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     private static final String UTF8 = "UTF-8";
  83
  84     @Autowired
  85     CommonClassDao commonClassDao;
  86
  87     private PDPGroupContainer container;
  88     private PDPPolicyContainer policyContainer;
  89     private PolicyController policyController;
  90     protected List<OnapPDPGroup> groups = Collections.synchronizedList(new ArrayList<>());
  91
  92     public PolicyController getPolicyController() {
  93         return policyController;
  94     }
  95
  96     public void setPolicyController(PolicyController policyController) {
  97         this.policyController = policyController;
  98     }
  99
 100     /**
 101      * refreshGroups.
 102      */
 103     public synchronized void refreshGroups() {
 104         synchronized (this.groups) {
 105             this.groups.clear();
 106             try {
 107                 PolicyController controller = getPolicyControllerInstance();
 108                 this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 109             } catch (PAPException e) {
 110                 String message = "Unable to retrieve Groups from server: " + e;
 111                 logger.error(XACMLErrorConstants.ERROR_DATA_ISSUE + message);
 112             }
 113
 114         }
 115     }
 116
 117     private PolicyController getPolicyControllerInstance() {
 118         return policyController != null ? getPolicyController() : new PolicyController();
 119     }
 120
 121     private Set<String> addAllScopes(Roles userRole, Set<String> scopes) {
 122         if (userRole.getScope() != null) {
 123             scopes.addAll(Stream.of(userRole.getScope().split(",")).collect(Collectors.toSet()));
 124         }
 125         return scopes;
 126     }
 127
 128     /**
 129      * getPolicyGroupContainerData.
 130      *
 131      * @param request HttpServletRequest
 132      * @param response HttpServletResponse
 133      */
 134     @RequestMapping(
 135             value = {"/get_AutoPushPoliciesContainerData"},
 136             method = {RequestMethod.GET},
 137             produces = MediaType.APPLICATION_JSON_VALUE)
 138     public void getPolicyGroupContainerData(HttpServletRequest request, HttpServletResponse response) {
 139         try {
 140             Set<String> scopes = new HashSet<>();
 141             List<String> roles = new ArrayList<>();
 142             List<Object> data = new ArrayList<>();
 143             Map<String, Object> model = new HashMap<>();
 144
 145             String userId = UserUtils.getUserSession(request).getOrgUserId();
 146
 147             PolicyController controller = policyController != null ? getPolicyController() : new PolicyController();
 148             List<Object> userRoles = controller.getRoles(userId);
 149             for (Object role : userRoles) {
 150                 Roles userRole = (Roles) role;
 151                 roles.add(userRole.getRole());
 152                 addAllScopes(userRole, scopes);
 153             }
 154
 155             if (roles.contains("super-admin") || roles.contains("super-editor") || roles.contains("super-guest")) {
 156                 data = commonClassDao.getData(PolicyVersion.class);
 157             } else {
 158                 if (!scopes.isEmpty()) {
 159                     for (String scope : scopes) {
 160                         scope += "%";
 161                         String query = "From PolicyVersion where policy_name like :scope and id > 0";
 162                         SimpleBindings params = new SimpleBindings();
 163                         params.put("scope", scope);
 164                         List<Object> filterdatas = commonClassDao.getDataByQuery(query, params);
 165                         if (filterdatas != null) {
 166                             data.addAll(filterdatas);
 167                         }
 168                     }
 169                 } else {
 170                     PolicyVersion emptyPolicyName = new PolicyVersion();
 171                     emptyPolicyName
 172                             .setPolicyName("Please Contact Policy Super Admin, There are no scopes assigned to you");
 173                     data.add(emptyPolicyName);
 174                 }
 175             }
 176             ObjectMapper mapper = new ObjectMapper();
 177             model.put("policydatas", mapper.writeValueAsString(data));
 178             JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
 179             response.getWriter().write(new JSONObject(msg).toString());
 180         } catch (Exception e) {
 181             logger.error("Exception Occurred" + e);
 182         }
 183     }
 184
 185     /**
 186      * pushPolicyToPDPGroup.
