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.util.ArrayList;
  35 import java.util.Collection;
  36 import java.util.Collections;
  37 import java.util.HashMap;
  38 import java.util.HashSet;
  39 import java.util.Iterator;
  40 import java.util.LinkedHashMap;
  41 import java.util.List;
  42 import java.util.Map;
  43 import java.util.Set;
  44 import java.util.stream.Collectors;
  45 import java.util.stream.IntStream;
  46 import java.util.stream.Stream;
  47
  48 import javax.script.SimpleBindings;
  49 import javax.servlet.http.HttpServletRequest;
  50 import javax.servlet.http.HttpServletResponse;
  51
  52 import org.json.JSONObject;
  53 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  54 import org.onap.policy.common.logging.flexlogger.Logger;
  55 import org.onap.policy.model.PDPGroupContainer;
  56 import org.onap.policy.model.Roles;
  57 import org.onap.policy.rest.adapter.AutoPushTabAdapter;
  58 import org.onap.policy.rest.dao.CommonClassDao;
  59 import org.onap.policy.rest.jpa.PolicyEntity;
  60 import org.onap.policy.rest.jpa.PolicyVersion;
  61 import org.onap.policy.rest.util.PdpPolicyContainer;
  62 import org.onap.policy.utils.PolicyUtils;
  63 import org.onap.policy.xacml.api.XACMLErrorConstants;
  64 import org.onap.policy.xacml.api.pap.OnapPDPGroup;
  65 import org.onap.policy.xacml.std.pap.StdPDPGroup;
  66 import org.onap.policy.xacml.std.pap.StdPDPPolicy;
  67 import org.onap.portalsdk.core.controller.RestrictedBaseController;
  68 import org.onap.portalsdk.core.web.support.JsonMessage;
  69 import org.onap.portalsdk.core.web.support.UserUtils;
  70 import org.springframework.beans.factory.annotation.Autowired;
  71 import org.springframework.http.MediaType;
  72 import org.springframework.stereotype.Controller;
  73 import org.springframework.web.bind.annotation.RequestMapping;
  74 import org.springframework.web.bind.annotation.RequestMethod;
  75 import org.springframework.web.servlet.ModelAndView;
  76
  77 @Controller
  78 @RequestMapping({"/"})
  79 public class AutoPushController extends RestrictedBaseController {
  80
  81     private static final Logger logger = FlexLogger.getLogger(AutoPushController.class);
  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     /**
 100      * refreshGroups.
 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     /**
 128      * getPolicyGroupContainerData.
 129      *
 130      * @param request HttpServletRequest
 131      * @param response HttpServletResponse
 132      */
 133     @RequestMapping(
 134             value = {"/get_AutoPushPoliciesContainerData"},
 135             method = {RequestMethod.GET},
 136             produces = MediaType.APPLICATION_JSON_VALUE)
 137     public void getPolicyGroupContainerData(HttpServletRequest request, HttpServletResponse response) {
 138         try {
 139             Set<String> scopes = new HashSet<>();
 140             List<String> roles = new ArrayList<>();
 141             List<Object> data = new ArrayList<>();
 142             Map<String, Object> model = new HashMap<>();
 143
 144             String userId = UserUtils.getUserSession(request).getOrgUserId();
 145
 146             PolicyController controller = policyController != null ? getPolicyController() : new PolicyController();
 147             List<Object> userRoles = controller.getRoles(userId);
 148             for (Object role : userRoles) {
 149                 Roles userRole = (Roles) role;
 150                 roles.add(userRole.getRole());
 151                 addAllScopes(userRole, scopes);
 152             }
 153
 154             if (roles.contains("super-admin") || roles.contains("super-editor") || roles.contains("super-guest")) {
 155                 data = commonClassDao.getData(PolicyVersion.class);
 156             } else {
 157                 if (!scopes.isEmpty()) {
 158                     for (String scope : scopes) {
 159                         scope += "%";
 160                         String query = "From PolicyVersion where policy_name like :scope and id > 0";
 161                         SimpleBindings params = new SimpleBindings();
 162                         params.put("scope", scope);
 163                         List<Object> filterdatas = commonClassDao.getDataByQuery(query, params);
 164                         if (filterdatas != null) {
 165                             data.addAll(filterdatas);
 166                         }
 167                     }
 168                 } else {
 169                     PolicyVersion emptyPolicyName = new PolicyVersion();
 170                     emptyPolicyName
 171                             .setPolicyName("Please Contact Policy Super Admin, There are no scopes assigned to you");
 172                     data.add(emptyPolicyName);
 173                 }
 174             }
 175             ObjectMapper mapper = new ObjectMapper();
 176             model.put("policydatas", mapper.writeValueAsString(data));
 177             JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
 178             response.getWriter().write(new JSONObject(msg).toString());
 179         } catch (Exception e) {
 180             logger.error("Exception Occurred" + e);
 181         }
 182     }
 183
 184     /**
 185      * pushPolicyToPDPGroup.
