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 30 namespace WebCore { 31 32 class HTTPHeaderMap; 33 class ResourceResponse; 34 35 class CrossOriginPreflightResultCacheItem : public Noncopyable { 36 public: CrossOriginPreflightResultCacheItem(bool credentials)37 CrossOriginPreflightResultCacheItem(bool credentials) 38 : m_absoluteExpiryTime(0) 39 , m_credentials(credentials) 40 { 41 } 42 43 bool parse(const ResourceResponse&); 44 bool allowsCrossOriginMethod(const String&) const; 45 bool allowsCrossOriginHeaders(const HTTPHeaderMap&) const; 46 bool allowsRequest(bool includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders) const; 47 48 private: 49 typedef HashSet<String, CaseFoldingHash> HeadersSet; 50 51 // FIXME: A better solution to holding onto the absolute expiration time might be 52 // to start a timer for the expiration delta that removes this from the cache when 53 // it fires. 54 double m_absoluteExpiryTime; 55 bool m_credentials; 56 HashSet<String> m_methods; 57 HeadersSet m_headers; 58 }; 59 60 class CrossOriginPreflightResultCache : public Noncopyable { 61 public: 62 static CrossOriginPreflightResultCache& shared(); 63 64 void appendEntry(const String& origin, const KURL&, CrossOriginPreflightResultCacheItem*); 65 bool canSkipPreflight(const String& origin, const KURL&, bool includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders); 66 67 void empty(); 68 69 private: CrossOriginPreflightResultCache()70 CrossOriginPreflightResultCache() { } 71 72 typedef HashMap<std::pair<String, KURL>, CrossOriginPreflightResultCacheItem*> CrossOriginPreflightResultHashMap; 73 74 CrossOriginPreflightResultHashMap m_preflightHashMap; 75 Mutex m_mutex; 76 }; 77 78 } // namespace WebCore 79