上个问题答案的SamlUtil相关代码
时间: 2024-03-19 10:46:29 浏览: 13
以下是示例代码中使用的SamlUtil类的代码:
```java
import org.apache.commons.codec.binary.Base64;
import org.opensaml.core.xml.XMLObject;
import org.opensaml.core.xml.XMLObjectBuilderFactory;
import org.opensaml.core.xml.config.XMLObjectProviderRegistrySupport;
import org.opensaml.saml.saml2.core.Response;
import org.opensaml.security.crypto.KeySupport;
import org.w3c.dom.Element;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.X509EncodedKeySpec;
public class SamlUtil {
public static Element decodeSAMLResponse(String samlResponse) throws IOException {
byte[] decodedBytes = Base64.decodeBase64(samlResponse);
InputStream in = new ByteArrayInputStream(decodedBytes);
XMLObjectBuilderFactory builderFactory = XMLObjectProviderRegistrySupport.getBuilderFactory();
XMLObject responseXmlObj = builderFactory.getBuilder(Response.DEFAULT_ELEMENT_NAME)
.buildObject(Response.DEFAULT_ELEMENT_NAME);
return responseXmlObj.getDOM().getOwnerDocument().createElementNS(null, "root")
.appendChild(responseXmlObj.getDOM());
}
public static PublicKey readPublicKey(String key) throws NoSuchAlgorithmException, InvalidKeySpecException {
byte[] encodedKey = Base64.decodeBase64(key);
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(encodedKey);
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
return keyFactory.generatePublic(keySpec);
}
public static String generateRandomId() {
byte[] bytes = new byte[20];
KeySupport.generateBytes(bytes);
return Base64.encodeBase64String(bytes);
}
// Other helper methods as needed
}
```
此代码包含了一些常用的SAML处理功能,如解码SAMLResponse和读取公钥。请注意,此示例代码仅供参考,并不是完整的实现。