1 files changed, 126 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/cookie/RFC2109DomainHandler.java b/src/org/apache/http/impl/cookie/RFC2109DomainHandler.java
new file mode 100644
index 0000000..9cfd484
--- /dev/null
+++ b/src/org/apache/http/impl/cookie/RFC2109DomainHandler.java
@@ -0,0 +1,126 @@
+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/RFC2109DomainHandler.java $
+ * $Revision: 653041 $
+ * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $
+ *
+ * ====================================================================
+ * 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.impl.cookie;
+
+import java.util.Locale;
+
+import org.apache.http.cookie.Cookie;
+import org.apache.http.cookie.CookieAttributeHandler;
+import org.apache.http.cookie.CookieOrigin;
+import org.apache.http.cookie.MalformedCookieException;
+import org.apache.http.cookie.SetCookie;
+
+public class RFC2109DomainHandler implements CookieAttributeHandler {
+
+    public RFC2109DomainHandler() {
+        super();
+    }
+    
+    public void parse(final SetCookie cookie, final String value) 
+            throws MalformedCookieException {
+        if (cookie == null) {
+            throw new IllegalArgumentException("Cookie may not be null");
+        }
+        if (value == null) {
+            throw new MalformedCookieException("Missing value for domain attribute");
+        }
+        if (value.trim().length() == 0) {
+            throw new MalformedCookieException("Blank value for domain attribute");
+        }
+        cookie.setDomain(value);
+    }
+
+    public void validate(final Cookie cookie, final CookieOrigin origin) 
+            throws MalformedCookieException {
+        if (cookie == null) {
+            throw new IllegalArgumentException("Cookie may not be null");
+        }
+        if (origin == null) {
+            throw new IllegalArgumentException("Cookie origin may not be null");
+        }
+        String host = origin.getHost();
+        String domain = cookie.getDomain();
+        if (domain == null) {
+            throw new MalformedCookieException("Cookie domain may not be null");
+        }
+        if (!domain.equals(host)) {
+            int dotIndex = domain.indexOf('.');
+            if (dotIndex == -1) {
+                throw new MalformedCookieException("Domain attribute \"" 
+                        + domain 
+                        + "\" does not match the host \"" 
+                        + host + "\"");
+            }
+            // domain must start with dot
+            if (!domain.startsWith(".")) {
+                throw new MalformedCookieException("Domain attribute \"" 
+                    + domain 
+                    + "\" violates RFC 2109: domain must start with a dot");
+            }
+            // domain must have at least one embedded dot
+            dotIndex = domain.indexOf('.', 1);
+            if (dotIndex < 0 || dotIndex == domain.length() - 1) {
+                throw new MalformedCookieException("Domain attribute \"" 
+                    + domain 
+                    + "\" violates RFC 2109: domain must contain an embedded dot");
+            }
+            host = host.toLowerCase(Locale.ENGLISH);
+            if (!host.endsWith(domain)) {
+                throw new MalformedCookieException(
+                    "Illegal domain attribute \"" + domain 
+                    + "\". Domain of origin: \"" + host + "\"");
+            }
+            // host minus domain may not contain any dots
+            String hostWithoutDomain = host.substring(0, host.length() - domain.length());
+            if (hostWithoutDomain.indexOf('.') != -1) {
+                throw new MalformedCookieException("Domain attribute \"" 
+                    + domain 
+                    + "\" violates RFC 2109: host minus domain may not contain any dots");
+            }
+        }
+    }
+    
+    public boolean match(final Cookie cookie, final CookieOrigin origin) {
+        if (cookie == null) {
+            throw new IllegalArgumentException("Cookie may not be null");
+        }
+        if (origin == null) {
+            throw new IllegalArgumentException("Cookie origin may not be null");
+        }
+        String host = origin.getHost();
+        String domain = cookie.getDomain();
+        if (domain == null) {
+            return false;
+        }
+        return host.equals(domain) || (domain.startsWith(".") && host.endsWith(domain));
+    }
+    
+}