PassRefPtr<DOMFileSystemSync> WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync(WorkerGlobalScope* worker, int type, long long size, ExceptionState& exceptionState)
{
ExecutionContext* secureContext = worker->executionContext();
if (!secureContext->securityOrigin()->canAccessFileSystem()) {
exceptionState.throwSecurityError(FileError::securityErrorMessage);
return 0;
}
FileSystemType fileSystemType = static_cast<FileSystemType>(type);
if (!DOMFileSystemBase::isValidType(fileSystemType)) {
exceptionState.throwDOMException(InvalidModificationError, "the type must be TEMPORARY or PERSISTENT.");
return 0;
}
FileSystemSyncCallbackHelper helper;
OwnPtr<AsyncFileSystemCallbacks> callbacks = FileSystemCallbacks::create(helper.successCallback(), helper.errorCallback(), worker, fileSystemType);
callbacks->setShouldBlockUntilCompletion(true);
LocalFileSystem::from(worker)->requestFileSystem(worker, fileSystemType, size, callbacks.release());
return helper.getResult(exceptionState);
}
PassRefPtr<EntrySync> WorkerContext::webkitResolveLocalFileSystemSyncURL(const String& url, ExceptionCode& ec)
{
ec = 0;
KURL completedURL = completeURL(url);
if (!AsyncFileSystem::isAvailable() || !securityOrigin()->canAccessFileSystem() || !securityOrigin()->canRequest(completedURL)) {
ec = FileException::SECURITY_ERR;
return 0;
}
AsyncFileSystem::Type type;
String filePath;
if (!completedURL.isValid() || !DOMFileSystemBase::crackFileSystemURL(completedURL, type, filePath)) {
ec = FileException::ENCODING_ERR;
return 0;
}
FileSystemSyncCallbackHelper readFileSystemHelper;
LocalFileSystem::localFileSystem().readFileSystem(this, type, FileSystemCallbacks::create(readFileSystemHelper.successCallback(), readFileSystemHelper.errorCallback(), this), true);
RefPtr<DOMFileSystemSync> fileSystem = readFileSystemHelper.getResult(ec);
if (!fileSystem)
return 0;
RefPtr<EntrySync> entry = fileSystem->root()->getDirectory(filePath, 0, ec);
if (ec == FileException::TYPE_MISMATCH_ERR)
return fileSystem->root()->getFile(filePath, 0, ec);
return entry.release();
}
PassRefPtr<DOMFileSystemSync> WorkerContext::webkitRequestFileSystemSync(int type, long long size, ExceptionCode& ec)
{
ec = 0;
if (!AsyncFileSystem::isAvailable() || !securityOrigin()->canAccessFileSystem()) {
ec = FileException::SECURITY_ERR;
return 0;
}
AsyncFileSystem::Type fileSystemType = static_cast<AsyncFileSystem::Type>(type);
if (fileSystemType != AsyncFileSystem::Temporary && fileSystemType != AsyncFileSystem::Persistent && fileSystemType != AsyncFileSystem::External) {
ec = FileException::INVALID_MODIFICATION_ERR;
return 0;
}
FileSystemSyncCallbackHelper helper;
LocalFileSystem::localFileSystem().requestFileSystem(this, fileSystemType, size, FileSystemCallbacks::create(helper.successCallback(), helper.errorCallback(), this), true);
return helper.getResult(ec);
}
PassRefPtr<DOMFileSystemSync> WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync(WorkerGlobalScope* 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);
}