applications/luci-app-adblock/luasrc/model/cbi/adblock/configuration_tab.lua

   1 -- Copyright 2017-2018 Dirk Brenken (dev@brenken.org)
   2 -- This is free software, licensed under the Apache License, Version 2.0
   3
   4 local fs    = require("nixio.fs")
   5 local util  = require("luci.util")
   6 local input = "/etc/config/adblock"
   7
   8 if not fs.access(input) then
   9         m = SimpleForm("error", nil, translate("Input file not found, please check your configuration."))
  10         m.reset = false
  11         m.submit = false
  12         return m
  13 end
  14
  15 if fs.stat(input).size >= 102400 then
  16         m = SimpleForm("error", nil,
  17                 translate("The file size is too large for online editing in LuCI (&ge; 100 KB). ")
  18                 .. translate("Please edit this file directly in a terminal session."))
  19         m.reset = false
  20         m.submit = false
  21         return m
  22 end
  23
  24 m = SimpleForm("input", nil)
  25 m:append(Template("adblock/adblock_css"))
  26 m.submit = translate("Save")
  27 m.reset = false
  28
  29 s = m:section(SimpleSection, nil,
  30         translate("This form allows you to modify the content of the main adblock configuration file (/etc/config/adblock)."))
  31
  32 f = s:option(TextValue, "data")
  33 f.rows = 20
  34 f.rmempty = true
  35
  36 function f.cfgvalue()
  37         return fs.readfile(input) or ""
  38 end
  39
  40 function f.write(self, section, data)
  41         return fs.writefile(input, "\n" .. util.trim(data:gsub("\r\n", "\n")) .. "\n")
  42 end
  43
  44 function f.remove(self, section, value)
  45         return fs.writefile(input, "")
  46 end
  47
  48 function s.handle(self, state, data)
  49         return true
  50 end
  51
  52 return m