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From ol...@apache.org
Subject svn commit: r1621182 - in /httpcomponents/httpclient/trunk/httpclient/src: main/java/org/apache/http/conn/util/ main/java/org/apache/http/impl/cookie/ test/java/org/apache/http/conn/util/
Date Thu, 28 Aug 2014 19:08:09 GMT
Author: olegk
Date: Thu Aug 28 19:08:09 2014
New Revision: 1621182

URL: http://svn.apache.org/r1621182
Log:
Factored Public Suffix matching code into a separate utility class

Added:
    httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
  (with props)
    httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
  (with props)
Modified:
    httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixList.java
    httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/impl/cookie/PublicSuffixFilter.java

Modified: httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixList.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixList.java?rev=1621182&r1=1621181&r2=1621182&view=diff
==============================================================================
--- httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixList.java
(original)
+++ httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixList.java
Thu Aug 28 19:08:09 2014
@@ -33,7 +33,11 @@ import org.apache.http.annotation.Immuta
 import org.apache.http.util.Args;
 
 /**
- * Public suffix list from <a href="http://publicsuffix.org/">publicsuffix.org</a>.
+ * Public suffix is a set of DNS names or wildcards concatenated with dots. It represents
+ * the part of a domain name which is not under the control of the individual registrant
+ * <p>
+ * An up-to-date list of suffixes can be obtained from
+ * <a href="http://publicsuffix.org/">publicsuffix.org</a>
  *
  * @since 4.4
  */

Added: httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java?rev=1621182&view=auto
==============================================================================
--- httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
(added)
+++ httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
Thu Aug 28 19:08:09 2014
@@ -0,0 +1,101 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.http.conn.util;
+
+import java.net.IDN;
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.http.annotation.ThreadSafe;
+import org.apache.http.util.Args;
+
+/**
+ * Utility class that can test if DNS names match the content of the Public Suffix List.
+ * <p>
+ * An up-to-date list of suffixes can be obtained from
+ * <a href="http://publicsuffix.org/">publicsuffix.org</a>
+ *
+ * @see org.apache.http.conn.util.PublicSuffixList
+ *
+ * @since 4.4
+ */
+@ThreadSafe
+public final class PublicSuffixMatcher {
+
+    private final Map<String, String> rules;
+    private final Map<String, String> exceptions;
+
+    public PublicSuffixMatcher(final Collection<String> rules, final Collection<String>
exceptions) {
+        Args.notNull(rules,  "Domain suffix rules");
+        this.rules = new ConcurrentHashMap<String, String>(rules.size());
+        for (String rule: rules) {
+            this.rules.put(rule, rule);
+        }
+        if (exceptions != null) {
+            this.exceptions = new ConcurrentHashMap<String, String>(exceptions.size());
+            for (String exception: exceptions) {
+                this.exceptions.put(exception, exception);
+            }
+        } else {
+            this.exceptions = null;
+        }
+    }
+
+    public boolean match(final String domain) {
+        String s = domain;
+        if (s == null) {
+            return false;
+        }
+        if (s.startsWith(".")) {
+            s = s.substring(1);
+        }
+        s = IDN.toUnicode(s);
+
+        // An exception rule takes priority over any other matching rule.
+        if (this.exceptions != null && this.exceptions.containsKey(s)) {
+            return false;
+        }
+
+        do {
+            if (this.rules.containsKey(s)) {
+                return true;
+            }
+            // patterns
+            if (s.startsWith("*.")) {
+                s = s.substring(2);
+            }
+            final int nextdot = s.indexOf('.');
+            if (nextdot == -1) {
+                break;
+            }
+            s = "*" + s.substring(nextdot);
+        } while (!s.isEmpty());
+
+        return false;
+    }
+}

Propchange: httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
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    svn:eol-style = native

Propchange: httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
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    svn:keywords = Date Revision

Propchange: httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/conn/util/PublicSuffixMatcher.java
------------------------------------------------------------------------------
    svn:mime-type = text/plain

Modified: httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/impl/cookie/PublicSuffixFilter.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/impl/cookie/PublicSuffixFilter.java?rev=1621182&r1=1621181&r2=1621182&view=diff
==============================================================================
--- httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/impl/cookie/PublicSuffixFilter.java
(original)
+++ httpcomponents/httpclient/trunk/httpclient/src/main/java/org/apache/http/impl/cookie/PublicSuffixFilter.java
Thu Aug 28 19:08:09 2014
@@ -26,11 +26,9 @@
  */
 package org.apache.http.impl.cookie;
 
-import java.net.IDN;
 import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
 
