Пример #1
0
void CookieManager::update(CookieMap* targetMap, ParsedCookie* newCookie, BackingStoreRemovalPolicy postToBackingStore)
{
    // 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

    CookieLog("CookieManager - updating new cookie - %s.\n", newCookie->toString().utf8().data());

    ParsedCookie* oldCookie = targetMap->updateCookie(newCookie);

    ASSERT(oldCookie);

    if (postToBackingStore == RemoveFromBackingStore) {
        bool newIsSession = newCookie->isSession();
        bool oldIsSession = oldCookie->isSession();
        if (!newIsSession && !oldIsSession)
            m_cookieBackingStore->update(newCookie);
        else if (newIsSession && !oldIsSession) {
            // Must manually decrease the counter because it was not counted when
            // the cookie was removed in cookieMap.
            removedCookie();
            m_cookieBackingStore->remove(oldCookie);
        } else if (!newIsSession && oldIsSession) {
            // Must manually increase the counter because it was not counted when
            // the cookie was added in cookieMap.
            addedCookie();
            m_cookieBackingStore->insert(newCookie);
        }
    }
    delete oldCookie;
}
Пример #2
0
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;
}