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
|
/*
* Copyright (C) 2008 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
* Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk>
* Copyright (C) 2007 Holger Hans Peter Freyther
* 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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.
*/
#include "config.h"
// We need to define __STDC_LIMIT_MACROS to define SIZE_MAX.
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#include <stdint.h>
#undef __STDC_LIMIT_MACROS
#else
#include <stdint.h>
#endif
#include "FormDataStreamCurl.h"
#include "CString.h"
#include "FormData.h"
#include "ResourceRequest.h"
namespace WebCore {
FormDataStream::~FormDataStream()
{
if (m_file)
fclose(m_file);
}
size_t FormDataStream::read(void* ptr, size_t blockSize, size_t numberOfBlocks)
{
// Check for overflow.
if (!numberOfBlocks || blockSize > SIZE_MAX / numberOfBlocks)
return 0;
Vector<FormDataElement> elements;
if (m_resourceHandle->request().httpBody())
elements = m_resourceHandle->request().httpBody()->elements();
if (m_formDataElementIndex >= elements.size())
return 0;
FormDataElement element = elements[m_formDataElementIndex];
size_t toSend = blockSize * numberOfBlocks;
size_t sent;
if (element.m_type == FormDataElement::encodedFile) {
if (!m_file)
m_file = fopen(element.m_filename.utf8().data(), "rb");
if (!m_file) {
// FIXME: show a user error?
#ifndef NDEBUG
printf("Failed while trying to open %s for upload\n", element.m_filename.utf8().data());
#endif
return 0;
}
sent = fread(ptr, blockSize, numberOfBlocks, m_file);
if (!blockSize && ferror(m_file)) {
// FIXME: show a user error?
#ifndef NDEBUG
printf("Failed while trying to read %s for upload\n", element.m_filename.utf8().data());
#endif
return 0;
}
if (feof(m_file)) {
fclose(m_file);
m_file = 0;
m_formDataElementIndex++;
}
} else {
size_t elementSize = element.m_data.size() - m_formDataElementDataOffset;
sent = elementSize > toSend ? toSend : elementSize;
memcpy(ptr, element.m_data.data() + m_formDataElementDataOffset, sent);
if (elementSize > sent)
m_formDataElementDataOffset += sent;
else {
m_formDataElementDataOffset = 0;
m_formDataElementIndex++;
}
}
return sent;
}
} // namespace WebCore
|
