function service:may(node, actor, action)
if actor == true then return true; end
-
+
local node_obj = self.nodes[node];
local node_aff = node_obj and node_obj.affiliations[actor];
local service_aff = self.affiliations[actor]
or self.config.get_affiliation(actor, node, action)
or "none";
-
+
-- Check if node allows/forbids it
local node_capabilities = node_obj and node_obj.capabilities;
if node_capabilities then
end
end
end
-
+
-- Check service-wide capabilities instead
local service_capabilities = self.config.capabilities;
local caps = service_capabilities[node_aff or service_aff];
return can;
end
end
-
+
return false;
end
end
function service:remove_all_subscriptions(actor, jid)
- -- Access checking
- local cap;
- if actor == true or jid == actor or self:jids_equal(actor, jid) then
- cap = "unsubscribe";
- else
- cap = "unsubscribe_other";
- end
- if not self:may(node, actor, cap) then
- return false, "forbidden";
- end
- if not self:may(node, jid, "be_unsubscribed") then
- return false, "forbidden";
- end
- --
local normal_jid = self.config.normalize_jid(jid);
local subs = self.subscriptions[normal_jid]
subs = subs and subs[jid];
if self.nodes[node] then
return false, "conflict";
end
-
+
self.nodes[node] = {
name = node;
subscribers = {};
return ok, err;
end
+function service:delete(node, actor)
+ -- Access checking
+ if not self:may(node, actor, "delete") then
+ return false, "forbidden";
+ end
+ --
+ local node_obj = self.nodes[node];
+ if not node_obj then
+ return false, "item-not-found";
+ end
+ self.nodes[node] = nil;
+ self.config.broadcaster("delete", node, node_obj.subscribers);
+ return true;
+end
+
function service:publish(node, actor, id, item)
-- Access checking
if not self:may(node, actor, "publish") then
node_obj = self.nodes[node];
end
node_obj.data[id] = item;
- self.config.broadcaster(node, node_obj.subscribers, item);
+ self.events.fire_event("item-published", { node = node, actor = actor, id = id, item = item });
+ self.config.broadcaster("items", node, node_obj.subscribers, item);
return true;
end
end
node_obj.data[id] = nil;
if retract then
- self.config.broadcaster(node, node_obj.subscribers, retract);
+ self.config.broadcaster("items", node, node_obj.subscribers, retract);
+ end
+ return true
+end
+
+function service:purge(node, actor, notify)
+ -- Access checking
+ if not self:may(node, actor, "retract") then
+ return false, "forbidden";
+ end
+ --
+ local node_obj = self.nodes[node];
+ if not node_obj then
+ return false, "item-not-found";
+ end
+ node_obj.data = {}; -- Purge
+ if notify then
+ self.config.broadcaster("purge", node, node_obj.subscribers);
end
return true
end
if node then -- Return only subscriptions to this node
if subscribed_nodes[node] then
ret[#ret+1] = {
- node = subscribed_node;
+ node = node;
jid = jid;
subscription = node_obj.subscribers[jid];
};