80 lines
2.9 KiB
Lua
80 lines
2.9 KiB
Lua
local jid = require "util.jid";
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local runner, waiter = require "util.async".runner, require "util.async".waiter;
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local muc_domain_prefix
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= module:get_option_string("muc_mapper_domain_prefix", "conference");
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-- defaults to module.host, the module that uses the utility
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local muc_domain_base
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= module:get_option_string("muc_mapper_domain_base", module.host);
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-- The "real" MUC domain that we are proxying to
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local muc_domain = module:get_option_string(
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"muc_mapper_domain", muc_domain_prefix.."."..muc_domain_base);
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local escaped_muc_domain_base = muc_domain_base:gsub("%p", "%%%1");
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local escaped_muc_domain_prefix = muc_domain_prefix:gsub("%p", "%%%1");
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-- The pattern used to extract the target subdomain
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-- (e.g. extract 'foo' from 'foo.muc.example.com')
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local target_subdomain_pattern
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= "^"..escaped_muc_domain_prefix..".([^%.]+)%."..escaped_muc_domain_base;
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--- Utility function to check and convert a room JID from
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-- virtual room1@muc.foo.example.com to real [foo]room1@muc.example.com
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-- @param room_jid the room jid to match and rewrite if needed
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-- @return returns room jid [foo]room1@muc.example.com when it has subdomain
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-- otherwise room1@muc.example.com(the room_jid value untouched)
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local function room_jid_match_rewrite(room_jid)
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local node, host, resource = jid.split(room_jid);
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local target_subdomain = host and host:match(target_subdomain_pattern);
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if not target_subdomain then
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module:log("debug", "No need to rewrite out 'to' %s", room_jid);
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return room_jid;
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end
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-- Ok, rewrite room_jid address to new format
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local new_node, new_host, new_resource
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= "["..target_subdomain.."]"..node, muc_domain, resource;
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room_jid = jid.join(new_node, new_host, new_resource);
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module:log("debug", "Rewrote to %s", room_jid);
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return room_jid
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end
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--- Finds and returns room by its jid
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-- @param room_jid the room jid to search in the muc component
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-- @return returns room if found or nil
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function get_room_from_jid(room_jid)
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local _, host = jid.split(room_jid);
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local component = hosts[host];
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if component then
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local muc = component.modules.muc
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if muc and rawget(muc,"rooms") then
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-- We're running 0.9.x or 0.10 (old MUC API)
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return muc.rooms[room_jid];
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elseif muc and rawget(muc,"get_room_from_jid") then
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-- We're running >0.10 (new MUC API)
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return muc.get_room_from_jid(room_jid);
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else
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return
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end
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end
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end
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function wrap_async_run(event,handler)
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local result;
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local async_func = runner(function (event)
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local wait, done = waiter();
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result=handler(event);
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done();
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return result;
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end)
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async_func:run(event)
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return result;
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end
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return {
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get_room_from_jid = get_room_from_jid;
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wrap_async_run = wrap_async_run;
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room_jid_match_rewrite= room_jid_match_rewrite;
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}; |