applications/luci-app-ddns/luasrc/model/cbi/ddns/overview.lua

   1 -- Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 local NXFS = require "nixio.fs"
   5 local CTRL = require "luci.controller.ddns"     -- this application's controller
   6 local DISP = require "luci.dispatcher"
   7 local HTTP = require "luci.http"
   8 local SYS  = require "luci.sys"
   9 local DDNS = require "luci.tools.ddns"          -- ddns multiused functions
  10
  11 -- show hints ?
  12 show_hints = not (DDNS.check_ipv6()             -- IPv6 support
  13                 and DDNS.check_ssl()            -- HTTPS support
  14                 and DDNS.check_proxy()          -- Proxy support
  15                 and DDNS.check_bind_host()      -- DNS TCP support
  16                 )
  17 -- correct ddns-scripts version
  18 need_update = DDNS.ipkg_ver_compare(DDNS.ipkg_ver_installed("ddns-scripts"), "<<", CTRL.DDNS_MIN)
  19
  20 -- html constants
  21 font_red = [[<font color="red">]]
  22 font_off = [[</font>]]
  23 bold_on  = [[<strong>]]
  24 bold_off = [[</strong>]]
  25
  26 -- cbi-map definition -- #######################################################
  27 m = Map("ddns")
  28
  29 m.title = [[<a href="javascript:alert(']]
  30                 .. translate("Version Information")
  31                 .. [[\n\nluci-app-ddns]]
  32                 .. [[\n\t]] .. translate("Version") .. [[:\t]] .. DDNS.ipkg_ver_installed("luci-app-ddns")
  33                 .. [[\n\nddns-scripts ]] .. translate("required") .. [[:]]
  34                 .. [[\n\t]] .. translate("Version") .. [[:\t]] .. CTRL.DDNS_MIN .. [[ ]] .. translate("or higher")
  35                 .. [[\n\nddns-scripts ]] .. translate("installed") .. [[:]]
  36                 .. [[\n\t]] .. translate("Version") .. [[:\t]] .. DDNS.ipkg_ver_installed("ddns-scripts")
  37                 .. [[\n\n]]
  38         .. [[')">]]
  39         .. translate("Dynamic DNS") .. [[</a>]]
  40
  41 m.description = translate("Dynamic DNS allows that your router can be reached with " ..
  42                         "a fixed hostname while having a dynamically changing " ..
  43                         "IP address.")
  44
  45 m.on_after_commit = function(self)
  46         if self.changed then    -- changes ?
  47                 if SYS.init.enabled("ddns") then        -- ddns service enabled, restart all
  48                         os.execute("/etc/init.d/ddns restart")
  49                 else    -- ddns service disabled, send SIGHUP to running
  50                         os.execute("killall -1 dynamic_dns_updater.sh")
  51                 end
  52         end
  53 end
  54
  55 -- SimpleSection definiton -- ##################################################
  56 -- with all the JavaScripts we need for "a good Show"
  57 a = m:section( SimpleSection )
  58 a.template = "ddns/overview_status"
  59
  60 -- SimpleSection definition -- #################################################
  61 -- show Hints to optimize installation and script usage
  62 -- only show if         service not enabled
  63 --              or      no IPv6 support
  64 --              or      not GNU Wget and not cURL       (for https support)
  65 --              or      not GNU Wget but cURL without proxy support
  66 --              or      not BIND's host
  67 --              or      ddns-scripts package need update
  68 if show_hints or need_update or not SYS.init.enabled("ddns") then
  69         s = m:section( SimpleSection, translate("Hints") )
  70
  71         -- ddns_scripts needs to be updated for full functionality
  72         if need_update then
  73                 local dv = s:option(DummyValue, "_update_needed")
  74                 dv.titleref = DISP.build_url("admin", "system", "packages")
  75                 dv.rawhtml  = true
  76                 dv.title = font_red .. bold_on ..
