From: DylanB95EST <dylan.byrne@est.tech>
Date: Fri, 21 May 2021 10:55:41 +0000 (+0100)
Subject: Adding Possessive Quantifier to Regex to prevent backtracking
X-Git-Tag: 1.1.0~49
X-Git-Url: https://gerrit.onap.org/r/gitweb?p=cps.git;a=commitdiff_plain;h=150d3edb6f1d3609f62caf2bd7a997485049dc23

Adding Possessive Quantifier to Regex to prevent backtracking

Issie-ID: CPS-89

Commit-ID: 22dbd115593cd429b1b75af2000310ce79cfbf10

Signed-off-by: DylanB95EST <dylan.byrne@est.tech>
Change-Id: I12f8aec77e9a4faa62234b7108617d47e4ed63fd
---

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java b/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
index b27301bae..c8886689e 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
@@ -65,9 +65,9 @@ public class CpsPathQuery {
 
     private static final String INDIVIDUAL_LEAF_DETAIL_PATTERN = ("\\s{1,9}and\\s{1,9}");
 
-    private static final Pattern LEAF_VALUE_PATTERN = Pattern.compile("@(\\S+?)=(.*)");
+    private static final Pattern LEAF_VALUE_PATTERN = Pattern.compile("@(\\S+?)=(.*+)");
 
-    private static final Pattern ANCESTOR_AXIS_PATTERN = Pattern.compile("(\\S+)\\/ancestor::\\/?(\\S+)");
+    private static final Pattern ANCESTOR_AXIS_PATTERN = Pattern.compile("(\\S+)\\/ancestor::\\/?(\\S++)");
 
     /**
      * Returns a cps path query.