WorkerContextFileSystem.cpp [plain text]
#include "config.h"
#include "WorkerContextFileSystem.h"
#if ENABLE(FILE_SYSTEM)
#include "AsyncFileSystem.h"
#include "DOMFileSystemBase.h"
#include "DOMFileSystemSync.h"
#include "DirectoryEntrySync.h"
#include "ErrorCallback.h"
#include "FileEntrySync.h"
#include "FileError.h"
#include "FileException.h"
#include "FileSystemCallback.h"
#include "FileSystemCallbacks.h"
#include "FileSystemType.h"
#include "LocalFileSystem.h"
#include "SecurityOrigin.h"
#include "SyncCallbackHelper.h"
#include "WorkerContext.h"
namespace WebCore {
void WorkerContextFileSystem::webkitRequestFileSystem(WorkerContext* worker, int type, long long size, PassRefPtr<FileSystemCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
{
ScriptExecutionContext* secureContext = worker->scriptExecutionContext();
if (!AsyncFileSystem::isAvailable() || !secureContext->securityOrigin()->canAccessFileSystem()) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::SECURITY_ERR));
return;
}
FileSystemType fileSystemType = static_cast<FileSystemType>(type);
if (!DOMFileSystemBase::isValidType(fileSystemType)) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::INVALID_MODIFICATION_ERR));
return;
}
LocalFileSystem::localFileSystem().requestFileSystem(worker, fileSystemType, size, FileSystemCallbacks::create(successCallback, errorCallback, worker, fileSystemType), AsynchronousFileSystem);
}
PassRefPtr<DOMFileSystemSync> WorkerContextFileSystem::webkitRequestFileSystemSync(WorkerContext* worker, int type, long long size, ExceptionCode& ec)
{
ec = 0;
ScriptExecutionContext* secureContext = worker->scriptExecutionContext();
if (!AsyncFileSystem::isAvailable() || !secureContext->securityOrigin()->canAccessFileSystem()) {
ec = FileException::SECURITY_ERR;
return 0;
}
FileSystemType fileSystemType = static_cast<FileSystemType>(type);
if (!DOMFileSystemBase::isValidType(fileSystemType)) {
ec = FileException::INVALID_MODIFICATION_ERR;
return 0;
}
FileSystemSyncCallbackHelper helper;
LocalFileSystem::localFileSystem().requestFileSystem(worker, fileSystemType, size, FileSystemCallbacks::create(helper.successCallback(), helper.errorCallback(), worker, fileSystemType), SynchronousFileSystem);
return helper.getResult(ec);
}
void WorkerContextFileSystem::webkitResolveLocalFileSystemURL(WorkerContext* worker, const String& url, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
{
KURL completedURL = worker->completeURL(url);
ScriptExecutionContext* secureContext = worker->scriptExecutionContext();
if (!AsyncFileSystem::isAvailable() || !secureContext->securityOrigin()->canAccessFileSystem() || !secureContext->securityOrigin()->canRequest(completedURL)) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::SECURITY_ERR));
return;
}
FileSystemType type;
String filePath;
if (!completedURL.isValid() || !DOMFileSystemBase::crackFileSystemURL(completedURL, type, filePath)) {
DOMFileSystem::scheduleCallback(worker, errorCallback, FileError::create(FileError::ENCODING_ERR));
return;
}
LocalFileSystem::localFileSystem().readFileSystem(worker, type, ResolveURICallbacks::create(successCallback, errorCallback, worker, type, filePath));
}
PassRefPtr<EntrySync> WorkerContextFileSystem::webkitResolveLocalFileSystemSyncURL(WorkerContext* worker, const String& url, ExceptionCode& ec)
{
ec = 0;
KURL completedURL = worker->completeURL(url);
ScriptExecutionContext* secureContext = worker->scriptExecutionContext();
if (!AsyncFileSystem::isAvailable() || !secureContext->securityOrigin()->canAccessFileSystem() || !secureContext->securityOrigin()->canRequest(completedURL)) {
ec = FileException::SECURITY_ERR;
return 0;
}
FileSystemType type;
String filePath;
if (!completedURL.isValid() || !DOMFileSystemBase::crackFileSystemURL(completedURL, type, filePath)) {
ec = FileException::ENCODING_ERR;
return 0;
}
FileSystemSyncCallbackHelper readFileSystemHelper;
LocalFileSystem::localFileSystem().readFileSystem(worker, type, FileSystemCallbacks::create(readFileSystemHelper.successCallback(), readFileSystemHelper.errorCallback(), worker, type), SynchronousFileSystem);
RefPtr<DOMFileSystemSync> fileSystem = readFileSystemHelper.getResult(ec);
if (!fileSystem)
return 0;
RefPtr<EntrySync> entry = fileSystem->root()->getDirectory(filePath, Dictionary(), ec);
if (ec == FileException::TYPE_MISMATCH_ERR)
return fileSystem->root()->getFile(filePath, Dictionary(), ec);
return entry.release();
}
COMPILE_ASSERT(static_cast<int>(WorkerContextFileSystem::TEMPORARY) == static_cast<int>(FileSystemTypeTemporary), enum_mismatch);
COMPILE_ASSERT(static_cast<int>(WorkerContextFileSystem::PERSISTENT) == static_cast<int>(FileSystemTypePersistent), enum_mismatch);
}
#endif // ENABLE(FILE_SYSTEM)