1 /* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #include "KURLHash.h" 28 #include "StringHash.h" 29 #include <wtf/HashMap.h> 30 #include <wtf/HashSet.h> 31 32 namespace WebCore { 33 34 class HTTPHeaderMap; 35 class ResourceResponse; 36 37 class CrossOriginPreflightResultCacheItem : public Noncopyable { 38 public: CrossOriginPreflightResultCacheItem(bool credentials)39 CrossOriginPreflightResultCacheItem(bool credentials) 40 : m_absoluteExpiryTime(0) 41 , m_credentials(credentials) 42 { 43 } 44 45 bool parse(const ResourceResponse&); 46 bool allowsCrossOriginMethod(const String&) const; 47 bool allowsCrossOriginHeaders(const HTTPHeaderMap&) const; 48 bool allowsRequest(bool includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders) const; 49 50 private: 51 typedef HashSet<String, CaseFoldingHash> HeadersSet; 52 53 // FIXME: A better solution to holding onto the absolute expiration time might be 54 // to start a timer for the expiration delta that removes this from the cache when 55 // it fires. 56 double m_absoluteExpiryTime; 57 bool m_credentials; 58 HashSet<String> m_methods; 59 HeadersSet m_headers; 60 }; 61 62 class CrossOriginPreflightResultCache : public Noncopyable { 63 public: 64 static CrossOriginPreflightResultCache& shared(); 65 66 void appendEntry(const String& origin, const KURL&, CrossOriginPreflightResultCacheItem*); 67 bool canSkipPreflight(const String& origin, const KURL&, bool includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders); 68 69 void empty(); 70 71 private: CrossOriginPreflightResultCache()72 CrossOriginPreflightResultCache() { } 73 74 typedef HashMap<std::pair<String, KURL>, CrossOriginPreflightResultCacheItem*> CrossOriginPreflightResultHashMap; 75 76 CrossOriginPreflightResultHashMap m_preflightHashMap; 77 }; 78 79 } // namespace WebCore 80