luci-app-ddns: convert to client side implementation

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>

1 files changed, 1 insertions, 329 deletions

diff --git a/applications/luci-app-ddns/luasrc/controller/ddns.lua b/applications/luci-app-ddns/luasrc/controller/ddns.lua
index 24735289e0..247edef321 100755
--- a/applications/luci-app-ddns/luasrc/controller/ddns.lua
+++ b/applications/luci-app-ddns/luasrc/controller/ddns.lua
@@ -6,334 +6,6 @@
 
 module("luci.controller.ddns", package.seeall)
 
-local NX   = require "nixio"
-local NXFS = require "nixio.fs"
-local DISP = require "luci.dispatcher"
-local HTTP = require "luci.http"
-local I18N = require "luci.i18n" 		-- not globally avalible here
-local IPKG = require "luci.model.ipkg"
-local SYS  = require "luci.sys"
-local UCI  = require "luci.model.uci"
-local UTIL = require "luci.util"
-local DDNS = require "luci.tools.ddns"		-- ddns multiused functions
-
-luci_helper = "/usr/lib/ddns/dynamic_dns_lucihelper.sh"
-
-local srv_name    = "ddns-scripts"
-local srv_ver_min = "2.7.7"			-- minimum version of service required
-local app_name    = "luci-app-ddns"
-local app_title   = "Dynamic DNS"
-local app_version = "2.4.9-1"
-
-local translate = I18N.translate
-
 function index()
-	local nxfs	= require "nixio.fs"		-- global definitions not available
-	local sys	= require "luci.sys"		-- in function index()
-	local muci	= require "luci.model.uci"
-
-	-- no config create an empty one
-	if not nxfs.access("/etc/config/ddns") then
-		nxfs.writefile("/etc/config/ddns", "")
-	end
-
-	-- preset new option "lookup_host" if not already defined
-	local uci = muci.cursor()
-	local commit = false
-	uci:foreach("ddns", "service", function (s)
-		if not s["lookup_host"] and s["domain"] then
-			uci:set("ddns", s[".name"], "lookup_host", s["domain"])
-			commit = true
-		end
-	end)
-	if commit then uci:commit("ddns") end
-	uci:unload("ddns")
-
-	entry( {"admin", "services", "ddns"}, cbi("ddns/overview"), _("Dynamic DNS"), 59)
-	entry( {"admin", "services", "ddns", "detail"}, cbi("ddns/detail"), nil ).leaf = true
-	entry( {"admin", "services", "ddns", "hints"}, cbi("ddns/hints",
-		{hideapplybtn=true, hidesavebtn=true, hideresetbtn=true}), nil ).leaf = true
-	entry( {"admin", "services", "ddns", "global"}, cbi("ddns/global"), nil ).leaf = true
-	entry( {"admin", "services", "ddns", "logview"}, call("logread") ).leaf = true
-	entry( {"admin", "services", "ddns", "startstop"}, post("startstop") ).leaf = true
-	entry( {"admin", "services", "ddns", "status"}, call("status") ).leaf = true
-end
-
--- Application specific information functions
-function app_description()
-	local tmp = {}
-	tmp[#tmp+1] =	translate("Dynamic DNS allows that your router can be reached with \
-								a fixed hostname while having a dynamically changing IP address.")
-	tmp[#tmp+1] =	[[<br />]]
-	tmp[#tmp+1] =	translate("OpenWrt Wiki") .. ": "
-	tmp[#tmp+1] =	[[<a href="https://openwrt.org/docs/guide-user/services/ddns/client" target="_blank">]]
-	tmp[#tmp+1] =	translate("DDNS Client Documentation")
-	tmp[#tmp+1] =	[[</a>]]
-	tmp[#tmp+1] =	" --- "
-	tmp[#tmp+1] =	[[<a href="https://openwrt.org/docs/guide-user/base-system/ddns" target="_blank">]]
-	tmp[#tmp+1] =	translate("DDNS Client Configuration")
-	tmp[#tmp+1] =	[[</a>]]
-	
-	return table.concat(tmp)
-end
-function app_title_back()
-	local tmp = {}
-	tmp[#tmp+1] = 	[[<a href="]]
-	tmp[#tmp+1] =	DISP.build_url("admin", "services", "ddns")
-	tmp[#tmp+1] =	[[">]]
-	tmp[#tmp+1] =	  translate(app_title)
-	tmp[#tmp+1] = 	[[</a>]]
-	return table.concat(tmp)
-end
-
--- Standardized application/service functions
-function app_title_main()
-	local tmp = {}
-	tmp[#tmp+1] = 	[[<a href="javascript:alert(']]
-	tmp[#tmp+1] = 		 translate("Version Information")
-	tmp[#tmp+1] = 		 [[\n\n]] .. app_name
