2  * ============LICENSE_START=======================================================
 
   4  * ================================================================================
 
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
 
   7  * Modifications Copyright © 2018 IBM.
 
   8  * ================================================================================
 
   9  * Licensed under the Apache License, Version 2.0 (the "License");
 
  10  * you may not use this file except in compliance with the License.
 
  11  * You may obtain a copy of the License at
 
  13  *      http://www.apache.org/licenses/LICENSE-2.0
 
  15  * Unless required by applicable law or agreed to in writing, software
 
  16  * distributed under the License is distributed on an "AS IS" BASIS,
 
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
  18  * See the License for the specific language governing permissions and
 
  19  * limitations under the License.
 
  20  * ============LICENSE_END=========================================================
 
  23 package org.onap.ccsdk.sli.plugins.restapicall;
 
  25 import static java.lang.Boolean.valueOf;
 
  26 import static javax.ws.rs.client.Entity.entity;
 
  27 import static org.onap.ccsdk.sli.plugins.restapicall.AuthType.fromString;
 
  29 import java.io.FileInputStream;
 
  30 import java.io.IOException;
 
  31 import java.net.SocketException;
 
  33 import java.nio.file.Files;
 
  34 import java.nio.file.Paths;
 
  35 import java.security.KeyStore;
 
  36 import java.util.ArrayList;
 
  37 import java.util.Collections;
 
  38 import java.util.HashMap;
 
  39 import java.util.HashSet;
 
  40 import java.util.Iterator;
 
  41 import java.util.List;
 
  43 import java.util.Map.Entry;
 
  44 import java.util.Properties;
 
  46 import javax.net.ssl.HttpsURLConnection;
 
  47 import javax.net.ssl.KeyManagerFactory;
 
  48 import javax.net.ssl.SSLContext;
 
  49 import javax.ws.rs.ProcessingException;
 
  50 import javax.ws.rs.client.Client;
 
  51 import javax.ws.rs.client.ClientBuilder;
 
  52 import javax.ws.rs.client.Entity;
 
  53 import javax.ws.rs.client.Invocation;
 
  54 import javax.ws.rs.client.WebTarget;
 
  55 import javax.ws.rs.core.EntityTag;
 
  56 import javax.ws.rs.core.Feature;
 
  57 import javax.ws.rs.core.MediaType;
 
  58 import javax.ws.rs.core.MultivaluedMap;
 
  59 import javax.ws.rs.core.Response;
 
  60 import javax.ws.rs.core.UriBuilder;
 
  61 import javax.ws.rs.core.Response;
 
  62 import org.apache.commons.lang3.StringUtils;
 
  63 import org.codehaus.jettison.json.JSONException;
 
  64 import org.codehaus.jettison.json.JSONObject;
 
  65 import org.glassfish.jersey.client.ClientProperties;
 
  66 import org.glassfish.jersey.client.HttpUrlConnectorProvider;
 
  67 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
 
  68 import org.glassfish.jersey.client.oauth1.ConsumerCredentials;
 
  69 import org.glassfish.jersey.client.oauth1.OAuth1ClientSupport;
 
  70 import org.glassfish.jersey.media.multipart.MultiPart;
 
  71 import org.glassfish.jersey.media.multipart.MultiPartFeature;
 
  72 import org.glassfish.jersey.media.multipart.file.FileDataBodyPart;
 
  73 import org.glassfish.jersey.client.oauth1.ConsumerCredentials;
 
  74 import org.glassfish.jersey.client.oauth1.OAuth1ClientSupport;
 
  75 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
 
  76 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
 
  77 import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
 
  78 import org.slf4j.Logger;
 
  79 import org.slf4j.LoggerFactory;
 
  81 public class RestapiCallNode implements SvcLogicJavaPlugin {
 
  83     protected static final String PARTNERS_FILE_NAME = "partners.json";
 
  84     protected static final String UEB_PROPERTIES_FILE_NAME = "ueb.properties";
 
  85     protected static final String DEFAULT_PROPERTIES_DIR = "/opt/onap/ccsdk/data/properties";
 
  86     protected static final String PROPERTIES_DIR_KEY = "SDNC_CONFIG_DIR";
 
  88     private static final Logger log = LoggerFactory.getLogger(RestapiCallNode.class);
 
  89     private String uebServers;
 
  90     private String defaultUebTemplateFileName = "/opt/bvc/restapi/templates/default-ueb-message.json";
 
  92     private String responseReceivedMessage = "Response received. Time: {}";
 
  93     private String responseHttpCodeMessage = "HTTP response code: {}";
 
  94     private String requestPostingException = "Exception while posting http request to client ";
 
  95     protected static final String skipSendingMessage = "skipSending";
 
  96     protected static final String responsePrefix = "responsePrefix";
 
  97     protected static final String restapiUrlString = "restapiUrl";
 
  98     protected static final String restapiUserKey = "restapiUser";
 
  99     protected static final String restapiPasswordKey = "restapiPassword";
 
 101     protected HashMap<String,PartnerDetails> partnerStore;
 
 103     public RestapiCallNode() {
 
 104        String configDir = System.getProperty(PROPERTIES_DIR_KEY, DEFAULT_PROPERTIES_DIR);
 
 106             String jsonString = readFile(configDir + "/" + PARTNERS_FILE_NAME);
 
 107             JSONObject partners = new JSONObject(jsonString);
 
 108             partnerStore = new HashMap<String,PartnerDetails>();
 
 109             loadPartners(partners);
 
 110             log.info("Partners support enabled");
 
 111         } catch (Exception e) {
 
 112             log.warn("Partners file could not be read, Partner support will not be enabled.", e);
 
