diff options
Diffstat (limited to 'appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/operation/ProviderOperations.java')
| -rw-r--r-- | appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/operation/ProviderOperations.java | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/operation/ProviderOperations.java b/appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/operation/ProviderOperations.java new file mode 100644 index 000000000..f5672a575 --- /dev/null +++ b/appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/operation/ProviderOperations.java @@ -0,0 +1,260 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : APP-C + * ================================================================================ + * Copyright (C) 2017 AT&T 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.openecomp.appc.listener.LCM.operation; + +import com.fasterxml.jackson.databind.JsonNode; +import org.apache.commons.codec.binary.Base64; +import org.apache.commons.io.IOUtils; +import org.apache.http.HttpHeaders; +import org.apache.http.HttpResponse; +import org.apache.http.HttpVersion; +import org.apache.http.client.HttpClient; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.conn.ClientConnectionManager; +import org.apache.http.conn.scheme.PlainSocketFactory; +import org.apache.http.conn.scheme.Scheme; +import org.apache.http.conn.scheme.SchemeRegistry; +import org.apache.http.conn.ssl.SSLSocketFactory; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; +import org.apache.http.params.BasicHttpParams; +import org.apache.http.params.HttpParams; +import org.apache.http.params.HttpProtocolParams; +import org.apache.http.protocol.HTTP; +import org.openecomp.appc.exceptions.APPCException; +import org.openecomp.appc.listener.LCM.model.ResponseStatus; +import org.openecomp.appc.listener.util.Mapper; + +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; + +import javax.net.ssl.SSLContext; +import javax.net.ssl.TrustManager; +import javax.net.ssl.X509TrustManager; +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.net.MalformedURLException; +import java.net.Socket; +import java.net.URL; +import java.net.UnknownHostException; +import java.security.*; +import java.security.cert.CertificateException; +import java.security.cert.X509Certificate; + +public class ProviderOperations { + + private static final EELFLogger LOG = EELFManager.getInstance().getLogger(ProviderOperations.class); + + private static URL url; + private static String basic_auth; + + private static ProviderOperationRequestFormatter requestFormatter = new GenericProviderOperationRequestFormatter(); + + /** + * Calls the AppcProvider to run a topology directed graph + * + * @param msg The incoming message to be run + * @return True if the result is success. Never returns false and throws an exception instead. + * @throws UnsupportedEncodingException + * @throws Exception if there was a failure processing the request. The exception message is the failure reason. + */ + @SuppressWarnings("nls") + public static JsonNode topologyDG(String rpcName, JsonNode msg) throws APPCException { + if (msg == null) { + throw new APPCException("Provided message was null"); + } + + HttpPost post = null; + try { + + // Concatenate the "action" on the end of the URL + String path = requestFormatter.buildPath(url, rpcName); + URL serviceUrl = new URL(url.getProtocol(), url.getHost(), url.getPort(), path); + + post = new HttpPost(serviceUrl.toExternalForm()); + post.setHeader(HttpHeaders.CONTENT_TYPE, "application/json"); + post.setHeader(HttpHeaders.ACCEPT, "application/json"); + + // Set Auth + if (basic_auth != null) { + post.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + basic_auth); + } + + String body = Mapper.toJsonString(msg); + StringEntity entity = new StringEntity(body); + entity.setContentType("application/json"); + post.setEntity(new StringEntity(body)); + } catch (UnsupportedEncodingException | MalformedURLException e) { + throw new APPCException(e); + } + + HttpClient client = getHttpClient(); + + int httpCode = 0; + String respBody = null; + try { + HttpResponse response = client.execute(post); + httpCode = response.getStatusLine().getStatusCode(); + respBody = IOUtils.toString(response.getEntity().getContent()); + } catch (IOException e) { + throw new APPCException(e); + } + + if (httpCode >= 200 && httpCode < 300 && respBody != null) { + JsonNode json; + try { + json = Mapper.toJsonNodeFromJsonString(respBody); + } catch (Exception e) { + LOG.error("Error processing response from provider. Could not map response to json", e); + throw new APPCException("APPC has an unknown RPC error"); + } + + ResponseStatus responseStatus = requestFormatter.getResponseStatus(json); + + if (!isSucceeded(responseStatus.getCode())) { + LOG.warn(String.format("Operation failed [%s]", msg.toString())); + } + + return json; + } + + throw new APPCException(String.format("Unexpected response from endpoint: [%d] - %s ", httpCode, respBody)); + } + + /** + * Updates the static var URL and returns the value; + * + * @return The new value of URL + */ + public static String getUrl() { + return url.toExternalForm(); + } + + public static void setUrl(String newUrl) { + try { + url = new URL(newUrl); + } catch (MalformedURLException e) { + e.printStackTrace(); + } + } + + /** + * Sets the basic authentication header for the given user and password. If either entry is null then set basic auth + * to null + * + * @param user The user with optional domain name + * @param password The password for the user + * @return The new value of the basic auth string that will be used in the request headers + */ + public static String setAuthentication(String user, String password) { + if (user != null && password != null) { + String authStr = user + ":" + password; + basic_auth = new String(Base64.encodeBase64(authStr.getBytes())); + } else { + basic_auth = null; + } + return basic_auth; + } + + @SuppressWarnings("deprecation") + private static HttpClient getHttpClient() throws APPCException { + HttpClient client; + if (url.getProtocol().equals("https")) { + try { + KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); + trustStore.load(null, null); + MySSLSocketFactory sf = new MySSLSocketFactory(trustStore); + sf.setHostnameVerifier(MySSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); + + HttpParams params = new BasicHttpParams(); + HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1); + HttpProtocolParams.setContentCharset(params, HTTP.UTF_8); + + SchemeRegistry registry = new SchemeRegistry(); + registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); + registry.register(new Scheme("https", sf, 443)); + registry.register(new Scheme("https", sf, 8443)); + registry.register(new Scheme("http", sf, 8181)); + + ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry); + client = new DefaultHttpClient(ccm, params); + } catch (Exception e) { + client = new DefaultHttpClient(); + } + } else if (url.getProtocol().equals("http")) { + client = new DefaultHttpClient(); + } else { + throw new APPCException( + "The provider.topology.url property is invalid. The url did not start with http[s]"); + } + return client; + } + + @SuppressWarnings("deprecation") + public static class MySSLSocketFactory extends SSLSocketFactory { + private SSLContext sslContext = SSLContext.getInstance("TLS"); + + public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException, + KeyStoreException, UnrecoverableKeyException { + super(truststore); + + TrustManager tm = new X509TrustManager() { + @Override + public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { + } + + @Override + public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { + } + + @Override + public X509Certificate[] getAcceptedIssuers() { + return null; + } + }; + + sslContext.init(null, new TrustManager[]{ + tm + }, null); + } + + @Override + public Socket createSocket(Socket socket, String host, int port, boolean autoClose) + throws IOException, UnknownHostException { + return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose); + } + + @Override + public Socket createSocket() throws IOException { + return sslContext.getSocketFactory().createSocket(); + } + } + + public static boolean isSucceeded(Integer code) { + if (code == null) { + return false; + } + return ((code == 100) || (code == 400)); // only 100 & 400 statuses are success + } + +} |