-local error, type, pairs = error, type, pairs;
+local type, pairs = type, pairs;
local setmetatable = setmetatable;
local config = require "core.configmanager";
local prosody = prosody;
-module("storagemanager")
+local _ENV = nil;
local olddm = {}; -- maintain old datamanager, for backwards compatibility
for k,v in pairs(datamanager) do olddm[k] = v; end
-_M.olddm = olddm;
local null_storage_method = function () return false, "no data storage active"; end
local null_storage_driver = setmetatable(
name = "null",
open = function (self) return self; end
}, {
- __index = function (self, method)
+ __index = function (self, method) --luacheck: ignore 212
return null_storage_method;
end
}
local stores_available = multitable.new();
-function initialize_host(host)
+local function initialize_host(host)
local host_session = hosts[host];
host_session.events.add_handler("item-added/storage-provider", function (event)
local item = event.item;
stores_available:set(host, item.name, item);
end);
-
+
host_session.events.add_handler("item-removed/storage-provider", function (event)
local item = event.item;
stores_available:set(host, item.name, nil);
end
prosody.events.add_handler("host-activated", initialize_host, 101);
-function load_driver(host, driver_name)
+local function load_driver(host, driver_name)
if driver_name == "null" then
return null_storage_driver;
end
return stores_available:get(host, driver_name);
end
-function get_driver(host, store)
+local function get_driver(host, store)
local storage = config.get(host, "storage");
local driver_name;
local option_type = type(storage);
if not driver_name then
driver_name = config.get(host, "default_storage") or "internal";
end
-
+
local driver = load_driver(host, driver_name);
if not driver then
log("warn", "Falling back to null driver for %s storage on %s", store, host);
return driver, driver_name;
end
-function open(host, store, typ)
+local function open(host, store, typ)
local driver, driver_name = get_driver(host, store);
local ret, err = driver:open(store, typ);
if not ret then
if err == "unsupported-store" then
log("debug", "Storage driver %s does not support store %s (%s), falling back to null driver",
- driver_name, store, typ);
+ driver_name, store, typ or "<nil>");
ret = null_storage_driver;
err = nil;
end
return ret, err;
end
-function purge(user, host)
+local function purge(user, host)
local storage = config.get(host, "storage");
if type(storage) == "table" then
-- multiple storage backends in use that we need to purge
local purged = {};
- for store, driver in pairs(storage) do
- if not purged[driver] then
- purged[driver] = get_driver(host, store):purge(user);
+ for store, driver_name in pairs(storage) do
+ if not purged[driver_name] then
+ local driver = get_driver(host, store);
+ if driver.purge then
+ purged[driver_name] = driver:purge(user);
+ else
+ log("warn", "Storage driver %s does not support removing all user data, you may need to delete it manually", driver_name);
+ end
end
end
end
function datamanager.store(username, host, datastore, data)
return open(host, datastore):set(username, data);
end
+function datamanager.users(host, datastore, typ)
+ local driver = open(host, datastore, typ);
+ if not driver.users then
+ return function() log("warn", "storage driver %s does not support listing users", driver.name) end
+ end
+ return driver:users();
+end
function datamanager.stores(username, host, typ)
return get_driver(host):stores(username, typ);
end
return purge(username, host);
end
-return _M;
+return {
+ initialize_host = initialize_host;
+ load_driver = load_driver;
+ get_driver = get_driver;
+ open = open;
+ purge = purge;
+
+ olddm = olddm;
+};