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Support multiple SingleLogoutService bindings.
Closes gh-11286
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60 changes: 60 additions & 0 deletions
60
...k/security/saml2/provider/service/web/authentication/logout/Saml2MessageBindingUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * Copyright 2002-2022 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.springframework.security.saml2.provider.service.web.authentication.logout; | ||
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| import jakarta.servlet.http.HttpServletRequest; | ||
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| import org.springframework.security.saml2.Saml2Exception; | ||
| import org.springframework.security.saml2.core.Saml2ParameterNames; | ||
| import org.springframework.security.saml2.provider.service.registration.Saml2MessageBinding; | ||
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| /** | ||
| * Utility methods for working with {@link Saml2MessageBinding} | ||
| * | ||
| * For internal use only. | ||
| * | ||
| * @since 5.8 | ||
| */ | ||
| final class Saml2MessageBindingUtils { | ||
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| private Saml2MessageBindingUtils() { | ||
| } | ||
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| static Saml2MessageBinding resolveBinding(HttpServletRequest request) { | ||
| if (isHttpPostBinding(request)) { | ||
| return Saml2MessageBinding.POST; | ||
| } | ||
| else if (isHttpRedirectBinding(request)) { | ||
| return Saml2MessageBinding.REDIRECT; | ||
| } | ||
| throw new Saml2Exception("Unable to determine message binding from request."); | ||
| } | ||
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| private static boolean isSamlRequestResponse(HttpServletRequest request) { | ||
| return (request.getParameter(Saml2ParameterNames.SAML_REQUEST) != null | ||
| || request.getParameter(Saml2ParameterNames.SAML_RESPONSE) != null); | ||
| } | ||
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| static boolean isHttpRedirectBinding(HttpServletRequest request) { | ||
| return request != null && "GET".equalsIgnoreCase(request.getMethod()) && isSamlRequestResponse(request); | ||
| } | ||
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| static boolean isHttpPostBinding(HttpServletRequest request) { | ||
| return request != null && "POST".equalsIgnoreCase(request.getMethod()) && isSamlRequestResponse(request); | ||
| } | ||
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| } |