  77                         translate("Software update required") .. bold_off .. font_off
  78                 dv.value = translate("The currently installed 'ddns-scripts' package did not support all available settings.") ..
  79                                 "<br />" ..
  80                                 translate("Please update to the current version!")
  81         end
  82
  83         -- DDNS Service disabled
  84         if not SYS.init.enabled("ddns") then
  85                 local dv = s:option(DummyValue, "_not_enabled")
  86                 dv.titleref = DISP.build_url("admin", "system", "startup")
  87                 dv.rawhtml  = true
  88                 dv.title = bold_on ..
  89                         translate("DDNS Autostart disabled") .. bold_off
  90                 dv.value = translate("Currently DDNS updates are not started at boot or on interface events." .. "<br />" ..
  91                                 "You can start/stop each configuration here. It will run until next reboot.")
  92         end
  93
  94         -- Show more hints on a separate page
  95         if show_hints then
  96                 local dv = s:option(DummyValue, "_separate")
  97                 dv.titleref = DISP.build_url("admin", "services", "ddns", "hints")
  98                 dv.rawhtml  = true
  99                 dv.title = bold_on ..
 100                         translate("Show more") .. bold_off
 101                 dv.value = translate("Follow this link" .. "<br />" ..
 102                                 "You will find more hints to optimize your system to run DDNS scripts with all options")
 103         end
 104 end
 105
 106 -- TableSection definition -- ##################################################
 107 ts = m:section( TypedSection, "service",
 108         translate("Overview"),
 109         translate("Below is a list of configured DDNS configurations and their current state.")
 110         .. "<br />"
 111         .. translate("If you want to send updates for IPv4 and IPv6 you need to define two separate Configurations "
 112                 .. "i.e. 'myddns_ipv4' and 'myddns_ipv6'")
 113         .. "<br />"
 114         .. [[<a href="]] .. DISP.build_url("admin", "services", "ddns", "global") .. [[">]]
 115         .. translate("To change global settings click here") .. [[</a>]] )
 116 ts.sectionhead = translate("Configuration")
 117 ts.template = "cbi/tblsection"
 118 ts.addremove = true
 119 ts.extedit = DISP.build_url("admin", "services", "ddns", "detail", "%s")
 120 function ts.create(self, name)
 121         AbstractSection.create(self, name)
 122         HTTP.redirect( self.extedit:format(name) )
 123 end
 124
 125 -- Domain and registered IP -- #################################################
 126 dom = ts:option(DummyValue, "_domainIP",
 127         translate("Hostname/Domain") .. "<br />" .. translate("Registered IP") )
 128 dom.template = "ddns/overview_doubleline"
 129 function dom.set_one(self, section)
 130         local domain = self.map:get(section, "domain") or ""
 131         if domain ~= "" then
 132                 return domain
 133         else
 134                 return [[<em>]] .. translate("config error") .. [[</em>]]
 135         end
 136 end
 137 function dom.set_two(self, section)
 138         local domain = self.map:get(section, "domain") or ""
 139         if domain == "" then return "" end
 140         local dnsserver = self.map:get(section, "dnsserver") or ""
 141         local use_ipv6 = tonumber(self.map:get(section, "use_ipv6") or 0)
 142         local force_ipversion = tonumber(self.map:get(section, "force_ipversion") or 0)
 143         local force_dnstcp = tonumber(self.map:get(section, "force_dnstcp") or 0)
 144         local command = [[/usr/lib/ddns/dynamic_dns_lucihelper.sh]]
 145         if not NXFS.access(command, "rwx", "rx", "rx") then
 146                 NXFS.chmod(command, 755)
 147         end
 148         command = command .. [[ get_registered_ip ]] .. domain .. [[ ]] .. use_ipv6 ..
