From fd2653f383b55da5e79cd5c65bdb0df7a56ed635 Mon Sep 17 00:00:00 2001
From: maxcooper <maxcooper>
Date: Sat, 25 Oct 2003 12:43:21 +0000
Subject: [PATCH] FIXED bug #783697: infinite loop if login or error page URIs
 have a query string

---
 .../authenticator/FormAuthenticator.java           | 26 +++++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/src/share/org/securityfilter/authenticator/FormAuthenticator.java b/src/share/org/securityfilter/authenticator/FormAuthenticator.java
index aa1fe2c..2f80458 100644
--- a/src/share/org/securityfilter/authenticator/FormAuthenticator.java
+++ b/src/share/org/securityfilter/authenticator/FormAuthenticator.java
@@ -1,7 +1,7 @@
 /*
- * $Header: /cvsroot/securityfilter/securityfilter/src/share/org/securityfilter/authenticator/FormAuthenticator.java,v 1.2 2003/10/25 10:49:03 maxcooper Exp $
- * $Revision: 1.2 $
- * $Date: 2003/10/25 10:49:03 $
+ * $Header: /cvsroot/securityfilter/securityfilter/src/share/org/securityfilter/authenticator/FormAuthenticator.java,v 1.3 2003/10/25 12:43:21 maxcooper Exp $
+ * $Revision: 1.3 $
+ * $Date: 2003/10/25 12:43:21 $
  *
  * ====================================================================
  * The SecurityFilter Software License, Version 1.1
@@ -68,7 +68,7 @@ import java.security.Principal;
  * FormAuthenticator - authenticator implementation for the FORM auth method.
  *
  * @author Max Cooper (max@maxcooper.com)
- * @version $Revision: 1.2 $ $Date: 2003/10/25 10:49:03 $
+ * @version $Revision: 1.3 $ $Date: 2003/10/25 12:43:21 $
  */
 public class FormAuthenticator implements Authenticator {
 
@@ -112,11 +112,11 @@ public class FormAuthenticator implements Authenticator {
 
       // login page
       loginPage = securityConfig.getLoginPage();
-      loginPagePattern = patternFactory.createURLPattern(loginPage, null, null, 0);
+      loginPagePattern = patternFactory.createURLPattern(stripQueryString(loginPage), null, null, 0);
 
       // error page
       errorPage = securityConfig.getErrorPage();
-      errorPagePattern = patternFactory.createURLPattern(errorPage, null, null, 0);
+      errorPagePattern = patternFactory.createURLPattern(stripQueryString(errorPage), null, null, 0);
    }
 
    /**
@@ -212,6 +212,20 @@ public class FormAuthenticator implements Authenticator {
       String requestURL = request.getMatchableURL();
       return patternMatcher.match(requestURL, loginPagePattern) || patternMatcher.match(requestURL, errorPagePattern);
    }
+
+   /**
+    * Utility method to strip the query string from a uri.
+    *
+    * @param uri
+    * @return uri with query string removed (if it had one)
+    */
+   private String stripQueryString(String uri) {
+      int queryStart = uri.indexOf('?');
+      if (queryStart != -1) {
+         uri = uri.substring(0, queryStart);
+      }
+      return uri;
+   }
 }
 
 // ------------------------------------------------------------------------
-- 
2.11.0