 187      *
 188      * @param request HttpServletRequest
 189      * @param response HttpServletResponse
 190      * @return ModelAndView
 191      * @throws IOException IOException
 192      */
 193     @RequestMapping(value = {"/auto_Push/PushPolicyToPDP.htm"}, method = {RequestMethod.POST})
 194     public ModelAndView pushPolicyToPDPGroup(HttpServletRequest request, HttpServletResponse response)
 195             throws IOException {
 196         try {
 197             ArrayList<Object> selectedPdps = new ArrayList<>();
 198             ArrayList<String> selectedPoliciesInUI = new ArrayList<>();
 199             PolicyController controller = getPolicyControllerInstance();
 200             this.groups.addAll(controller.getPapEngine().getOnapPDPGroups());
 201             ObjectMapper mapper = new ObjectMapper();
 202             this.container = new PDPGroupContainer(controller.getPapEngine());
 203             mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 204             JsonNode root = mapper.readTree(request.getReader());
 205
 206             String userId = UserUtils.getUserSession(request).getOrgUserId();
 207             logger.info(
 208                     "**********************Logging UserID while Pushing  Policy to PDP Group***********************");
 209             logger.info("UserId:  " + userId + "Push Policy Data:  " + root.get("pushTabData").toString());
 210             logger.info(
 211                     "**********************************************************************************************");
 212
 213             AutoPushTabAdapter adapter = mapper.readValue(root.get("pushTabData").toString(), AutoPushTabAdapter.class);
 214             for (Object pdpGroupId : adapter.getPdpDatas()) {
 215                 LinkedHashMap<?, ?> selectedPdp = (LinkedHashMap<?, ?>) pdpGroupId;
 216                 for (OnapPDPGroup pdpGroup : this.groups) {
 217                     if (pdpGroup.getId().equals(selectedPdp.get("id"))) {
 218                         selectedPdps.add(pdpGroup);
 219                     }
 220                 }
 221             }
 222
 223             for (Object policyId : adapter.getPolicyDatas()) {
 224                 LinkedHashMap<?, ?> selected = (LinkedHashMap<?, ?>) policyId;
 225                 String policyName =
 226                         selected.get("policyName").toString() + "." + selected.get("activeVersion").toString() + ".xml";
 227                 selectedPoliciesInUI.add(policyName);
 228             }
 229
 230             for (Object pdpDestinationGroupId : selectedPdps) {
 231                 Set<PDPPolicy> currentPoliciesInGroup = new HashSet<>();
 232                 Set<PDPPolicy> selectedPolicies = new HashSet<>();
 233                 for (String policyId : selectedPoliciesInUI) {
 234                     logger.debug("Handlepolicies..." + pdpDestinationGroupId + policyId);
 235
 236                     //
 237                     // Get the current selection
 238                     //
 239                     assert policyId != null;
 240                     // create the id of the target file
 241                     // Our standard for file naming is:
 242                     // <domain>.<filename>.<version>.xml
 243                     // since the file name usually has a ".xml", we need to strip
 244                     // that
 245                     // before adding the other parts
 246                     String name = policyId.replace(File.separator, ".");
 247                     String id = name;
 248                     if (id.endsWith(".xml")) {
 249                         id = id.replace(".xml", "");
 250                         id = id.substring(0, id.lastIndexOf('.'));
 251                     }
 252
 253                     // Default policy to be Root policy; user can change to deferred
 254                     // later
 255
 256                     StdPDPPolicy selectedPolicy = null;
 257                     String dbCheckName = name;
 258                     if (dbCheckName.contains("Config_")) {
 259                         dbCheckName = dbCheckName.replace(".Config_", ":Config_");
 260                     } else if (dbCheckName.contains("Action_")) {
 261                         dbCheckName = dbCheckName.replace(".Action_", ":Action_");
 262                     } else if (dbCheckName.contains("Decision_")) {
 263                         dbCheckName = dbCheckName.replace(".Decision_", ":Decision_");
 264                     }
 265                     String[] split = dbCheckName.split(":");
 266                     String query = "FROM PolicyEntity where policyName = :split_1 and scope = :split_0";
 267                     SimpleBindings policyParams = new SimpleBindings();
 268                     policyParams.put("split_1", split[1]);
 269                     policyParams.put("split_0", split[0]);
 270                     List<Object> queryData = controller.getDataByQuery(query, policyParams);
 271                     PolicyEntity policyEntity = (PolicyEntity) queryData.get(0);
 272                     File temp = new File(name);
 273                     BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
 274                     bw.write(policyEntity.getPolicyData());
 275                     bw.close();
 276                     try {
 277                         // Create the policy
 278                         selectedPolicy = new StdPDPPolicy(name, true, id, temp.toURI());
 279                     } catch (IOException e) {
 280                         logger.error("Unable to create policy '" + name + "': " + e.getMessage(), e);
 281                     }
 282                     StdPDPGroup selectedGroup = (StdPDPGroup) pdpDestinationGroupId;
 283                     if (selectedPolicy != null) {
 284                         // Add Current policies from container
 285                         for (OnapPDPGroup group : container.getGroups()) {
 286                             if (group.getId().equals(selectedGroup.getId())) {
 287                                 currentPoliciesInGroup.addAll(group.getPolicies());
 288                             }
 289                         }
 290                         // copy policy to PAP
 291                         try {
 292                             controller.getPapEngine().copyPolicy(selectedPolicy, (StdPDPGroup) pdpDestinationGroupId);
 293                         } catch (PAPException e) {
 294                             logger.error("Exception Occured" + e);
