void ApplicationCacheGroup::didFinishLoadingManifest()
{
bool isUpgradeAttempt = m_newestCache;
if (!isUpgradeAttempt && !m_manifestResource) {
// The server returned 304 Not Modified even though we didn't send a conditional request.
m_frame->document()->addConsoleMessage(OtherMessageSource, ErrorMessageLevel, "Application Cache manifest could not be fetched because of an unexpected 304 Not Modified server response.");
cacheUpdateFailed();
return;
}
m_manifestHandle = 0;
// Check if the manifest was not modified.
if (isUpgradeAttempt) {
ApplicationCacheResource* newestManifest = m_newestCache->manifestResource();
ASSERT(newestManifest);
if (!m_manifestResource || // The resource will be null if HTTP response was 304 Not Modified.
(newestManifest->data()->size() == m_manifestResource->data()->size() && !memcmp(newestManifest->data()->data(), m_manifestResource->data()->data(), newestManifest->data()->size()))) {
m_completionType = NoUpdate;
m_manifestResource = 0;
deliverDelayedMainResources();
return;
}
}
Manifest manifest;
if (!parseManifest(m_manifestURL, m_manifestResource->data()->data(), m_manifestResource->data()->size(), manifest)) {
// At the time of this writing, lack of "CACHE MANIFEST" signature is the only reason for parseManifest to fail.
m_frame->document()->addConsoleMessage(OtherMessageSource, ErrorMessageLevel, "Application Cache manifest could not be parsed. Does it start with CACHE MANIFEST?");
cacheUpdateFailed();
return;
}
ASSERT(!m_cacheBeingUpdated);
m_cacheBeingUpdated = ApplicationCache::create();
m_cacheBeingUpdated->setGroup(this);
HashSet<DocumentLoader*>::const_iterator masterEnd = m_pendingMasterResourceLoaders.end();
for (HashSet<DocumentLoader*>::const_iterator iter = m_pendingMasterResourceLoaders.begin(); iter != masterEnd; ++iter)
associateDocumentLoaderWithCache(*iter, m_cacheBeingUpdated.get());
// We have the manifest, now download the resources.
setUpdateStatus(Downloading);
postListenerTask(ApplicationCacheHost::DOWNLOADING_EVENT, m_associatedDocumentLoaders);
ASSERT(m_pendingEntries.isEmpty());
if (isUpgradeAttempt) {
ApplicationCache::ResourceMap::const_iterator end = m_newestCache->end();
for (ApplicationCache::ResourceMap::const_iterator it = m_newestCache->begin(); it != end; ++it) {
unsigned type = it->value->type();
if (type & ApplicationCacheResource::Master)
addEntry(it->key, type);
}
}
HashSet<String>::const_iterator end = manifest.explicitURLs.end();
for (HashSet<String>::const_iterator it = manifest.explicitURLs.begin(); it != end; ++it)
addEntry(*it, ApplicationCacheResource::Explicit);
size_t fallbackCount = manifest.fallbackURLs.size();
for (size_t i = 0; i < fallbackCount; ++i)
addEntry(manifest.fallbackURLs[i].second, ApplicationCacheResource::Fallback);
m_cacheBeingUpdated->setOnlineWhitelist(manifest.onlineWhitelistedURLs);
m_cacheBeingUpdated->setFallbackURLs(manifest.fallbackURLs);
m_cacheBeingUpdated->setAllowsAllNetworkRequests(manifest.allowAllNetworkRequests);
m_progressTotal = m_pendingEntries.size();
m_progressDone = 0;
recalculateAvailableSpaceInQuota();
startLoadingEntry();
}
void ApplicationCacheGroup::didFinishLoadingManifest()
{
bool isUpgradeAttempt = m_newestCache;
if (!isUpgradeAttempt && !m_manifestResource) {
// The server returned 304 Not Modified even though we didn't send a conditional request.
m_frame->document()->addConsoleMessage(MessageSource::AppCache, MessageLevel::Error, ASCIILiteral("Application Cache manifest could not be fetched because of an unexpected 304 Not Modified server response."));
cacheUpdateFailed();
return;
}
m_manifestHandle = nullptr;
// Check if the manifest was not modified.
if (isUpgradeAttempt) {
ApplicationCacheResource* newestManifest = m_newestCache->manifestResource();
ASSERT(newestManifest);
if (!m_manifestResource || // The resource will be null if HTTP response was 304 Not Modified.
(newestManifest->data().size() == m_manifestResource->data().size() && !memcmp(newestManifest->data().data(), m_manifestResource->data().data(), newestManifest->data().size()))) {
m_completionType = NoUpdate;
m_manifestResource = nullptr;
deliverDelayedMainResources();
return;
}
}
Manifest manifest;
if (!parseManifest(m_manifestURL, m_manifestResource->data().data(), m_manifestResource->data().size(), manifest)) {
// At the time of this writing, lack of "CACHE MANIFEST" signature is the only reason for parseManifest to fail.
m_frame->document()->addConsoleMessage(MessageSource::AppCache, MessageLevel::Error, ASCIILiteral("Application Cache manifest could not be parsed. Does it start with CACHE MANIFEST?"));
cacheUpdateFailed();
return;
}
ASSERT(!m_cacheBeingUpdated);
m_cacheBeingUpdated = ApplicationCache::create();
m_cacheBeingUpdated->setGroup(this);
for (auto& loader : m_pendingMasterResourceLoaders)
associateDocumentLoaderWithCache(loader, m_cacheBeingUpdated.get());
// We have the manifest, now download the resources.
setUpdateStatus(Downloading);
postListenerTask(ApplicationCacheHost::DOWNLOADING_EVENT, m_associatedDocumentLoaders);
ASSERT(m_pendingEntries.isEmpty());
if (isUpgradeAttempt) {
for (const auto& urlAndResource : m_newestCache->resources()) {
unsigned type = urlAndResource.value->type();
if (type & ApplicationCacheResource::Master)
addEntry(urlAndResource.key, type);
}
}
for (const auto& explicitURL : manifest.explicitURLs)
addEntry(explicitURL, ApplicationCacheResource::Explicit);
for (auto& fallbackURL : manifest.fallbackURLs)
addEntry(fallbackURL.second, ApplicationCacheResource::Fallback);
m_cacheBeingUpdated->setOnlineWhitelist(manifest.onlineWhitelistedURLs);
m_cacheBeingUpdated->setFallbackURLs(manifest.fallbackURLs);
m_cacheBeingUpdated->setAllowsAllNetworkRequests(manifest.allowAllNetworkRequests);
m_progressTotal = m_pendingEntries.size();
m_progressDone = 0;
recalculateAvailableSpaceInQuota();
startLoadingEntry();
}
