From 82c6b0148066a7ca58536225a35a16f98ade79a8 Mon Sep 17 00:00:00 2001
From: maxcooper <maxcooper>
Date: Sun, 5 Jan 2003 09:23:53 +0000
Subject: [PATCH] added pattern type for / (default)

---
 .../org/securityfilter/filter/URLPattern.java      | 108 ++++++++++++---------
 1 file changed, 60 insertions(+), 48 deletions(-)

diff --git a/src/share/org/securityfilter/filter/URLPattern.java b/src/share/org/securityfilter/filter/URLPattern.java
index 83f325f..0ae6190 100644
--- a/src/share/org/securityfilter/filter/URLPattern.java
+++ b/src/share/org/securityfilter/filter/URLPattern.java
@@ -1,7 +1,7 @@
 /*
- * $Header: /cvsroot/securityfilter/securityfilter/src/share/org/securityfilter/filter/URLPattern.java,v 1.2 2003/01/02 19:21:28 maxcooper Exp $
- * $Revision: 1.2 $
- * $Date: 2003/01/02 19:21:28 $
+ * $Header: /cvsroot/securityfilter/securityfilter/src/share/org/securityfilter/filter/URLPattern.java,v 1.3 2003/01/05 09:23:53 maxcooper Exp $
+ * $Revision: 1.3 $
+ * $Date: 2003/01/05 09:23:53 $
  *
  * ====================================================================
  * The SecurityFilter Software License, Version 1.1
@@ -67,12 +67,12 @@ import org.securityfilter.config.WebResourceCollection;
  * Also supports sorting according to the Servlet Spec v2.3.
  *
  * @author Max Cooper (max@maxcooper.com)
- * @version $Revision: 1.2 $ $Date: 2003/01/02 19:21:28 $
+ * @version $Revision: 1.3 $ $Date: 2003/01/05 09:23:53 $
  */
 public class URLPattern implements Comparable {
    /**
-    * Pattern type for patterns that do not meet the PATH_TYPE
-    * or EXTENSION_TYPE pattern type specifications.
+    * Pattern type for patterns that do not meet the specifications for the
+    * other pattern types.
     */
    public static final int EXACT_TYPE = 1;
    /**
@@ -83,7 +83,10 @@ public class URLPattern implements Comparable {
     * Pattern type for EXTENSION_TYPE mappings. Starts with '*.'
     */
    public static final int EXTENSION_TYPE = 3;
-
+   /**
+    * Pattern type for EXTENSION_TYPE mappings. Starts with '*.'
+    */
+   public static final int DEFAULT_TYPE = 4;
 
    protected String pattern;
    protected String convertedPattern;
@@ -187,12 +190,14 @@ public class URLPattern implements Comparable {
     * Initialize the patternType protected member.
     */
    protected void initPatternType() {
-      if (pattern.startsWith("*.")) {
-         patternType = URLPattern.EXTENSION_TYPE;
+      if ("/".equals(pattern)) {
+         patternType = DEFAULT_TYPE;
+      } else if (pattern.startsWith("*.")) {
+         patternType = EXTENSION_TYPE;
       } else if (pattern.startsWith("/") && pattern.endsWith("/*")) {
-         patternType = URLPattern.PATH_TYPE;
+         patternType = PATH_TYPE;
       } else {
-         patternType = URLPattern.EXACT_TYPE;
+         patternType = EXACT_TYPE;
       }
    }
 
@@ -212,44 +217,51 @@ public class URLPattern implements Comparable {
     * Initialize the convertedPattern protected member.
     */
    protected void initConvertedPattern() {
-      StringBuffer buf = new StringBuffer(pattern);
-      int pos;
-      // escape '.' characters
-      pos = buf.toString().indexOf('.');
-      while (pos != -1) {
-         buf.insert(pos, "\\");
-         pos = buf.toString().indexOf('.', pos + 2);
-      }
-      // replace '*' chars in the compiledPattern with '.*'
-      pos = buf.toString().indexOf('*');
-      while (pos != -1) {
-         buf.replace(pos, pos + 1, ".*");
-         pos = buf.toString().indexOf('*', pos + 2);
-      }
-      // replace '/' chars with '/+' to match one or more consecutive slashes
-      pos = buf.toString().indexOf('/');
-      while (pos != -1) {
-         buf.replace(pos, pos + 1, "/+");
-         pos = buf.toString().indexOf('/', pos + 2);
-      }
-      // adjustments for the different expression types
-      switch (patternType) {
-         case PATH_TYPE:
-            // make sure it matches from the start of the string
-            buf.insert(0, '^');
-            // make sure /foo/* matches /foo and /foo/morestuff, but not /foobar
-            buf.insert(buf.length()-4, "(");
-            buf.append(")?$");
-            break;
-         case EXTENSION_TYPE:
-            buf.append('$');
-            break;
-         case EXACT_TYPE:
-            buf.insert(0, '^');
-            buf.append('$');
-            break;
+      if (patternType == DEFAULT_TYPE) {
+         // match anything for default pattern
+         convertedPattern = ".*";
+      } else {
+         StringBuffer buf = new StringBuffer(pattern);
+         int pos;
+         // escape '.' characters
+         pos = buf.toString().indexOf('.');
+         while (pos != -1) {
+            buf.insert(pos, "\\");
+            pos = buf.toString().indexOf('.', pos + 2);
+         }
+         // replace '*' chars in the compiledPattern with '.*'
+         pos = buf.toString().indexOf('*');
+         while (pos != -1) {
+            buf.replace(pos, pos + 1, ".*");
+            pos = buf.toString().indexOf('*', pos + 2);
+         }
+         // replace '/' chars with '/+' to match one or more consecutive slashes
+         // the spec hints that containers are supposed to normalize the extra slashes out,
+         // but testing revealed that sometimes the extra slashes are not normalized out
+         pos = buf.toString().indexOf('/');
+         while (pos != -1) {
+            buf.replace(pos, pos + 1, "/+");
+            pos = buf.toString().indexOf('/', pos + 2);
+         }
+         // adjustments for the different expression types
+         switch (patternType) {
+            case PATH_TYPE:
+               // make sure it matches from the start of the string
+               buf.insert(0, '^');
+               // make sure /foo/* matches /foo and /foo/morestuff, but not /foobar
+               buf.insert(buf.length()-4, "(");
+               buf.append(")?$");
+               break;
+            case EXTENSION_TYPE:
+               buf.append('$');
+               break;
+            case EXACT_TYPE:
+               buf.insert(0, '^');
+               buf.append('$');
+               break;
+         }
+         convertedPattern = buf.toString();
       }
-      convertedPattern = buf.toString();
    }
 
    /**
-- 
2.11.0