 115         try (FileInputStream in = new FileInputStream(configDir + "/" + UEB_PROPERTIES_FILE_NAME)) {
 
 116             Properties props = new Properties();
 
 118             uebServers = props.getProperty("servers");
 
 119             log.info("UEB support enabled");
 
 120         } catch (Exception e) {
 
 121             log.warn("UEB properties could not be read, UEB support will not be enabled.", e);
 
 125     protected void loadPartners(JSONObject partners) {
 
 126         Iterator<String> keys = partners.keys();
 
 127         String partnerUserKey = "user";
 
 128         String partnerPasswordKey = "password";
 
 129         String partnerUrlKey = "url";
 
 131         while (keys.hasNext()) {
 
 132             String partnerKey = keys.next();
 
 134                 JSONObject partnerObject = (JSONObject) partners.get(partnerKey);
 
 135                 if (partnerObject.has(partnerUserKey) && partnerObject.has(partnerPasswordKey)) {
 
 137                     if (partnerObject.has(partnerUrlKey)) {
 
 138                         url = partnerObject.getString(partnerUrlKey);
 
 140                     String userName = partnerObject.getString(partnerUserKey);
 
 141                     String password = partnerObject.getString(partnerPasswordKey);
 
 142                     PartnerDetails details = new PartnerDetails(userName, password, url);
 
 143                     partnerStore.put(partnerKey, details);
 
 144                     log.info("mapped partner using partner key " + partnerKey);
 
 146                     log.info("Partner " + partnerKey + " is missing required keys, it won't be mapped");
 
 148             } catch (JSONException e) {
 
 149                 log.info("Couldn't map the partner using partner key " + partnerKey, e);
 
 155      * Returns parameters from the parameter map.
 
 157      * @param paramMap parameter map
 
 158      * @param p        parameters instance
 
 159      * @return parameters filed instance
 
 160      * @throws SvcLogicException when svc logic exception occurs
 
 162     public static Parameters getParameters(Map<String, String> paramMap,
 
 164         throws SvcLogicException {
 
 166         p.templateFileName = parseParam(paramMap, "templateFileName",
 
 168         p.requestBody = parseParam(paramMap, "requestBody", false, null);
 
 169         p.restapiUrl = parseParam(paramMap, restapiUrlString, true, null);
 
 170         validateUrl(p.restapiUrl);
 
 171         p.restapiUrlSuffix = parseParam(paramMap, "restapiUrlSuffix",
 
 173         p.restapiUser = parseParam(paramMap, restapiUserKey, false, null);
 
 174         p.restapiPassword = parseParam(paramMap, restapiPasswordKey, false,
 
 176         if(p.restapiUrlSuffix != null) {
 
 177             p.restapiUrl = p.restapiUrl + p.restapiUrlSuffix;
 
 178             validateUrl(p.restapiUrl);
 
 180         p.oAuthConsumerKey = parseParam(paramMap, "oAuthConsumerKey",
 
 182         p.oAuthConsumerSecret = parseParam(paramMap, "oAuthConsumerSecret",
 
 184         p.oAuthSignatureMethod = parseParam(paramMap, "oAuthSignatureMethod",
 
 186         p.oAuthVersion = parseParam(paramMap, "oAuthVersion", false, null);
 
 187         p.contentType = parseParam(paramMap, "contentType", false, null);
 
 188         p.format = Format.fromString(parseParam(paramMap, "format", false,
 
 190         p.authtype = fromString(parseParam(paramMap, "authType", false,
 
 192         p.httpMethod = HttpMethod.fromString(parseParam(paramMap, "httpMethod",
 
 194         p.responsePrefix = parseParam(paramMap, responsePrefix, false, null);
 
 195         p.listNameList = getListNameList(paramMap);
 
 196         String skipSendingStr = paramMap.get(skipSendingMessage);
 
 197         p.skipSending = "true".equalsIgnoreCase(skipSendingStr);
 
 198         p.convertResponse = valueOf(parseParam(paramMap, "convertResponse",
 
 200         p.trustStoreFileName = parseParam(paramMap, "trustStoreFileName",
 
 202         p.trustStorePassword = parseParam(paramMap, "trustStorePassword",
 
 204         p.keyStoreFileName = parseParam(paramMap, "keyStoreFileName",
 
 206         p.keyStorePassword = parseParam(paramMap, "keyStorePassword",
 
 208         p.ssl = p.trustStoreFileName != null && p.trustStorePassword != null
 
 209             && p.keyStoreFileName != null && p.keyStorePassword != null;
 
 210         p.customHttpHeaders = parseParam(paramMap, "customHttpHeaders",
 
 212         p.partner = parseParam(paramMap, "partner", false, null);
 
 213         p.dumpHeaders = valueOf(parseParam(paramMap, "dumpHeaders",
 
 215         p.returnRequestPayload = valueOf(parseParam(
 
 216             paramMap, "returnRequestPayload", false, null));
 
 217         p.accept = parseParam(paramMap, "accept",
 
 219         p.multipartFormData = valueOf(parseParam(paramMap, "multipartFormData",
 
 221         p.multipartFile = parseParam(paramMap, "multipartFile",
 
 227      * Validates the given URL in the parameters.
 
 229      * @param restapiUrl rest api URL
 
 230      * @throws SvcLogicException when URL validation fails
 
 232     private static void validateUrl(String restapiUrl) throws SvcLogicException {
 
 233         if (restapiUrl.contains(",")) {
 
 234             String[] urls = restapiUrl.split(",");
 
 235             for(String url : urls) {
 
 240                 URI.create(restapiUrl);
 
 241             } catch (IllegalArgumentException e) {
 
 242                 throw new SvcLogicException("Invalid input of url " + e.getLocalizedMessage(), e);
 
 248      * Returns the list of list name.
 
