applications/luci-app-https_dns_proxy/luasrc/model/cbi/https_dns_proxy.lua

   1 local sys = require "luci.sys"
   2 local util = require "luci.util"
   3 local fs = require "nixio.fs"
   4 local dispatcher = require "luci.dispatcher"
   5 local i18n = require "luci.i18n"
   6 local uci = require("luci.model.uci").cursor()
   7
   8 local packageName = "https_dns_proxy"
   9 local providers_dir = "/usr/lib/lua/luci/" .. packageName .. "/providers/"
  10
  11 function get_provider_name(value)
  12         for filename in fs.dir(providers_dir) do
  13                 local p_func = loadfile(providers_dir .. filename)
  14                 setfenv(p_func, { _ = i18n.translate })
  15                 local p = p_func()
  16                 value = value:gsub('[%p%c%s]', '')
  17                 p.url_match = p.url_prefix:gsub('[%p%c%s]', '')
  18                 if value:match(p.url_match) then
  19                         return p.label
  20                 end
  21         end
  22         return translate("Uknown Provider")
  23 end
  24
  25 local tmpfsStatus, tmpfsStatusCode
  26 local ubusStatus = util.ubus("service", "list", { name = packageName })
  27 local tmpfsVersion = tostring(util.trim(sys.exec("opkg list-installed " .. packageName .. " | awk '{print $3}'")))
  28
  29 if not tmpfsVersion or tmpfsVersion == "" then
  30         tmpfsStatusCode = -1
  31         tmpfsVersion = ""
  32         tmpfsStatus = packageName .. " " .. translate("is not installed or not found")
  33 else
  34         tmpfsVersion = " [" .. packageName .. " " .. tmpfsVersion .. "]"
  35         if not ubusStatus or not ubusStatus[packageName] then
  36                 tmpfsStatusCode = 0
  37                 tmpfsStatus = translate("Stopped")
  38         else
  39                 tmpfsStatusCode, tmpfsStatus = 1, ""
  40                 for n = 1,1000 do
  41                         if ubusStatus and ubusStatus[packageName] and
  42                                  ubusStatus[packageName]["instances"] and
  43                                  ubusStatus[packageName]["instances"]["instance" .. n] and
  44                                  ubusStatus[packageName]["instances"]["instance" .. n]["running"] then
  45                                 local value, k, v, url, url_flag, la, la_flag, lp, lp_flag
  46                                 for k, v in pairs(ubusStatus[packageName]["instances"]["instance" .. n]["command"]) do
  47                                         if la_flag then la, la_flag = v, false end
  48                                         if lp_flag then lp, lp_flag = v, false end
  49                                         if url_flag then url, url_flag = v, false end
  50                                         if v == "-a" then la_flag = true end
  51                                         if v == "-p" then lp_flag = true end
  52                                         if v == "-r" then url_flag = true end
  53                                 end
  54                                 la = la or "127.0.0.1"
  55                                 lp = lp or n + 5053
  56                                 tmpfsStatus = tmpfsStatus .. translate("Running") .. ": " .. get_provider_name(url) .. " " .. translate("DoH") .. " " .. translate("at") .. " " .. la .. ":" .. lp .. "\n"
  57                         else
  58                                 break
  59                         end
  60                 end
  61         end
  62 end
  63
  64 m = Map("https_dns_proxy", translate("DNS over HTTPS Proxy Settings"))
  65
  66 h = m:section(TypedSection, "_dummy", translate("Service Status") .. tmpfsVersion)
  67 h.template = "cbi/nullsection"
  68 ss = h:option(DummyValue, "_dummy", translate("Service Status"))
  69 if tmpfsStatusCode == -1 then
  70         ss.template = packageName .. "/status"
  71         ss.value = tmpfsStatus
  72 else
  73                 if tmpfsStatusCode == 0 then
  74                         ss.template = packageName .. "/status"
  75                 else
  76                         ss.template = packageName .. "/status-textarea"
  77                 end
  78         ss.value = tmpfsStatus
  79         buttons = h:option(DummyValue, "_dummy")
  80         buttons.template = packageName .. "/buttons"
  81 end
  82
  83 s3 = m:section(TypedSection, "https_dns_proxy", translate("Instances"), translate("When you add/remove any instances below, they will be used to override the 'DNS forwardings' section of ")
  84                 .. [[ <a href="]] .. dispatcher.build_url("admin/network/dhcp") .. [[">]]
  85                 .. translate("DHCP and DNS") .. [[</a>]] .. ".")
  86 s3.template = "cbi/tblsection"
  87 s3.sortable  = false
  88 s3.anonymous = true
  89 s3.addremove = true
  90
  91 prov = s3:option(ListValue, "url_prefix", translate("Provider"))
  92 for filename in fs.dir(providers_dir) do
  93         local p_func = loadfile(providers_dir .. filename)
  94         setfenv(p_func, { _ = i18n.translate })
  95         local p = p_func()
  96         prov:value(p.url_prefix, p.label)
  97         if p.default then
  98                 prov.default = p.url_prefix
  99         end
 100 end
 101 prov.forcewrite = true
 102 prov.write = function(self, section, value)
 103         if not value then return end
 104         for filename in fs.dir(providers_dir) do
 105                 local p_func = loadfile(providers_dir .. filename)
 106                 setfenv(p_func, { _ = i18n.translate })
 107                 local p = p_func()
 108                 value = value:gsub('[%p%c%s]', '')
 109                 p.url_match = p.url_prefix:gsub('[%p%c%s]', '')
 110                 if value:match(p.url_match) then
 111                         uci:set("https_dns_proxy", section, "bootstrap_dns", p.bootstrap_dns)
 112                         uci:set("https_dns_proxy", section, "url_prefix", p.url_prefix)
 113                 end
 114         end
 115         uci:save("https_dns_proxy")
 116 end
 117
 118 la = s3:option(Value, "listen_addr", translate("Listen address"))
 119 la.datatype    = "host"
 120 la.placeholder = "127.0.0.1"
 121 la.rmempty     = true
 122
 123 local n = 0
 124 uci:foreach("https_dns_proxy", "https_dns_proxy", function(s)
 125                 if s[".name"] == section then
 126                                 return false
 127                 end
 128                 n = n + 1
 129 end)
 130
 131 lp = s3:option(Value, "listen_port", translate("Listen port"))
 132 lp.datatype = "port"
 133 lp.value    = n + 5053
 134
 135 sa = s3:option(Value, "subnet_addr", translate("Subnet address"))
 136 sa.datatype = "host"
 137 sa.rmempty  = true
 138
 139 ps = s3:option(Value, "proxy_server", translate("Proxy server"))
 140 ps.datatype = "host"
 141 ps.rmempty  = true
 142
 143 return m