 186      *
 187      * @param request HttpServletRequest
 188      * @param response HttpServletResponse
 189      * @return ModelAndView
 190      * @throws IOException IOException
 191      */
 192     @RequestMapping(value = {"/auto_Push/PushPolicyToPDP.htm"}, method = {RequestMethod.POST})
 193     public ModelAndView pushPolicyToPDPGroup(HttpServletRequest request, HttpServletResponse response)
 194             throws IOException {
 195         try {
 196             response.setCharacterEncoding(PolicyUtils.CHARACTER_ENCODING);
 197             request.setCharacterEncoding(PolicyUtils.CHARACTER_ENCODING);
 198             //
 199             //
 200             //
 201             ArrayList<Object> selectedPdps = new ArrayList<>();
 202             ArrayList<String> selectedPoliciesInUI = new ArrayList<>();
 203             PolicyController controller = getPolicyControllerInstance();
 204             this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 205             ObjectMapper mapper = new ObjectMapper();
 206             this.container = new PDPGroupContainer(controller.getPapEngine());
 207             mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 208             JsonNode root = mapper.readTree(request.getReader());
 209
 210             String userId = UserUtils.getUserSession(request).getOrgUserId();
 211             logger.info(
 212                     "**********************Logging UserID while Pushing  Policy to PDP Group***********************");
 213             logger.info("UserId:  " + userId + "Push Policy Data:  " + root.get("pushTabData").toString());
 214             logger.info(
 215                     "**********************************************************************************************");
 216
 217             AutoPushTabAdapter adapter = mapper.readValue(root.get("pushTabData").toString(), AutoPushTabAdapter.class);
 218             for (Object pdpGroupId : adapter.getPdpDatas()) {
 219                 LinkedHashMap<?, ?> selectedPdp = (LinkedHashMap<?, ?>) pdpGroupId;
 220                 for (OnapPDPGroup pdpGroup : this.groups) {
 221                     if (pdpGroup.getId().equals(selectedPdp.get("id"))) {
 222                         selectedPdps.add(pdpGroup);
 223                     }
 224                 }
 225             }
 226
 227             for (Object policyId : adapter.getPolicyDatas()) {
 228                 LinkedHashMap<?, ?> selected = (LinkedHashMap<?, ?>) policyId;
 229                 String policyName =
 230                         selected.get("policyName").toString() + "." + selected.get("activeVersion").toString() + ".xml";
 231                 selectedPoliciesInUI.add(policyName);
 232             }
 233
 234             for (Object pdpDestinationGroupId : selectedPdps) {
 235                 Set<PDPPolicy> currentPoliciesInGroup = new HashSet<>();
 236                 Set<PDPPolicy> selectedPolicies = new HashSet<>();
 237                 for (String policyId : selectedPoliciesInUI) {
 238                     logger.debug("Handlepolicies..." + pdpDestinationGroupId + policyId);
 239
 240                     //
 241                     // Get the current selection
 242                     //
 243                     assert policyId != null;
 244                     // create the id of the target file
 245                     // Our standard for file naming is:
 246                     // <domain>.<filename>.<version>.xml
 247                     // since the file name usually has a ".xml", we need to strip
 248                     // that
 249                     // before adding the other parts
 250                     String name = policyId.replace(File.separator, ".");
 251                     String id = name;
 252                     if (id.endsWith(".xml")) {
 253                         id = id.replace(".xml", "");
 254                         id = id.substring(0, id.lastIndexOf('.'));
 255                     }
 256
 257                     // Default policy to be Root policy; user can change to deferred
 258                     // later
 259
 260                     StdPDPPolicy selectedPolicy = null;
 261                     String dbCheckName = name;
 262                     if (dbCheckName.contains("Config_")) {
 263                         dbCheckName = dbCheckName.replace(".Config_", ":Config_");
 264                     } else if (dbCheckName.contains("Action_")) {
 265                         dbCheckName = dbCheckName.replace(".Action_", ":Action_");
 266                     } else if (dbCheckName.contains("Decision_")) {
 267                         dbCheckName = dbCheckName.replace(".Decision_", ":Decision_");
 268                     }
 269                     String[] split = dbCheckName.split(":");
 270                     String query = "FROM PolicyEntity where policyName = :split_1 and scope = :split_0";
