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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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"
#include "DOMFileSystemBase.h"
#if ENABLE(FILE_SYSTEM)
#include "DOMFilePath.h"
#include "FileSystemType.h"
#include "ScriptExecutionContext.h"
#include "SecurityOrigin.h"
#include <wtf/text/StringBuilder.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
const char externalPathPrefix[] = "external";
// static
bool DOMFileSystemBase::isValidType(FileSystemType type)
{
return type == FileSystemTypeTemporary || type == FileSystemTypePersistent || type == FileSystemTypeIsolated || type == FileSystemTypeExternal;
}
// static
bool DOMFileSystemBase::crackFileSystemURL(const KURL& url, FileSystemType& type, String& filePath)
{
if (!url.protocolIs("filesystem"))
return false;
if (!url.innerURL())
return false;
String typeString = url.innerURL()->path().substring(1);
if (typeString == temporaryPathPrefix)
type = FileSystemTypeTemporary;
else if (typeString == persistentPathPrefix)
type = FileSystemTypePersistent;
else if (typeString == externalPathPrefix)
type = FileSystemTypeExternal;
else
return false;
filePath = decodeURLEscapeSequences(url.path());
return true;
}
bool DOMFileSystemBase::supportsToURL() const
{
ASSERT(isValidType(m_type));
return m_type != FileSystemTypeIsolated;
}
KURL DOMFileSystemBase::createFileSystemURL(const String& fullPath) const
{
ASSERT(DOMFilePath::isAbsolute(fullPath));
if (type() == FileSystemTypeExternal) {
// For external filesystem originString could be different from what we have in m_filesystemRootURL.
StringBuilder result;
result.append("filesystem:");
result.append(securityOrigin()->toString());
result.append("/");
result.append(externalPathPrefix);
result.append(m_filesystemRootURL.path());
// Remove the extra leading slash.
result.append(encodeWithURLEscapeSequences(fullPath.substring(1)));
return KURL(ParsedURLString, result.toString());
}
// For regular types we can just append the entry's fullPath to the m_filesystemRootURL that should look like 'filesystem:<origin>/<typePrefix>'.
ASSERT(!m_filesystemRootURL.isEmpty());
KURL url = m_filesystemRootURL;
// Remove the extra leading slash.
url.setPath(url.path() + encodeWithURLEscapeSequences(fullPath.substring(1)));
return url;
}
} // namespace WebCore
#endif // ENABLE(FILE_SYSTEM)
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