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 #ifndef CrossOriginPreflightResultCache_h 28 #define CrossOriginPreflightResultCache_h 29 30 #include "core/fetch/ResourceLoaderOptions.h" 31 #include "platform/weborigin/KURLHash.h" 32 #include "wtf/HashMap.h" 33 #include "wtf/HashSet.h" 34 #include "wtf/PassOwnPtr.h" 35 #include "wtf/text/StringHash.h" 36 37 namespace WebCore { 38 39 class HTTPHeaderMap; 40 class ResourceResponse; 41 42 class CrossOriginPreflightResultCacheItem { 43 WTF_MAKE_NONCOPYABLE(CrossOriginPreflightResultCacheItem); WTF_MAKE_FAST_ALLOCATED; 44 public: CrossOriginPreflightResultCacheItem(StoredCredentials credentials)45 CrossOriginPreflightResultCacheItem(StoredCredentials credentials) 46 : m_absoluteExpiryTime(0) 47 , m_credentials(credentials) 48 { 49 } 50 51 bool parse(const ResourceResponse&, String& errorDescription); 52 bool allowsCrossOriginMethod(const String&, String& errorDescription) const; 53 bool allowsCrossOriginHeaders(const HTTPHeaderMap&, String& errorDescription) const; 54 bool allowsRequest(StoredCredentials, const String& method, const HTTPHeaderMap& requestHeaders) const; 55 56 private: 57 typedef HashSet<String, CaseFoldingHash> HeadersSet; 58 59 // FIXME: A better solution to holding onto the absolute expiration time might be 60 // to start a timer for the expiration delta that removes this from the cache when 61 // it fires. 62 double m_absoluteExpiryTime; 63 StoredCredentials m_credentials; 64 HashSet<String> m_methods; 65 HeadersSet m_headers; 66 }; 67 68 class CrossOriginPreflightResultCache { 69 WTF_MAKE_NONCOPYABLE(CrossOriginPreflightResultCache); WTF_MAKE_FAST_ALLOCATED; 70 public: 71 static CrossOriginPreflightResultCache& shared(); 72 73 void appendEntry(const String& origin, const KURL&, PassOwnPtr<CrossOriginPreflightResultCacheItem>); 74 bool canSkipPreflight(const String& origin, const KURL&, StoredCredentials, const String& method, const HTTPHeaderMap& requestHeaders); 75 76 void empty(); 77 78 private: CrossOriginPreflightResultCache()79 CrossOriginPreflightResultCache() { } 80 81 typedef HashMap<std::pair<String, KURL>, OwnPtr<CrossOriginPreflightResultCacheItem> > CrossOriginPreflightResultHashMap; 82 83 CrossOriginPreflightResultHashMap m_preflightHashMap; 84 }; 85 86 } // namespace WebCore 87 88 #endif 89