 250      * @param paramMap parameters map
 
 251      * @return list of list name
 
 253     private static Set<String> getListNameList(Map<String, String> paramMap) {
 
 254         Set<String> ll = new HashSet<>();
 
 255         for (Map.Entry<String, String> entry : paramMap.entrySet()) {
 
 256             if (entry.getKey().startsWith("listName")) {
 
 257                 ll.add(entry.getValue());
 
 264      * Parses the parameter string map of property, validates if required,
 
 265      * assigns default value if present and returns the value.
 
 267      * @param paramMap string param map
 
 268      * @param name     name of the property
 
 269      * @param required if value required
 
 270      * @param def      default value
 
 271      * @return value of the property
 
 272      * @throws SvcLogicException if required parameter value is empty
 
 274     public static String parseParam(Map<String, String> paramMap, String name,
 
 275         boolean required, String def)
 
 276         throws SvcLogicException {
 
 277         String s = paramMap.get(name);
 
 279         if (s == null || s.trim().length() == 0) {
 
 283             throw new SvcLogicException("Parameter " + name + " is required in RestapiCallNode");
 
 287         StringBuilder value = new StringBuilder();
 
 289         int i1 = s.indexOf('%');
 
 291             int i2 = s.indexOf('%', i1 + 1);
 
 296             String varName = s.substring(i1 + 1, i2);
 
 297             String varValue = System.getenv(varName);
 
 298             if (varValue == null) {
 
 299                 varValue = "%" + varName + "%";
 
 302             value.append(s.substring(i, i1));
 
 303             value.append(varValue);
 
 306             i1 = s.indexOf('%', i);
 
 308         value.append(s.substring(i));
 
 310         log.info("Parameter {}: [{}]", name, value);
 
 311         return value.toString();
 
 315      * Allows Directed Graphs  the ability to interact with REST APIs.
 
 316      * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
 
 318      *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
 
 320      *      <tr><td>templateFileName</td><td>Optional</td><td>full path to template file that can be used to build a request</td><td>/sdncopt/bvc/restapi/templates/vnf_service-configuration-operation_minimal.json</td></tr>
 
 321      *      <tr><td>restapiUrl</td><td>Mandatory</td><td>url to send the request to</td><td>https://sdncodl:8543/restconf/operations/L3VNF-API:create-update-vnf-request</td></tr>
 
 322      *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
 
 323      *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
 
 324      *      <tr><td>oAuthConsumerKey</td><td>Optional</td><td>Consumer key to use for http oAuth authentication</td><td>plain_key</td></tr>
 
 325      *      <tr><td>oAuthConsumerSecret</td><td>Optional</td><td>Consumer secret to use for http oAuth authentication</td><td>plain_secret</td></tr>
 
 326      *      <tr><td>oAuthSignatureMethod</td><td>Optional</td><td>Consumer method to use for http oAuth authentication</td><td>method</td></tr>
 
 327      *      <tr><td>oAuthVersion</td><td>Optional</td><td>Version http oAuth authentication</td><td>version</td></tr>
 
 328      *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
 
 329      *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
 
 330      *      <tr><td>httpMethod</td><td>Optional</td><td>http method to use when sending the request</td><td>get post put delete patch</td></tr>
 
 331      *      <tr><td>responsePrefix</td><td>Optional</td><td>location the response will be written to in context memory</td><td>tmp.restapi.result</td></tr>
 
 332      *      <tr><td>listName[i]</td><td>Optional</td><td>Used for processing XML responses with repeating elements.</td>vpn-information.vrf-details<td></td></tr>
 
 333      *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
 
 334      *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
 
 335      *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
 
 336      *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
 
 337      *      <tr><td>partner</td><td>Optional</td><td>used to retrieve username, password and url if partner store exists</td><td>aaf</td></tr>
 
 338      *      <tr><td>returnRequestPayload</td><td>Optional</td><td>used to return payload built in the request</td><td>true or false</td></tr>
 
 341      * @param ctx Reference to context memory
 
 342      * @throws SvcLogicException
 
 344      * @see String#split(String, int)
 
 346     public void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
 
 347         sendRequest(paramMap, ctx, null);
 
 350     protected void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx, RetryPolicy retryPolicy)
 
 351         throws SvcLogicException {
 
 353         HttpResponse r = new HttpResponse();
 
 355             handlePartner(paramMap);           
 
 356             Parameters p = getParameters(paramMap, new Parameters());
 
 357             if(p.restapiUrl.contains(",") && retryPolicy == null) {
 
 358                 String[] urls = p.restapiUrl.split(",");
 
 359                 retryPolicy = new RetryPolicy(urls,urls.length * 2);
 
 360                 p.restapiUrl = urls[0];
 
 362             String pp = p.responsePrefix != null ? p.responsePrefix + '.' : "";
 
 365             if (p.templateFileName != null) {
 
 366                 String reqTemplate = readFile(p.templateFileName);
 
 367                 req = buildXmlJsonRequest(ctx, reqTemplate, p.format);
 
 368             } else if (p.requestBody != null) {
 
 371             r = sendHttpRequest(req, p);
 
 372             setResponseStatus(ctx, p.responsePrefix, r);
 
 374             if (p.dumpHeaders && r.headers != null) {
 
 375                 for (Entry<String, List<String>> a : r.headers.entrySet()) {
 
 376                     ctx.setAttribute(pp + "header." + a.getKey(), StringUtils.join(a.getValue(), ","));
 
 380             if (p.returnRequestPayload && req != null) {
 
 381                 ctx.setAttribute(pp + "httpRequest", req);
 
