Fix final 10 vulnerabilities in policy/engine

Code fixes for final 10 vulnerabilities in policy/engine

Change-Id: I234194b596bdacd5f3f9fd1becd4da9d6d0b5cf4
Issue-ID: POLICY-662
Signed-off-by: eramkve <ram.krishna.verma@ericsson.com>

12 files changed, 46 insertions, 34 deletions

diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
index 9564acc25..a30c9c7ec 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
@@ -792,7 +792,6 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 		} else {
 			PolicyLogger.info("requestID was provided in call to XACMLPapSrvlet (doGet)");
 		}
-		try {
 			loggingContext.metricStarted();
 			XACMLRest.dumpRequest(request);
 			loggingContext.metricEnded();
@@ -907,7 +906,18 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 						request.getRemoteHost().equals(request.getLocalAddr())) {
 					// Return status information - basically all the groups
 					loggingContext.setServiceName("PAP.getGroups");
-					Set<OnapPDPGroup> groups = papEngine.getOnapPDPGroups();
+					Set<OnapPDPGroup> groups = null;
+					try {
+					    groups = papEngine.getOnapPDPGroups();
+					} catch(PAPException e) {
+					    LOGGER.debug(e);
+					    PolicyLogger.error(MessageCodes.ERROR_UNKNOWN, e, "XACMLPapServlet", " GET exception");
+					    loggingContext.transactionEnded();
+					    PolicyLogger.audit("Transaction Failed - See Error.log");
+					    setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+					    im.endTransaction();
+					    return;
+					}
 					// convert response object to JSON and include in the response
 					mapperWriteValue(new ObjectMapper(), response,  groups);
 					response.setHeader("content-type", "application/json");
@@ -984,15 +994,6 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 				PolicyLogger.audit("Transaction Failed - See Error.log");
 				setResponseError(response,HttpServletResponse.SC_NOT_FOUND, message);
 			}
-		}  catch (PAPException e) {
-			LOGGER.debug(e);
-			PolicyLogger.error(MessageCodes.ERROR_UNKNOWN, e, "XACMLPapServlet", " GET exception");
-			loggingContext.transactionEnded();
-			PolicyLogger.audit("Transaction Failed - See Error.log");
-			setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
-			im.endTransaction();
-			return;
-		}
 		loggingContext.transactionEnded();
 		PolicyLogger.audit("Transaction Ended");
 		im.endTransaction();
@@ -1892,7 +1893,16 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 				} else {
 					// request is for top-level properties about all groups
 					loggingContext.setServiceName("AC:PAP.getAllGroups");
-					Set<OnapPDPGroup> groups = papEngine.getOnapPDPGroups();
+					Set<OnapPDPGroup> groups = null;
+					try {
+					    groups = papEngine.getOnapPDPGroups();
+					} catch(PAPException e) {
+					    PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " AC Get exception");
+					    loggingContext.transactionEnded();
+					    PolicyLogger.audit("Transaction Failed - See Error.log");
+					    setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+					    return;
+					}
 					// convert response object to JSON and include in the response
 					mapperWriteValue(new ObjectMapper(), response,  groups);
 					if (LOGGER.isDebugEnabled()) {
@@ -2039,7 +2049,12 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 				LOGGER.info("JSON request from AC: " + json);
 				// convert Object sent as JSON into local object
 				ObjectMapper mapper = new ObjectMapper();
-				Object objectFromJSON = mapper.readValue(json, StdPDP.class);
+				Object objectFromJSON = null;
+				try {
+				    objectFromJSON = mapper.readValue(json, StdPDP.class);
+				} catch(Exception e) {
+				    LOGGER.error(e);
+				}
 				if (pdpId == null ||
 						objectFromJSON == null ||
 						! (objectFromJSON instanceof StdPDP) ||
@@ -2144,7 +2159,12 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 				LOGGER.info("JSON request from AC: " + json);
 				// convert Object sent as JSON into local object
 				ObjectMapper mapper = new ObjectMapper();
-				Object objectFromJSON  = mapper.readValue(json, StdPDPGroup.class);
+				Object objectFromJSON = null;
+				try {
+				    objectFromJSON  = mapper.readValue(json, StdPDPGroup.class);
+				} catch(Exception e) {
+				    LOGGER.error(e);
+				}
 				if (objectFromJSON == null || ! (objectFromJSON instanceof StdPDPGroup) ||
 						! ((StdPDPGroup)objectFromJSON).getId().equals(group.getId())) {
 					PolicyLogger.error(MessageCodes.ERROR_DATA_ISSUE + " Group update had bad input. id=" + group.getId() + " objectFromJSON="+objectFromJSON);
@@ -2209,14 +2229,6 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 			PolicyLogger.audit("Transaction Failed - See Error.log");
 			setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
 			return;
-		} catch (IOException | JsonException e) {
-		    LOGGER.debug(e);
-		    acPutTransaction.rollbackTransaction();
-		    PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "XACMLPapServlet", " AC PUT exception");
-		    loggingContext.transactionEnded();
-		    PolicyLogger.audit("Transaction Failed - See Error.log");
-		    setResponseError(response,HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
-		    return;
 		}
 	}
 	