-	tmp[#tmp+1] = 		 [[\n]] .. translate("Version") .. [[: ]] .. app_version
-	tmp[#tmp+1] = 		 [[\n\n]] .. srv_name .. [[ ]] .. translate("required") .. [[:]]
-	tmp[#tmp+1] = 		 [[\n]] .. translate("Version") .. [[: ]]
-	tmp[#tmp+1] = 			 srv_ver_min .. [[ ]] .. translate("or higher")
-	tmp[#tmp+1] = 		 [[\n\n]] .. srv_name .. [[ ]] .. translate("installed") .. [[:]]
-	tmp[#tmp+1] = 		 [[\n]] .. translate("Version") .. [[: ]]
-	tmp[#tmp+1] = 			 (service_version() or translate("NOT installed"))
-	tmp[#tmp+1] = 		 [[\n\n]]
-	tmp[#tmp+1] = 	 [[')">]]
-	tmp[#tmp+1] = 	 translate(app_title)
-	tmp[#tmp+1] = 	 [[</a>]]
-		
-	return table.concat(tmp)
-end
-
-function service_version()
-	
-	local srv_ver_cmd = luci_helper .. " -V | awk {'print $2'} "
-	local ver
-
-	if IPKG then
-		ver = IPKG.info(srv_name)[srv_name].Version
-	else
-		ver = UTIL.exec(srv_ver_cmd)
-	end
-	
-	if ver and #ver > 0 then return ver or nil end
-	
-end
-
-function service_ok()
-	return	IPKG.compare_versions((service_version() or "0"), ">=", srv_ver_min)
-end
-
--- internal function to read all sections status and return data array
-local function _get_status()
-	local uci	 = UCI.cursor()
-	local service	 = SYS.init.enabled("ddns") and 1 or 0
-	local url_start	 = DISP.build_url("admin", "system", "startup")
-	local data	 = {}	-- Array to transfer data to javascript
-
-	data[#data+1] 	= {
-		enabled	   = service,		-- service enabled
-		url_up	   = url_start,		-- link to enable DDS (System-Startup)
-	}
-
-	uci:foreach("ddns", "service", function (s)
-
-		-- Get section we are looking at
-		-- and enabled state
-		local section	= s[".name"]
-		local enabled	= tonumber(s["enabled"]) or 0
-		local datelast	= "_empty_"	-- formatted date of last update
-		local datenext	= "_empty_"	-- formatted date of next update
-		local datenextstat = nil
-
-		-- get force seconds
-		local force_seconds = DDNS.calc_seconds(
-				tonumber(s["force_interval"]) or 72 ,
-				s["force_unit"] or "hours" )
-		-- get/validate pid and last update
-		local pid      = DDNS.get_pid(section)
-		local uptime   = SYS.uptime()
-		local lasttime = DDNS.get_lastupd(section)
-		if lasttime > uptime then 	-- /var might not be linked to /tmp
-			lasttime = 0 		-- and/or not cleared on reboot
-		end
-
-		-- no last update happen
-		if lasttime == 0 then
-			datelast = "_never_"
-
-		-- we read last update
-		else
-			-- calc last update
-			--             sys.epoch - sys uptime   + lastupdate(uptime)
-			local epoch = os.time() - uptime + lasttime
-			-- use linux date to convert epoch
-			datelast = DDNS.epoch2date(epoch)
-			-- calc and fill next update
-			datenext = DDNS.epoch2date(epoch + force_seconds)
-		end
-
-		-- process running but update needs to happen
-		-- problems if force_seconds > uptime
-		force_seconds = (force_seconds > uptime) and uptime or force_seconds
-		if pid > 0 and ( lasttime + force_seconds - uptime ) <= 0 then
-			datenext = "_verify_"
-			datenextstat = translate("Verify")
-
-		-- run once
-		elseif force_seconds == 0 then
-			datenext = "_runonce_"
-			datenextstat = translate("Run once")
-
-		-- no process running and NOT enabled
-		elseif pid == 0 and enabled == 0 then
-			datenext  = "_disabled_"
-			datenextstat = translate("Disabled")
-
-		-- no process running and enabled
-		elseif pid == 0 and enabled ~= 0 then
-			datenext = "_stopped_"
-			datenextstat = translate("Stopped")
-		end
-
-		-- get/set monitored interface and IP version
-		local iface	= s["interface"] or "wan"
-		local use_ipv6	= tonumber(s["use_ipv6"]) or 0
-		local ipv = (use_ipv6 == 1) and "IPv6" or "IPv4"
-		iface = ipv .. " / " .. iface
-
-		-- try to get registered IP
-		local lookup_host = s["lookup_host"] or "_nolookup_"
-
-		local chk_sec  = DDNS.calc_seconds(