 384             if (r.body != null && r.body.trim().length() > 0) {
 
 385                 ctx.setAttribute(pp + "httpResponse", r.body);
 
 387                 if (p.convertResponse) {
 
 388                     Map<String, String> mm = null;
 
 389                     if (p.format == Format.XML) {
 
 390                         mm = XmlParser.convertToProperties(r.body, p.listNameList);
 
 391                     } else if (p.format == Format.JSON) {
 
 392                         mm = JsonParser.convertToProperties(r.body);
 
 396                         for (Map.Entry<String, String> entry : mm.entrySet()) {
 
 397                             ctx.setAttribute(pp + entry.getKey(), entry.getValue());
 
 402         } catch (SvcLogicException e) {
 
 403             boolean shouldRetry = false;
 
 404             if (e.getCause().getCause() instanceof SocketException) {
 
 408             log.error("Error sending the request: " + e.getMessage(), e);
 
 409             String prefix = parseParam(paramMap, responsePrefix, false, null);
 
 410             if (retryPolicy == null || !shouldRetry) {
 
 411                 setFailureResponseStatus(ctx, prefix, e.getMessage(), r);
 
 413                 log.debug(retryPolicy.getRetryMessage());
 
 415                     //calling getNextHostName increments the retry count so it should be called before shouldRetry
 
 416                     String retryString = retryPolicy.getNextHostName();
 
 417                     if (retryPolicy.shouldRetry()) {
 
 418                         paramMap.put(restapiUrlString, retryString);
 
 419                         log.debug("retry attempt {} will use the retry url {}", retryPolicy.getRetryCount(), retryString);
 
 420                         sendRequest(paramMap, ctx, retryPolicy);
 
 422                         log.debug("Maximum retries reached, won't attempt to retry. Calling setFailureResponseStatus.");
 
 423                         setFailureResponseStatus(ctx, prefix, e.getMessage(), r);
 
 425                 } catch (Exception ex) {
 
 426                     String retryErrorMessage = "Retry attempt " + retryPolicy.getRetryCount() + "has failed with error message " + ex.getMessage();
 
 427                     setFailureResponseStatus(ctx, prefix, retryErrorMessage, r);
 
 432         if (r != null && r.code >= 300) {
 
 433             throw new SvcLogicException(String.valueOf(r.code) + ": " + r.message);
 
 437     protected void handlePartner(Map<String, String> paramMap) {
 
 438         String partner = paramMap.get("partner");
 
 439             if (partner != null && partner.length() > 0) {
 
 440                 PartnerDetails details = partnerStore.get(partner);
 
 441                 paramMap.put(restapiUserKey, details.username);
 
 442                 paramMap.put(restapiPasswordKey, details.password);
 
 443                 if(paramMap.get(restapiUrlString) == null) {
 
 444                     paramMap.put(restapiUrlString, details.url);
 
 449     protected String buildXmlJsonRequest(SvcLogicContext ctx, String template, Format format)
 
 450         throws SvcLogicException {
 
 451         log.info("Building {} started", format);
 
 452         long t1 = System.currentTimeMillis();
 
 453         String originalTemplate = template;
 
 455         template = expandRepeats(ctx, template, 1);
 
 457         Map<String, String> mm = new HashMap<>();
 
 458         for (String s : ctx.getAttributeKeySet()) {
 
 459             mm.put(s, ctx.getAttribute(s));
 
 462         StringBuilder ss = new StringBuilder();
 
 464         while (i < template.length()) {
 
 465             int i1 = template.indexOf("${", i);
 
 467                 ss.append(template.substring(i));
 
 471             int i2 = template.indexOf('}', i1 + 2);
 
 473                 throw new SvcLogicException("Template error: Matching } not found");
 
 476             String var1 = template.substring(i1 + 2, i2);
 
 477             String value1 = format == Format.XML ? XmlJsonUtil.getXml(mm, var1) : XmlJsonUtil.getJson(mm, var1);
 
 478             if (value1 == null || value1.trim().length() == 0) {
 
 479                 // delete the whole element (line)
 
 480                 int i3 = template.lastIndexOf('\n', i1);
 
 484                 int i4 = template.indexOf('\n', i1);
 
 486                     i4 = template.length();
 
 490                     ss.append(template.substring(i, i3));
 
 494                 ss.append(template.substring(i, i1)).append(value1);
 
 499         String req = format == Format.XML
 
 500             ? XmlJsonUtil.removeEmptyStructXml(ss.toString()) : XmlJsonUtil.removeEmptyStructJson(originalTemplate, ss.toString());
 
 502         if (format == Format.JSON) {
 
 503             req = XmlJsonUtil.removeLastCommaJson(req);
 
 506         long t2 = System.currentTimeMillis();
 
 507         log.info("Building {} completed. Time: {}", format, t2 - t1);
 
 512     protected String expandRepeats(SvcLogicContext ctx, String template, int level) throws SvcLogicException {
 
 513         StringBuilder newTemplate = new StringBuilder();
 
 515         while (k < template.length()) {
 
 516             int i1 = template.indexOf("${repeat:", k);
 
 518                 newTemplate.append(template.substring(k));
 
 522             int i2 = template.indexOf(':', i1 + 9);
 
 524                 throw new SvcLogicException(
 
 525                     "Template error: Context variable name followed by : is required after repeat");
 
 528             // Find the closing }, store in i3
 
 532             while (nn > 0 && i < template.length()) {
 
 533                 i3 = template.indexOf('}', i);
 
 535                     throw new SvcLogicException("Template error: Matching } not found");
 
 537                 int i32 = template.indexOf('{', i);
 
