Reorganize dashboard into subfolders

[portal/ric-dashboard.git] / dashboard / webapp-backend / src / main / java / org / oransc / ric / portal / dashboard / util / HttpsURLConnectionUtils.java

diff --git a/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/util/HttpsURLConnectionUtils.java b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/util/HttpsURLConnectionUtils.java
new file mode 100644 (file)
index 0000000..c4cb055
--- /dev/null
+++ b/dashboard/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/util/HttpsURLConnectionUtils.java
@@ -0,0 +1,80 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * 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.CertificateException;
+import java.security.cert.X509Certificate;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+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 = (hostname, sslSession) -> true;
+
+       private static final TrustManager[] UNQUESTIONING_TRUST_MANAGER = new TrustManager[] { new X509TrustManager() {
+               public java.security.cert.X509Certificate[] getAcceptedIssuers() {
+                       return new java.security.cert.X509Certificate[0];
+               }
+
+               public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+                       // empty implementation
+               }
+
+               public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+                       // empty implementation
+               }
+       } };
+
+       public static void turnOffSslChecking() throws NoSuchAlgorithmException, KeyManagementException {
+               HttpsURLConnection.setDefaultHostnameVerifier(trivialHostnameVerifier);
+               // Install the all-trusting trust manager
+               SSLContext sc = SSLContext.getInstance("TLS");
+               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("TLS");
+               sc.init(null, null, null);
+               HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
+       }
+
+       private HttpsURLConnectionUtils() {
+               throw new UnsupportedOperationException("Do not instantiate libraries.");
+       }
+}