POLICY-SDK-APP/src/main/java/org/onap/policy/controller/AutoPushController.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
   6  * Modifications Copyright (C) 2019 Bell Canada
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.policy.controller;
  23
  24 import com.att.research.xacml.api.pap.PAPException;
  25 import com.att.research.xacml.api.pap.PDPPolicy;
  26 import com.fasterxml.jackson.databind.DeserializationFeature;
  27 import com.fasterxml.jackson.databind.JsonNode;
  28 import com.fasterxml.jackson.databind.ObjectMapper;
  29
  30 import java.io.BufferedWriter;
  31 import java.io.File;
  32 import java.io.FileWriter;
  33 import java.io.IOException;
  34 import java.io.PrintWriter;
  35 import java.net.URI;
  36 import java.util.ArrayList;
  37 import java.util.Collection;
  38 import java.util.Collections;
  39 import java.util.HashMap;
  40 import java.util.HashSet;
  41 import java.util.Iterator;
  42 import java.util.LinkedHashMap;
  43 import java.util.List;
  44 import java.util.Map;
  45 import java.util.Set;
  46 import java.util.stream.Collectors;
  47 import java.util.stream.IntStream;
  48 import java.util.stream.Stream;
  49
  50 import javax.script.SimpleBindings;
  51 import javax.servlet.http.HttpServletRequest;
  52 import javax.servlet.http.HttpServletResponse;
  53
  54 import org.json.JSONObject;
  55 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  56 import org.onap.policy.common.logging.flexlogger.Logger;
  57 import org.onap.policy.model.PDPGroupContainer;
  58 import org.onap.policy.model.Roles;
  59 import org.onap.policy.rest.adapter.AutoPushTabAdapter;
  60 import org.onap.policy.rest.dao.CommonClassDao;
  61 import org.onap.policy.rest.jpa.PolicyEntity;
  62 import org.onap.policy.rest.jpa.PolicyVersion;
  63 import org.onap.policy.rest.util.PDPPolicyContainer;
  64 import org.onap.policy.utils.PolicyUtils;
  65 import org.onap.policy.xacml.api.XACMLErrorConstants;
  66 import org.onap.policy.xacml.api.pap.OnapPDPGroup;
  67 import org.onap.policy.xacml.std.pap.StdPDPGroup;
  68 import org.onap.policy.xacml.std.pap.StdPDPPolicy;
  69 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  70 import org.onap.portalsdk.core.web.support.JsonMessage;
  71 import org.onap.portalsdk.core.web.support.UserUtils;
  72 import org.springframework.beans.factory.annotation.Autowired;
  73 import org.springframework.http.MediaType;
  74 import org.springframework.stereotype.Controller;
  75 import org.springframework.web.bind.annotation.RequestMapping;
  76 import org.springframework.web.bind.annotation.RequestMethod;
  77 import org.springframework.web.servlet.ModelAndView;
  78
  79 @Controller
  80 @RequestMapping({"/"})
  81 public class AutoPushController extends RestrictedBaseController {
  82
  83     private static final Logger logger = FlexLogger.getLogger(AutoPushController.class);
  84     private static final String UTF8 = "UTF-8";
  85
  86     @Autowired
  87     CommonClassDao commonClassDao;
  88
  89     private PDPGroupContainer container;
  90     private PDPPolicyContainer policyContainer;
  91     private PolicyController policyController;
  92     protected List<OnapPDPGroup> groups = Collections.synchronizedList(new ArrayList<>());
  93
  94     public PolicyController getPolicyController() {
  95         return policyController;
  96     }
  97
  98     public void setPolicyController(PolicyController policyController) {
  99         this.policyController = policyController;
 100     }
 101
 102     public synchronized void refreshGroups() {
 103         synchronized (this.groups) {
 104             this.groups.clear();
 105             try {
 106                 PolicyController controller = getPolicyControllerInstance();
 107                 this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 108             } catch (PAPException e) {
 109                 String message = "Unable to retrieve Groups from server: " + e;
 110                 logger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + message);
 111             }
 112
 113         }
 114     }
 115
 116     private PolicyController getPolicyControllerInstance() {
 117         return policyController != null ? getPolicyController() : new PolicyController();
 118     }
 119
 120     private Set<String> addAllScopes(Roles userRole, Set<String> scopes) {
 121         if (userRole.getScope() != null) {
 122             scopes.addAll(Stream.of(userRole.getScope().split(",")).collect(Collectors.toSet()));
 123         }
 124         return scopes;
 125     }
 126
 127     @RequestMapping(
 128             value = {"/get_AutoPushPoliciesContainerData"},
 129             method = {RequestMethod.GET},
 130             produces = MediaType.APPLICATION_JSON_VALUE)
 131     public void getPolicyGroupContainerData(HttpServletRequest request, HttpServletResponse response) {
 132         try {
 133             Set<String> scopes = new HashSet<>();
 134             List<String> roles = new ArrayList<>();
 135             List<Object> data = new ArrayList<>();
 136             Map<String, Object> model = new HashMap<>();
 137
 138             String userId = UserUtils.getUserSession(request).getOrgUserId();
 139
 140             PolicyController controller = policyController != null ? getPolicyController() : new PolicyController();
 141             List<Object> userRoles = controller.getRoles(userId);
 142             for (Object role : userRoles) {
 143                 Roles userRole = (Roles) role;
 144                 roles.add(userRole.getRole());
 145                 addAllScopes(userRole, scopes);
 146             }
