/*!
* Переопределение проверки прав доступа.
*
* Этот фид использует права доступа фида FEED_ACL.
*/
bool NodeInfoFeed::can(Channel *channel, int acl) const
{
if (!channel && acl != Acl::Read)
return false;
FeedPtr feed = m_header.channel()->feed(FEED_NAME_ACL, false, false);
if (feed)
return feed->can(channel, acl);
return Feed::can(channel, acl);
}
/*!
* Базовая функция совершения операции над фидом.
*
* \param channel Канал владелец фида.
* \param method Метод \sa Methods.
* \param name Имя фида с опциональным путём запроса.
* \param sender Канал создавший запрос.
* \param json Данные запроса.
*/
FeedReply FeedsCore::request(ServerChannel *channel, const QString &method, const QString &name, ServerChannel *sender, const QVariantMap &json)
{
if (!channel || !sender)
return Notice::InternalError;
const QPair<QString, QString> split = FeedNotice::split(name);
FeedPtr feed = channel->feed(split.first, false);
if (!feed)
return Notice::NotFound;
FeedReply reply(Notice::InternalError);
const int cmd = methodToInt(method);
FeedEvent *event = new FeedEvent(channel->id(), sender->id(), method);
event->request = json;
event->name = split.first;
event->path = split.second;
event->date = feed->head().date();
if (!feed->can(sender, Acl::Read))
return done(event, Notice::Forbidden);
if (cmd != Get && !feed->can(sender, Acl::Write))
return done(event, Notice::Forbidden);
switch (cmd) {
case Get:
reply = feed->get(event->path, json, sender);
break;
case Post:
reply = feed->post(event->path, json, sender);
break;
case Put:
reply = feed->put(event->path, json, sender);
break;
case Delete:
reply = feed->del(event->path, sender);
break;
}
if (cmd != Get && reply.status == Notice::OK) {
const int options = json.value(FEED_KEY_OPTIONS).toInt();
event->diffTo = event->date;
event->date = reply.date;
if (reply.date)
FeedStorage::save(feed, reply.date);
if (options & Feed::Broadcast) {
if (channel->type() == SimpleID::ServerId) {
const QList<QByteArray> channels = m_self->m_subscription.value(event->name);
QList<quint64> sockets;
foreach (const QByteArray &id, channels) {
ChatChannel user = Ch::channel(id, SimpleID::UserId, false);
if (user)
Sockets::merge(sockets, user->sockets());
}
event->broadcast = sockets;
}
else
event->broadcast = Sockets::channel(channel);
}