 538                 if (i32 >= 0 && i32 < i3) {
 
 547             String var1 = template.substring(i1 + 9, i2);
 
 548             String value1 = ctx.getAttribute(var1);
 
 549             log.info("     {}:{}", var1, value1);
 
 552                 n = Integer.parseInt(value1);
 
 553             } catch (NumberFormatException e) {
 
 554                 log.info("value1 not set or not a number, n will remain set at zero");
 
 557             newTemplate.append(template.substring(k, i1));
 
 559             String rpt = template.substring(i2 + 1, i3);
 
 561             for (int ii = 0; ii < n; ii++) {
 
 562                 String ss = rpt.replaceAll("\\[\\$\\{" + level + "\\}\\]", "[" + ii + "]");
 
 563                 if (ii == n - 1 && ss.trim().endsWith(",")) {
 
 564                     int i4 = ss.lastIndexOf(',');
 
 566                         ss = ss.substring(0, i4) + ss.substring(i4 + 1);
 
 569                 newTemplate.append(ss);
 
 576             return newTemplate.toString();
 
 579         return expandRepeats(ctx, newTemplate.toString(), level + 1);
 
 582     protected String readFile(String fileName) throws SvcLogicException {
 
 584             byte[] encoded = Files.readAllBytes(Paths.get(fileName));
 
 585             return new String(encoded, "UTF-8");
 
 586         } catch (IOException | SecurityException e) {
 
 587             throw new SvcLogicException("Unable to read file " + fileName + e.getLocalizedMessage(), e);
 
 591     protected Client addAuthType(Client c, FileParam fp) throws SvcLogicException {
 
 592         Parameters p = new Parameters();
 
 593         p.restapiUser = fp.user;
 
 594         p.restapiPassword = fp.password;
 
 595         p.oAuthConsumerKey = fp.oAuthConsumerKey;
 
 596         p.oAuthVersion = fp.oAuthVersion;
 
 597         p.oAuthConsumerSecret = fp.oAuthConsumerSecret;
 
 598         p.oAuthSignatureMethod = fp.oAuthSignatureMethod;
 
 599         p.authtype = fp.authtype;
 
 600         return addAuthType(c, p);
 
 603     public Client addAuthType(Client client, Parameters p) throws SvcLogicException {
 
 604         if (p.authtype == AuthType.Unspecified) {
 
 605             if (p.restapiUser != null && p.restapiPassword != null) {
 
 606                 client.register(HttpAuthenticationFeature.basic(p.restapiUser, p.restapiPassword));
 
 607             } else if (p.oAuthConsumerKey != null && p.oAuthConsumerSecret != null
 
 608                 && p.oAuthSignatureMethod != null) {
 
 609                 Feature oAuth1Feature = OAuth1ClientSupport
 
 610                     .builder(new ConsumerCredentials(p.oAuthConsumerKey, p.oAuthConsumerSecret))
 
 611                     .version(p.oAuthVersion).signatureMethod(p.oAuthSignatureMethod).feature().build();
 
 612                 client.register(oAuth1Feature);
 
 616             if (p.authtype == AuthType.DIGEST) {
 
 617                 if (p.restapiUser != null && p.restapiPassword != null) {
 
 618                     client.register(HttpAuthenticationFeature.digest(p.restapiUser, p.restapiPassword));
 
 620                     throw new SvcLogicException(
 
 621                         "oAUTH authentication type selected but all restapiUser and restapiPassword " +
 
 622                             "parameters doesn't exist", new Throwable());
 
 624             } else if (p.authtype == AuthType.BASIC) {
 
 625                 if (p.restapiUser != null && p.restapiPassword != null) {
 
 626                     client.register(HttpAuthenticationFeature.basic(p.restapiUser, p.restapiPassword));
 
 628                     throw new SvcLogicException(
 
 629                         "oAUTH authentication type selected but all restapiUser and restapiPassword " +
 
 630                             "parameters doesn't exist", new Throwable());
 
 632             } else if (p.authtype == AuthType.OAUTH) {
 
 633                 if (p.oAuthConsumerKey != null && p.oAuthConsumerSecret != null && p.oAuthSignatureMethod != null) {
 
 634                     Feature oAuth1Feature = OAuth1ClientSupport
 
 635                         .builder(new ConsumerCredentials(p.oAuthConsumerKey, p.oAuthConsumerSecret))
 
 636                         .version(p.oAuthVersion).signatureMethod(p.oAuthSignatureMethod).feature().build();
 
 637                     client.register(oAuth1Feature);
 
 639                     throw new SvcLogicException(
 
 640                         "oAUTH authentication type selected but all oAuthConsumerKey, oAuthConsumerSecret " +
 
 641                             "and oAuthSignatureMethod parameters doesn't exist", new Throwable());
 
 649      * Receives the http response for the http request sent.
 
 651      * @param request request msg
 
 652      * @param p       parameters
 
 653      * @return HTTP response
 
 654      * @throws SvcLogicException when sending http request fails
 
 656     public HttpResponse sendHttpRequest(String request, Parameters p)
 
 657         throws SvcLogicException {
 
 659         SSLContext ssl = null;
 
 660         if (p.ssl && p.restapiUrl.startsWith("https")) {
 
 661             ssl = createSSLContext(p);
 
 666             HttpsURLConnection.setDefaultSSLSocketFactory(ssl.getSocketFactory());
 
 667             client = ClientBuilder.newBuilder().sslContext(ssl).hostnameVerifier((s, sslSession) -> true)
 
 670             client = ClientBuilder.newBuilder().hostnameVerifier((s, sslSession) -> true)
 
 673         client.property(ClientProperties.CONNECT_TIMEOUT, 5000);
 
 674         // Needed to support additional HTTP methods such as PATCH
 
 675         client.property(HttpUrlConnectorProvider.SET_METHOD_WORKAROUND, true);
 
