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