diff options
Diffstat (limited to 'lib/session.lua')
| -rw-r--r-- | lib/session.lua | 40 |
1 files changed, 10 insertions, 30 deletions
diff --git a/lib/session.lua b/lib/session.lua index f23f5a5..19d35cc 100644 --- a/lib/session.lua +++ b/lib/session.lua @@ -3,6 +3,8 @@ module (..., package.seeall) +require "posix" + local b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-" -- Return a sessionid of at least size bits length @@ -18,6 +20,8 @@ random_hash = function (size) return str end +-- FIXME: only hashes ipv4 + hash_ip_addr = function (string) local str = "" for i in string.gmatch(string, "%d+") do @@ -74,7 +78,7 @@ function serialize (name, value, saved ) end save_session = function( sessionpath, session, sessiontable) - local file = io.open(sessionpath .. "/" .. session , "w") + local file = io.open(sessionpath .. "/session." .. session , "w") if file then file:write ( "-- This is an ACF session table.\nlocal timestamp=" .. os.time() ) file:write ( "\nlocal " ) @@ -88,20 +92,6 @@ save_session = function( sessionpath, session, sessiontable) end ---- FIXME: This is really a generic "test if file exists" thing. - --- Tests if a session is valid --- Returns true if valid, false if not -session_is_valid = function (session) - local file = io.open(session) - if file then - file:close() - return true - else - return false - end -end - -- Loads a session -- Returns a timestamp (when the session data was saved) and the session table. load_session = function ( sessionpath, session ) @@ -110,9 +100,9 @@ load_session = function ( sessionpath, session ) if #session == 0 then return nil, {} end - session = sessionpath .. "/" .. session - if (session_is_valid(session)) then - local file = io.open(session) + session = sessionpath .. "/session." .. session + if (posix.stat(session)) then + local file = io.open(session) return dofile(session) else return nil, {} @@ -120,24 +110,14 @@ load_session = function ( sessionpath, session ) end -- unlinks a session -invalidate_session = function (sessionpath, session) +unlink_session = function (sessionpath, session) if type(session) ~= "string" then return nil end local s = string.gsub (session, "[^" .. b64 .. "]", "") if s ~= session then return nil end - session = sessionpath .. "/" .. s + session = sessionpath .. "/session." .. s os.remove (session) return nil end - -expire_old_sessions = function ( sessiondir ) - file = io.popen("ls " .. sessiondir ) - x = file:read("*a") - file:close() - for a in string.gmatch(x, "[^%c]+") do - timestamp, foo = load_session ( sessiondir .. "/" .. a ) - print ( a .. " is " .. os.time() - timestamp .. " seconds old") - end -end |