 147
 148             if (roles.contains("super-admin") || roles.contains("super-editor") || roles.contains("super-guest")) {
 149                 data = commonClassDao.getData(PolicyVersion.class);
 150             } else {
 151                 if (!scopes.isEmpty()) {
 152                     for (String scope : scopes) {
 153                         scope += "%";
 154                         String query = "From PolicyVersion where policy_name like :scope and id > 0";
 155                         SimpleBindings params = new SimpleBindings();
 156                         params.put("scope", scope);
 157                         List<Object> filterdatas = commonClassDao.getDataByQuery(query, params);
 158                         if (filterdatas != null) {
 159                             data.addAll(filterdatas);
 160                         }
 161                     }
 162                 } else {
 163                     PolicyVersion emptyPolicyName = new PolicyVersion();
 164                     emptyPolicyName
 165                             .setPolicyName("Please Contact Policy Super Admin, There are no scopes assigned to you");
 166                     data.add(emptyPolicyName);
 167                 }
 168             }
 169             ObjectMapper mapper = new ObjectMapper();
 170             model.put("policydatas", mapper.writeValueAsString(data));
 171             JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
 172             JSONObject j = new JSONObject(msg);
 173             response.getWriter().write(j.toString());
 174         } catch (Exception e) {
 175             logger.error("Exception Occurred" + e);
 176         }
 177     }
 178
 179     @RequestMapping(value = {"/auto_Push/PushPolicyToPDP.htm"}, method = {RequestMethod.POST})
 180     public ModelAndView pushPolicyToPDPGroup(HttpServletRequest request, HttpServletResponse response)
 181             throws IOException {
 182         try {
 183             ArrayList<Object> selectedPDPS = new ArrayList<>();
 184             ArrayList<String> selectedPoliciesInUI = new ArrayList<>();
 185             PolicyController controller = getPolicyControllerInstance();
 186             this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 187             ObjectMapper mapper = new ObjectMapper();
 188             this.container = new PDPGroupContainer(controller.getPapEngine());
 189             mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 190             JsonNode root = mapper.readTree(request.getReader());
 191
 192             String userId = UserUtils.getUserSession(request).getOrgUserId();
 193             logger.info(
 194                     "****************************************Logging UserID while Pushing  Policy to PDP Group*****************************************");
 195             logger.info("UserId:  " + userId + "Push Policy Data:  " + root.get("pushTabData").toString());
 196             logger.info(
 197                     "***********************************************************************************************************************************");
 198
 199             AutoPushTabAdapter adapter = mapper.readValue(root.get("pushTabData").toString(), AutoPushTabAdapter.class);
 200             for (Object pdpGroupId : adapter.getPdpDatas()) {
 201                 LinkedHashMap<?, ?> selectedPDP = (LinkedHashMap<?, ?>) pdpGroupId;
 202                 for (OnapPDPGroup pdpGroup : this.groups) {
 203                     if (pdpGroup.getId().equals(selectedPDP.get("id"))) {
 204                         selectedPDPS.add(pdpGroup);
 205                     }
 206                 }
 207             }
 208
 209             for (Object policyId : adapter.getPolicyDatas()) {
 210                 LinkedHashMap<?, ?> selected = (LinkedHashMap<?, ?>) policyId;
 211                 String policyName =
 212                         selected.get("policyName").toString() + "." + selected.get("activeVersion").toString() + ".xml";
 213                 selectedPoliciesInUI.add(policyName);
 214             }
 215
 216             for (Object pdpDestinationGroupId : selectedPDPS) {
 217                 Set<PDPPolicy> currentPoliciesInGroup = new HashSet<>();
 218                 Set<PDPPolicy> selectedPolicies = new HashSet<>();
 219                 for (String policyId : selectedPoliciesInUI) {
 220                     logger.debug("Handlepolicies..." + pdpDestinationGroupId + policyId);
 221
 222                     //
 223                     // Get the current selection
 224                     //
 225                     assert policyId != null;
 226                     // create the id of the target file
 227                     // Our standard for file naming is:
 228                     // <domain>.<filename>.<version>.xml
 229                     // since the file name usually has a ".xml", we need to strip
 230                     // that
 231                     // before adding the other parts
 232                     String name = policyId.replace(File.separator, ".");
 233                     String id = name;
 234                     if (id.endsWith(".xml")) {
 235                         id = id.replace(".xml", "");
 236                         id = id.substring(0, id.lastIndexOf('.'));
 237                     }
 238
 239                     // Default policy to be Root policy; user can change to deferred
 240                     // later
 241
 242                     StdPDPPolicy selectedPolicy = null;
 243                     String dbCheckName = name;
 244                     if (dbCheckName.contains("Config_")) {
