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