sonar fixes and junits

Change-Id: I105406b73b55d0c4befad1c8120752079837abd3
Issue-ID: DCAEGEN2-957
Signed-off-by: piotr.karas <piotr.karas@nokia.com>

6 files changed, 90 insertions, 6 deletions

diff --git a/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/ssl/SslFactory.java b/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/ssl/SslFactory.java
index 891bcb73..60e1224e 100644
--- a/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/ssl/SslFactory.java
+++ b/prh-commons/src/main/java/org/onap/dcaegen2/services/prh/ssl/SslFactory.java
@@ -24,9 +24,12 @@ import io.netty.handler.ssl.SslContext;
 import io.netty.handler.ssl.SslContextBuilder;
 import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
 import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.io.InputStream;
 import java.nio.file.Files;
 import java.nio.file.Paths;
+import java.security.GeneralSecurityException;
 import java.security.KeyStore;
 import javax.net.ssl.KeyManagerFactory;
 import javax.net.ssl.SSLException;
@@ -38,6 +41,15 @@ public class SslFactory {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(SslFactory.class);
 
+    /**
+     * Function for creating secure ssl context.
+     *
+     * @param keyStorePath - path to file with keystore
+     * @param keyStorePasswordPath - path to file with keystore password
+     * @param trustStorePath - path to file with truststore
+     * @param trustStorePasswordPath - path to file with truststore password
+     * @return configured ssl context
+     */
     public SslContext createSecureContext(String keyStorePath,
         String keyStorePasswordPath,
         String trustStorePath,
@@ -49,11 +61,16 @@ public class SslFactory {
                 .keyManager(keyManagerFactory(keyStorePath, loadPasswordFromFile(keyStorePasswordPath)))
                 .trustManager(trustManagerFactory(trustStorePath, loadPasswordFromFile(trustStorePasswordPath)))
                 .build();
-        } catch (Exception ex) {
+        } catch (GeneralSecurityException | IOException ex) {
             throw new SSLException(ex);
         }
     }
 
+    /**
+     * Function for creating insecure ssl context.
+     *
+     * @return configured insecure ssl context
+     */
     public SslContext createInsecureContext() throws SSLException {
         LOGGER.info("Creating insecure ssl context");
         return SslContextBuilder
@@ -62,30 +79,33 @@ public class SslFactory {
             .build();
     }
 
-    private KeyManagerFactory keyManagerFactory(String path, String password) throws Exception {
+    private KeyManagerFactory keyManagerFactory(String path, String password)
+            throws GeneralSecurityException, IOException {
         KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
         kmf.init(loadKeyStoreFromFile(path, password),
             password.toCharArray());
         return kmf;
     }
 
-    private TrustManagerFactory trustManagerFactory(String path, String password) throws Exception {
+    private TrustManagerFactory trustManagerFactory(String path, String password)
+            throws GeneralSecurityException, IOException {
         TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
         tmf.init(loadKeyStoreFromFile(path, password));
         return tmf;
     }
 
-    private KeyStore loadKeyStoreFromFile(String path, String keyStorePassword) throws Exception {
+    private KeyStore loadKeyStoreFromFile(String path, String keyStorePassword)
+            throws GeneralSecurityException, IOException {
         KeyStore ks = KeyStore.getInstance("jks");
         ks.load(getResource(path), keyStorePassword.toCharArray());
         return ks;
     }
 
-    private InputStream getResource(String path) throws Exception {
+    private InputStream getResource(String path) throws FileNotFoundException {
         return new FileInputStream(path);
     }
 
-    private String loadPasswordFromFile(String path) throws Exception {
+    private String loadPasswordFromFile(String path) throws IOException {
         return new String(Files.readAllBytes(Paths.get(path)));
     }
 }
diff --git a/prh-commons/src/test/java/org/onap/dcaegen2/services/prh/ssl/SslFactoryTest.java b/prh-commons/src/test/java/org/onap/dcaegen2/services/prh/ssl/SslFactoryTest.java
new file mode 100644
index 00000000..dbd63911
--- /dev/null
+++ b/prh-commons/src/test/java/org/onap/dcaegen2/services/prh/ssl/SslFactoryTest.java
@@ -0,0 +1,62 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.onap.dcaegen2.services.prh.ssl;
+
+import javax.net.ssl.SSLException;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+
+class SslFactoryTest {
+
+    private static final String KEY_STORE = "org.onap.dcae.jks";
+    private static final String KEYSTORE_PASSWORD = "keystore.password";
+    private static final String TRUSTSTORE_PASSWORD = "truststore.password";
+    private static final String TRUST_STORE = "org.onap.dcae.trust.jks";
+    private SslFactory sslFactory = new SslFactory();
+
+    @Test
+    void shouldCreateInsecureContext() throws SSLException {
+        Assertions.assertNotNull(sslFactory.createInsecureContext());
+    }
+
+    @Test
+    void shouldCreateSecureContext() throws SSLException {
+        Assertions.assertNotNull(sslFactory.createSecureContext(
+                getPath(KEY_STORE),
+                getPath(KEYSTORE_PASSWORD),
+                getPath(TRUST_STORE),
+                getPath(TRUSTSTORE_PASSWORD)));
+    }
+
+    @Test
+    void shouldThrowSslExceptionWhenKeystorePasswordIsIncorrect() {
+        Assertions.assertThrows(SSLException.class, () -> sslFactory.createSecureContext(
+                getPath(KEY_STORE),
+                getPath(TRUSTSTORE_PASSWORD),
+                getPath(TRUST_STORE),
+                getPath(TRUSTSTORE_PASSWORD)));
+    }
+
+    private String getPath(String fileName) {
+        return this.getClass().getClassLoader().getResource(fileName).getPath();
+    }
+}
\ No newline at end of file
diff --git a/prh-commons/src/test/resources/keystore.password b/prh-commons/src/test/resources/keystore.password
new file mode 100644
index 00000000..39823872
--- /dev/null
+++ b/prh-commons/src/test/resources/keystore.password
@@ -0,0 +1 @@
+mYHC98!qX}7h?W}jRv}MIXTJ
\ No newline at end of file
diff --git a/prh-commons/src/test/resources/org.onap.dcae.jks b/prh-commons/src/test/resources/org.onap.dcae.jks
new file mode 100644
index 00000000..e74ce64f
--- /dev/null
+++ b/prh-commons/src/test/resources/org.onap.dcae.jks
diff --git a/prh-commons/src/test/resources/org.onap.dcae.trust.jks b/prh-commons/src/test/resources/org.onap.dcae.trust.jks
new file mode 100644
index 00000000..10103cfb
--- /dev/null
+++ b/prh-commons/src/test/resources/org.onap.dcae.trust.jks
diff --git a/prh-commons/src/test/resources/truststore.password b/prh-commons/src/test/resources/truststore.password
new file mode 100644
index 00000000..168e64bd
--- /dev/null
+++ b/prh-commons/src/test/resources/truststore.password
@@ -0,0 +1 @@
+*TQH?Lnszprs4LmlAj38yds(
\ No newline at end of file