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/*
* Copyright (C) 2004, 2006, 2008, 2011 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef FormData_h
#define FormData_h
#include "KURL.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class Document;
class FormDataList;
class TextEncoding;
class FormDataElement {
public:
FormDataElement() : m_type(data) { }
explicit FormDataElement(const Vector<char>& array) : m_type(data), m_data(array) { }
#if ENABLE(BLOB)
FormDataElement(const String& filename, long long fileStart, long long fileLength, double expectedFileModificationTime, bool shouldGenerateFile) : m_type(encodedFile), m_filename(filename), m_fileStart(fileStart), m_fileLength(fileLength), m_expectedFileModificationTime(expectedFileModificationTime), m_shouldGenerateFile(shouldGenerateFile) { }
explicit FormDataElement(const KURL& blobURL) : m_type(encodedBlob), m_url(blobURL) { }
#else
FormDataElement(const String& filename, bool shouldGenerateFile) : m_type(encodedFile), m_filename(filename), m_shouldGenerateFile(shouldGenerateFile) { }
#endif
#if ENABLE(FILE_SYSTEM)
FormDataElement(const KURL& url, long long start, long long length, double expectedFileModificationTime) : m_type(encodedURL), m_url(url), m_fileStart(start), m_fileLength(length), m_expectedFileModificationTime(expectedFileModificationTime), m_shouldGenerateFile(false) { }
#endif
enum Type {
data,
encodedFile
#if ENABLE(BLOB)
, encodedBlob
#endif
#if ENABLE(FILE_SYSTEM)
, encodedURL
#endif
} m_type;
Vector<char> m_data;
String m_filename;
#if ENABLE(BLOB)
KURL m_url; // For Blob or URL.
long long m_fileStart;
long long m_fileLength;
double m_expectedFileModificationTime;
#endif
String m_generatedFilename;
bool m_shouldGenerateFile;
};
inline bool operator==(const FormDataElement& a, const FormDataElement& b)
{
if (&a == &b)
return true;
if (a.m_type != b.m_type)
return false;
if (a.m_type == FormDataElement::data)
return a.m_data == b.m_data;
if (a.m_type == FormDataElement::encodedFile)
#if ENABLE(BLOB)
return a.m_filename == b.m_filename && a.m_fileStart == b.m_fileStart && a.m_fileLength == b.m_fileLength && a.m_expectedFileModificationTime == b.m_expectedFileModificationTime;
if (a.m_type == FormDataElement::encodedBlob)
return a.m_url == b.m_url;
#else
return a.m_filename == b.m_filename;
#endif
#if ENABLE(FILE_SYSTEM)
if (a.m_type == FormDataElement::encodedURL)
return a.m_url == b.m_url;
#endif
return true;
}
inline bool operator!=(const FormDataElement& a, const FormDataElement& b)
{
return !(a == b);
}
class FormData : public RefCounted<FormData> {
public:
enum EncodingType {
FormURLEncoded, // for application/x-www-form-urlencoded
TextPlain, // for text/plain
MultipartFormData // for multipart/form-data
};
static PassRefPtr<FormData> create();
static PassRefPtr<FormData> create(const void*, size_t);
static PassRefPtr<FormData> create(const CString&);
static PassRefPtr<FormData> create(const Vector<char>&);
static PassRefPtr<FormData> create(const FormDataList&, const TextEncoding&, EncodingType = FormURLEncoded);
static PassRefPtr<FormData> createMultiPart(const FormDataList&, const TextEncoding&, Document*);
PassRefPtr<FormData> copy() const;
PassRefPtr<FormData> deepCopy() const;
~FormData();
void encode(Encoder&) const;
static PassRefPtr<FormData> decode(Decoder&);
void appendData(const void* data, size_t);
void appendFile(const String& filePath, bool shouldGenerateFile = false);
#if ENABLE(BLOB)
void appendFileRange(const String& filename, long long start, long long length, double expectedModificationTime, bool shouldGenerateFile = false);
void appendBlob(const KURL& blobURL);
#endif
#if ENABLE(FILE_SYSTEM)
void appendURL(const KURL&);
void appendURLRange(const KURL&, long long start, long long length, double expectedModificationTime);
#endif
void flatten(Vector<char>&) const; // omits files
String flattenToString() const; // omits files
#if ENABLE(BLOB)
// Resolve all blob references so we only have file and data.
// If the FormData has no blob references to resolve, this is returned.
PassRefPtr<FormData> resolveBlobReferences();
#endif
bool isEmpty() const { return m_elements.isEmpty(); }
const Vector<FormDataElement>& elements() const { return m_elements; }
const Vector<char>& boundary() const { return m_boundary; }
void generateFiles(Document*);
void removeGeneratedFilesIfNeeded();
bool alwaysStream() const { return m_alwaysStream; }
void setAlwaysStream(bool alwaysStream) { m_alwaysStream = alwaysStream; }
// Identifies a particular form submission instance. A value of 0 is used
// to indicate an unspecified identifier.
void setIdentifier(int64_t identifier) { m_identifier = identifier; }
int64_t identifier() const { return m_identifier; }
bool containsPasswordData() const { return m_containsPasswordData; }
void setContainsPasswordData(bool containsPasswordData) { m_containsPasswordData = containsPasswordData; }
static EncodingType parseEncodingType(const String& type)
{
if (equalIgnoringCase(type, "text/plain"))
return TextPlain;
if (equalIgnoringCase(type, "multipart/form-data"))
return MultipartFormData;
return FormURLEncoded;
}
private:
FormData();
FormData(const FormData&);
void appendKeyValuePairItems(const FormDataList&, const TextEncoding&, bool isMultiPartForm, Document*, EncodingType = FormURLEncoded);
Vector<FormDataElement> m_elements;
int64_t m_identifier;
bool m_hasGeneratedFiles;
bool m_alwaysStream;
Vector<char> m_boundary;
bool m_containsPasswordData;
};
inline bool operator==(const FormData& a, const FormData& b)
{
return a.elements() == b.elements();
}
inline bool operator!=(const FormData& a, const FormData& b)
{
return !(a == b);
}
} // namespace WebCore
#endif
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