 677         WebTarget webTarget = addAuthType(client, p).target(p.restapiUrl);
 
 679         log.info("Sending request below to url " + p.restapiUrl);
 
 681         long t1 = System.currentTimeMillis();
 
 683         HttpResponse r = new HttpResponse();
 
 685         String accept = p.accept;
 
 687             accept = p.format == Format.XML ? "application/xml" : "application/json";
 
 690         String contentType = p.contentType;
 
 691         if(contentType == null) {
 
 692             contentType = accept + ";charset=UTF-8";
 
 695         if (!p.skipSending && !p.multipartFormData) {
 
 697             Invocation.Builder invocationBuilder = webTarget.request(contentType).accept(accept);
 
 699             if (p.format == Format.NONE) {
 
 700                 invocationBuilder.header("", "");
 
 703             if (p.customHttpHeaders != null && p.customHttpHeaders.length() > 0) {
 
 704                 String[] keyValuePairs = p.customHttpHeaders.split(",");
 
 705                 for (String singlePair : keyValuePairs) {
 
 706                     int equalPosition = singlePair.indexOf('=');
 
 707                     invocationBuilder.header(singlePair.substring(0, equalPosition),
 
 708                         singlePair.substring(equalPosition + 1, singlePair.length()));
 
 712             invocationBuilder.header("X-ECOMP-RequestID", org.slf4j.MDC.get("X-ECOMP-RequestID"));
 
 714             invocationBuilder.property(ClientProperties.SUPPRESS_HTTP_COMPLIANCE_VALIDATION, true);
 
 719                 response = invocationBuilder.method(p.httpMethod.toString(), entity(request, contentType));
 
 720             } catch (ProcessingException | IllegalStateException e) {
 
 721                 throw new SvcLogicException(requestPostingException +
 
 722                     e.getLocalizedMessage(), e);
 
 725             r.code = response.getStatus();
 
 726             r.headers = response.getStringHeaders();
 
 727             EntityTag etag = response.getEntityTag();
 
 729                 r.message = etag.getValue();
 
 731             if (response.hasEntity() && r.code != 204) {
 
 732                 r.body = response.readEntity(String.class);
 
 734         } else if (!p.skipSending && p.multipartFormData) {
 
 736             WebTarget wt = client.register(MultiPartFeature.class).target(p.restapiUrl);
 
 738             MultiPart multiPart = new MultiPart();
 
 739             multiPart.setMediaType(MediaType.MULTIPART_FORM_DATA_TYPE);
 
 741             FileDataBodyPart fileDataBodyPart = new FileDataBodyPart("file",
 
 742                     new File(p.multipartFile),
 
 743                     MediaType.APPLICATION_OCTET_STREAM_TYPE);
 
 744             multiPart.bodyPart(fileDataBodyPart);
 
 747             Invocation.Builder invocationBuilder = wt.request(contentType).accept(accept);
 
 749             if (p.format == Format.NONE) {
 
 750                 invocationBuilder.header("", "");
 
 753             if (p.customHttpHeaders != null && p.customHttpHeaders.length() > 0) {
 
 754                 String[] keyValuePairs = p.customHttpHeaders.split(",");
 
 755                 for (String singlePair : keyValuePairs) {
 
 756                     int equalPosition = singlePair.indexOf('=');
 
 757                     invocationBuilder.header(singlePair.substring(0, equalPosition),
 
 758                             singlePair.substring(equalPosition + 1, singlePair.length()));
 
 762             invocationBuilder.header("X-ECOMP-RequestID", org.slf4j.MDC.get("X-ECOMP-RequestID"));
 
 767                 response = invocationBuilder.method(p.httpMethod.toString(), entity(multiPart, multiPart.getMediaType()));
 
 768             } catch (ProcessingException | IllegalStateException e) {
 
 769                 throw new SvcLogicException(requestPostingException +
 
 770                         e.getLocalizedMessage(), e);
 
 773             r.code = response.getStatus();
 
 774             r.headers = response.getStringHeaders();
 
 775             EntityTag etag = response.getEntityTag();
 
 777                 r.message = etag.getValue();
 
 779             if (response.hasEntity() && r.code != 204) {
 
 780                 r.body = response.readEntity(String.class);
 
 785         long t2 = System.currentTimeMillis();
 
 786         log.info(responseReceivedMessage, t2 - t1);
 
 787         log.info(responseHttpCodeMessage, r.code);
 
 788         log.info("HTTP response message: {}", r.message);
 
 789         logHeaders(r.headers);
 
 790         log.info("HTTP response: {}", r.body);
 
 795     protected SSLContext createSSLContext(Parameters p) {
 
 796         try (FileInputStream in = new FileInputStream(p.keyStoreFileName)) {
 
 797             System.setProperty("jsse.enableSNIExtension", "false");
 
 798             System.setProperty("javax.net.ssl.trustStore", p.trustStoreFileName);
 
 799             System.setProperty("javax.net.ssl.trustStorePassword", p.trustStorePassword);
 
 801             HttpsURLConnection.setDefaultHostnameVerifier((string, ssls) -> true);
 
 803             KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
 
 804             KeyStore ks = KeyStore.getInstance("PKCS12");
 
 805             char[] pwd = p.keyStorePassword.toCharArray();
 
 809             SSLContext ctx = SSLContext.getInstance("TLS");
 
 810             ctx.init(kmf.getKeyManagers(), null, null);
 
 812         } catch (Exception e) {
 
 813             log.error("Error creating SSLContext: {}", e.getMessage(), e);
 
 818     protected void setFailureResponseStatus(SvcLogicContext ctx, String prefix, String errorMessage,
 
