354397 RewriteRegexRule handles special characters in regex group

VERSION.txt

@@ -17,6 +17,7 @@ jetty-7.5.0-SNAPSHOT
  + 353862 Improve performance of QuotedStringTokenizer.quote()
  + 354014 Content-Length is passed to wrapped response in GZipFilter
  + 354204 Charset encodings property file not used
+ + 354397 RewriteRegexRule handles special characters in regex group
  + 354466 Typo in example config of jetty-plus.xml
 
 jetty-7.4.4.v20110707 July 7th 2011

jetty-rewrite/src/main/java/org/eclipse/jetty/rewrite/handler/RewriteRegexRule.java

@@ -56,7 +56,7 @@ public class RewriteRegexRule extends RegexRule  implements Rule.ApplyURI
         target=_replacement;
         for (int g=1;g<=matcher.groupCount();g++)
         {
-            String group = matcher.group(g);
+            String group = Matcher.quoteReplacement(matcher.group(g));
             target=target.replaceAll("\\$"+g,group);
         }
 
@@ -73,7 +73,7 @@ public class RewriteRegexRule extends RegexRule  implements Rule.ApplyURI
             String uri=_replacement;
             for (int g=1;g<=matcher.groupCount();g++)
             {
-                String group = matcher.group(g);
+                String group = Matcher.quoteReplacement(matcher.group(g));
                 uri=uri.replaceAll("\\$"+g,group);
             }
             request.setRequestURI(uri);

jetty-rewrite/src/test/java/org/eclipse/jetty/rewrite/handler/RewriteRegexRuleTest.java

@@ -26,6 +26,8 @@ public class RewriteRegexRuleTest extends AbstractRuleTestCase
             {"/foo/bar",".*","/replace","/replace"},
             {"/foo/bar","/xxx.*","/replace",null},
             {"/foo/bar","/(.*)/(.*)","/$2/$1/xxx","/bar/foo/xxx"},
+            {"/foo/$bar",".*","/$replace","/$replace"},
+            {"/foo/$bar","/foo/(.*)","/$1/replace","/$bar/replace"},
     };
     private RewriteRegexRule _rule;