 245                         dbCheckName = dbCheckName.replace(".Config_", ":Config_");
 246                     } else if (dbCheckName.contains("Action_")) {
 247                         dbCheckName = dbCheckName.replace(".Action_", ":Action_");
 248                     } else if (dbCheckName.contains("Decision_")) {
 249                         dbCheckName = dbCheckName.replace(".Decision_", ":Decision_");
 250                     }
 251                     String[] split = dbCheckName.split(":");
 252                     String query = "FROM PolicyEntity where policyName = :split_1 and scope = :split_0";
 253                     SimpleBindings policyParams = new SimpleBindings();
 254                     policyParams.put("split_1", split[1]);
 255                     policyParams.put("split_0", split[0]);
 256                     List<Object> queryData = controller.getDataByQuery(query, policyParams);
 257                     PolicyEntity policyEntity = (PolicyEntity) queryData.get(0);
 258                     File temp = new File(name);
 259                     BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
 260                     bw.write(policyEntity.getPolicyData());
 261                     bw.close();
 262                     URI selectedURI = temp.toURI();
 263                     try {
 264                         // Create the policy
 265                         selectedPolicy = new StdPDPPolicy(name, true, id, selectedURI);
 266                     } catch (IOException e) {
 267                         logger.error("Unable to create policy '" + name + "': " + e.getMessage(), e);
 268                     }
 269                     StdPDPGroup selectedGroup = (StdPDPGroup) pdpDestinationGroupId;
 270                     if (selectedPolicy != null) {
 271                         // Add Current policies from container
 272                         for (OnapPDPGroup group : container.getGroups()) {
 273                             if (group.getId().equals(selectedGroup.getId())) {
 274                                 currentPoliciesInGroup.addAll(group.getPolicies());
 275                             }
 276                         }
 277                         // copy policy to PAP
 278                         try {
 279                             controller.getPapEngine().copyPolicy(selectedPolicy, (StdPDPGroup) pdpDestinationGroupId);
 280                         } catch (PAPException e) {
 281                             logger.error("Exception Occured" + e);
 282                             return null;
 283                         }
 284                         selectedPolicies.add(selectedPolicy);
 285                     }
 286                     temp.delete();
 287                 }
 288                 StdPDPGroup pdpGroup = (StdPDPGroup) pdpDestinationGroupId;
 289                 StdPDPGroup updatedGroupObject = new StdPDPGroup(pdpGroup.getId(), pdpGroup.isDefaultGroup(),
 290                         pdpGroup.getName(), pdpGroup.getDescription(), pdpGroup.getDirectory());
 291                 updatedGroupObject.setOnapPdps(pdpGroup.getOnapPdps());
 292                 updatedGroupObject.setPipConfigs(pdpGroup.getPipConfigs());
 293                 updatedGroupObject.setStatus(pdpGroup.getStatus());
 294                 updatedGroupObject.setOperation("push");
 295
 296                 // replace the original set of Policies with the set from the
 297                 // container (possibly modified by the user)
 298                 // do not allow multiple copies of same policy
 299                 Iterator<PDPPolicy> policyIterator = currentPoliciesInGroup.iterator();
 300                 logger.debug("policyIterator....." + selectedPolicies);
 301                 while (policyIterator.hasNext()) {
 302                     PDPPolicy existingPolicy = policyIterator.next();
 303                     for (PDPPolicy selPolicy : selectedPolicies) {
 304                         if (selPolicy.getName().equals(existingPolicy.getName())) {
 305                             if (selPolicy.getVersion().equals(existingPolicy.getVersion())) {
 306                                 if (selPolicy.getId().equals(existingPolicy.getId())) {
 307                                     policyIterator.remove();
 308                                     logger.debug("Removing policy: " + selPolicy);
 309                                     break;
 310                                 }
 311                             } else {
 312                                 policyIterator.remove();
 313                                 logger.debug("Removing Old Policy version: " + selPolicy);
 314                                 break;
 315                             }
 316                         }
 317                     }
 318                 }
 319
 320                 currentPoliciesInGroup.addAll(selectedPolicies);
 321                 updatedGroupObject.setPolicies(currentPoliciesInGroup);
 322                 this.container.updateGroup(updatedGroupObject, userId);
 323
 324                 response.setCharacterEncoding(UTF8);
 325                 response.setContentType("application / json");
 326                 request.setCharacterEncoding(UTF8);
 327
 328                 PrintWriter out = response.getWriter();
 329                 refreshGroups();
 330                 JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 331                 JSONObject j = new JSONObject(msg);
 332                 out.write(j.toString());
 333                 //
 334                 // Why is this here? This defeats the purpose of the loop??