 271                     SimpleBindings policyParams = new SimpleBindings();
 272                     policyParams.put("split_1", split[1]);
 273                     policyParams.put("split_0", split[0]);
 274                     List<Object> queryData = controller.getDataByQuery(query, policyParams);
 275                     PolicyEntity policyEntity = (PolicyEntity) queryData.get(0);
 276                     File temp = new File(name);
 277                     BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
 278                     bw.write(policyEntity.getPolicyData());
 279                     bw.close();
 280                     try {
 281                         // Create the policy
 282                         selectedPolicy = new StdPDPPolicy(name, true, id, temp.toURI());
 283                     } catch (IOException e) {
 284                         logger.error("Unable to create policy '" + name + "': " + e.getMessage(), e);
 285                     }
 286                     StdPDPGroup selectedGroup = (StdPDPGroup) pdpDestinationGroupId;
 287                     if (selectedPolicy != null) {
 288                         // Add Current policies from container
 289                         for (OnapPDPGroup group : container.getGroups()) {
 290                             if (group.getId().equals(selectedGroup.getId())) {
 291                                 currentPoliciesInGroup.addAll(group.getPolicies());
 292                             }
 293                         }
 294                         // copy policy to PAP
 295                         try {
 296                             controller.getPapEngine().copyPolicy(selectedPolicy, (StdPDPGroup) pdpDestinationGroupId);
 297                         } catch (PAPException e) {
 298                             logger.error("Exception Occured" + e);
 299                             return null;
 300                         }
 301                         selectedPolicies.add(selectedPolicy);
 302                     }
 303                     temp.delete();
 304                 }
 305                 StdPDPGroup pdpGroup = (StdPDPGroup) pdpDestinationGroupId;
 306                 StdPDPGroup updatedGroupObject = new StdPDPGroup(pdpGroup.getId(), pdpGroup.isDefaultGroup(),
 307                         pdpGroup.getName(), pdpGroup.getDescription(), pdpGroup.getDirectory());
 308                 updatedGroupObject.setOnapPdps(pdpGroup.getOnapPdps());
 309                 updatedGroupObject.setPipConfigs(pdpGroup.getPipConfigs());
 310                 updatedGroupObject.setStatus(pdpGroup.getStatus());
 311                 updatedGroupObject.setOperation("push");
 312
 313                 // replace the original set of Policies with the set from the
 314                 // container (possibly modified by the user)
 315                 // do not allow multiple copies of same policy
 316                 Iterator<PDPPolicy> policyIterator = currentPoliciesInGroup.iterator();
 317                 logger.debug("policyIterator....." + selectedPolicies);
 318                 while (policyIterator.hasNext()) {
 319                     PDPPolicy existingPolicy = policyIterator.next();
 320                     for (PDPPolicy selPolicy : selectedPolicies) {
 321                         if (selPolicy.getName().equals(existingPolicy.getName())) {
 322                             if (selPolicy.getVersion().equals(existingPolicy.getVersion())) {
 323                                 if (selPolicy.getId().equals(existingPolicy.getId())) {
 324                                     policyIterator.remove();
 325                                     logger.debug("Removing policy: " + selPolicy);
 326                                     break;
 327                                 }
 328                             } else {
 329                                 policyIterator.remove();
 330                                 logger.debug("Removing Old Policy version: " + selPolicy);
 331                                 break;
 332                             }
 333                         }
 334                     }
 335                 }
 336
 337                 currentPoliciesInGroup.addAll(selectedPolicies);
 338                 updatedGroupObject.setPolicies(currentPoliciesInGroup);
 339                 this.container.updateGroup(updatedGroupObject, userId);
 340                 response.setContentType(PolicyUtils.APPLICATION_JSON);
 341                 refreshGroups();
 342                 response.getWriter().write(new JSONObject(
 343                         new JsonMessage(mapper.writeValueAsString(groups))).toString());
 344             }
 345         } catch (Exception e) {
 346             logger.error(e);
 347             response.getWriter().write(PolicyUtils.CATCH_EXCEPTION);
 348         }
 349         return null;
 350     }
 351
 352     /**
 353      * removePDPGroup.