 821         resp.message = errorMessage;
 
 822         String pp = prefix != null ? prefix + '.' : "";
 
 823         ctx.setAttribute(pp + "response-code", String.valueOf(resp.code));
 
 824         ctx.setAttribute(pp + "response-message", resp.message);
 
 827     protected void setResponseStatus(SvcLogicContext ctx, String prefix, HttpResponse r) {
 
 828         String pp = prefix != null ? prefix + '.' : "";
 
 829         ctx.setAttribute(pp + "response-code", String.valueOf(r.code));
 
 830         ctx.setAttribute(pp + "response-message", r.message);
 
 833     public void sendFile(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
 
 834         HttpResponse r = null;
 
 836             FileParam p = getFileParameters(paramMap);
 
 837             byte[] data = Files.readAllBytes(Paths.get(p.fileName));
 
 839             r = sendHttpData(data, p);
 
 840             setResponseStatus(ctx, p.responsePrefix, r);
 
 842         } catch (SvcLogicException | IOException e) {
 
 843             log.error("Error sending the request: {}", e.getMessage(), e);
 
 845             r = new HttpResponse();
 
 847             r.message = e.getMessage();
 
 848             String prefix = parseParam(paramMap, responsePrefix, false, null);
 
 849             setResponseStatus(ctx, prefix, r);
 
 852         if (r != null && r.code >= 300) {
 
 853             throw new SvcLogicException(String.valueOf(r.code) + ": " + r.message);
 
 857     private FileParam getFileParameters(Map<String, String> paramMap) throws SvcLogicException {
 
 858         FileParam p = new FileParam();
 
 859         p.fileName = parseParam(paramMap, "fileName", true, null);
 
 860         p.url = parseParam(paramMap, "url", true, null);
 
 861         p.user = parseParam(paramMap, "user", false, null);
 
 862         p.password = parseParam(paramMap, "password", false, null);
 
 863         p.httpMethod = HttpMethod.fromString(parseParam(paramMap, "httpMethod", false, "post"));
 
 864         p.responsePrefix = parseParam(paramMap, responsePrefix, false, null);
 
 865         String skipSendingStr = paramMap.get(skipSendingMessage);
 
 866         p.skipSending = "true".equalsIgnoreCase(skipSendingStr);
 
 867         p.oAuthConsumerKey = parseParam(paramMap, "oAuthConsumerKey", false, null);
 
 868         p.oAuthVersion = parseParam(paramMap, "oAuthVersion", false, null);
 
 869         p.oAuthConsumerSecret = parseParam(paramMap, "oAuthConsumerSecret", false, null);
 
 870         p.oAuthSignatureMethod = parseParam(paramMap, "oAuthSignatureMethod", false, null);
 
 871         p.authtype = fromString(parseParam(paramMap, "authType", false, "unspecified"));
 
 875     public void postMessageOnUeb(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
 
 878             UebParam p = getUebParameters(paramMap);
 
 880             String pp = p.responsePrefix != null ? p.responsePrefix + '.' : "";
 
 884             if (p.templateFileName == null) {
 
 885                 log.info("No template file name specified. Using default UEB template: {}", defaultUebTemplateFileName);
 
 886                 p.templateFileName = defaultUebTemplateFileName;
 
 889             String reqTemplate = readFile(p.templateFileName);
 
 890             reqTemplate = reqTemplate.replaceAll("rootVarName", p.rootVarName);
 
 891             req = buildXmlJsonRequest(ctx, reqTemplate, Format.JSON);
 
 893             r = postOnUeb(req, p);
 
 894             setResponseStatus(ctx, p.responsePrefix, r);
 
 895             if (r.body != null) {
 
 896                 ctx.setAttribute(pp + "httpResponse", r.body);
 
 899         } catch (SvcLogicException e) {
 
 900             log.error("Error sending the request: {}", e.getMessage(), e);
 
 902             r = new HttpResponse();
 
 904             r.message = e.getMessage();
 
 905             String prefix = parseParam(paramMap, responsePrefix, false, null);
 
 906             setResponseStatus(ctx, prefix, r);
 
 910             throw new SvcLogicException(String.valueOf(r.code) + ": " + r.message);
 
 914     protected HttpResponse sendHttpData(byte[] data, FileParam p) throws SvcLogicException {
 
 916         Client client = ClientBuilder.newBuilder().build();
 
 917         client.property(ClientProperties.CONNECT_TIMEOUT, 5000);
 
 918         client.property(ClientProperties.FOLLOW_REDIRECTS, true);
 
 919         WebTarget webTarget = addAuthType(client, p).target(p.url);
 
 921         log.info("Sending file");
 
 922         long t1 = System.currentTimeMillis();
 
 924         HttpResponse r = new HttpResponse();
 
 927         if (!p.skipSending) {
 
 928             String tt = "application/octet-stream";
 
 929             Invocation.Builder invocationBuilder = webTarget.request(tt).accept(tt);
 
 934                 if (p.httpMethod == HttpMethod.POST) {
 
 935                     response = invocationBuilder.post(Entity.entity(data, tt));
 
 936                 } else if (p.httpMethod == HttpMethod.PUT) {
 
 937                     response = invocationBuilder.put(Entity.entity(data, tt));
 
 939                     throw new SvcLogicException("Http operation" + p.httpMethod + "not supported");
 
 941             } catch (ProcessingException e) {
 
 942                 throw new SvcLogicException(requestPostingException +
 
 943                     e.getLocalizedMessage(), e);
 
 946             r.code = response.getStatus();
 
 947             r.headers = response.getStringHeaders();
 
 948             EntityTag etag = response.getEntityTag();
 
 950                 r.message = etag.getValue();
 
