1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/*
* Copyright (C) 2005, 2006, 2011 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
*/
#ifndef ResourceLoader_h
#define ResourceLoader_h
#include "ResourceHandleClient.h"
#include "ResourceLoaderOptions.h"
#include "ResourceLoaderTypes.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include <wtf/Forward.h>
namespace WTF {
class SchedulePair;
}
namespace WebCore {
class AuthenticationChallenge;
class DocumentLoader;
class Frame;
class FrameLoader;
class URL;
class ResourceBuffer;
#if USE(QUICK_LOOK)
class QuickLookHandle;
#endif
class ResourceLoader : public RefCounted<ResourceLoader>, protected ResourceHandleClient {
public:
virtual ~ResourceLoader() = 0;
WEBCORE_EXPORT void cancel();
virtual bool init(const ResourceRequest&);
#if PLATFORM(IOS)
virtual bool startLoading()
{
start();
return true;
}
virtual const ResourceRequest& iOSOriginalRequest() const { return request(); }
#endif
WEBCORE_EXPORT FrameLoader* frameLoader() const;
DocumentLoader* documentLoader() const { return m_documentLoader.get(); }
WEBCORE_EXPORT const ResourceRequest& originalRequest() const { return m_originalRequest; }
WEBCORE_EXPORT void cancel(const ResourceError&);
WEBCORE_EXPORT ResourceError cancelledError();
ResourceError blockedError();
ResourceError cannotShowURLError();
virtual void setDefersLoading(bool);
bool defersLoading() const { return m_defersLoading; }
unsigned long identifier() const { return m_identifier; }
virtual void releaseResources();
const ResourceResponse& response() const;
ResourceBuffer* resourceData() const { return m_resourceData.get(); }
void clearResourceData();
virtual bool isSubresourceLoader();
virtual void willSendRequest(ResourceRequest&, const ResourceResponse& redirectResponse);
virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
virtual void didReceiveResponse(const ResourceResponse&);
virtual void didReceiveData(const char*, unsigned, long long encodedDataLength, DataPayloadType);
virtual void didReceiveBuffer(PassRefPtr<SharedBuffer>, long long encodedDataLength, DataPayloadType);
virtual void didFinishLoading(double finishTime);
virtual void didFail(const ResourceError&);
#if USE(NETWORK_CFDATA_ARRAY_CALLBACK)
virtual void didReceiveDataArray(CFArrayRef dataArray);
#endif
virtual bool shouldUseCredentialStorage();
virtual void didReceiveAuthenticationChallenge(const AuthenticationChallenge&);
WEBCORE_EXPORT void didCancelAuthenticationChallenge(const AuthenticationChallenge&);
#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
virtual bool canAuthenticateAgainstProtectionSpace(const ProtectionSpace&);
#endif
virtual void receivedCancellation(const AuthenticationChallenge&);
#if USE(QUICK_LOOK)
virtual void didCreateQuickLookHandle(QuickLookHandle&) override;
#endif
bool isQuickLookResource() { return m_isQuickLookResource; }
const URL& url() const { return m_request.url(); }
ResourceHandle* handle() const { return m_handle.get(); }
bool shouldSendResourceLoadCallbacks() const { return m_options.sendLoadCallbacks() == SendCallbacks; }
void setSendCallbackPolicy(SendCallbackPolicy sendLoadCallbacks) { m_options.setSendLoadCallbacks(sendLoadCallbacks); }
bool shouldSniffContent() const { return m_options.sniffContent() == SniffContent; }
WEBCORE_EXPORT bool isAllowedToAskUserForCredentials() const;
bool shouldIncludeCertificateInfo() const { return m_options.certificateInfoPolicy() == IncludeCertificateInfo; }
bool reachedTerminalState() const { return m_reachedTerminalState; }
const ResourceRequest& request() const { return m_request; }
void setDataBufferingPolicy(DataBufferingPolicy);
void willSwitchToSubstituteResource();
#if PLATFORM(MAC)
void schedule(WTF::SchedulePair&);
void unschedule(WTF::SchedulePair&);
#endif
protected:
ResourceLoader(Frame*, ResourceLoaderOptions);
friend class ResourceLoadScheduler; // for access to start()
// start() actually sends the load to the network (unless the load is being
// deferred) and should only be called by ResourceLoadScheduler or setDefersLoading().