 335                 // Sonar says to remove it or make it conditional
 336                 //
 337                 return null;
 338             }
 339         } catch (Exception e) {
 340             response.setCharacterEncoding(UTF8);
 341             request.setCharacterEncoding(UTF8);
 342             PrintWriter out = response.getWriter();
 343             logger.error(e);
 344             out.write(PolicyUtils.CATCH_EXCEPTION);
 345         }
 346         return null;
 347     }
 348
 349     @SuppressWarnings("unchecked")
 350     @RequestMapping(value = {"/auto_Push/remove_GroupPolicies.htm"}, method = {RequestMethod.POST})
 351     public ModelAndView removePDPGroup(HttpServletRequest request, HttpServletResponse response) throws IOException {
 352         try {
 353             PolicyController controller = getPolicyControllerInstance();
 354             this.container = new PDPGroupContainer(controller.getPapEngine());
 355             ObjectMapper mapper = new ObjectMapper();
 356             mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 357             JsonNode root = mapper.readTree(request.getReader());
 358             StdPDPGroup group = mapper.readValue(root.get("activePdpGroup").toString(), StdPDPGroup.class);
 359             JsonNode removePolicyData = root.get("data");
 360
 361             String userId = UserUtils.getUserSession(request).getOrgUserId();
 362             logger.info(
 363                     "****************************************Logging UserID while Removing Policy from PDP Group*****************************************");
 364             logger.info("UserId:  " + userId + "PDP Group Data:  " + root.get("activePdpGroup").toString()
 365                     + "Remove Policy Data: " + root.get("data"));
 366             logger.info(
 367                     "***********************************************************************************************************************************");
 368
 369             policyContainer = new PDPPolicyContainer(group);
 370             if (removePolicyData.size() > 0) {
 371                 IntStream.range(0, removePolicyData.size()).mapToObj(i -> removePolicyData.get(i).toString())
 372                         .forEach(polData -> this.policyContainer.removeItem(polData));
 373                 Set<PDPPolicy> changedPolicies =
 374                         new HashSet<>((Collection<PDPPolicy>) this.policyContainer.getItemIds());
 375                 StdPDPGroup updatedGroupObject = new StdPDPGroup(group.getId(), group.isDefaultGroup(), group.getName(),
 376                         group.getDescription(), null);
 377                 updatedGroupObject.setPolicies(changedPolicies);
 378                 updatedGroupObject.setOnapPdps(group.getOnapPdps());
 379                 updatedGroupObject.setPipConfigs(group.getPipConfigs());
 380                 updatedGroupObject.setStatus(group.getStatus());
 381                 updatedGroupObject.setOperation("delete");
 382                 this.container.updateGroup(updatedGroupObject);
 383             }
 384
 385             response.setCharacterEncoding(UTF8);
 386             response.setContentType("application / json");
 387             request.setCharacterEncoding(UTF8);
 388
 389             PrintWriter out = response.getWriter();
 390             refreshGroups();
 391             JsonMessage msg = new JsonMessage(mapper.writeValueAsString(groups));
 392             JSONObject j = new JSONObject(msg);
 393
 394             out.write(j.toString());
 395
 396             return null;
 397         } catch (Exception e) {
 398             response.setCharacterEncoding(UTF8);
 399             request.setCharacterEncoding(UTF8);
 400             PrintWriter out = response.getWriter();
 401             logger.error(e);
 402             out.write(PolicyUtils.CATCH_EXCEPTION);
 403         }
 404         return null;
 405     }
 406 }