 354      */
 355     @SuppressWarnings("unchecked")
 356     @RequestMapping(value = {"/auto_Push/remove_GroupPolicies.htm"}, method = {RequestMethod.POST})
 357     public ModelAndView removePDPGroup(HttpServletRequest request, HttpServletResponse response) throws IOException {
 358         try {
 359             response.setCharacterEncoding(PolicyUtils.CHARACTER_ENCODING);
 360             request.setCharacterEncoding(PolicyUtils.CHARACTER_ENCODING);
 361             //
 362             //
 363             //
 364             PolicyController controller = getPolicyControllerInstance();
 365             this.container = new PDPGroupContainer(controller.getPapEngine());
 366             ObjectMapper mapper = new ObjectMapper();
 367             mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 368             JsonNode root = mapper.readTree(request.getReader());
 369             final StdPDPGroup group = mapper.readValue(root.get("activePdpGroup").toString(), StdPDPGroup.class);
 370             final JsonNode removePolicyData = root.get("data");
 371
 372             String userId = UserUtils.getUserSession(request).getOrgUserId();
 373             logger.info(
 374                     "**********************Logging UserID while Removing Policy from PDP Group*********************");
 375             logger.info("UserId:  " + userId + "PDP Group Data:  " + root.get("activePdpGroup").toString()
 376                     + "Remove Policy Data: " + root.get("data"));
 377             logger.info(
 378                     "**********************************************************************************************");
 379
 380             policyContainer = new PdpPolicyContainer(group);
 381             if (removePolicyData.size() > 0) {
 382                 IntStream.range(0, removePolicyData.size()).mapToObj(i -> removePolicyData.get(i).toString())
 383                         .forEach(polData -> this.policyContainer.removeItem(polData));
 384                 Set<PDPPolicy> changedPolicies =
 385                         new HashSet<>((Collection<PDPPolicy>) this.policyContainer.getItemIds());
 386                 StdPDPGroup updatedGroupObject = new StdPDPGroup(group.getId(), group.isDefaultGroup(), group.getName(),
 387                         group.getDescription(), null);
 388                 updatedGroupObject.setPolicies(changedPolicies);
 389                 updatedGroupObject.setOnapPdps(group.getOnapPdps());
 390                 updatedGroupObject.setPipConfigs(group.getPipConfigs());
 391                 updatedGroupObject.setStatus(group.getStatus());
 392                 updatedGroupObject.setOperation("delete");
 393                 this.container.updateGroup(updatedGroupObject);
 394             }
 395
 396             response.setContentType(PolicyUtils.APPLICATION_JSON);
 397
 398             refreshGroups();
 399             response.getWriter().write(new JSONObject(new JsonMessage(mapper.writeValueAsString(groups))).toString());
 400         } catch (Exception e) {
 401             logger.error(e);
 402             response.getWriter().write(PolicyUtils.CATCH_EXCEPTION);
 403         }
 404         return null;
 405     }
 406 }