AAI tasks added

- aaiClients spllitted for consuming and producing
- http removed from names of all clients and interfaces
- HttpRequestDetails added as a second parameter for tasks
- parameters required from dmaap consumer
 - pnf-name for URI (get request -> aaiConsumer)
 - pnf-name and ipv4-oam (and or ipv6-oam)
   (patch request -> aaiProducer)

Change-Id: I87a1b46ab419cd00e9573e08c4d89cb384dd75b5
Issue-ID: DCAEGEN2-451
Signed-off-by: pwielebs <piotr.wielebski@nokia.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIClientImpl.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIClientImpl.java
new file mode 100644
index 00000000..c2b40b9a
--- /dev/null
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIClientImpl.java
@@ -0,0 +1,93 @@
+/*-
+ * ============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.service;
+
+import org.apache.http.auth.AuthScope;
+import org.apache.http.auth.Credentials;
+import org.apache.http.auth.UsernamePasswordCredentials;
+import org.apache.http.client.CredentialsProvider;
+import org.apache.http.conn.ssl.NoopHostnameVerifier;
+import org.apache.http.impl.client.BasicCredentialsProvider;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.ssl.SSLContextBuilder;
+import org.apache.http.ssl.TrustStrategy;
+import org.onap.dcaegen2.services.config.AAIClientConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.security.KeyManagementException;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+
+public class AAIClientImpl implements AAIClient {
+
+    Logger logger = LoggerFactory.getLogger(AAIClientImpl.class);
+
+    private AAIClientConfiguration aaiHttpClientConfig;
+
+    @Autowired
+    public AAIClientImpl(AAIClientConfiguration aaiHttpClientConfiguration) {
+        this.aaiHttpClientConfig = aaiHttpClientConfiguration;
+    }
+
+    @Override
+    public CloseableHttpClient getAAIHttpClient() {
+
+        final HttpClientBuilder httpClientBuilder = HttpClients.custom().useSystemProperties();
+        final boolean aaiIgnoreSSLCertificateErrors = aaiHttpClientConfig.aaiIgnoreSSLCertificateErrors();
+
+        TrustStrategy acceptingTrustStrategy = (cert, authType) -> true;
+
+        if (aaiIgnoreSSLCertificateErrors) {
+            try {
+                logger.info("Setting SSL Context for AAI HTTP Client");
+                httpClientBuilder.setSSLContext(new SSLContextBuilder()
+                        .loadTrustMaterial(null, acceptingTrustStrategy)
+                        .build());
+
+            } catch (NoSuchAlgorithmException | KeyStoreException |  KeyManagementException e )  {
+                logger.error("Exception while setting SSL Context for AAI HTTP Client: {}", e);
+            }
+
+            httpClientBuilder.setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE);
+        }
+
+        final String aaiUserName = aaiHttpClientConfig.aaiUserName();
+
+        final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
+
+        if (aaiUserName != null) {
+            final String aaiHost = aaiHttpClientConfig.aaiHost();
+            final Integer aaiHostPortNumber = aaiHttpClientConfig.aaiHostPortNumber();
+            final String aaiUserPassword = aaiHttpClientConfig.aaiUserPassword();
+            final AuthScope aaiHostPortAuthScope = new AuthScope(aaiHost, aaiHostPortNumber);
+            final Credentials aaiCredentials = new UsernamePasswordCredentials(aaiUserName, aaiUserPassword);
+            credentialsProvider.setCredentials(aaiHostPortAuthScope, aaiCredentials);
+        }
+
+        httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
+
+        return httpClientBuilder.build();
+    }
+}