mirror of
https://github.com/bjc/prosody.git
synced 2025-04-04 13:47:41 +03:00
116 lines
3.6 KiB
Lua
116 lines
3.6 KiB
Lua
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local log = require "util.logger".init("modulemanager")
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local loadfile, pcall = loadfile, pcall;
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local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv;
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local pairs, ipairs = pairs, ipairs;
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local t_insert = table.insert;
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local type = type;
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local tostring, print = tostring, print;
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local _G = _G;
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module "modulemanager"
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local handler_info = {};
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local handlers = {};
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local modulehelpers = setmetatable({}, { __index = _G });
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function modulehelpers.add_iq_handler(origin_type, xmlns, handler)
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if not (origin_type and handler and xmlns) then return false; end
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handlers[origin_type] = handlers[origin_type] or {};
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handlers[origin_type].iq = handlers[origin_type].iq or {};
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if not handlers[origin_type].iq[xmlns] then
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handlers[origin_type].iq[xmlns]= handler;
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handler_info[handler] = getfenv(2).module;
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log("debug", "mod_%s now handles tag 'iq' with query namespace '%s'", getfenv(2).module.name, xmlns);
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else
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log("warning", "mod_%s wants to handle tag 'iq' with query namespace '%s' but mod_%s already handles that", getfenv(2).module.name, xmlns, handler_info[handlers[origin_type].iq[xmlns]].module.name);
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end
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end
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function modulehelpers.add_handler(origin_type, tag, xmlns, handler)
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if not (origin_type and tag and xmlns and handler) then return false; end
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handlers[origin_type] = handlers[origin_type] or {};
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if not handlers[origin_type][tag] then
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handlers[origin_type][tag]= handler;
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handler_info[handler] = getfenv(2).module;
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log("debug", "mod_%s now handles tag '%s'", getfenv(2).module.name, tag);
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elseif handler_info[handlers[origin_type][tag]] then
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log("warning", "mod_%s wants to handle tag '%s' but mod_%s already handles that", getfenv(2).module.name, tag, handler_info[handlers[origin_type][tag]].module.name);
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end
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end
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function loadall()
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load("saslauth");
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load("legacyauth");
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load("roster");
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end
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function load(name)
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local mod, err = loadfile("plugins/mod_"..name..".lua");
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if not mod then
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log("error", "Unable to load module '%s': %s", name or "nil", err or "nil");
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return;
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end
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local pluginenv = setmetatable({ module = { name = name } }, { __index = modulehelpers });
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setfenv(mod, pluginenv);
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local success, ret = pcall(mod);
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if not success then
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log("error", "Error initialising module '%s': %s", name or "nil", ret or "nil");
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return;
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end
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end
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function handle_stanza(origin, stanza)
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local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns, origin.type;
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if name == "iq" and xmlns == "jabber:client" and handlers[origin_type] then
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log("debug", "Stanza is an <iq/>");
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local child = stanza.tags[1];
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if child then
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local xmlns = child.attr.xmlns;
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log("debug", "Stanza has xmlns: %s", xmlns);
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local handler = handlers[origin_type][name][xmlns];
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if handler then
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log("debug", "Passing stanza to mod_%s", handler_info[handler].name);
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return handler(origin, stanza) or true;
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end
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end
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elseif handlers[origin_type] then
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local handler = handlers[origin_type][name];
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if handler then
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log("debug", "Passing stanza to mod_%s", handler_info[handler].name);
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return handler(origin, stanza) or true;
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end
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end
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log("debug", "Stanza unhandled by any modules");
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return false; -- we didn't handle it
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end
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do
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local event_handlers = {};
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function modulehelpers.add_event_hook(name, handler)
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if not event_handlers[name] then
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event_handlers[name] = {};
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end
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t_insert(event_handlers[name] , handler);
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end
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function fire_event(name, ...)
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local event_handlers = event_handlers[name];
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if event_handlers then
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for name, handler in ipairs(event_handlers) do
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handler(...);
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end
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end
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end
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end
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return _M;
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