1 /*
2 * Copyright (C) 2006, 2007 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 #include "config.h"
27 #include "ResourceResponse.h"
28
29 #include "HTTPParsers.h"
30 #include "MIMETypeRegistry.h"
31 #include <CFNetwork/CFURLResponsePriv.h>
32 #include <wtf/RetainPtr.h>
33
34 using namespace std;
35
36 // We would like a better value for a maximum time_t,
37 // but there is no way to do that in C with any certainty.
38 // INT_MAX should work well enough for our purposes.
39 #define MAX_TIME_T ((time_t)INT_MAX)
40
41 namespace WebCore {
42
cfURLResponse() const43 CFURLResponseRef ResourceResponse::cfURLResponse() const
44 {
45 return m_cfResponse.get();
46 }
47
filenameHasSaneExtension(const String & filename)48 static inline bool filenameHasSaneExtension(const String& filename)
49 {
50 int dot = filename.find('.');
51
52 // The dot can't be the first or last character in the filename.
53 int length = filename.length();
54 return dot > 0 && dot < length - 1;
55 }
56
toTimeT(CFAbsoluteTime time)57 static time_t toTimeT(CFAbsoluteTime time)
58 {
59 static const double maxTimeAsDouble = std::numeric_limits<time_t>::max();
60 static const double minTimeAsDouble = std::numeric_limits<time_t>::min();
61 return min(max(minTimeAsDouble, time + kCFAbsoluteTimeIntervalSince1970), maxTimeAsDouble);
62 }
63
platformLazyInit()64 void ResourceResponse::platformLazyInit()
65 {
66 if (m_isUpToDate)
67 return;
68 m_isUpToDate = true;
69
70 if (m_isNull) {
71 ASSERT(!m_cfResponse.get());
72 return;
73 }
74
75 // FIXME: We may need to do MIME type sniffing here (unless that is done in CFURLResponseGetMIMEType).
76
77 m_url = CFURLResponseGetURL(m_cfResponse.get());
78 m_mimeType = CFURLResponseGetMIMEType(m_cfResponse.get());
79 m_expectedContentLength = CFURLResponseGetExpectedContentLength(m_cfResponse.get());
80 m_textEncodingName = CFURLResponseGetTextEncodingName(m_cfResponse.get());
81
82 m_lastModifiedDate = toTimeT(CFURLResponseGetLastModifiedDate(m_cfResponse.get()));
83
84 RetainPtr<CFStringRef> suggestedFilename(AdoptCF, CFURLResponseCopySuggestedFilename(m_cfResponse.get()));
85 m_suggestedFilename = suggestedFilename.get();
86
87 CFHTTPMessageRef httpResponse = CFURLResponseGetHTTPResponse(m_cfResponse.get());
88 if (httpResponse) {
89 m_httpStatusCode = CFHTTPMessageGetResponseStatusCode(httpResponse);
90
91 RetainPtr<CFStringRef> statusLine(AdoptCF, CFHTTPMessageCopyResponseStatusLine(httpResponse));
92 String statusText(statusLine.get());
93 int spacePos = statusText.find(' ');
94 // Remove the status code from the status text.
95 spacePos = statusText.find(' ', spacePos + 1);
96 statusText = statusText.substring(spacePos + 1);
97
98 m_httpStatusText = statusText;
99
100 RetainPtr<CFDictionaryRef> headers(AdoptCF, CFHTTPMessageCopyAllHeaderFields(httpResponse));
101 CFIndex headerCount = CFDictionaryGetCount(headers.get());
102 Vector<const void*, 128> keys(headerCount);
103 Vector<const void*, 128> values(headerCount);
104 CFDictionaryGetKeysAndValues(headers.get(), keys.data(), values.data());
105 for (int i = 0; i < headerCount; ++i)
106 m_httpHeaderFields.set((CFStringRef)keys[i], (CFStringRef)values[i]);
107 } else
108 m_httpStatusCode = 0;
109 }
110
platformCompare(const ResourceResponse & a,const ResourceResponse & b)111 bool ResourceResponse::platformCompare(const ResourceResponse& a, const ResourceResponse& b)
112 {
113 return CFEqual(a.cfURLResponse(), b.cfURLResponse());
114 }
115
116
117 }
118