1 /* 2 Copyright (C) 1998 Lars Knoll (knoll (at) mpi-hd.mpg.de) 3 Copyright (C) 2001 Dirk Mueller <mueller (at) kde.org> 4 Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com) 5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. 6 7 This library is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Library General Public 9 License as published by the Free Software Foundation; either 10 version 2 of the License, or (at your option) any later version. 11 12 This library is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public License 18 along with this library; see the file COPYING.LIB. If not, write to 19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef RawResource_h 24 #define RawResource_h 25 26 #include "core/fetch/ResourceClient.h" 27 #include "core/fetch/ResourcePtr.h" 28 29 namespace WebCore { 30 class RawResourceCallback; 31 class RawResourceClient; 32 33 class RawResource : public Resource { 34 public: 35 typedef RawResourceClient ClientType; 36 37 RawResource(const ResourceRequest&, Type); 38 39 // FIXME: AssociatedURLLoader shouldn't be a DocumentThreadableLoader and therefore shouldn't 40 // use RawResource. However, it is, and it needs to be able to defer loading. 41 // This can be fixed by splitting CORS preflighting out of DocumentThreacableLoader. 42 virtual void setDefersLoading(bool); 43 44 virtual void setDataBufferingPolicy(DataBufferingPolicy); 45 46 void clear(); 47 48 virtual bool canReuse(const ResourceRequest&) const; 49 50 private: 51 virtual void didAddClient(ResourceClient*); 52 virtual void appendData(const char*, int) OVERRIDE; 53 54 virtual bool shouldIgnoreHTTPStatusCodeErrors() const { return true; } 55 56 virtual void willSendRequest(ResourceRequest&, const ResourceResponse&); 57 virtual void responseReceived(const ResourceResponse&); 58 virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent); 59 virtual void didDownloadData(int); 60 61 struct RedirectPair { 62 public: 63 explicit RedirectPair(const ResourceRequest& request, const ResourceResponse& redirectResponse) 64 : m_request(request) 65 , m_redirectResponse(redirectResponse) 66 { 67 } 68 69 const ResourceRequest m_request; 70 const ResourceResponse m_redirectResponse; 71 }; 72 73 Vector<RedirectPair> m_redirectChain; 74 }; 75 76 #ifdef SECURITY_ASSERT_ENABLED 77 inline bool isRawResource(const Resource& resource) 78 { 79 Resource::Type type = resource.type(); 80 return type == Resource::MainResource || type == Resource::Raw || type == Resource::TextTrack || type == Resource::ImportResource; 81 } 82 #endif 83 inline RawResource* toRawResource(const ResourcePtr<Resource>& resource) 84 { 85 ASSERT_WITH_SECURITY_IMPLICATION(!resource || isRawResource(*resource.get())); 86 return static_cast<RawResource*>(resource.get()); 87 } 88 89 class RawResourceClient : public ResourceClient { 90 public: 91 virtual ~RawResourceClient() { } 92 static ResourceClientType expectedType() { return RawResourceType; } 93 virtual ResourceClientType resourceClientType() const { return expectedType(); } 94 95 virtual void dataSent(Resource*, unsigned long long /* bytesSent */, unsigned long long /* totalBytesToBeSent */) { } 96 virtual void responseReceived(Resource*, const ResourceResponse&) { } 97 virtual void dataReceived(Resource*, const char* /* data */, int /* length */) { } 98 virtual void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&) { } 99 virtual void dataDownloaded(Resource*, int) { } 100 }; 101 102 } 103 104 #endif // RawResource_h 105