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-- Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
-- Licensed under the Apache License, Version 2.0
module("luci.controller.privoxy", package.seeall)
local NX = require "nixio"
local NXFS = require "nixio.fs"
local HTTP = require "luci.http"
local UCI = require "luci.model.uci"
local SYS = require "luci.sys"
PRIVOXY_MIN = "3.0.22-0" -- minimum version of service required
function index()
local _sys = require "luci.sys"
local _verinst = _sys.exec([[opkg list-installed ]] .. "privoxy" .. [[ | cut -d " " -f 3 ]])
local _cmd = [[opkg compare-versions "]] .. _verinst .. [[" ">=" "]] .. "3.0.22-0" .. [["]]
local _verok = tonumber(_sys.call(_cmd))
-- check config file and version
if not nixio.fs.access("/etc/config/privoxy") or (_verok == 0) then
entry( {"admin", "services", "privoxy"}, cbi("privoxy/apperror",
{hideapplybtn=true, hidesavebtn=true, hideresetbtn=true }), _("Privoxy WEB proxy"), 59)
else
entry( {"admin", "services", "privoxy"}, cbi("privoxy/detail"), _("Privoxy WEB proxy"), 59)
entry( {"admin", "services", "privoxy", "logview"}, call("logread") ).leaf = true
entry( {"admin", "services", "privoxy", "startstop"}, call("startstop") ).leaf = true
entry( {"admin", "services", "privoxy", "status"}, call("get_pid") ).leaf = true
end
end
-- called by XHR.get from detail_logview.htm
function logread()
-- read application settings
local uci = UCI.cursor()
local logdir = uci:get("privoxy", "privoxy", "logdir") or "/var/log"
local logfile = uci:get("privoxy", "privoxy", "logfile") or "privoxy.log"
uci:unload("privoxy")
local lfile=logdir .. "/" .. logfile
local ldata=NXFS.readfile(lfile)
if not ldata or #ldata == 0 then
ldata="_nodata_"
end
HTTP.write(ldata)
end
-- called by XHR.get from detail_startstop.htm
function startstop()
local pid = get_pid(true)
if pid > 0 then
SYS.call("/etc/init.d/privoxy stop")
NX.nanosleep(1) -- sleep a second
if NX.kill(pid, 0) then -- still running
NX.kill(pid, 9) -- send SIGKILL
end
pid = 0
else
SYS.call("/etc/init.d/privoxy start")
NX.nanosleep(1) -- sleep a second
pid = tonumber(NXFS.readfile("/var/run/privoxy.pid") or 0 )
if pid > 0 and not NX.kill(pid, 0) then
pid = 0 -- process did not start
end
end
HTTP.write(tostring(pid)) -- HTTP needs string not number
end
-- called by XHR.poll from detail_startstop.htm
-- and from lua (with parameter "true")
function get_pid(from_lua)
local pid = tonumber(NXFS.readfile("/var/run/privoxy.pid") or 0 )
if pid > 0 and not NX.kill(pid, 0) then
pid = 0
end
if from_lua then
return pid
else
HTTP.write(tostring(pid)) -- HTTP needs string not number
end
end
-- get the "name" of the current active theme
function get_theme()
local _uci = UCI.cursor()
local _base = _uci:get("luci", "main", "mediaurlbase") -- only pathname
_uci:unload("luci")
for k, v in pairs(luci.config.themes) do
if k:sub(1, 1) ~= "." and v == _base then
return k
end
end
return nil
end
-- replacement of build-in Flag.parse of cbi.lua
-- modified to mark section as changed if value changes
-- current parse did not do this, but it is done AbstaractValue.parse()
function flag_parse(self, section)
local fexists = self.map:formvalue(
luci.cbi.FEXIST_PREFIX .. self.config .. "." .. section .. "." .. self.option)
if fexists then
local fvalue = self:formvalue(section) and self.enabled or self.disabled
local cvalue = self:cfgvalue(section)
if fvalue ~= self.default or (not self.optional and not self.rmempty) then
self:write(section, fvalue)
else
self:remove(section)
end
if (fvalue ~= cvalue) then self.section.changed = true end
else
self:remove(section)
self.section.changed = true
end
end
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