+import org.apache.http.conn.util.PublicSuffixMatcher;
 import org.apache.http.cookie.Cookie;
 import org.apache.http.cookie.CookieAttributeHandler;
 import org.apache.http.cookie.CookieOrigin;
@@ -49,8 +47,9 @@ import org.apache.http.cookie.SetCookie;
  */
 public class PublicSuffixFilter implements CookieAttributeHandler {
     private final CookieAttributeHandler wrapped;
-    private Set<String> exceptions;
-    private Set<String> suffixes;
+    private Collection<String> exceptions;
+    private Collection<String> suffixes;
+    private PublicSuffixMatcher matcher;
 
     public PublicSuffixFilter(final CookieAttributeHandler wrapped) {
         this.wrapped = wrapped;
@@ -63,7 +62,8 @@ public class PublicSuffixFilter implemen
      * @param suffixes
      */
     public void setPublicSuffixes(final Collection<String> suffixes) {
-        this.suffixes = new HashSet<String>(suffixes);
+        this.suffixes = suffixes;
+        this.matcher = null;
     }
 
     /**
@@ -72,7 +72,8 @@ public class PublicSuffixFilter implemen
      * @param exceptions
      */
     public void setExceptions(final Collection<String> exceptions) {
-        this.exceptions = new HashSet<String>(exceptions);
+        this.exceptions = exceptions;
+        this.matcher = null;
     }
 
     /**
@@ -97,39 +98,9 @@ public class PublicSuffixFilter implemen
     }
 
     private boolean isForPublicSuffix(final Cookie cookie) {
-        String domain = cookie.getDomain();
-        if (domain.startsWith(".")) {
-            domain = domain.substring(1);
+        if (matcher == null) {
+            matcher = new PublicSuffixMatcher(this.suffixes, this.exceptions);
         }
-        domain = IDN.toUnicode(domain);
-
-        // An exception rule takes priority over any other matching rule.
-        if (this.exceptions != null) {
-            if (this.exceptions.contains(domain)) {
-                return false;
-            }
-        }
-
-
-        if (this.suffixes == null) {
-            return false;
-        }
-
-        do {
-            if (this.suffixes.contains(domain)) {
-                return true;
-            }
-            // patterns
-            if (domain.startsWith("*.")) {
-                domain = domain.substring(2);
-            }
-            final int nextdot = domain.indexOf('.');
-            if (nextdot == -1) {
-                break;
-            }
-            domain = "*" + domain.substring(nextdot);
-        } while (!domain.isEmpty());
-
-        return false;
+        return matcher.match(cookie.getDomain());
     }
 }

Added: httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java?rev=1621182&view=auto
==============================================================================
--- httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
(added)
+++ httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
Thu Aug 28 19:08:09 2014
@@ -0,0 +1,85 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.conn.util;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import org.apache.http.Consts;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestPublicSuffixMatcher {
+
+    private static final String SOURCE_FILE = "suffixlist.txt";
+
+    private PublicSuffixMatcher matcher;
+
+    @Before
+    public void setUp() throws Exception {
+        final ClassLoader classLoader = getClass().getClassLoader();
+        final InputStream in = classLoader.getResourceAsStream(SOURCE_FILE);
+        Assert.assertNotNull(in);
+        final PublicSuffixList suffixList;
+        try {
+            final PublicSuffixListParser parser = new PublicSuffixListParser();
+            suffixList = parser.parse(new InputStreamReader(in, Consts.UTF_8));
+        } finally {
+            in.close();
+        }
+        matcher = new PublicSuffixMatcher(suffixList.getRules(), suffixList.getExceptions());
+    }
+
+    @Test
+    public void testParse() throws Exception {
+        Assert.assertTrue(matcher.match(".jp"));
+        Assert.assertTrue(matcher.match(".ac.jp"));
+        Assert.assertTrue(matcher.match(".any.tokyo.jp"));
+        // exception
+        Assert.assertFalse(matcher.match(".metro.tokyo.jp"));
+    }
+
+    @Test
+    public void testUnicode() throws Exception {
+        Assert.assertTrue(matcher.match(".h\u00E5.no")); // \u00E5 is <aring>
+        Assert.assertTrue(matcher.match(".xn--h-2fa.no"));
+        Assert.assertTrue(matcher.match(".h\u00E5.no"));
+        Assert.assertTrue(matcher.match(".xn--h-2fa.no"));
+    }
+
+    @Test
+    public void testWhitespace() throws Exception {
+        Assert.assertTrue(matcher.match(".xx"));
+        // yy appears after whitespace
+        Assert.assertFalse(matcher.match(".yy"));
+        // zz is commented
+        Assert.assertFalse(matcher.match(".zz"));
+    }
+
+}

Propchange: httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
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Propchange: httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
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Propchange: httpcomponents/httpclient/trunk/httpclient/src/test/java/org/apache/http/conn/util/TestPublicSuffixMatcher.java
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