 149                 [[ ]] .. force_ipversion .. [[ ]] .. force_dnstcp .. [[ ]] .. dnsserver
 150         local ip = SYS.exec(command)
 151         if ip == "" then ip = translate("no data") end
 152         return ip
 153 end
 154
 155 -- enabled
 156 ena = ts:option( Flag, "enabled",
 157         translate("Enabled"))
 158 ena.template = "ddns/overview_enabled"
 159 ena.rmempty = false
 160 function ena.parse(self, section)
 161         DDNS.flag_parse(self, section)
 162 end
 163
 164 -- show PID and next update
 165 upd = ts:option( DummyValue, "_update",
 166         translate("Last Update") .. "<br />" .. translate("Next Update"))
 167 upd.template = "ddns/overview_doubleline"
 168 function upd.set_one(self, section)     -- fill Last Update
 169         -- get/validate last update
 170         local uptime   = SYS.uptime()
 171         local lasttime = DDNS.get_lastupd(section)
 172         if lasttime > uptime then       -- /var might not be linked to /tmp and cleared on reboot
 173                 lasttime = 0
 174         end
 175
 176         -- no last update happen
 177         if lasttime == 0 then
 178                 return translate("never")
 179
 180         -- we read last update
 181         else
 182                 -- calc last update
 183                 --            os.epoch  - sys.uptime + lastupdate(uptime)
 184                 local epoch = os.time() - uptime + lasttime
 185                 -- use linux date to convert epoch
 186                 return DDNS.epoch2date(epoch)
 187         end
 188 end
 189 function upd.set_two(self, section)     -- fill Next Update
 190         -- get enabled state
 191         local enabled   = tonumber(self.map:get(section, "enabled") or 0)
 192         local datenext  = translate("unknown error")    -- formatted date of next update
 193
 194         -- get force seconds
 195         local force_interval = tonumber(self.map:get(section, "force_interval") or 72)
 196         local force_unit = self.map:get(section, "force_unit") or "hours"
 197         local force_seconds = DDNS.calc_seconds(force_interval, force_unit)
 198
 199         -- get last update and get/validate PID
 200         local uptime   = SYS.uptime()
 201         local lasttime = DDNS.get_lastupd(section)
 202         if lasttime > uptime then       -- /var might not be linked to /tmp and cleared on reboot
 203                 lasttime = 0
 204         end
 205         local pid      = DDNS.get_pid(section)
 206
 207         -- calc next update
 208         if lasttime > 0 then
 209                 local epoch = os.time() - uptime + lasttime + force_seconds
 210                 -- use linux date to convert epoch
 211                 datelast = DDNS.epoch2date(epoch)
 212         end
 213
 214         -- process running but update needs to happen
 215         if pid > 0 and ( lasttime + force_seconds - uptime ) < 0 then
 216                 datenext = translate("Verify")
 217
 218         -- run once
 219         elseif force_seconds == 0 then
 220                 datenext = translate("Run once")
 221
 222         -- no process running and NOT enabled
 223         elseif pid == 0 and enabled == 0 then
 224                 datenext  = translate("Disabled")
 225
 226         -- no process running and NOT
 227         elseif pid == 0 and enabled ~= 0 then
 228                 datenext = translate("Stopped")
 229         end
 230
 231         return datenext
 232 end
 233
 234 -- start/stop button
 235 btn = ts:option( Button, "_startstop",
 236         translate("Process ID") .. "<br />" .. translate("Start / Stop") )
 237 btn.template = "ddns/overview_startstop"
 238 function btn.cfgvalue(self, section)
 239         local pid = DDNS.get_pid(section)
 240         if pid > 0 then
 241                 btn.inputtitle  = "PID: " .. pid
 242                 btn.inputstyle  = "reset"
 243                 btn.disabled    = false
 244         elseif (self.map:get(section, "enabled") or "0") ~= "0" then
 245                 btn.inputtitle  = translate("Start")
 246                 btn.inputstyle  = "apply"
 247                 btn.disabled    = false
 248         else
 249                 btn.inputtitle  = "----------"
 250                 btn.inputstyle  = "button"
 251                 btn.disabled    = true
 252         end
 253         return true
 254 end
 255
 256 return m