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17 package edu.internet2.middleware.shibboleth.idp.profile.saml2;
18
19 import org.joda.time.DateTime;
20 import org.opensaml.common.SAMLObject;
21 import org.opensaml.common.SAMLObjectBuilder;
22 import org.opensaml.common.binding.BasicEndpointSelector;
23 import org.opensaml.common.binding.artifact.SAMLArtifactMap;
24 import org.opensaml.common.binding.artifact.SAMLArtifactMap.SAMLArtifactMapEntry;
25 import org.opensaml.common.binding.decoding.SAMLMessageDecoder;
26 import org.opensaml.common.xml.SAMLConstants;
27 import org.opensaml.saml2.binding.SAML2ArtifactMessageContext;
28 import org.opensaml.saml2.core.ArtifactResolve;
29 import org.opensaml.saml2.core.ArtifactResponse;
30 import org.opensaml.saml2.core.NameID;
31 import org.opensaml.saml2.core.Status;
32 import org.opensaml.saml2.core.StatusCode;
33 import org.opensaml.saml2.metadata.AssertionConsumerService;
34 import org.opensaml.saml2.metadata.AttributeAuthorityDescriptor;
35 import org.opensaml.saml2.metadata.Endpoint;
36 import org.opensaml.saml2.metadata.EntityDescriptor;
37 import org.opensaml.saml2.metadata.SPSSODescriptor;
38 import org.opensaml.saml2.metadata.provider.MetadataProvider;
39 import org.opensaml.ws.message.decoder.MessageDecodingException;
40 import org.opensaml.ws.transport.http.HTTPInTransport;
41 import org.opensaml.ws.transport.http.HTTPOutTransport;
42 import org.opensaml.xml.security.SecurityException;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
45
46 import edu.internet2.middleware.shibboleth.common.profile.ProfileException;
47 import edu.internet2.middleware.shibboleth.common.profile.provider.BaseSAMLProfileRequestContext;
48 import edu.internet2.middleware.shibboleth.common.relyingparty.provider.saml2.ArtifactResolutionConfiguration;
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53 public class ArtifactResolution extends AbstractSAML2ProfileHandler {
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56 private final Logger log = LoggerFactory.getLogger(ArtifactResolution.class);
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59 private SAMLArtifactMap artifactMap;
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62 private SAMLObjectBuilder<ArtifactResponse> responseBuilder;
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65 private SAMLObjectBuilder<AssertionConsumerService> acsEndpointBuilder;
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72 public ArtifactResolution(SAMLArtifactMap map) {
73 super();
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75 artifactMap = map;
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77 responseBuilder = (SAMLObjectBuilder<ArtifactResponse>) getBuilderFactory().getBuilder(
78 ArtifactResponse.DEFAULT_ELEMENT_NAME);
79 acsEndpointBuilder = (SAMLObjectBuilder<AssertionConsumerService>) getBuilderFactory().getBuilder(
80 AssertionConsumerService.DEFAULT_ELEMENT_NAME);
81 }
82
83
84 public String getProfileId() {
85 return ArtifactResolutionConfiguration.PROFILE_ID;
86 }
87
88
89 public void processRequest(HTTPInTransport inTransport, HTTPOutTransport outTransport) throws ProfileException {
90 ArtifactResponse samlResponse;
91
92 ArtifactResolutionRequestContext requestContext = new ArtifactResolutionRequestContext();
93 try {
94 decodeRequest(requestContext, inTransport, outTransport);
95
96 if (requestContext.getProfileConfiguration() == null) {
97 log.error("SAML 2 Artifact Resolve profile is not configured for relying party "
98 + requestContext.getInboundMessageIssuer());
99 requestContext.setFailureStatus(buildStatus(StatusCode.SUCCESS_URI, StatusCode.REQUEST_DENIED_URI,
100 "SAML 2 Artifact Resolve profile is not configured for relying party "
101 + requestContext.getInboundMessageIssuer()));
102 throw new ProfileException("SAML 2 Artifact Resolve profile is not configured for relying party "
103 + requestContext.getInboundMessageIssuer());
104 }
105
106 checkSamlVersion(requestContext);
107
108 SAMLArtifactMapEntry artifactEntry = artifactMap.get(requestContext.getArtifact());
109 if (artifactEntry == null || artifactEntry.isExpired()) {
110 log.error("Unknown artifact.");
111 requestContext.setFailureStatus(buildStatus(StatusCode.SUCCESS_URI, StatusCode.REQUEST_DENIED_URI,
112 "Unknown artifact."));
113 }
114
115 if (!artifactEntry.getIssuerId().equals(requestContext.getLocalEntityId())) {
116 log.error("Artifact issuer mismatch. Artifact issued by " + artifactEntry.getIssuerId()
117 + " but IdP has entity ID of " + requestContext.getLocalEntityId());
118 requestContext.setFailureStatus(buildStatus(StatusCode.SUCCESS_URI, StatusCode.REQUEST_DENIED_URI,
119 "Artifact issuer mismatch."));
120 }
121
122 if (!artifactEntry.getRelyingPartyId().equals(requestContext.getInboundMessageIssuer())) {
123 log.error("Artifact requester mismatch. Artifact was issued to " + artifactEntry.getRelyingPartyId()
124 + " but was resolve request came from " + requestContext.getInboundMessageIssuer());
125 requestContext.setFailureStatus(buildStatus(StatusCode.SUCCESS_URI, StatusCode.REQUEST_DENIED_URI,
126 "Artifact requester mismatch."));
127 }
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130 requestContext.setReferencedMessage(artifactEntry.getSamlMessage());
131 samlResponse = buildArtifactResponse(requestContext);
132 } catch (ProfileException e) {
133 samlResponse = buildArtifactErrorResponse(requestContext);
134 }
135
136 requestContext.setOutboundSAMLMessage(samlResponse);
137 requestContext.setOutboundSAMLMessageId(samlResponse.getID());
138 requestContext.setOutboundSAMLMessageIssueInstant(samlResponse.getIssueInstant());
139
140 encodeResponse(requestContext);
141 writeAuditLogEntry(requestContext);
142 }