void start();
void didFinishLoadingOnePart(double finishTime);
void cleanupForError(const ResourceError&);
bool wasCancelled() const { return m_cancellationStatus >= Cancelled; }
void didReceiveDataOrBuffer(const char*, unsigned, PassRefPtr<SharedBuffer>, long long encodedDataLength, DataPayloadType);
const ResourceLoaderOptions& options() { return m_options; }
#if PLATFORM(COCOA) && !USE(CFNETWORK)
virtual NSCachedURLResponse* willCacheResponse(ResourceHandle*, NSCachedURLResponse*) override;
#endif
#if PLATFORM(COCOA) && USE(CFNETWORK)
virtual CFCachedURLResponseRef willCacheResponse(ResourceHandle*, CFCachedURLResponseRef) override;
#endif
RefPtr<ResourceHandle> m_handle;
RefPtr<Frame> m_frame;
RefPtr<DocumentLoader> m_documentLoader;
ResourceResponse m_response;
private:
virtual void willCancel(const ResourceError&) = 0;
virtual void didCancel(const ResourceError&) = 0;
void addDataOrBuffer(const char*, unsigned, SharedBuffer*, DataPayloadType);
// ResourceHandleClient
virtual void willSendRequest(ResourceHandle*, ResourceRequest&, const ResourceResponse& redirectResponse) override;
virtual void didSendData(ResourceHandle*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&) override;
virtual void didReceiveData(ResourceHandle*, const char*, unsigned, int encodedDataLength) override;
virtual void didReceiveBuffer(ResourceHandle*, PassRefPtr<SharedBuffer>, int encodedDataLength) override;
virtual void didFinishLoading(ResourceHandle*, double finishTime) override;
virtual void didFail(ResourceHandle*, const ResourceError&) override;
virtual void wasBlocked(ResourceHandle*) override;
virtual void cannotShowURL(ResourceHandle*) override;
#if USE(NETWORK_CFDATA_ARRAY_CALLBACK)
virtual void didReceiveDataArray(ResourceHandle*, CFArrayRef dataArray) override;
#endif
virtual bool shouldUseCredentialStorage(ResourceHandle*) override { return shouldUseCredentialStorage(); }
virtual void didReceiveAuthenticationChallenge(ResourceHandle*, const AuthenticationChallenge& challenge) override { didReceiveAuthenticationChallenge(challenge); }
virtual void didCancelAuthenticationChallenge(ResourceHandle*, const AuthenticationChallenge& challenge) override { didCancelAuthenticationChallenge(challenge); }
#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
virtual bool canAuthenticateAgainstProtectionSpace(ResourceHandle*, const ProtectionSpace& protectionSpace) override { return canAuthenticateAgainstProtectionSpace(protectionSpace); }
#endif
virtual void receivedCancellation(ResourceHandle*, const AuthenticationChallenge& challenge) override { receivedCancellation(challenge); }
#if PLATFORM(IOS)
virtual RetainPtr<CFDictionaryRef> connectionProperties(ResourceHandle*) override;
#endif
#if PLATFORM(WIN) && USE(CFNETWORK)
// FIXME: Windows should use willCacheResponse - <https://bugs.webkit.org/show_bug.cgi?id=57257>.
virtual bool shouldCacheResponse(ResourceHandle*, CFCachedURLResponseRef) override;
#endif
ResourceRequest m_request;
ResourceRequest m_originalRequest; // Before redirects.
RefPtr<ResourceBuffer> m_resourceData;
unsigned long m_identifier;
bool m_reachedTerminalState;
bool m_notifiedLoadComplete;
enum CancellationStatus {
NotCancelled,
CalledWillCancel,
Cancelled,
FinishedCancel
};
CancellationStatus m_cancellationStatus;
bool m_defersLoading;
ResourceRequest m_deferredRequest;
ResourceLoaderOptions m_options;
bool m_isQuickLookResource;
};
inline const ResourceResponse& ResourceLoader::response() const
{
return m_response;
}
}
#endif
|
