DownloadManager.cpp [plain text]
#include "config.h"
#include "DownloadManager.h"
#include "Download.h"
#include "NetworkLoad.h"
#include "NetworkSession.h"
#include "PendingDownload.h"
#include "SessionTracker.h"
#include <WebCore/NotImplemented.h>
#include <WebCore/SessionID.h>
#include <wtf/StdLibExtras.h>
using namespace WebCore;
namespace WebKit {
DownloadManager::DownloadManager(Client& client)
: m_client(client)
{
}
void DownloadManager::startDownload(SessionID sessionID, DownloadID downloadID, const ResourceRequest& request, const String& suggestedName)
{
#if USE(NETWORK_SESSION)
auto* networkSession = SessionTracker::networkSession(sessionID);
if (!networkSession)
return;
NetworkLoadParameters parameters;
parameters.sessionID = sessionID;
parameters.request = request;
parameters.clientCredentialPolicy = AskClientForAllCredentials;
m_pendingDownloads.add(downloadID, std::make_unique<PendingDownload>(WTFMove(parameters), downloadID, *networkSession));
#else
auto download = std::make_unique<Download>(*this, downloadID, request, suggestedName);
download->start();
ASSERT(!m_downloads.contains(downloadID));
m_downloads.add(downloadID, WTFMove(download));
#endif
}
#if USE(NETWORK_SESSION)
std::pair<RefPtr<NetworkDataTask>, std::unique_ptr<PendingDownload>> DownloadManager::dataTaskBecameDownloadTask(DownloadID downloadID, std::unique_ptr<Download>&& download)
{
auto pendingDownload = m_pendingDownloads.take(downloadID);
auto downloadAfterLocationDecided = m_downloadsAfterDestinationDecided.take(downloadID);
ASSERT(!!pendingDownload != !!downloadAfterLocationDecided);
m_downloads.add(downloadID, WTFMove(download));
return std::make_pair(WTFMove(downloadAfterLocationDecided), WTFMove(pendingDownload));
}
void DownloadManager::continueCanAuthenticateAgainstProtectionSpace(DownloadID downloadID, bool canAuthenticate)
{
auto* pendingDownload = m_pendingDownloads.get(downloadID);
ASSERT(pendingDownload);
if (pendingDownload)
pendingDownload->continueCanAuthenticateAgainstProtectionSpace(canAuthenticate);
}
void DownloadManager::continueWillSendRequest(DownloadID downloadID, WebCore::ResourceRequest&& request)
{
auto* pendingDownload = m_pendingDownloads.get(downloadID);
ASSERT(pendingDownload);
if (pendingDownload)
pendingDownload->continueWillSendRequest(WTFMove(request));
}
void DownloadManager::willDecidePendingDownloadDestination(NetworkDataTask& networkDataTask, ResponseCompletionHandler&& completionHandler)
{
auto downloadID = networkDataTask.pendingDownloadID();
auto pendingDownload = m_pendingDownloads.take(downloadID);
ASSERT(networkDataTask.pendingDownload() == pendingDownload.get());
auto addResult = m_downloadsWaitingForDestination.set(downloadID, std::make_pair<RefPtr<NetworkDataTask>, ResponseCompletionHandler>(&networkDataTask, WTFMove(completionHandler)));
ASSERT_UNUSED(addResult, addResult.isNewEntry);
}
void DownloadManager::continueDecidePendingDownloadDestination(DownloadID downloadID, String destination, const SandboxExtension::Handle& sandboxExtensionHandle, bool allowOverwrite)
{
auto pair = m_downloadsWaitingForDestination.take(downloadID);
auto networkDataTask = WTFMove(pair.first);
auto completionHandler = WTFMove(pair.second);
if (!networkDataTask || !completionHandler)
return;
networkDataTask->setPendingDownloadLocation(destination, sandboxExtensionHandle);
if (allowOverwrite && fileExists(destination))
deleteFile(destination);
completionHandler(PolicyDownload);
ASSERT(!m_downloadsAfterDestinationDecided.contains(downloadID));
m_downloadsAfterDestinationDecided.set(downloadID, networkDataTask);
}
#else
void DownloadManager::convertHandleToDownload(DownloadID downloadID, ResourceHandle* handle, const ResourceRequest& request, const ResourceResponse& response)
{
auto download = std::make_unique<Download>(*this, downloadID, request);
download->startWithHandle(handle, response);
ASSERT(!m_downloads.contains(downloadID));
m_downloads.add(downloadID, WTFMove(download));
}
#endif
void DownloadManager::resumeDownload(SessionID, DownloadID downloadID, const IPC::DataReference& resumeData, const String& path, const SandboxExtension::Handle& sandboxExtensionHandle)
{
#if USE(NETWORK_SESSION)
notImplemented();
#else
auto download = std::make_unique<Download>(*this, downloadID, ResourceRequest());
download->resume(resumeData, path, sandboxExtensionHandle);
ASSERT(!m_downloads.contains(downloadID));
m_downloads.add(downloadID, WTFMove(download));
#endif
}
void DownloadManager::cancelDownload(DownloadID downloadID)
{
if (Download* download = m_downloads.get(downloadID)) {
download->cancel();
return;
}
#if USE(NETWORK_SESSION)
if (auto completionHandler = m_downloadsWaitingForDestination.take(downloadID).second) {
m_client.pendingDownloadCanceled(downloadID);
completionHandler(PolicyIgnore);
return;
}
#endif
}
void DownloadManager::downloadFinished(Download* download)
{
ASSERT(m_downloads.contains(download->downloadID()));
m_downloads.remove(download->downloadID());
}
void DownloadManager::didCreateDownload()
{
m_client.didCreateDownload();
}
void DownloadManager::didDestroyDownload()
{
m_client.didDestroyDownload();
}
IPC::Connection* DownloadManager::downloadProxyConnection()
{
return m_client.downloadProxyConnection();
}
AuthenticationManager& DownloadManager::downloadsAuthenticationManager()
{
return m_client.downloadsAuthenticationManager();
}
}