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ActionPolicyDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ActionPolicyDictionaryController.java
index 3d275c3d9..59a7ed312 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ActionPolicyDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ActionPolicyDictionaryController.java
@@ -64,7 +64,7 @@ public class ActionPolicyDictionaryController {
 	}
 
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value={"/get_ActionPolicyDictDataByName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/BRMSDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/BRMSDictionaryController.java
index f07ca3478..0ab5cf935 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/BRMSDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/BRMSDictionaryController.java
@@ -91,7 +91,7 @@ public class BRMSDictionaryController{
 	}
 	
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 
 	@RequestMapping(value={"/get_BRMSParamDataByName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ClosedLoopDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ClosedLoopDictionaryController.java
index 2b0556716..5d28c82e7 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ClosedLoopDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/ClosedLoopDictionaryController.java
@@ -89,7 +89,7 @@ public class ClosedLoopDictionaryController{
 	}
 
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value={"/get_VSCLActionDataByName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DecisionPolicyDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DecisionPolicyDictionaryController.java
index 9b79303fa..6e68d78d9 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DecisionPolicyDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DecisionPolicyDictionaryController.java
@@ -66,7 +66,7 @@ public class DecisionPolicyDictionaryController {
 	}
 	
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value={"/get_SettingsDictionaryDataByName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DescriptiveDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DescriptiveDictionaryController.java
index 364a4f73a..db710961f 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DescriptiveDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DescriptiveDictionaryController.java
@@ -65,7 +65,7 @@ public class DescriptiveDictionaryController {
 	}
 
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value={"/get_DescriptiveScopeByName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DictionaryController.java
index 7e30635f9..0b7693c6f 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/DictionaryController.java
@@ -69,7 +69,7 @@ public class DictionaryController {
 	}
 	
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value={"/get_AttributeDatabyAttributeName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/FirewallDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/FirewallDictionaryController.java
index d02cbca73..bd1fb0e32 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/FirewallDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/FirewallDictionaryController.java
@@ -113,7 +113,7 @@ public class FirewallDictionaryController {
 	}	
 
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value={"/get_PrefixListDataByName"}, method={RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/MicroServiceDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/MicroServiceDictionaryController.java
index 20e75a08b..becf5adf7 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/MicroServiceDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/MicroServiceDictionaryController.java
@@ -92,7 +92,7 @@ public class MicroServiceDictionaryController {
     }	
 	
     private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
     
 	@Autowired
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/PolicyScopeDictionaryController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/PolicyScopeDictionaryController.java
index 40c9d7269..fd3d2f641 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/PolicyScopeDictionaryController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/PolicyScopeDictionaryController.java
@@ -71,7 +71,7 @@ public class PolicyScopeDictionaryController {
 	}	
 
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@Autowired
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/SafePolicyController.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/SafePolicyController.java
index 23450cbbe..209ba4f45 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/SafePolicyController.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/controller/SafePolicyController.java
@@ -66,7 +66,7 @@ public class SafePolicyController {
 	}	
 	
 	private DictionaryUtils getDictionaryUtilsInstance(){
-		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
+		return DictionaryUtils.getDictionaryUtils();
 	}
 	
 	@RequestMapping(value = { "/get_RiskTypeDataByName" }, method = {RequestMethod.GET }, produces = MediaType.APPLICATION_JSON_VALUE)
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/DictionaryUtils.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/DictionaryUtils.java
index e18595956..5610577a9 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/DictionaryUtils.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/util/DictionaryUtils.java
@@ -58,10 +58,10 @@ public class DictionaryUtils {
 	
 	private static CommonClassDao commonClassDao;
 	
-	public static DictionaryUtils dictionaryUtils;
+	private static DictionaryUtils dictionaryUtils;
 	
 	public static synchronized DictionaryUtils getDictionaryUtils() {
-		return dictionaryUtils;
+	    return dictionaryUtils != null ? dictionaryUtils : new DictionaryUtils();
 	}
 
 	public static synchronized void setDictionaryUtils(DictionaryUtils dictionaryUtils) {