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antd-web-apps/os/libs/common.lua
2018-09-12 18:31:25 +02:00

46 lines
1002 B
Lua

require("sqlite")
function fail(msg)
std.json()
std.t(JSON.encode({error=msg}))
end
function result(obj)
std.json()
std.t(JSON.encode({result=obj, error=false}))
end
function die (msg)
fail(msg)
debug.traceback=nil
error("Permission denied")
end
-- check if the sysdb is create, otherwise create the table
function sysdb()
local meta = {}
meta.sessionid = ""
meta.username = ""
meta.stamp = 0
return require("dbmodel").get("sysdb", "sessions", meta)
end
function is_auth()
if SESSION.sessionid == nil or SESSION.sessionid == '0' then return false end
-- query session id from database
local db = sysdb()
if db == nil then return false end
local cond = {exp= {["="] = { sessionid = SESSION.sessionid }}}
local data = db:find(cond)
--print(JSON.encode(data))
db:close()
if data == nil or data[1] == nil then die(msg) end
-- next time check the stamp
SESSION.user = data[1].username
return true
end
function auth_or_die(msg)
if(is_auth() == false) then
die(msg)
end
end