void CookieManager::cookieLimitCleanUp(Timer<CookieManager>* timer)
{
ASSERT_UNUSED(timer, timer == &m_limitTimer);
CookieLimitLog("CookieManager - Starting cookie clean up");
size_t numberOfCookiesOverLimit = (m_count > s_globalMaxCookieCount) ? m_count - s_globalMaxCookieCount : 0;
size_t amountToDelete = s_cookiesToDeleteWhenLimitReached + numberOfCookiesOverLimit;
CookieLimitLog("CookieManager - Excess: %d Amount to Delete: %d", numberOfCookiesOverLimit, amountToDelete);
// Call the database to delete 'amountToDelete' of cookies
Vector<ParsedCookie*> cookiesToDelete;
cookiesToDelete.reserveInitialCapacity(amountToDelete);
CookieLimitLog("CookieManager - Calling database to clean up");
m_cookieBackingStore->getCookiesFromDatabase(cookiesToDelete, amountToDelete);
// Cookies are ordered in ASC order by lastAccessed
for (size_t i = 0; i < amountToDelete; ++i) {
// Expire them and call checkandtreat to delete them from memory and database
ParsedCookie* newCookie = cookiesToDelete[i];
CookieLimitLog("CookieManager - Expire cookie: %s and delete", newCookie->toString().utf8().data());
newCookie->forceExpire();
checkAndTreatCookie(newCookie, RemoveFromBackingStore);
}
CookieLimitLog("CookieManager - Cookie clean up complete.");
}
void CookieManager::addCookieToMap(CookieMap* targetMap, ParsedCookie* candidateCookie, BackingStoreRemovalPolicy postToBackingStore)
{
ParsedCookie* oldestCookie = 0;
// Check if we have not reached the per cookie domain limit.
// If that is not true, we check if the global limit has been reached if backingstore mode is on
// Two points:
// 1) We only do a global check if backingstore mode is on because the global cookie limit only
// counts session cookies that are saved in the database. If the user goes over the limit
// when they are in private mode, we know that the total cookie limit will be under the limit
// once the user goes back to normal mode (memory deleted and reloaded from the database)
// 2) We use else if for this statement because if we remove a cookie in the 1st statement
// then it means the global count will never exceed the limit
CookieLimitLog("CookieManager - local count: %d global count: %d", targetMap->count(), m_count);
if (targetMap->count() >= s_maxCookieCountPerHost) {
CookieLog("CookieManager - deleting oldest cookie from this map due to domain count.\n");
oldestCookie = targetMap->removeOldestCookie();
} else if (m_count >= s_globalMaxCookieCount && (postToBackingStore != DoNotRemoveFromBackingStore)) {
CookieLimitLog("CookieManager - Global limit reached, initiate cookie limit clean up.");
initiateCookieLimitCleanUp();
}
CookieLog("CookieManager - adding new cookie - %s.\n", candidateCookie->toString().utf8().data());
targetMap->addCookie(candidateCookie);
// Only add non session cookie to the backing store.
if (postToBackingStore == RemoveFromBackingStore) {
if (oldestCookie && !oldestCookie->isSession()) {
CookieLog("CookieManager - oldestCookie exists, deleting it from backingstore and destructing.\n");
m_cookieBackingStore->remove(oldestCookie);
}
if (!candidateCookie->isSession())
m_cookieBackingStore->insert(candidateCookie);
}
if (oldestCookie)
delete oldestCookie;
}
void CookieManager::addCookieToMap(CookieMap* targetMap, ParsedCookie* candidateCookie, BackingStoreRemovalPolicy postToBackingStore, CookieFilter filter)
{
ParsedCookie* replacedCookie = 0;
if (!targetMap->addOrReplaceCookie(candidateCookie, &replacedCookie, filter)) {
CookieLog("CookieManager - rejecting new cookie - %s.\n", candidateCookie->toString().utf8().data());
delete candidateCookie;
return;
}
if (replacedCookie) {
CookieLog("CookieManager - updating new cookie - %s.\n", candidateCookie->toString().utf8().data());
// A cookie was replaced in targetMap.
// If old cookie is non-session and new one is, we have to delete it from backingstore
// If new cookie is non-session and old one is, we have to add it to backingstore
// If both sessions are non-session, then we update it in the backingstore
bool newIsSession = candidateCookie->isSession();
bool oldIsSession = replacedCookie->isSession();
if (postToBackingStore == RemoveFromBackingStore) {
if (!newIsSession && !oldIsSession)
m_cookieBackingStore->update(candidateCookie);
else if (newIsSession && !oldIsSession) {
// Must manually decrease the counter because it was not counted when
// the cookie was removed in cookieVector.
removedCookie();
m_cookieBackingStore->remove(replacedCookie);
} else if (!newIsSession && oldIsSession) {
// Must manually increase the counter because it was not counted when
// the cookie was added in cookieVector.
addedCookie();
m_cookieBackingStore->insert(candidateCookie);
}
}
delete replacedCookie;
return;
}
CookieLog("CookieManager - adding new cookie - %s.\n", candidateCookie->toString().utf8().data());
ParsedCookie* oldestCookie = 0;
// Check if we have not reached the per cookie domain limit.
// If that is not true, we check if the global limit has been reached if backingstore mode is on
// Two points:
// 1) We only do a global check if backingstore mode is on because the global cookie limit only
// counts session cookies that are saved in the database. If the user goes over the limit
// when they are in private mode, we know that the total cookie limit will be under the limit
// once the user goes back to normal mode (memory deleted and reloaded from the database)
// 2) We use else if for this statement because if we remove a cookie in the 1st statement
// then it means the global count will never exceed the limit
CookieLimitLog("CookieManager - local count: %d global count: %d", targetMap->count(), m_count);
if (targetMap->count() > s_maxCookieCountPerHost) {
CookieLog("CookieManager - deleting oldest cookie from this map due to domain count.\n");
oldestCookie = targetMap->removeOldestCookie();
} else if (m_count > s_globalMaxCookieCount && (postToBackingStore != DoNotRemoveFromBackingStore)) {
CookieLimitLog("CookieManager - Global limit reached, initiate cookie limit clean up.");
initiateCookieLimitCleanUp();
}
// Only add non session cookie to the backing store.
if (postToBackingStore == RemoveFromBackingStore) {
if (oldestCookie && !oldestCookie->isSession()) {
CookieLog("CookieManager - oldestCookie exists, deleting it from backingstore and destructing.\n");
m_cookieBackingStore->remove(oldestCookie);
}
if (!candidateCookie->isSession())
m_cookieBackingStore->insert(candidateCookie);
}
if (oldestCookie)
delete oldestCookie;
}