-					tonumber(s["check_interval"]) or 10,
-					s["check_unit"] or "minutes" )
-		local reg_ip = DDNS.get_regip(section, chk_sec)
-		
-		if reg_ip == "NOFILE" then
-			local dnsserver	= s["dns_server"] or ""
-			local force_ipversion = tonumber(s["force_ipversion"] or 0)
-			local force_dnstcp = tonumber(s["force_dnstcp"] or 0)
-			local is_glue = tonumber(s["is_glue"] or 0)
-			local command = luci_helper .. [[ -]]
-			if (use_ipv6 == 1) then command = command .. [[6]] end
-			if (force_ipversion == 1) then command = command .. [[f]] end
-			if (force_dnstcp == 1) then command = command .. [[t]] end
-			if (is_glue == 1) then command = command .. [[g]] end
-			command = command .. [[l ]] .. lookup_host
-			command = command .. [[ -S ]] .. section
-			if (#dnsserver > 0) then command = command .. [[ -d ]] .. dnsserver end
-			command = command .. [[ -- get_registered_ip]]
-			reg_ip = SYS.exec(command)
-		end
-
-		-- fill transfer array
-		data[#data+1]	= {
-			section  = section,
-			enabled  = enabled,
-			iface    = iface,
-			lookup   = lookup_host,
-			reg_ip   = reg_ip,
-			pid      = pid,
-			datelast = datelast,
-			datenext = datenext,
-			datenextstat = datenextstat
-		}
-	end)
-
-	uci:unload("ddns")
-	return data
-end
-
--- called by XHR.get from detail_logview.htm
-function logread(section)
-	-- read application settings
-	local uci	= UCI.cursor()
-	local ldir	= uci:get("ddns", "global", "ddns_logdir") or "/var/log/ddns"
-	local lfile	= ldir .. "/" .. section .. ".log"
-	local ldata	= NXFS.readfile(lfile)
-
-	if not ldata or #ldata == 0 then
-		ldata="_nodata_"
-	end
-	uci:unload("ddns")
-	HTTP.write(ldata)
-end
-
--- called by XHR.get from overview_status.htm
-function startstop(section, enabled)
-	local uci  = UCI.cursor()
-	local pid  = DDNS.get_pid(section)
-	local data = {}		-- Array to transfer data to javascript
-
-	-- if process running we want to stop and return
-	if pid > 0 then
-		local tmp = NX.kill(pid, 15)	-- terminate
-		NX.nanosleep(2)	-- 2 second "show time"
-		-- status changed so return full status
-		data = _get_status()
-		HTTP.prepare_content("application/json")
-		HTTP.write_json(data)
-		return
-	end
-
-	-- read uncommitted changes
-	-- we don't save and commit data from other section or other options
-	-- only enabled will be done
-	local exec	  = true
-	local changed     = uci:changes("ddns")
-	for k_config, v_section in pairs(changed) do
-		-- security check because uci.changes only gets our config
-		if k_config ~= "ddns" then
-			exec = false
-			break
-		end
-		for k_section, v_option in pairs(v_section) do
-			-- check if only section of button was changed
-			if k_section ~= section then
-				exec = false
-				break
-			end
-			for k_option, v_value in pairs(v_option) do
-				-- check if only enabled was changed
-				if k_option ~= "enabled" then
-					exec = false
-					break
-				end
-			end
-		end
-	end
-
-	-- we can not execute because other
-	-- uncommitted changes pending, so exit here
-	if not exec then
-		HTTP.write("_uncommitted_")
-		return
-	end
-
-	-- save enable state
-	uci:set("ddns", section, "enabled", ( (enabled == "true") and "1" or "0") )
-	uci:save("ddns")
-	uci:commit("ddns")
-	uci:unload("ddns")
-
-	-- start ddns-updater for section
-	local command = "%s -S %s -- start" %{ luci_helper, UTIL.shellquote(section) }
-	os.execute(command)
-	NX.nanosleep(3)	-- 3 seconds "show time"
-
-	-- status changed so return full status
-	data = _get_status()
-	HTTP.prepare_content("application/json")
-	HTTP.write_json(data)
+	entry( {"admin", "services", "ddns"}, view("ddns/overview"), _("Dynamic DNS"), 59)
 end
-
--- called by XHR.poll from overview_status.htm
-function status()
-	local data = _get_status()
-	HTTP.prepare_content("application/json")
-	HTTP.write_json(data)
-end
-