From 8f72e70a9fd78eec56623b3a62e68f16b7b27e28 Mon Sep 17 00:00:00 2001
From: Feng Qian <>
Date: Fri, 10 Apr 2009 18:11:29 -0700
Subject: AI 145796: Land the WebKit merge @r42026.

Automated import of CL 145796
---
 WebCore/loader/CrossOriginPreflightResultCache.h | 78 ++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 WebCore/loader/CrossOriginPreflightResultCache.h

(limited to 'WebCore/loader/CrossOriginPreflightResultCache.h')

diff --git a/WebCore/loader/CrossOriginPreflightResultCache.h b/WebCore/loader/CrossOriginPreflightResultCache.h
new file mode 100644
index 0000000..39c3cd1
--- /dev/null
+++ b/WebCore/loader/CrossOriginPreflightResultCache.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2008 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "KURLHash.h"
+#include "StringHash.h"
+
+namespace WebCore {
+
+    class HTTPHeaderMap;
+    class ResourceResponse;
+
+    class CrossOriginPreflightResultCacheItem : Noncopyable {
+    public:
+        CrossOriginPreflightResultCacheItem(bool credentials)
+            : m_absoluteExpiryTime(0)
+            , m_credentials(credentials)
+        {
+        }
+
+        bool parse(const ResourceResponse&);
+        bool allowsCrossOriginMethod(const String&) const;
+        bool allowsCrossOriginHeaders(const HTTPHeaderMap&) const;
+        bool allowsRequest(bool includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders) const;
+
+    private:
+        typedef HashSet<String, CaseFoldingHash> HeadersSet;
+
+        // FIXME: A better solution to holding onto the absolute expiration time might be
+        // to start a timer for the expiration delta that removes this from the cache when
+        // it fires.
+        double m_absoluteExpiryTime;
+        bool m_credentials;
+        HashSet<String> m_methods;
+        HeadersSet m_headers;
+    };
+
+    class CrossOriginPreflightResultCache : Noncopyable {
+    public:
+        static CrossOriginPreflightResultCache& shared();
+
+        void appendEntry(const String& origin, const KURL&, CrossOriginPreflightResultCacheItem*);
+        bool canSkipPreflight(const String& origin, const KURL&, bool includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders);
+
+        void empty();
+
+    private:
+        CrossOriginPreflightResultCache() { }
+
+        typedef HashMap<std::pair<String, KURL>, CrossOriginPreflightResultCacheItem*> CrossOriginPreflightResultHashMap;
+
+        CrossOriginPreflightResultHashMap m_preflightHashMap;
+        Mutex m_mutex;
+    };
+
+} // namespace WebCore
-- 
cgit v1.1