+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property and Nokia
+ * %%
+ * 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
+ *
+ * http://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.
+ * ========================LICENSE_END===================================
+ */
+
+package org.oransc.ric.portal.dashboard.util;
+
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.X509Certificate;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+/**
+ * Disables and enables certificate and host-name checking in
+ * HttpsURLConnection, the default JVM implementation of the HTTPS/TLS protocol.
+ * Has no effect on implementations such as Apache Http Client, Ok Http.
+ *
+ * https://stackoverflow.com/questions/23504819/how-to-disable-ssl-certificate-checking-with-spring-resttemplate/58291331#58291331
+ */
+public final class HttpsURLConnectionUtils {
+
+ private static final HostnameVerifier jvmHostnameVerifier = HttpsURLConnection.getDefaultHostnameVerifier();
+
+ private static final HostnameVerifier trivialHostnameVerifier = new HostnameVerifier() {
+ public boolean verify(String hostname, SSLSession sslSession) {
+ return true;
+ }
+ };
+
+ private static final TrustManager[] UNQUESTIONING_TRUST_MANAGER = new TrustManager[] { new X509TrustManager() {
+ public java.security.cert.X509Certificate[] getAcceptedIssuers() {
+ return null;
+ }
+
+ public void checkClientTrusted(X509Certificate[] certs, String authType) {
+ }
+
+ public void checkServerTrusted(X509Certificate[] certs, String authType) {
+ }
+ } };
+
+ public static void turnOffSslChecking() throws NoSuchAlgorithmException, KeyManagementException {
+ HttpsURLConnection.setDefaultHostnameVerifier(trivialHostnameVerifier);
+ // Install the all-trusting trust manager
+ SSLContext sc = SSLContext.getInstance("SSL");
+ sc.init(null, UNQUESTIONING_TRUST_MANAGER, null);
+ HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
+ }
+
+ public static void turnOnSslChecking() throws KeyManagementException, NoSuchAlgorithmException {
+ HttpsURLConnection.setDefaultHostnameVerifier(jvmHostnameVerifier);
+ // Return it to the initial state (discovered by reflection, now hardcoded)
+ SSLContext sc = SSLContext.getInstance("SSL");
+ sc.init(null, null, null);
+ HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
+ }
+
+ private HttpsURLConnectionUtils() {
+ throw new UnsupportedOperationException("Do not instantiate libraries.");
+ }
+}
\ No newline at end of file