DownloadManager.cpp [plain text]
#include "config.h"
#include "DownloadManager.h"
#include "Download.h"
#include "NetworkBlobRegistry.h"
#include "NetworkLoad.h"
#include "NetworkSession.h"
#include "PendingDownload.h"
#include "SessionTracker.h"
#include <WebCore/NotImplemented.h>
#include <pal/SessionID.h>
#include <wtf/StdLibExtras.h>
using namespace WebCore;
namespace WebKit {
DownloadManager::DownloadManager(Client& client)
: m_client(client)
{
}
void DownloadManager::startDownload(NetworkConnectionToWebProcess* connection, PAL::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 = ClientCredentialPolicy::MayAskClientForCredentials;
if (request.url().protocolIsBlob() && connection)
parameters.blobFileReferences = NetworkBlobRegistry::singleton().filesInBlob(*connection, request.url());
parameters.storedCredentialsPolicy = sessionID.isEphemeral() ? StoredCredentialsPolicy::DoNotUse : StoredCredentialsPolicy::Use;
m_pendingDownloads.add(downloadID, std::make_unique<PendingDownload>(WTFMove(parameters), downloadID, *networkSession, suggestedName));
#else
auto download = std::make_unique<Download>(*this, downloadID, request, suggestedName);
if (request.url().protocolIsBlob() && connection) {
auto blobFileReferences = NetworkBlobRegistry::singleton().filesInBlob(*connection, request.url());
for (auto& fileReference : blobFileReferences)
fileReference->prepareForFileAccess();
download->setBlobFileReferences(WTFMove(blobFileReferences));
}
download->start();
ASSERT(!m_downloads.contains(downloadID));
m_downloads.add(downloadID, WTFMove(download));
#endif
}
#if USE(NETWORK_SESSION)
void DownloadManager::dataTaskBecameDownloadTask(DownloadID downloadID, std::unique_ptr<Download>&& download)
{
ASSERT(m_pendingDownloads.contains(downloadID));
m_pendingDownloads.remove(downloadID);
ASSERT(!m_downloads.contains(downloadID));
m_downloadsAfterDestinationDecided.remove(downloadID);
m_downloads.add(downloadID, WTFMove(download));
}
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 addResult = m_downloadsWaitingForDestination.set(downloadID, std::make_pair<RefPtr<NetworkDataTask>, ResponseCompletionHandler>(&networkDataTask, WTFMove(completionHandler)));
ASSERT_UNUSED(addResult, addResult.isNewEntry);
}
#endif // USE(NETWORK_SESSION)
void DownloadManager::convertNetworkLoadToDownload(DownloadID downloadID, std::unique_ptr<NetworkLoad>&& networkLoad, Vector<RefPtr<WebCore::BlobDataFileReference>>&& blobFileReferences, const ResourceRequest& request, const ResourceResponse& response)
{
#if USE(NETWORK_SESSION)
ASSERT(!m_pendingDownloads.contains(downloadID));
m_pendingDownloads.add(downloadID, std::make_unique<PendingDownload>(WTFMove(networkLoad), downloadID, request, response));
#else
auto download = std::make_unique<Download>(*this, downloadID, request);
download->setBlobFileReferences(WTFMove(blobFileReferences));
auto* handle = networkLoad->handle();
ASSERT(handle);
download->startWithHandle(handle, response);
ASSERT(!m_downloads.contains(downloadID));
m_downloads.add(downloadID, WTFMove(download));
handle->continueDidReceiveResponse();
#endif
}
void DownloadManager::continueDecidePendingDownloadDestination(DownloadID downloadID, String destination, SandboxExtension::Handle&& sandboxExtensionHandle, bool allowOverwrite)
{
#if USE(NETWORK_SESSION)
if (m_downloadsWaitingForDestination.contains(downloadID)) {
auto pair = m_downloadsWaitingForDestination.take(downloadID);
auto networkDataTask = WTFMove(pair.first);
auto completionHandler = WTFMove(pair.second);
ASSERT(networkDataTask);
ASSERT(completionHandler);
ASSERT(m_pendingDownloads.contains(downloadID));
networkDataTask->setPendingDownloadLocation(destination, WTFMove(sandboxExtensionHandle), allowOverwrite);
completionHandler(PolicyAction::Download);
if (networkDataTask->state() == NetworkDataTask::State::Canceling || networkDataTask->state() == NetworkDataTask::State::Completed)
return;
if (m_downloads.contains(downloadID)) {
return;
}
ASSERT(!m_downloadsAfterDestinationDecided.contains(downloadID));
m_downloadsAfterDestinationDecided.set(downloadID, networkDataTask);
}
#else
if (auto* waitingDownload = download(downloadID))
waitingDownload->didDecideDownloadDestination(destination, WTFMove(sandboxExtensionHandle), allowOverwrite);
#endif
}
void DownloadManager::resumeDownload(PAL::SessionID sessionID, DownloadID downloadID, const IPC::DataReference& resumeData, const String& path, SandboxExtension::Handle&& sandboxExtensionHandle)
{
#if USE(NETWORK_SESSION) && !PLATFORM(COCOA)
notImplemented();
#else
#if USE(NETWORK_SESSION)
auto download = std::make_unique<Download>(*this, downloadID, nullptr, sessionID);
#else
auto download = std::make_unique<Download>(*this, downloadID, ResourceRequest());
#endif
download->resume(resumeData, path, WTFMove(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)) {
#if USE(NETWORK_SESSION)
ASSERT(!m_downloadsWaitingForDestination.contains(downloadID));
ASSERT(!m_pendingDownloads.contains(downloadID));
#endif
download->cancel();
return;
}
#if USE(NETWORK_SESSION)
auto pendingDownload = m_pendingDownloads.take(downloadID);
if (m_downloadsWaitingForDestination.contains(downloadID)) {
auto pair = m_downloadsWaitingForDestination.take(downloadID);
auto networkDataTask = WTFMove(pair.first);
auto completionHandler = WTFMove(pair.second);
ASSERT(networkDataTask);
ASSERT(completionHandler);
networkDataTask->cancel();
completionHandler(PolicyAction::Ignore);
m_client.pendingDownloadCanceled(downloadID);
return;
}
if (pendingDownload)
pendingDownload->cancel();
#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();
}
}