}, service_mt);
end
-function service:add_subscription(node, actor, jid)
+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";
+
+ local node_capabilities = node_obj and node_obj.capabilities;
+ local service_capabilities = self.config.capabilities;
+
+ -- Check if node allows/forbids it
+ if node_capabilities then
+ local caps = node_capabilities[node_aff or service_aff];
+ if caps then
+ local can = caps[action];
+ if can ~= nil then
+ return can;
+ end
+ end
+ end
+ -- Check service-wide capabilities instead
+ local caps = service_capabilities[node_aff or service_aff];
+ if caps then
+ local can = caps[action];
+ if can ~= nil then
+ return can;
+ end
+ end
+
+ return false;
+end
+
+function service:set_affiliation(node, actor, jid, affiliation)
+ -- Access checking
+ if not self:may(node, actor, "set_affiliation") then
+ return false, "forbidden";
+ end
+ --
local node_obj = self.nodes[node];
if not node_obj then
return false, "item-not-found";
end
- node_obj.subscribers[jid] = true;
+ node_obj.affiliations[jid] = affiliation;
+ local _, jid_sub = self:get_subscription(node, nil, jid);
+ if not jid_sub and not self:may(node, jid, "be_unsubscribed") then
+ local ok, err = self:add_subscription(node, nil, jid);
+ if not ok then
+ return ok, err;
+ end
+ elseif jid_sub and not self:may(node, jid, "be_subscribed") then
+ local ok, err = self:add_subscription(node, nil, jid);
+ if not ok then
+ return ok, err;
+ end
+ end
+ return true;
+end
+
+function service:add_subscription(node, actor, jid, options)
+ -- Access checking
+ local cap;
+ if jid == actor or self.config.jids_equal(actor, jid) then
+ cap = "subscribe";
+ else
+ cap = "subscribe_other";
+ end
+ if not self:may(node, actor, cap) then
+ return false, "forbidden";
+ end
+ if not self:may(node, jid, "be_subscribed") then
+ return false, "forbidden";
+ end
+ --
+ local node_obj = self.nodes[node];
+ if not node_obj then
+ if not self.config.autocreate_on_subscribe then
+ return false, "item-not-found";
+ else
+ local ok, err = self:create(node, actor);
+ if not ok then
+ return ok, err;
+ end
+ end
+ end
+ node_obj.subscribers[jid] = options or true;
return true;
end
function service:remove_subscription(node, actor, jid)
+ -- Access checking
+ local cap;
+ if jid == actor or self.config.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 node_obj = self.nodes[node];
if not node_obj then
return false, "item-not-found";
end
function service:get_subscription(node, actor, jid)
+ -- Access checking
+ local cap;
+ if jid == actor or self.config.jids_equal(actor, jid) then
+ cap = "get_subscription";
+ else
+ cap = "get_subscription_other";
+ end
+ if not self:may(node, actor, cap) then
+ return false, "forbidden";
+ end
+ --
local node_obj = self.nodes[node];
if node_obj then
- return node_obj.subscribers[jid];
+ return true, node_obj.subscribers[jid];
end
end
function service:create(node, actor)
- if not self.nodes[node] then
- self.nodes[node] = { name = node, subscribers = {}, config = {}, data = {} };
- return true;
+ -- Access checking
+ if not self:may(node, actor, "create") then
+ return false, "forbidden";
end
- return false, "conflict";
+ --
+ if self.nodes[node] then
+ return false, "conflict";
+ end
+
+ self.nodes[node] = {
+ name = node;
+ subscribers = {};
+ config = {};
+ data = {};
+ affiliations = {};
+ };
+ local ok, err = self:set_affiliation(node, true, actor, "owner");
+ if not ok then
+ self.nodes[node] = nil;
+ end
+ return ok, err;
end
function service:publish(node, actor, id, item)
+ -- Access checking
+ if not self:may(node, actor, "publish") then
+ return false, "forbidden";
+ end
+ --
local node_obj = self.nodes[node];
if not node_obj then
- node_obj = { name = node, subscribers = {}, config = {}, data = {} };
- self.nodes[node] = node_obj;
+ if not self.config.autocreate_on_publish then
+ return false, "item-not-found";
+ end
+ local ok, err = self:create(node, actor);
+ if not ok then
+ return ok, err;
+ end
+ node_obj = self.nodes[node];
end
node_obj.data[id] = item;
- self.cb.broadcaster(node, node_obj.subscribers, item);
+ self.config.broadcaster(node, node_obj.subscribers, item);
return true;
end
function service:retract(node, actor, id, retract)
+ -- Access checking
+ if not self:may(node, actor, "retract") then
+ return false, "forbidden";
+ end
+ --
local node_obj = self.nodes[node];
if (not node_obj) or (not node_obj.data[id]) then
return false, "item-not-found";
end
node_obj.data[id] = nil;
if retract then
- self.cb.broadcaster(node, node_obj.subscribers, retract);
+ self.config.broadcaster(node, node_obj.subscribers, retract);
end
return true
end
-function service:get(node, actor, id)
+function service:get_items(node, actor, id)
+ -- Access checking
+ if not self:may(node, actor, "get_items") then
+ return false, "forbidden";
+ end
+ --
local node_obj = self.nodes[node];
- if node_obj then
- if id then
- return { node_obj.data[id] };
- else
- return node_obj.data;
- end
+ if not node_obj then
+ return false, "item-not-found";
+ end
+ if id then -- Restrict results to a single specific item
+ return true, { node_obj.data[id] };
+ else
+ return true, node_obj.data;
end
end
function service:get_nodes(actor)
+ -- Access checking
+ if not self:may(node, actor, "get_nodes") then
+ return false, "forbidden";
+ end
+ --
return true, self.nodes;
end
projects / prosody.git / commitdiff