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

   1 -- Copyright 2014-2016 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 DISP = require "luci.dispatcher"
   6 local HTTP = require "luci.http"
   7 local SYS  = require "luci.sys"
   8 local CTRL = require "luci.controller.ddns"     -- this application's controller
   9 local DDNS = require "luci.tools.ddns"          -- ddns multiused functions
  10
  11 local show_hints = not (DDNS.has_ipv6           -- IPv6 support
  12                     and DDNS.has_ssl            -- HTTPS support
  13                     and DDNS.has_proxy          -- Proxy support
  14                     and DDNS.has_bindhost       -- DNS TCP support
  15                     and DDNS.has_forceip        -- Force IP version
  16                     and DDNS.has_dnsserver      -- DNS server support
  17                     and DDNS.has_bindnet        -- Bind to network/interface
  18                     and DDNS.has_cacerts        -- certificates installed at /etc/ssl/certs
  19                 )
  20 local not_enabled = not SYS.init.enabled("ddns")
  21 local need_update = not CTRL.service_ok()
  22
  23 -- html constants
  24 font_red = [[<font color="red">]]
  25 font_off = [[</font>]]
  26 bold_on  = [[<strong>]]
  27 bold_off = [[</strong>]]
  28
  29 -- cbi-map definition -- #######################################################
  30 m = Map("ddns")
  31 m.title         = CTRL.app_title_main()
  32 m.description   = CTRL.app_description()
  33
  34 m.on_after_commit = function(self)
  35         if self.changed then    -- changes ?
  36                 if SYS.init.enabled("ddns") then        -- ddns service enabled, restart all
  37                         os.execute("/etc/init.d/ddns restart")
  38                 else    -- ddns service disabled, send SIGHUP to running
  39                         os.execute("killall -1 dynamic_dns_updater.sh")
  40                 end
  41         end
  42 end
  43
  44 -- SimpleSection definiton -- ##################################################
  45 -- with all the JavaScripts we need for "a good Show"
  46 a = m:section( SimpleSection )
  47 a.template = "ddns/overview_status"
  48
  49 -- SimpleSection definition -- #################################################
  50 -- show Hints to optimize installation and script usage
  51 if show_hints or need_update or not_enabled then
  52
  53         s = m:section( SimpleSection, translate("Hints") )
  54
  55         -- ddns_scripts needs to be updated for full functionality
  56         if need_update then
  57                 local dv = s:option(DummyValue, "_update_needed")
  58                 dv.titleref = DISP.build_url("admin", "system", "packages")
  59                 dv.rawhtml  = true
  60                 dv.title = font_red .. bold_on ..
  61                         translate("Software update required") .. bold_off .. font_off
  62                 dv.value = translate("The currently installed 'ddns-scripts' package did not support all available settings.") ..
  63                                 "<br />" ..
  64                                 translate("Please update to the current version!")
  65         end
  66
  67         -- DDNS Service disabled
  68         if not_enabled then
  69                 local dv = s:option(DummyValue, "_not_enabled")
  70                 dv.titleref = DISP.build_url("admin", "system", "startup")
  71                 dv.rawhtml  = true
  72                 dv.title = bold_on ..
  73                         translate("DDNS Autostart disabled") .. bold_off
  74                 dv.value = translate("Currently DDNS updates are not started at boot or on interface events." .. "<br />" ..
  75                                 "You can start/stop each configuration here. It will run until next reboot.")
  76         end
  77
  78         -- Show more hints on a separate page
  79         if show_hints then
  80                 local dv = s:option(DummyValue, "_separate")
  81                 dv.titleref = DISP.build_url("admin", "services", "ddns", "hints")
  82                 dv.rawhtml  = true
  83                 dv.title = bold_on ..
  84                         translate("Show more") .. bold_off
  85                 dv.value = translate("Follow this link" .. "<br />" ..
  86                                 "You will find more hints to optimize your system to run DDNS scripts with all options")
  87         end
  88 end
  89
  90 -- TableSection definition -- ##################################################
  91 ts = m:section( TypedSection, "service",
  92         translate("Overview"),
  93         translate("Below is a list of configured DDNS configurations and their current state.")
