Mercurial > prosody-modules
view mod_storage_ejabberdsql_readonly/mod_storage_ejabberdsql_readonly.lua @ 2356:49a01b78b45f
mod_storage_muc_log: Address luacheck warnings
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 09 Nov 2016 13:37:58 +0100 |
parents | e0663dcd934d |
children | 7c264a2cb970 |
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-- luacheck: ignore 212/self local sql = require "util.sql"; local xml_parse = require "util.xml".parse; local resolve_relative_path = require "util.paths".resolve_relative_path; local stanza_preserialize = require "util.stanza".preserialize; local unpack = unpack local function iterator(result) return function(result_) local row = result_(); if row ~= nil then return unpack(row); end end, result, nil; end local default_params = { driver = "SQLite3" }; local engine; local host = module.host; local user, store; local function keyval_store_get() if store == "accounts" then --for row in engine:select("SELECT `password`,`created_at` FROM `users` WHERE `username`=?", user or "") do local result; for row in engine:select("SELECT `password` FROM `users` WHERE `username`=? LIMIT 1", user or "") do result = row end local password = result[1]; --local created_at = result[2]; return { password = password }; elseif store == "roster" then local roster = {}; local pending = nil; --for row in engine:select("SELECT `jid`,`nick`,`subscription`,`ask`,`askmessage`,`server`,`subscribe`,`type`,`created_at` FROM `rosterusers` WHERE `username`=?", user or "") do for row in engine:select("SELECT `jid`,`nick`,`subscription`,`ask` FROM `rosterusers` WHERE `username`=?", user or "") do local contact = row[1]; local name = row[2]; if name == "" then name = nil; end local subscription = row[3]; if subscription == "N" then subscription = "none" elseif subscription == "B" then subscription = "both" elseif subscription == "F" then subscription = "from" elseif subscription == "T" then subscription = "to" else error("Unknown subscription type: "..subscription) end; local ask = row[4]; if ask == "N" then ask = nil; elseif ask == "O" then ask = "subscribe"; elseif ask == "I" then if pending == nil then pending = {} end; pending[contact] = true; ask = nil; elseif ask == "B" then if pending == nil then pending = {} end; pending[contact] = true; ask = "subscribe"; else error("Unknown ask type: "..ask); end --local askmessage = row[5]; --local server = row[6]; --local subscribe = row[7]; --local type = row[8]; --local created_at = row[9]; local groups = {}; for row in engine:select("SELECT `grp` FROM `rostergroups` WHERE `username`=? AND `jid`=?", user or "", contact) do local group = row[1]; groups[group] = true; end roster[contact] = { name = name, ask = ask, subscription = subscription, groups = groups }; end return roster; elseif store == "vcard" then local result = nil; for row in engine:select("SELECT `vcard` FROM `vcard` WHERE `username`=? LIMIT 1", user or "") do result = row end if not result then return nil; end local data, err = xml_parse(result[1]); if data then return stanza_preserialize(data); end elseif store == "private" then local private = nil; local result; for row in engine:select("SELECT `namespace`,`data` FROM `private_storage` WHERE `username`=?", user or "") do if private == nil then private = {} end; local namespace = row[1]; local data, err = xml_parse(row[2]); if data then assert(namespace == data.attr.xmlns, "Wrong namespace in private data!"); local key = data.name..":"..data.attr.xmlns; private[key] = stanza_preserialize(data); end end return private; end end --- Key/value store API (default store type) local keyval_store = {}; keyval_store.__index = keyval_store; function keyval_store:get(username) user, store = username, self.store; local ok, result = engine:transaction(keyval_store_get); if not ok then module:log("error", "Unable to read from database %s store for %s: %s", store, username or "<host>", result); return nil, result; end return result; end function keyval_store:users() local ok, result = engine:transaction(function() return engine:select("SELECT `username` FROM `users`"); end); if not ok then return ok, result end return iterator(result); end local stores = { keyval = keyval_store; }; --- Implement storage driver API -- FIXME: Some of these operations need to operate on the archive store(s) too local driver = {}; function driver:open(store, typ) local store_mt = stores[typ or "keyval"]; if store_mt then return setmetatable({ store = store }, store_mt); end return nil, "unsupported-store"; end function driver:stores(username) local query = "SELECT 'accounts', 'roster', 'vcard', 'private'"; if username == true or not username then username = ""; end local ok, result = engine:transaction(function() return engine:select(query, host, username); end); if not ok then return ok, result end return iterator(result); end --- Initialization local function normalize_params(params) if params.driver == "SQLite3" then if params.database ~= ":memory:" then params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite"); end end assert(params.driver and params.database, "Configuration error: Both the SQL driver and the database need to be specified"); return params; end function module.load() if prosody.prosodyctl then return; end local engines = module:shared("/*/sql/connections"); local params = normalize_params(module:get_option("sql", default_params)); engine = engines[sql.db2uri(params)]; if not engine then module:log("debug", "Creating new engine"); engine = sql:create_engine(params); engines[sql.db2uri(params)] = engine; end module:provides("storage", driver); end