants.SAML11P_NS));
191 }
192 }
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195 protected void populateAssertingPartyInformation(BaseSAMLProfileRequestContext requestContext)
196 throws ProfileException {
197 super.populateAssertingPartyInformation(requestContext);
198
199 EntityDescriptor localEntityDescriptor = requestContext.getLocalEntityMetadata();
200 if (localEntityDescriptor != null) {
201 requestContext.setLocalEntityRole(AttributeAuthorityDescriptor.DEFAULT_ELEMENT_NAME);
202 requestContext.setLocalEntityRoleMetadata(localEntityDescriptor
203 .getAttributeAuthorityDescriptor(SAMLConstants.SAML11P_NS));
204 }
205 }
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218 protected void populateSAMLMessageInformation(BaseSAMLProfileRequestContext requestContext) throws ProfileException {
219 Request request = (Request) requestContext.getInboundSAMLMessage();
220 if (request == null) {
221 log.error("Decoder did not contain an attribute query, an error occured decoding the message");
222 throw new ProfileException("Unable to decode message.");
223 }
224
225 AttributeQuery query = request.getAttributeQuery();
226 if (query != null) {
227 Subject subject = query.getSubject();
228 if (subject == null) {
229 log.error("Attribute query did not contain a proper subject");
230 ((AttributeQueryContext) requestContext).setFailureStatus(buildStatus(StatusCode.REQUESTER, null,
231 "Attribute query did not contain a proper subject"));
232 throw new ProfileException("Attribute query did not contain a proper subject");
233 }
234 requestContext.setSubjectNameIdentifier(subject.getNameIdentifier());
235 }
236 }
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245 protected Endpoint selectEndpoint(BaseSAMLProfileRequestContext requestContext) {
246 Endpoint endpoint;
247
248 if (getInboundBinding().equals(SAMLConstants.SAML1_SOAP11_BINDING_URI)) {
249 endpoint = acsEndpointBuilder.buildObject();
250 endpoint.setBinding(SAMLConstants.SAML1_SOAP11_BINDING_URI);
251 } else {
252 BasicEndpointSelector endpointSelector = new BasicEndpointSelector();
253 endpointSelector.setEndpointType(AssertionConsumerService.DEFAULT_ELEMENT_NAME);
254 endpointSelector.setMetadataProvider(getMetadataProvider());
255 endpointSelector.setEntityMetadata(requestContext.getPeerEntityMetadata());
256 endpointSelector.setEntityRoleMetadata(requestContext.getPeerEntityRoleMetadata());
257 endpointSelector.setSamlRequest(requestContext.getInboundSAMLMessage());
258 endpointSelector.getSupportedIssuerBindings().addAll(getSupportedOutboundBindings());
259 endpoint = endpointSelector.selectEndpoint();
260 }
261
262 return endpoint;
263 }
264
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266 protected class AttributeQueryContext extends
267 BaseSAML1ProfileRequestContext<Request, Response, AttributeQueryConfiguration> {}
268 }