• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public License
15  * along with this library; see the file COPYING.LIB.  If not, write to
16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  *
19  */
20 
21 #include "config.h"
22 #include "core/html/FormDataList.h"
23 
24 #include "core/fileapi/File.h"
25 #include "platform/network/FormDataBuilder.h"
26 #include "platform/text/LineEnding.h"
27 
28 namespace blink {
29 
30 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(FormDataList);
31 
FormDataList(const WTF::TextEncoding & c)32 FormDataList::FormDataList(const WTF::TextEncoding& c)
33     : m_encoding(c)
34 {
35 }
36 
appendString(const String & string)37 void FormDataList::appendString(const String& string)
38 {
39     CString encodedString = m_encoding.encode(string, WTF::EntitiesForUnencodables);
40     m_items.append(normalizeLineEndingsToCRLF(encodedString));
41 }
42 
appendString(const CString & string)43 void FormDataList::appendString(const CString& string)
44 {
45     m_items.append(string);
46 }
47 
appendBlob(PassRefPtrWillBeRawPtr<Blob> blob,const String & filename)48 void FormDataList::appendBlob(PassRefPtrWillBeRawPtr<Blob> blob, const String& filename)
49 {
50     m_items.append(Item(blob, filename));
51 }
52 
createFormData(FormData::EncodingType encodingType)53 PassRefPtr<FormData> FormDataList::createFormData(FormData::EncodingType encodingType)
54 {
55     RefPtr<FormData> result = FormData::create();
56     appendKeyValuePairItemsTo(result.get(), m_encoding, false, encodingType);
57     return result.release();
58 }
59 
createMultiPartFormData()60 PassRefPtr<FormData> FormDataList::createMultiPartFormData()
61 {
62     RefPtr<FormData> result = FormData::create();
63     appendKeyValuePairItemsTo(result.get(), m_encoding, true);
64     return result.release();
65 }
66 
appendKeyValuePairItemsTo(FormData * formData,const WTF::TextEncoding & encoding,bool isMultiPartForm,FormData::EncodingType encodingType)67 void FormDataList::appendKeyValuePairItemsTo(FormData* formData, const WTF::TextEncoding& encoding, bool isMultiPartForm, FormData::EncodingType encodingType)
68 {
69     if (isMultiPartForm)
70         formData->setBoundary(FormDataBuilder::generateUniqueBoundaryString());
71 
72     Vector<char> encodedData;
73 
74     const WillBeHeapVector<Item>& items = this->items();
75     size_t formDataListSize = items.size();
76     ASSERT(!(formDataListSize % 2));
77     for (size_t i = 0; i < formDataListSize; i += 2) {
78         const FormDataList::Item& key = items[i];
79         const FormDataList::Item& value = items[i + 1];
80         if (isMultiPartForm) {
81             Vector<char> header;
82             FormDataBuilder::beginMultiPartHeader(header, formData->boundary().data(), key.data());
83 
84             // If the current type is blob, then we also need to include the filename
85             if (value.blob()) {
86                 String name;
87                 if (value.blob()->isFile()) {
88                     File* file = toFile(value.blob());
89                     // For file blob, use the filename (or relative path if it is present) as the name.
90                     name = file->webkitRelativePath().isEmpty() ? file->name() : file->webkitRelativePath();
91 
92                     // If a filename is passed in FormData.append(), use it instead of the file blob's name.
93                     if (!value.filename().isNull())
94                         name = value.filename();
95                 } else {
96                     // For non-file blob, use the filename if it is passed in FormData.append().
97                     if (!value.filename().isNull())
98                         name = value.filename();
99                     else
100                         name = "blob";
101                 }
102 
103                 // We have to include the filename=".." part in the header, even if the filename is empty
104                 FormDataBuilder::addFilenameToMultiPartHeader(header, encoding, name);
105 
106                 // Add the content type if available, or "application/octet-stream" otherwise (RFC 1867).
107                 String contentType;
108                 if (value.blob()->type().isEmpty())
109                     contentType = "application/octet-stream";
110                 else
111                     contentType = value.blob()->type();
112                 FormDataBuilder::addContentTypeToMultiPartHeader(header, contentType.latin1());
113             }
114 
115             FormDataBuilder::finishMultiPartHeader(header);
116 
117             // Append body
118             formData->appendData(header.data(), header.size());
119             if (value.blob()) {
120                 if (value.blob()->hasBackingFile()) {
121                     File* file = toFile(value.blob());
122                     // Do not add the file if the path is empty.
123                     if (!file->path().isEmpty())
124                         formData->appendFile(file->path());
125                     if (!file->fileSystemURL().isEmpty())
126                         formData->appendFileSystemURL(file->fileSystemURL());
127                 } else {
128                     formData->appendBlob(value.blob()->uuid(), value.blob()->blobDataHandle());
129                 }
130             } else {
131                 formData->appendData(value.data().data(), value.data().length());
132             }
133             formData->appendData("\r\n", 2);
134         } else {
135             FormDataBuilder::addKeyValuePairAsFormData(encodedData, key.data(), value.data(), encodingType);
136         }
137     }
138 
139     if (isMultiPartForm)
140         FormDataBuilder::addBoundaryToMultiPartHeader(encodedData, formData->boundary().data(), true);
141 
142     formData->appendData(encodedData.data(), encodedData.size());
143 }
144 
trace(Visitor * visitor)145 void FormDataList::trace(Visitor* visitor)
146 {
147     visitor->trace(m_items);
148 }
149 
trace(Visitor * visitor)150 void FormDataList::Item::trace(Visitor* visitor)
151 {
152     visitor->trace(m_blob);
153 }
154 
155 } // namespace
156