  94         .. "<br />"
  95         .. translate("If you want to send updates for IPv4 and IPv6 you need to define two separate Configurations "
  96                 .. "i.e. 'myddns_ipv4' and 'myddns_ipv6'")
  97         .. "<br />"
  98         .. [[<a href="]] .. DISP.build_url("admin", "services", "ddns", "global") .. [[">]]
  99         .. translate("To change global settings click here") .. [[</a>]] )
 100 ts.sectionhead = translate("Configuration")
 101 ts.template = "cbi/tblsection"
 102 ts.addremove = true
 103 ts.extedit = DISP.build_url("admin", "services", "ddns", "detail", "%s")
 104 function ts.create(self, name)
 105         AbstractSection.create(self, name)
 106         HTTP.redirect( self.extedit:format(name) )
 107 end
 108
 109 -- Lookup_Host and registered IP -- #################################################
 110 dom = ts:option(DummyValue, "_lookupIP",
 111         translate("Lookup Hostname") .. "<br />" .. translate("Registered IP") )
 112 dom.template = "ddns/overview_doubleline"
 113 function dom.set_one(self, section)
 114         local lookup = self.map:get(section, "lookup_host") or ""
 115         if lookup ~= "" then
 116                 return lookup
 117         else
 118                 return [[<em>]] .. translate("config error") .. [[</em>]]
 119         end
 120 end
 121 function dom.set_two(self, section)
 122         local lookup = self.map:get(section, "lookup_host") or ""
 123         if lookup == "" then return "" end
 124         local dnsserver = self.map:get(section, "dnsserver") or ""
 125         local use_ipv6 = tonumber(self.map:get(section, "use_ipv6") or 0)
 126         local force_ipversion = tonumber(self.map:get(section, "force_ipversion") or 0)
 127         local force_dnstcp = tonumber(self.map:get(section, "force_dnstcp") or 0)
 128         local command = [[/usr/lib/ddns/dynamic_dns_lucihelper.sh]]
 129         if not NXFS.access(command, "rwx", "rx", "rx") then
 130                 NXFS.chmod(command, 755)
 131         end
 132         command = command .. [[ get_registered_ip ]] .. lookup .. [[ ]] .. use_ipv6 ..
 133                 [[ ]] .. force_ipversion .. [[ ]] .. force_dnstcp .. [[ ]] .. dnsserver
 134         local ip = SYS.exec(command)
 135         if ip == "" then ip = translate("no data") end
 136         return ip
 137 end
 138
 139 -- enabled
 140 ena = ts:option( Flag, "enabled",
 141         translate("Enabled"))
 142 ena.template = "ddns/overview_enabled"
 143 ena.rmempty = false
 144
 145 -- show PID and next update
 146 upd = ts:option( DummyValue, "_update",
 147         translate("Last Update") .. "<br />" .. translate("Next Update"))
 148 upd.template = "ddns/overview_doubleline"
 149 function upd.set_one(self, section)     -- fill Last Update
 150         -- get/validate last update
 151         local uptime   = SYS.uptime()
 152         local lasttime = DDNS.get_lastupd(section)
 153         if lasttime > uptime then       -- /var might not be linked to /tmp and cleared on reboot
 154                 lasttime = 0
 155         end
 156
 157         -- no last update happen
 158         if lasttime == 0 then
 159                 return translate("never")
 160
 161         -- we read last update
 162         else
 163                 -- calc last update
 164                 --            os.epoch  - sys.uptime + lastupdate(uptime)
 165                 local epoch = os.time() - uptime + lasttime
 166                 -- use linux date to convert epoch
 167                 return DDNS.epoch2date(epoch)
 168         end
 169 end
 170 function upd.set_two(self, section)     -- fill Next Update
 171         -- get enabled state
 172         local enabled   = tonumber(self.map:get(section, "enabled") or 0)
 173         local datenext  = translate("unknown error")    -- formatted date of next update
 174
 175         -- get force seconds
 176         local force_interval = tonumber(self.map:get(section, "force_interval") or 72)
 177         local force_unit = self.map:get(section, "force_unit") or "hours"
 178         local force_seconds = DDNS.calc_seconds(force_interval, force_unit)
 179
 180         -- get last update and get/validate PID
 181         local uptime   = SYS.uptime()
 182         local lasttime = DDNS.get_lastupd(section)
 183         if lasttime > uptime then       -- /var might not be linked to /tmp and cleared on reboot
 184                 lasttime = 0
 185         end
 186         local pid      = DDNS.get_pid(section)
 187
 188         -- calc next update
 189         if lasttime > 0 then
 190                 local epoch = os.time() - uptime + lasttime + force_seconds
 191                 -- use linux date to convert epoch
 192                 datelast = DDNS.epoch2date(epoch)
 193         end
 194
 195         -- process running but update needs to happen
 196         if pid > 0 and ( lasttime + force_seconds - uptime ) < 0 then
 197                 datenext = translate("Verify")
 198
 199         -- run once
 200         elseif force_seconds == 0 then
 201                 datenext = translate("Run once")
 202
 203         -- no process running and NOT enabled
 204         elseif pid == 0 and enabled == 0 then
 205                 datenext  = translate("Disabled")
 206
 207         -- no process running and NOT
 208         elseif pid == 0 and enabled ~= 0 then
 209                 datenext = translate("Stopped")
 210         end
 211
 212         return datenext
 213 end
 214
 215 -- start/stop button
 216 btn = ts:option( Button, "_startstop",
 217         translate("Process ID") .. "<br />" .. translate("Start / Stop") )
 218 btn.template = "ddns/overview_startstop"
 219 function btn.cfgvalue(self, section)
 220         local pid = DDNS.get_pid(section)
 221         if pid > 0 then
 222                 btn.inputtitle  = "PID: " .. pid
 223                 btn.inputstyle  = "reset"
 224                 btn.disabled    = false
 225         elseif (self.map:get(section, "enabled") or "0") ~= "0" then
 226                 btn.inputtitle  = translate("Start")
 227                 btn.inputstyle  = "apply"
 228                 btn.disabled    = false
 229         else
 230                 btn.inputtitle  = "----------"
 231                 btn.inputstyle  = "button"
 232                 btn.disabled    = true
 233         end
 234         return true
 235 end
 236
 237 return m