diff options
Diffstat (limited to 'ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/PushPolicyService.java')
| -rw-r--r-- | ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/PushPolicyService.java | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/PushPolicyService.java b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/PushPolicyService.java new file mode 100644 index 000000000..f2c6c221c --- /dev/null +++ b/ONAP-PDP-REST/src/main/java/org/onap/policy/pdp/rest/api/services/PushPolicyService.java @@ -0,0 +1,236 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP-PDP-REST + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.policy.pdp.rest.api.services; + +import java.util.UUID; + +import org.onap.policy.api.PolicyException; +import org.onap.policy.api.PushPolicyParameters; +import org.onap.policy.common.logging.flexlogger.FlexLogger; +import org.onap.policy.common.logging.flexlogger.Logger; +import org.onap.policy.xacml.api.XACMLErrorConstants; +import org.onap.policy.xacml.std.pap.StdPAPPolicy; +import org.onap.policy.xacml.std.pap.StdPDPPolicy; +import org.springframework.http.HttpStatus; + +import com.att.research.xacml.api.pap.PAPException; +import com.att.research.xacml.api.pap.PDPPolicy; + +public class PushPolicyService { + private static final Logger LOGGER = FlexLogger.getLogger(PushPolicyService.class.getName()); + + private String pushResult = null; + private HttpStatus status = HttpStatus.BAD_REQUEST; + private PushPolicyParameters pushPolicyParameters = null; + private String message = null; + private String policyName = null; + private String policyScope = null; + private String pdpGroup = null; + private String policyType = null; + private String filePrefix = null; + private String clientScope = null; + + public PushPolicyService(PushPolicyParameters pushPolicyParameters, + String requestID) { + this.pushPolicyParameters = pushPolicyParameters; + if(pushPolicyParameters.getRequestID()==null){ + UUID requestUUID = null; + if (requestID != null && !requestID.isEmpty()) { + try { + requestUUID = UUID.fromString(requestID); + } catch (IllegalArgumentException e) { + requestUUID = UUID.randomUUID(); + LOGGER.info("Generated Random UUID: " + requestUUID.toString(), e); + } + }else{ + requestUUID = UUID.randomUUID(); + LOGGER.info("Generated Random UUID: " + requestUUID.toString()); + } + this.pushPolicyParameters.setRequestID(requestUUID); + } + try{ + run(); + specialCheck(); + }catch(PolicyException e){ + pushResult = XACMLErrorConstants.ERROR_DATA_ISSUE + e; + status = HttpStatus.BAD_REQUEST; + } + } + + private void specialCheck() { + if(pushResult.contains("BAD REQUEST") || pushResult.contains("PE300")){ + status = HttpStatus.BAD_REQUEST; + } + } + + private void run() throws PolicyException{ + // Check Validation. + if(!getValidation()){ + LOGGER.error(message); + throw new PolicyException(message); + } + // Process Results. + try{ + status = HttpStatus.OK; + pushResult = processResult(); + }catch(Exception e){ + LOGGER.error(XACMLErrorConstants.ERROR_DATA_ISSUE + e); + status = HttpStatus.BAD_REQUEST; + throw new PolicyException(e); + } + } + + private String processResult() throws PolicyException{ + PAPServices papServices = new PAPServices(); + String response = null; + StdPDPPolicy selectedPolicy = papServices.pushPolicy(policyScope, filePrefix, policyName, clientScope, pdpGroup, pushPolicyParameters.getRequestID()); + if(selectedPolicy==null){ + response = XACMLErrorConstants.ERROR_DATA_ISSUE + "response code of the URL is 404. " + + "This indicates a problem with getting the version from the PAP or the policy does not exist."; + LOGGER.error(response); + return response; + } + try { + LOGGER.debug("StdPDPPolicy object contains: " + selectedPolicy.getId() + ", " + selectedPolicy.getName() + ", " + selectedPolicy.getLocation().toString()); + response = copyPolicy(selectedPolicy, pdpGroup, clientScope, pushPolicyParameters.getRequestID()); + } catch (PAPException e) { + LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW+e.getMessage()); + throw new PolicyException(e); + } + LOGGER.debug("copyPolicy response: " + response); + if(response.contains("successfully")){ + response = (String) papServices.callPAP(selectedPolicy, new