 952             if (response.hasEntity() && r.code != 204) {
 
 953                 r.body = response.readEntity(String.class);
 
 957                 String newUrl = response.getStringHeaders().getFirst("Location");
 
 959                 log.info("Got response code 301. Sending same request to URL: {}", newUrl);
 
 961                     webTarget = client.target(newUrl);
 
 962                 invocationBuilder = webTarget.request(tt).accept(tt);
 
 965                     if (p.httpMethod == HttpMethod.POST) {
 
 966                         response = invocationBuilder.post(Entity.entity(data, tt));
 
 967                     } else if (p.httpMethod == HttpMethod.PUT) {
 
 968                         response = invocationBuilder.put(Entity.entity(data, tt));
 
 970                         throw new SvcLogicException("Http operation" + p.httpMethod + "not supported");
 
 972                 } catch (ProcessingException e) {
 
 973                     throw new SvcLogicException(requestPostingException +
 
 974                         e.getLocalizedMessage(), e);
 
 977                 r.code = response.getStatus();
 
 978                 etag = response.getEntityTag();
 
 980                     r.message = etag.getValue();
 
 982                 if (response.hasEntity() && r.code != 204) {
 
 983                     r.body = response.readEntity(String.class);
 
 988         long t2 = System.currentTimeMillis();
 
 989         log.info(responseReceivedMessage, t2 - t1);
 
 990         log.info(responseHttpCodeMessage, r.code);
 
 991         log.info("HTTP response message: {}", r.message);
 
 992         logHeaders(r.headers);
 
 993         log.info("HTTP response: {}", r.body);
 
 998     private UebParam getUebParameters(Map<String, String> paramMap) throws SvcLogicException {
 
 999         UebParam p = new UebParam();
 
1000         p.topic = parseParam(paramMap, "topic", true, null);
 
1001         p.templateFileName = parseParam(paramMap, "templateFileName", false, null);
 
1002         p.rootVarName = parseParam(paramMap, "rootVarName", false, null);
 
1003         p.responsePrefix = parseParam(paramMap, responsePrefix, false, null);
 
1004         String skipSendingStr = paramMap.get(skipSendingMessage);
 
1005         p.skipSending = "true".equalsIgnoreCase(skipSendingStr);
 
1009     protected void logProperties(Map<String, Object> mm) {
 
1010         List<String> ll = new ArrayList<>();
 
1011         for (Object o : mm.keySet()) {
 
1014         Collections.sort(ll);
 
1016         log.info("Properties:");
 
1017         for (String name : ll) {
 
1018             log.info("--- {}:{}", name, String.valueOf(mm.get(name)));
 
1022     protected void logHeaders(MultivaluedMap<String, String> mm) {
 
1023         log.info("HTTP response headers:");
 
1029         List<String> ll = new ArrayList<>();
 
1030         for (Object o : mm.keySet()) {
 
1033         Collections.sort(ll);
 
1035         for (String name : ll) {
 
1036             log.info("--- {}:{}", name, String.valueOf(mm.get(name)));
 
1040     protected HttpResponse postOnUeb(String request, UebParam p) throws SvcLogicException {
 
1041         String[] urls = uebServers.split(" ");
 
1042         for (int i = 0; i < urls.length; i++) {
 
1043             if (!urls[i].endsWith("/")) {
 
1046             urls[i] += "events/" + p.topic;
 
1049         Client client = ClientBuilder.newBuilder().build();
 
1050         client.property(ClientProperties.CONNECT_TIMEOUT, 5000);
 
1051         WebTarget webTarget = client.target(urls[0]);
 
1053         log.info("UEB URL: {}", urls[0]);
 
1054         log.info("Sending request:");
 
1056         long t1 = System.currentTimeMillis();
 
1058         HttpResponse r = new HttpResponse();
 
1061         if (!p.skipSending) {
 
1062             String tt = "application/json";
 
1063             String tt1 = tt + ";charset=UTF-8";
 
1066             Invocation.Builder invocationBuilder = webTarget.request(tt1).accept(tt);
 
1069                 response = invocationBuilder.post(Entity.entity(request, tt1));
 
1070             } catch (ProcessingException e) {
 
1071                 throw new SvcLogicException(requestPostingException +
 
1072                     e.getLocalizedMessage(), e);
 
1074             r.code = response.getStatus();
 
1075             r.headers = response.getStringHeaders();
 
1076             if (response.hasEntity()) {
 
1077                 r.body = response.readEntity(String.class);
 
1081         long t2 = System.currentTimeMillis();
 
1082         log.info(responseReceivedMessage, t2 - t1);
 
1083         log.info(responseHttpCodeMessage, r.code);
 
1084         logHeaders(r.headers);
 
1085         log.info("HTTP response:\n {}", r.body);
 
1090     public void setUebServers(String uebServers) {
 
1091         this.uebServers = uebServers;
 
1094     public void setDefaultUebTemplateFileName(String defaultUebTemplateFileName) {
 
1095         this.defaultUebTemplateFileName = defaultUebTemplateFileName;
 
1098     private static class FileParam {
 
1100         public String fileName;
 
1103         public String password;
 
1104         public HttpMethod httpMethod;
 
1105         public String responsePrefix;
 
1106         public boolean skipSending;
 
1107         public String oAuthConsumerKey;
 
1108         public String oAuthConsumerSecret;
 
1109         public String oAuthSignatureMethod;
 
1110         public String oAuthVersion;
 
1111         public AuthType authtype;
 
1114     private static class UebParam {
 
1116         public String topic;
 
1117         public String templateFileName;
 
1118         public String rootVarName;
 
1119         public String responsePrefix;
 
1120         public boolean skipSending;