Security API

function CheckSecurity()
return true
end

function CheckAccess(file)
local file = fs.open("os/Files/ProgramKeys.txt","r")
local Table = textutils.unserialize(file.readAll())
file.close()
local Key
for i = 1, #Table do
    if Table[i][1] == file then Key = Table[i][2] end
end
settings.load("os/settings.txt")
local Doc = fs.open(fs.combine("os/System/Users",settings.get("active_user"),"UserKeys.txt"),"r")
local UserKeys = textutils.unserialize(Doc.readAll())
Doc.close()

local Pass = false
for i = 1, #UserKeys do
    if Key == UserKeys[i] then Pass = true end
end
if Pass == false and Key == nil then Pass = true end
return Pass
end

function getKey(file)
local file = fs.open("os/Files/ProgramKeys.txt","r")
local Table = textutils.unserialize(file.readAll())
file.close()
local Key
for i = 1, #Table do
    if Table[i][1] == file then Key = Table[i][2] end
end
return Key
end

function AddKey(file,key)
local file = fs.open("os/Files/ProgramKeys.txt","r")
local Table = textutils.unserialize(file.readAll())
Table[#Table + 1] = {file,key}
file.close()
local Doc = fs.open("os/Files/ProgramKeys.txt","w")
Doc.write(textutils.serialize(Table))
Doc.close()
end

function AddUserKey(user,key)
local file = fs.open(fs.combine("os/System/Users",user,"UserKeys.txt"),"r")
local Table = textutils.unserialize(file.readAll())
Table[#Table + 1] = {file,key}
file.close()
local Doc = fs.open(fs.combine("os/System/Users",user,"UserKeys.txt"),"w")
Doc.write(textutils.serialize(Table))
Doc.close()
end