 295                             return null;
 296                         }
 297                         selectedPolicies.add(selectedPolicy);
 298                     }
 299                     temp.delete();
 300                 }
 301                 StdPDPGroup pdpGroup = (StdPDPGroup) pdpDestinationGroupId;
 302                 StdPDPGroup updatedGroupObject = new StdPDPGroup(pdpGroup.getId(), pdpGroup.isDefaultGroup(),
 303                         pdpGroup.getName(), pdpGroup.getDescription(), pdpGroup.getDirectory());
 304                 updatedGroupObject.setOnapPdps(pdpGroup.getOnapPdps());
 305                 updatedGroupObject.setPipConfigs(pdpGroup.getPipConfigs());
 306                 updatedGroupObject.setStatus(pdpGroup.getStatus());
 307                 updatedGroupObject.setOperation("push");
 308
 309                 // replace the original set of Policies with the set from the
 310                 // container (possibly modified by the user)
 311                 // do not allow multiple copies of same policy
 312                 Iterator<PDPPolicy> policyIterator = currentPoliciesInGroup.iterator();
 313                 logger.debug("policyIterator....." + selectedPolicies);
 314                 while (policyIterator.hasNext()) {
 315                     PDPPolicy existingPolicy = policyIterator.next();
 316                     for (PDPPolicy selPolicy : selectedPolicies) {
 317                         if (selPolicy.getName().equals(existingPolicy.getName())) {
 318                             if (selPolicy.getVersion().equals(existingPolicy.getVersion())) {
 319                                 if (selPolicy.getId().equals(existingPolicy.getId())) {
 320                                     policyIterator.remove();
 321                                     logger.debug("Removing policy: " + selPolicy);
 322                                     break;
 323                                 }
 324                             } else {
 325                                 policyIterator.remove();
 326                                 logger.debug("Removing Old Policy version: " + selPolicy);
 327                                 break;
 328                             }
 329                         }
 330                     }
 331                 }
 332
 333                 currentPoliciesInGroup.addAll(selectedPolicies);
 334                 updatedGroupObject.setPolicies(currentPoliciesInGroup);
 335                 this.container.updateGroup(updatedGroupObject, userId);
 336
 337                 response.setCharacterEncoding(UTF8);
 338                 response.setContentType("application / json");
 339                 request.setCharacterEncoding(UTF8);
 340
 341                 refreshGroups();
 342                 response.getWriter().write(new JSONObject(
 343                         new JsonMessage(mapper.writeValueAsString(groups))).toString());
 344             }
 345         } catch (Exception e) {
 346             response.setCharacterEncoding(UTF8);
 347             request.setCharacterEncoding(UTF8);
 348             logger.error(e);
 349             response.getWriter().write(PolicyUtils.CATCH_EXCEPTION);
 350         }
 351         return null;
 352     }
 353
 354     /**
 355      * removePDPGroup.
 356      */
 357     @SuppressWarnings("unchecked")
 358     @RequestMapping(value = {"/auto_Push/remove_GroupPolicies.htm"}, method = {RequestMethod.POST})
 359     public ModelAndView removePDPGroup(HttpServletRequest request, HttpServletResponse response) throws IOException {
 360         try {
 361             PolicyController controller = getPolicyControllerInstance();
 362             this.container = new PDPGroupContainer(controller.getPapEngine());
 363             ObjectMapper mapper = new ObjectMapper();
 364             mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 365             JsonNode root = mapper.readTree(request.getReader());
 366             final StdPDPGroup group = mapper.readValue(root.get("activePdpGroup").toString(), StdPDPGroup.class);
 367             final JsonNode removePolicyData = root.get("data");
 368
 369             String userId = UserUtils.getUserSession(request).getOrgUserId();
 370             logger.info(
 371                     "**********************Logging UserID while Removing Policy from PDP Group*********************");
 372             logger.info("UserId:  " + userId + "PDP Group Data:  " + root.get("activePdpGroup").toString()
 373                     + "Remove Policy Data: " + root.get("data"));
 374             logger.info(
 375                     "**********************************************************************************************");
 376
 377             policyContainer = new PDPPolicyContainer(group);
 378             if (removePolicyData.size() > 0) {
 379                 IntStream.range(0, removePolicyData.size()).mapToObj(i -> removePolicyData.get(i).toString())
 380                         .forEach(polData -> this.policyContainer.removeItem(polData));
 381                 Set<PDPPolicy> changedPolicies =
 382                         new HashSet<>((Collection<PDPPolicy>) this.policyContainer.getItemIds());
 383                 StdPDPGroup updatedGroupObject = new StdPDPGroup(group.getId(), group.isDefaultGroup(), group.getName(),
 384                         group.getDescription(), null);
 385                 updatedGroupObject.setPolicies(changedPolicies);
 386                 updatedGroupObject.setOnapPdps(group.getOnapPdps());
 387                 updatedGroupObject.setPipConfigs(group.getPipConfigs());
 388                 updatedGroupObject.setStatus(group.getStatus());
 389                 updatedGroupObject.setOperation("delete");
 390                 this.container.updateGroup(updatedGroupObject);
 391             }
 392
 393             response.setCharacterEncoding(UTF8);
 394             response.setContentType("application / json");
 395             request.setCharacterEncoding(UTF8);
 396
 397             refreshGroups();
 398             response.getWriter().write(new JSONObject(new JsonMessage(mapper.writeValueAsString(groups))).toString());
 399         } catch (Exception e) {
 400             response.setCharacterEncoding(UTF8);
 401             request.setCharacterEncoding(UTF8);
 402             logger.error(e);
 403             response.getWriter().write(PolicyUtils.CATCH_EXCEPTION);
 404         }
 405         return null;
 406     }
 407 }