String[]{"groupId=" + pdpGroup, "policyId="+selectedPolicy.getId(), "apiflag=addPolicyToGroup", "operation=PUT"}, pushPolicyParameters.getRequestID(), clientScope); + } + LOGGER.debug("Final API response: " + response); + return response; + } + + private String copyPolicy(PDPPolicy policy, String group, String policyType, UUID requestID) throws PAPException { + String response = null; + if (policy == null || group == null) { + throw new PAPException("Null input policy="+policy+" group="+group); + } + try { + StdPAPPolicy location = new StdPAPPolicy(policy.getLocation()); + response = copyFile(policy.getId(), group, location, policyType, requestID); + } catch (Exception e) { + String message = "Unable to PUT policy '" + policy.getId() + "', e:" + e; + LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + message, e); + throw new PAPException(message); + } + return response; + } + + private String copyFile(String policyId, String group, StdPAPPolicy location, String clientScope, UUID requestID) throws PAPException { + String response = null; + // send the policy file to the PAP Servlet + PAPServices papService = new PAPServices(); + try { + response = (String) papService.callPAP(location, new String[] {"groupId=" + group, "policyId="+policyId, "apiflag=api", "operation=post"}, requestID, clientScope); + } catch (Exception e) { + String message = "Unable to PUT policy '" + policyId + "', e:" + e; + LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + message, e); + throw new PAPException(message); + } + return response; + } + + private boolean getValidation() { + // While Validating, extract the required values. + if (pushPolicyParameters.getPolicyName() != null + && pushPolicyParameters.getPolicyName().contains(".")) { + policyName = pushPolicyParameters.getPolicyName().substring(pushPolicyParameters.getPolicyName().lastIndexOf('.') + 1, + pushPolicyParameters.getPolicyName().length()); + policyScope = pushPolicyParameters.getPolicyName().substring(0,pushPolicyParameters.getPolicyName().lastIndexOf('.')); + LOGGER.info("Name is " + policyName + " scope is " + policyScope); + } else { + message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Policy Scope given."; + return false; + } + if (policyName==null||policyName.trim().isEmpty()){ + message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Policy Name given."; + return false; + } + policyType = pushPolicyParameters.getPolicyType(); + if(policyType== null || policyType.trim().isEmpty()){ + message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No PolicyType given."; + return false; + } + + setClientScope(); + if(clientScope==null){ + return false; + } + + pdpGroup = pushPolicyParameters.getPdpGroup(); + if(pdpGroup==null || pdpGroup.trim().isEmpty()){ + pdpGroup = "default"; + } + + LOGGER.debug("clientScope is " + clientScope); + LOGGER.debug("filePrefix is " + filePrefix); + + return true; + } + + private void setClientScope() { + if ("Firewall".equalsIgnoreCase(policyType)) { + clientScope = "ConfigFirewall"; + filePrefix = "Config_FW_"; + } else if ("Action".equalsIgnoreCase(policyType)) { + clientScope = "Action"; + filePrefix = "Action_"; + } else if ("Decision".equalsIgnoreCase(policyType)) { + clientScope = "Decision"; + filePrefix = "Decision_"; + } else if ("Base".equalsIgnoreCase(policyType)) { + clientScope = "Config"; + filePrefix = "Config_"; + } else if ("ClosedLoop_Fault".equalsIgnoreCase(policyType)) { + clientScope = "ConfigClosedLoop"; + filePrefix = "Config_Fault_"; + } else if ("ClosedLoop_PM".equalsIgnoreCase(policyType)) { + clientScope = "ConfigClosedLoop"; + filePrefix = "Config_PM_"; + } else if ("MicroService".equalsIgnoreCase(policyType)) { + clientScope = "ConfigMS"; + filePrefix = "Config_MS_"; + } else if ("BRMS_RAW".equalsIgnoreCase(policyType)) { + clientScope = "ConfigBrmsRaw"; + filePrefix = "Config_BRMS_Raw_"; + } else if ("BRMS_PARAM".equalsIgnoreCase(policyType)) { + clientScope = "ConfigBrmsParam"; + filePrefix = "Config_BRMS_Param_"; + } else { + clientScope = null; + message = XACMLErrorConstants.ERROR_DATA_ISSUE + policyType + + " is not a valid Policy Type."; + } + } + + public String getResult() { + return pushResult; + } + + public HttpStatus getResponseCode() { + return status; + } + +} |