luci.config.sauth = luci.config.sauth or {}
sessionpath = luci.config.sauth.sessionpath
-sessiontime = tonumber(luci.config.sauth.sessiontime)
+sessiontime = tonumber(luci.config.sauth.sessiontime) or 15 * 60
--- Manually clean up expired sessions.
function clean()
-- @param id Session identifier
-- @return Session data
function read(id)
- if not id or not sane() then
+ if not id then
return
end
+ if not id:match("^%w+$") then
+ error("Session ID is not sane!")
+ end
clean()
+ if not sane(sessionpath .. "/" .. id) then
+ return
+ end
return luci.fs.readfile(sessionpath .. "/" .. id)
end
--- Check whether Session environment is sane.
-- @return Boolean status
-function sane()
- return luci.sys.process.info("uid") == luci.fs.stat(sessionpath, "uid")
- and luci.fs.stat(sessionpath, "mode") == "rwx------"
+function sane(file)
+ return luci.sys.process.info("uid")
+ == luci.fs.stat(file or sessionpath, "uid")
+ and luci.fs.stat(file or sessionpath, "mode")
+ == (file and "rw-------" or "rwx------")
end
if not sane() then
prepare()
end
+ if not id:match("^%w+$") then
+ error("Session ID is not sane!")
+ end
luci.fs.writefile(sessionpath .. "/" .. id, data)
luci.fs.chmod(sessionpath .. "/" .. id, "a-rwx,u+rw")
+end
+
+
+--- Kills a session
+-- @param id Session identifier
+function kill(id)
+ if not id:match("^%w+$") then
+ error("Session ID is not sane!")
+ end
+ luci.fs.unlink(sessionpath .. "/" .. id)
end
\ No newline at end of file