spring security TransitiveDependencyLookupUtils 源码
spring security TransitiveDependencyLookupUtils 代码
文件路径：/buildSrc/src/main/java/org/springframework/security/convention/versions/TransitiveDependencyLookupUtils.java
/*
* Copyright 2019-2020 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.
*/
package org.springframework.security.convention.versions;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import java.io.IOException;
import java.io.InputStream;
class TransitiveDependencyLookupUtils {
static String OIDC_SDK_NAME = "oauth2-oidc-sdk";
static String NIMBUS_JOSE_JWT_NAME = "nimbus-jose-jwt";
private static OkHttpClient client = new OkHttpClient();
static String lookupJwtVersion(String oauthSdcVersion) {
Request request = new Request.Builder()
.get()
.url("https://repo.maven.apache.org/maven2/com/nimbusds/" + OIDC_SDK_NAME + "/" + oauthSdcVersion + "/" + OIDC_SDK_NAME + "-" + oauthSdcVersion + ".pom")
.build();
try (Response response = client.newCall(request).execute()) {
if (!response.isSuccessful()) {
throw new IOException("Unexpected code " + response);
}
InputStream inputStream = response.body().byteStream();
return getVersion(inputStream);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private static String getVersion(InputStream inputStream) throws ParserConfigurationException, IOException, SAXException, XPathExpressionException {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(inputStream);
doc.getDocumentElement().normalize();
XPath xPath = XPathFactory.newInstance().newXPath();
return xPath.evaluate("/project/dependencies/dependency/version[../artifactId/text() = \"" + NIMBUS_JOSE_JWT_NAME + "\"]", doc);
}
}
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