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17 package org.opensaml.ws.security.provider;
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19 import org.opensaml.ws.message.MessageContext;
20 import org.opensaml.ws.security.SecurityPolicyException;
21 import org.opensaml.ws.security.SecurityPolicyRule;
22 import org.opensaml.ws.transport.http.HTTPTransport;
23 import org.opensaml.xml.util.DatatypeHelper;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
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30 public class HTTPRule implements SecurityPolicyRule {
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33 private final Logger log = LoggerFactory.getLogger(HTTPRule.class);
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36 private String requiredContentType;
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39 private String requiredRequestMethod;
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42 private boolean requireSecured;
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51 public HTTPRule(String type, String method, boolean secured) {
52 requiredContentType = DatatypeHelper.safeTrimOrNullString(type);
53 requiredRequestMethod = DatatypeHelper.safeTrimOrNullString(method);
54 requireSecured = secured;
55 }
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58 public void evaluate(MessageContext messageContext) throws SecurityPolicyException {
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60 if (!(messageContext.getInboundMessageTransport() instanceof HTTPTransport)) {
61 log.debug("Message context was did not contain an HTTP transport, unable to evaluate security rule");
62 return;
63 }
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65 doEvaluate(messageContext);
66 }
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76 protected void doEvaluate(MessageContext messageContext) throws SecurityPolicyException {
77 HTTPTransport transport = (HTTPTransport) messageContext.getInboundMessageTransport();
78 evaluateContentType(transport);
79 evaluateRequestMethod(transport);
80 evaluateSecured(transport);
81 }
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90 protected void evaluateContentType(HTTPTransport transport) throws SecurityPolicyException {
91 String transportContentType = transport.getHeaderValue("Content-Type");
92 if (requiredContentType != null && !transportContentType.startsWith(requiredContentType)) {
93 log.error("Invalid content type, expected " + requiredContentType + " but was " + transportContentType);
94 throw new SecurityPolicyException("Invalid content type, expected " + requiredContentType + " but was "
95 + transportContentType);
96 }
97 }
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106 protected void evaluateRequestMethod(HTTPTransport transport) throws SecurityPolicyException {
107 String transportMethod = transport.getHTTPMethod();
108 if (requiredRequestMethod != null && !transportMethod.equalsIgnoreCase(requiredRequestMethod)) {
109 log.error("Invalid request method, expected " + requiredRequestMethod + " but was " + transportMethod);
110 throw new SecurityPolicyException("Invalid request method, expected " + requiredRequestMethod + " but was "
111 + transportMethod);
112 }
113 }
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122 protected void evaluateSecured(HTTPTransport transport) throws SecurityPolicyException {
123 if (requireSecured && !transport.isConfidential()) {
124 log.error("Request was required to be secured but was not");
125 throw new SecurityPolicyException("Request was required to be secured but was not");
126 }
127 }
128 }