Reviewed by Darin Adler.
[WebKit-https.git] / WebCore / platform / network / ResourceHandle.cpp
1 /*
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24  */
25
26 #include "config.h"
27 #include "ResourceHandle.h"
28 #include "ResourceHandleInternal.h"
29
30 #include "Logging.h"
31 #include "ResourceHandleClient.h"
32 #include "Timer.h"
33 #include <algorithm>
34
35 namespace WebCore {
36
37 static bool shouldForceContentSniffing;
38
39 ResourceHandle::ResourceHandle(const ResourceRequest& request, ResourceHandleClient* client, bool defersLoading,
40          bool shouldContentSniff, bool mightDownloadFromHandle)
41     : d(new ResourceHandleInternal(this, request, client, defersLoading, shouldContentSniff, mightDownloadFromHandle))
42 {
43 }
44
45 PassRefPtr<ResourceHandle> ResourceHandle::create(const ResourceRequest& request, ResourceHandleClient* client,
46     Frame* frame, bool defersLoading, bool shouldContentSniff, bool mightDownloadFromHandle)
47 {
48     if (shouldContentSniff)
49         shouldContentSniff = shouldContentSniffURL(request.url());
50
51     RefPtr<ResourceHandle> newHandle(adoptRef(new ResourceHandle(request, client, defersLoading, shouldContentSniff, mightDownloadFromHandle)));
52
53     if (!request.url().isValid()) {
54         newHandle->scheduleFailure(InvalidURLFailure);
55         return newHandle.release();
56     }
57
58     if (!portAllowed(request.url())) {
59         newHandle->scheduleFailure(BlockedFailure);
60         return newHandle.release();
61     }
62         
63     if (newHandle->start(frame))
64         return newHandle.release();
65
66     return 0;
67 }
68
69 void ResourceHandle::scheduleFailure(FailureType type)
70 {
71     d->m_failureType = type;
72     d->m_failureTimer.startOneShot(0);
73 }
74
75 void ResourceHandle::fireFailure(Timer<ResourceHandle>*)
76 {
77     if (!client())
78         return;
79
80     switch (d->m_failureType) {
81         case BlockedFailure:
82             client()->wasBlocked(this);
83             return;
84         case InvalidURLFailure:
85             client()->cannotShowURL(this);
86             return;
87     }
88
89     ASSERT_NOT_REACHED();
90 }
91
92 ResourceHandleClient* ResourceHandle::client() const
93 {
94     return d->m_client;
95 }
96
97 void ResourceHandle::setClient(ResourceHandleClient* client)
98 {
99     d->m_client = client;
100 }
101
102 const ResourceRequest& ResourceHandle::request() const
103 {
104     return d->m_request;
105 }
106
107 void ResourceHandle::clearAuthentication()
108 {
109 #if PLATFORM(MAC)
110     d->m_currentMacChallenge = nil;
111 #endif
112     d->m_currentWebChallenge.nullify();
113 }
114   
115 bool ResourceHandle::shouldContentSniff() const
116 {
117     return d->m_shouldContentSniff;
118 }
119
120 bool ResourceHandle::shouldContentSniffURL(const KURL& url)
121 {
122 #if PLATFORM(MAC)
123     if (shouldForceContentSniffing)
124         return true;
125 #endif
126     // We shouldn't content sniff file URLs as their MIME type should be established via their extension.
127     return !url.protocolIs("file");
128 }
129
130 void ResourceHandle::forceContentSniffing()
131 {
132     shouldForceContentSniffing = true;
133 }
134
135 } // namespace WebCore