applications/luci-app-openvpn/luasrc/model/cbi/openvpn-file.lua

   1 -- Licensed to the public under the Apache License 2.0.
   2
   3 local ip       = require("luci.ip")
   4 local fs       = require("nixio.fs")
   5 local util     = require("luci.util")
   6 local uci      = require("luci.model.uci").cursor()
   7 local cfg_file = uci:get("openvpn", arg[1], "config")
   8
   9 local m = Map("openvpn")
  10
  11 local p = m:section( SimpleSection )
  12 p.template = "openvpn/pageswitch"
  13 p.mode     = "file"
  14 p.instance = arg[1]
  15
  16 if not cfg_file or not fs.access(cfg_file) then
  17         local f = SimpleForm("error", nil, translatef("The OVPN config file (%s) could not be found, please check your configuration.", cfg_file or "n/a"))
  18         f:append(Template("openvpn/ovpn_css"))
  19         f.reset = false
  20         f.submit = false
  21         return m, f
  22 end
  23
  24 if fs.stat(cfg_file).size >= 102400 then
  25         f = SimpleForm("error", nil,
  26                 translatef("The size of the OVPN config file (%s) is too large for online editing in LuCI (&ge; 100 KB). ", cfg_file)
  27                 .. translate("Please edit this file directly in a terminal session."))
  28         f:append(Template("openvpn/ovpn_css"))
  29         f.reset = false
  30         f.submit = false
  31         return m, f
  32 end
  33
  34 f = SimpleForm("cfg", nil)
  35 f:append(Template("openvpn/ovpn_css"))
  36 f.submit = translate("Save")
  37 f.reset = false
  38
  39 s = f:section(SimpleSection, nil, translatef("This form allows you to modify the content of the OVPN config file (%s). ", cfg_file))
  40 file = s:option(TextValue, "data")
  41 file.datatype = "string"
  42 file.rows = 20
  43 file.rmempty = true
  44
  45 function file.cfgvalue()
  46         return fs.readfile(cfg_file) or ""
  47 end
  48
  49 function file.write(self, section, data)
  50         return fs.writefile(cfg_file, "\n" .. util.trim(data:gsub("\r\n", "\n")) .. "\n")
  51 end
  52
  53 function file.remove(self, section, value)
  54         return fs.writefile(cfg_file, "")
  55 end
  56
  57 function s.handle(self, state, data)
  58         return true
  59 end
  60
  61 return m, f