java SAMLIDPController 代码
时间: 2024-06-08 08:10:28 浏览: 2
以下是一个简单的 Java SAML IDP 控制器代码示例:
```java
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.opensaml.Configuration;
import org.opensaml.common.SAMLObjectBuilder;
import org.opensaml.common.SAMLVersion;
import org.opensaml.common.binding.BasicSAMLMessageContext;
import org.opensaml.common.xml.SAMLConstants;
import org.opensaml.saml2.core.AuthnContextClassRef;
import org.opensaml.saml2.core.AuthnContextComparisonTypeEnumeration;
import org.opensaml.saml2.core.AuthnContextDeclRef;
import org.opensaml.saml2.core.AuthnContextType;
import org.opensaml.saml2.core.AuthnRequest;
import org.opensaml.saml2.core.Issuer;
import org.opensaml.saml2.core.NameIDPolicy;
import org.opensaml.saml2.core.RequestedAuthnContext;
import org.opensaml.saml2.metadata.Endpoint;
import org.opensaml.saml2.metadata.SingleSignOnService;
import org.opensaml.ws.message.encoder.MessageEncodingException;
import org.opensaml.ws.transport.http.HttpServletResponseAdapter;
import org.opensaml.xml.XMLObjectBuilderFactory;
public class SAMLIDPController {
public void sendAuthnRequest(HttpServletRequest request, HttpServletResponse response)
throws MessageEncodingException {
// 获取 SP 的元数据
SPMetadata spMetadata = getSPMetadata();
// 构建 SAML 请求
AuthnRequest authnRequest = buildAuthnRequest(spMetadata);
// 将请求发送到 SP
sendAuthnRequestToSP(authnRequest, spMetadata, response);
}
private SPMetadata getSPMetadata() {
// 获取 SP 的元数据
// 这里可以从本地文件或远程获取
return SPMetadataParser.parse();
}
private AuthnRequest buildAuthnRequest(SPMetadata spMetadata) {
// 创建 SAML 对象工厂
XMLObjectBuilderFactory builderFactory = Configuration.getBuilderFactory();
// 创建 Issuer 对象
SAMLObjectBuilder<Issuer> issuerBuilder = (SAMLObjectBuilder<Issuer>) builderFactory
.getBuilder(Issuer.DEFAULT_ELEMENT_NAME);
Issuer issuer = issuerBuilder.buildObject();
issuer.setValue("http://idp.example.com");
// 创建 NameIDPolicy 对象
SAMLObjectBuilder<NameIDPolicy> nameIDPolicyBuilder = (SAMLObjectBuilder<NameIDPolicy>) builderFactory
.getBuilder(NameIDPolicy.DEFAULT_ELEMENT_NAME);
NameIDPolicy nameIDPolicy = nameIDPolicyBuilder.buildObject();
nameIDPolicy.setFormat("urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified");
nameIDPolicy.setAllowCreate(true);
// 创建 RequestedAuthnContext 对象
SAMLObjectBuilder<RequestedAuthnContext> requestedAuthnContextBuilder = (SAMLObjectBuilder<RequestedAuthnContext>) builderFactory
.getBuilder(RequestedAuthnContext.DEFAULT_ELEMENT_NAME);
RequestedAuthnContext requestedAuthnContext = requestedAuthnContextBuilder.buildObject();
requestedAuthnContext.setComparison(AuthnContextComparisonTypeEnumeration.MINIMUM);
// 创建 AuthnContextClassRef 对象
SAMLObjectBuilder<AuthnContextClassRef> authnContextClassRefBuilder = (SAMLObjectBuilder<AuthnContextClassRef>) builderFactory
.getBuilder(AuthnContextClassRef.DEFAULT_ELEMENT_NAME);
AuthnContextClassRef authnContextClassRef = authnContextClassRefBuilder.buildObject();
authnContextClassRef.setAuthnContextClassRef("urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport");
// 创建 AuthnContextDeclRef 对象
SAMLObjectBuilder<AuthnContextDeclRef> authnContextDeclRefBuilder = (SAMLObjectBuilder<AuthnContextDeclRef>) builderFactory
.getBuilder(AuthnContextDeclRef.DEFAULT_ELEMENT_NAME);
AuthnContextDeclRef authnContextDeclRef = authnContextDeclRefBuilder.buildObject();
authnContextDeclRef.setAuthnContextDeclRef("http://example.com/authn-context");
// 将 AuthnContextClassRef 和 AuthnContextDeclRef 添加到 RequestedAuthnContext 中
requestedAuthnContext.getAuthnContextClassRefs().add(authnContextClassRef);
requestedAuthnContext.getAuthnContextDeclRefs().add(authnContextDeclRef);
// 创建 AuthnRequest 对象
SAMLObjectBuilder<AuthnRequest> authnRequestBuilder = (SAMLObjectBuilder<AuthnRequest>) builderFactory
.getBuilder(AuthnRequest.DEFAULT_ELEMENT_NAME);
AuthnRequest authnRequest = authnRequestBuilder.buildObject();
authnRequest.setID("12345");
authnRequest.setVersion(SAMLVersion.VERSION_20);
authnRequest.setIssueInstant(DateTime.now());
authnRequest.setIssuer(issuer);
authnRequest.setNameIDPolicy(nameIDPolicy);
authnRequest.setRequestedAuthnContext(requestedAuthnContext);
// 设置目标 SSO 服务地址
Endpoint endpoint = spMetadata.getSingleSignOnService(SAMLConstants.SAML2_REDIRECT_BINDING_URI);
authnRequest.setDestination(endpoint.getLocation());
return authnRequest;
}
private void sendAuthnRequestToSP(AuthnRequest authnRequest, SPMetadata spMetadata, HttpServletResponse response)
throws MessageEncodingException {
// 创建 BasicSAMLMessageContext
BasicSAMLMessageContext<SAMLObject, AuthnRequest, Endpoint> messageContext = new BasicSAMLMessageContext<>();
messageContext.setOutboundMessage(authnRequest);
messageContext.setPeerEntityEndpoint(spMetadata.getSingleSignOnService(SAMLConstants.SAML2_REDIRECT_BINDING_URI));
messageContext.setOutboundSAMLMessage(authnRequest);
messageContext.setOutboundSAMLMessageEndpoint(
spMetadata.getSingleSignOnService(SAMLConstants.SAML2_REDIRECT_BINDING_URI));
// 将 SAML 请求发送到 SP
HttpServletResponseAdapter responseAdapter = new HttpServletResponseAdapter(response, true);
SAMLBindingRedirectEncoder encoder = new SAMLBindingRedirectEncoder();
encoder.encode(messageContext, responseAdapter);
}
}
```
注意,这只是一个简单的示例代码,实际使用中可能需要根据具体的需求进行修改和定制。此外,代码中使用了一些第三方库和自定义类,需要进行相应的导入和配置。
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