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153 protected void decodeRequest(ArtifactResolutionRequestContext requestContext, HTTPInTransport inTransport,
154 HTTPOutTransport outTransport) throws ProfileException {
155 log.debug("Decoding message with decoder binding {}", getInboundBinding());
156
157 requestContext.setCommunicationProfileId(getProfileId());
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159 MetadataProvider metadataProvider = getMetadataProvider();
160 requestContext.setMetadataProvider(metadataProvider);
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162 requestContext.setInboundMessageTransport(inTransport);
163 requestContext.setInboundSAMLProtocol(SAMLConstants.SAML20P_NS);
164 requestContext.setSecurityPolicyResolver(getSecurityPolicyResolver());
165 requestContext.setPeerEntityRole(SPSSODescriptor.DEFAULT_ELEMENT_NAME);
166
167 requestContext.setOutboundMessageTransport(outTransport);
168 requestContext.setOutboundSAMLProtocol(SAMLConstants.SAML20P_NS);
169
170 try {
171 SAMLMessageDecoder decoder = getMessageDecoders().get(getInboundBinding());
172 requestContext.setMessageDecoder(decoder);
173 decoder.decode(requestContext);
174 log.debug("Decoded request");
175 } catch (MessageDecodingException e) {
176 log.error("Error decoding artifact resolve message", e);
177 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, null, "Error decoding message"));
178 throw new ProfileException("Error decoding artifact resolve message");
179 } catch (SecurityException e) {
180 log.error("Message did not meet security requirements", e);
181 requestContext.setFailureStatus(buildStatus(StatusCode.RESPONDER_URI, StatusCode.REQUEST_DENIED_URI,
182 "Message did not meet security requirements"));
183 throw new ProfileException("Message did not meet security requirements", e);
184 } finally {
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 }
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202 protected void populateAssertingPartyInformation(BaseSAMLProfileRequestContext requestContext)
203 throws ProfileException {
204 super.populateAssertingPartyInformation(requestContext);
205
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 ArtifactResolve samlMessage = (ArtifactResolve) requestContext.getInboundSAMLMessage();
227 if(samlMessage != null && samlMessage.getArtifact() != null){
228 ((ArtifactResolutionRequestContext) requestContext).setArtifact(samlMessage.getArtifact().getArtifact());
229 }
230 }
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239 protected Endpoint selectEndpoint(BaseSAMLProfileRequestContext requestContext) {
240 Endpoint endpoint;
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242 if (getInboundBinding().equals(SAMLConstants.SAML2_SOAP11_BINDING_URI)) {
243 endpoint = acsEndpointBuilder.buildObject();
244 endpoint.setBinding(SAMLConstants.SAML2_SOAP11_BINDING_URI);
245 } else {
246 BasicEndpointSelector endpointSelector = new BasicEndpointSelector();
247 endpointSelector.setEndpointType(AssertionConsumerService.DEFAULT_ELEMENT_NAME);
248 endpointSelector.setMetadataProvider(getMetadataProvider());
249 endpointSelector.setEntityMetadata(requestContext.getPeerEntityMetadata());
250 endpointSelector.setEntityRoleMetadata(requestContext.getPeerEntityRoleMetadata());
251 endpointSelector.setSamlRequest(requestContext.getInboundSAMLMessage());
252 endpointSelector.getSupportedIssuerBindings().addAll(getSupportedOutboundBindings());
253 endpoint = endpointSelector.selectEndpoint();
254 }
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256 return endpoint;
257 }
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266 protected ArtifactResponse buildArtifactResponse(ArtifactResolutionRequestContext requestContext) {
267 DateTime issueInstant = new DateTime();
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270 ArtifactResponse samlResponse = responseBuilder.buildObject();
271 samlResponse.setIssueInstant(issueInstant);
272 populateStatusResponse(requestContext, samlResponse);
273
274 if (requestContext.getFailureStatus() == null) {
275 Status status = buildStatus(StatusCode.SUCCESS_URI, null, null);
276 samlResponse.setStatus(status);
277 samlResponse.setMessage(requestContext.getReferencedMessage());
278 } else {
279 samlResponse.setStatus(requestContext.getFailureStatus());
280 }
281
282 return samlResponse;
283 }
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292 protected ArtifactResponse buildArtifactErrorResponse(ArtifactResolutionRequestContext requestContext) {
293 ArtifactResponse samlResponse = responseBuilder.buildObject();
294 samlResponse.setIssueInstant(new DateTime());
295 populateStatusResponse(requestContext, samlResponse);
296
297 samlResponse.setStatus(requestContext.getFailureStatus());
298
299 return samlResponse;
300 }
301
302
303 public class ArtifactResolutionRequestContext extends
304 BaseSAML2ProfileRequestContext<ArtifactResolve, ArtifactResponse, ArtifactResolutionConfiguration>
305 implements SAML2ArtifactMessageContext<ArtifactResolve, ArtifactResponse, NameID> {
306
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308 private String artifact;
309
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311 private SAMLObject referencedMessage;
312
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314 public String getArtifact() {
315 return artifact;
316 }
317
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319 public void setArtifact(String saml2Artifact) {
320 this.artifact = saml2Artifact;
321 }
322
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324 public SAMLObject getReferencedMessage() {
325 return referencedMessage;
326 }
327
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329 public void setReferencedMessage(SAMLObject message) {
330 referencedMessage = message;
331 }
332 }
333 }