Fix weak-cryptography issues

Fix the weak-cryptography issues identified in sonarcloud.

Issue-ID: SDC-3495
Change-Id: I0e65c9ad2fa2dda1ffc2c527cc220b9de7a6f217
Signed-off-by: xuegao <xue.gao@intl.att.com>

1 files changed, 55 insertions, 13 deletions

diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/vendor-software-products-rest/vnf-repository-rest-services/src/main/java/org/openecomp/sdcrests/vsp/rest/services/VnfPackageRepositoryImpl.java b/openecomp-be/api/openecomp-sdc-rest-webapp/vendor-software-products-rest/vnf-repository-rest-services/src/main/java/org/openecomp/sdcrests/vsp/rest/services/VnfPackageRepositoryImpl.java
index 88ee6fa43d..17ee57001e 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/vendor-software-products-rest/vnf-repository-rest-services/src/main/java/org/openecomp/sdcrests/vsp/rest/services/VnfPackageRepositoryImpl.java
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/vendor-software-products-rest/vnf-repository-rest-services/src/main/java/org/openecomp/sdcrests/vsp/rest/services/VnfPackageRepositoryImpl.java
@@ -23,7 +23,10 @@ import static org.openecomp.core.utilities.file.FileUtils.getNetworkPackageName;
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
 import java.security.KeyManagementException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
 import java.security.cert.X509Certificate;
 import java.util.List;
 import java.util.Objects;
@@ -31,6 +34,7 @@ import java.util.Optional;
 import javax.inject.Named;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
 import javax.net.ssl.X509TrustManager;
 import javax.ws.rs.client.Client;
 import javax.ws.rs.client.ClientBuilder;
@@ -73,29 +77,67 @@ import org.springframework.stereotype.Service;
 public class VnfPackageRepositoryImpl implements VnfPackageRepository {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(VnfPackageRepositoryImpl.class);
-    private static final Client CLIENT = ignoreSSLClient();
+    private static final Client CLIENT = trustSSLClient();
 
-    private static Client ignoreSSLClient() {
+    private static Client trustSSLClient() {
         try {
             SSLContext sslcontext = SSLContext.getInstance("TLS");
-            sslcontext.init(null, new TrustManager[]{new X509TrustManager() {
-                public void checkClientTrusted(X509Certificate[] c, String s) {
-                }
-
-                public void checkServerTrusted(X509Certificate[] c, String s) {
-                }
+            sslcontext.init(null, new TrustManager[]{new MyTrustManager()}, new java.security.SecureRandom());
+            return ClientBuilder.newBuilder().sslContext(sslcontext).hostnameVerifier((requestedHost, remoteServerSession)
+                    -> requestedHost.equalsIgnoreCase(remoteServerSession.getPeerHost())).build();
 
-                public X509Certificate[] getAcceptedIssuers() {
-                    return new X509Certificate[0];
-                }
-            }}, new java.security.SecureRandom());
-            return ClientBuilder.newBuilder().sslContext(sslcontext).hostnameVerifier((a, b) -> true).build();
         } catch (NoSuchAlgorithmException | KeyManagementException e) {
             LOGGER.error("Failed to initialize SSL unsecure context", e);
         }
         return ClientBuilder.newClient();
     }
 
+    private static class MyTrustManager implements X509TrustManager {
+        TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+        private MyTrustManager() throws NoSuchAlgorithmException {
+        }
+
+        @Override
+        public X509Certificate[] getAcceptedIssuers() {
+            return new X509Certificate[] {};
+        }
+
+        @Override
+        public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+            X509TrustManager x509Tm = getDefaultTrustManager(tmf);
+            if(x509Tm == null) {
+                throw new CertificateException("No X509TrustManager found");
+            }
+            x509Tm.checkServerTrusted(certs, authType);
+        }
+
+        @Override
+        public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+            X509TrustManager x509Tm = getDefaultTrustManager(tmf);
+            if(x509Tm == null) {
+                throw new CertificateException("No X509TrustManager found");
+            }
+            x509Tm.checkClientTrusted(certs, authType);
+        }
+
+        private X509TrustManager getDefaultTrustManager(TrustManagerFactory tmf) {
+            try {
+                tmf.init((KeyStore)null);
+            } catch (KeyStoreException e) {
+                throw new IllegalStateException(e);
+            }
+            X509TrustManager x509Tm = null;
+            for(TrustManager tm: tmf.getTrustManagers())
+            {
+                if(tm instanceof X509TrustManager) {
+                    x509Tm = (X509TrustManager) tm;
+                    break;
+                }
+            }
+            return x509Tm;
+        }
+    }
+
     private final Configuration config;
 
     public VnfPackageRepositoryImpl(Configuration config) {