--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/OriginAccessEntry.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "OriginAccessEntry.h"
+
+#include "SecurityOrigin.h"
+
+namespace WebCore {
+    
+OriginAccessEntry::OriginAccessEntry(const String& protocol, const String& host, SubdomainSetting subdomainSetting)
+    : m_protocol(protocol.lower())
+    , m_host(host.lower())
+    , m_subdomainSettings(subdomainSetting)
+{
+    ASSERT(subdomainSetting == AllowSubdomains || subdomainSetting == DisallowSubdomains);
+
+    // Assume that any host that ends with a digit is trying to be an IP address.
+    m_hostIsIPAddress = !m_host.isEmpty() && isASCIIDigit(m_host[m_host.length() - 1]);
+}
+
+bool OriginAccessEntry::matchesOrigin(const SecurityOrigin& origin) const
+{
+    ASSERT(origin.host() == origin.host().lower());
+    ASSERT(origin.protocol() == origin.protocol().lower());
+
+    if (m_protocol != origin.protocol())
+        return false;
+    
+    // Special case: Include subdomains and empty host means "all hosts, including ip addresses".
+    if (m_subdomainSettings == AllowSubdomains && m_host.isEmpty())
+        return true;
+    
+    // Exact match.
+    if (m_host == origin.host())
+        return true;
+    
+    // Otherwise we can only match if we're matching subdomains.
+    if (m_subdomainSettings == DisallowSubdomains)
+        return false;
+    
+    // Don't try to do subdomain matching on IP addresses.
+    if (m_hostIsIPAddress)
+        return false;
+    
+    // Match subdomains.
+    if (origin.host().length() > m_host.length() && origin.host()[origin.host().length() - m_host.length() - 1] == '.' && origin.host().endsWith(m_host))
+        return true;
+    
+    return false;
+}
+    
+} // namespace WebCore