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-- Copyright 2014 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
-- Licensed under the Apache License, Version 2.0
module("luci.controller.radicale", 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 UTIL = require("luci.util")
local SYS = require("luci.sys")
function index()
entry( {"admin", "services", "radicale"}, alias("admin", "services", "radicale", "edit"), _("CalDAV/CardDAV"), 58)
entry( {"admin", "services", "radicale", "edit"}, cbi("radicale") ).leaf = true
entry( {"admin", "services", "radicale", "logview"}, call("_logread") ).leaf = true
entry( {"admin", "services", "radicale", "startstop"}, call("_startstop") ).leaf = true
entry( {"admin", "services", "radicale", "status"}, call("_status") ).leaf = true
end
-- called by XHR.get from detail_logview.htm
function _logread()
-- read application settings
local uci = UCI.cursor()
local logfile = uci:get("radicale", "radicale", "logfile") or "/var/log/radicale"
uci:unload("radicale")
local ldata=NXFS.readfile(logfile)
if not ldata or #ldata == 0 then
ldata="_nodata_"
end
HTTP.write(ldata)
end
-- called by XHR.get from detail_startstop.htm
function _startstop()
local pid = get_pid()
if pid > 0 then
SYS.call("/etc/init.d/radicale stop")
NX.nanosleep(1) -- sleep a second
if NX.kill(pid, 0) then -- still running
NX.kill(pid, 9) -- send SIGKILL
end
pid = 0
else
SYS.call("/etc/init.d/radicale start")
NX.nanosleep(1) -- sleep a second
pid = get_pid()
if pid > 0 and not NX.kill(pid, 0) then
pid = 0 -- process did not start
end
end
HTTP.write(tostring(pid)) -- HTTP needs string not number
end
-- called by XHR.poll from detail_startstop.htm
function _status()
local pid = get_pid()
HTTP.write(tostring(pid)) -- HTTP needs string not number
end
-- Application / Service specific information functions ########################
function luci_app_name()
return "luci-app-radicale"
end
function service_name()
return "radicale"
end
function service_required()
return "0.10-1"
end
function service_installed()
local v = ipkg_ver_installed("radicale-py2")
if not v or #v == 0 then v = ipkg_ver_installed("radicale-py3") end
if not v or #v == 0 then v = "0" end
return v
end
function service_ok()
return ipkg_ver_compare(service_installed(),">=",service_required())
end
function app_title_main()
return [[</a><a href="javascript:alert(']]
.. I18N.translate("Version Information")
.. [[\n\n]] .. luci_app_name()
.. [[\n\t]] .. I18N.translate("Version") .. [[:\t]]
.. (ipkg_ver_installed(luci_app_name()) == ""
and I18N.translate("NOT installed")
or ipkg_ver_installed(luci_app_name()) )
.. [[\n\n]] .. service_name() .. [[ ]] .. I18N.translate("required") .. [[:]]
.. [[\n\t]] .. I18N.translate("Version") .. [[:\t]]
.. service_required() .. [[ ]] .. I18N.translate("or higher")
.. [[\n\n]] .. service_name() .. [[ ]] .. I18N.translate("installed") .. [[:]]
.. [[\n\t]] .. I18N.translate("Version") .. [[:\t]]
.. (service_installed() == "0"
and I18N.translate("NOT installed")
or service_installed())
.. [[\n\n]]
.. [[')">]]
.. I18N.translate("Radicale CalDAV/CardDAV Server")
end
function app_title_back()
return [[</a><a href="]]
.. DISP.build_url("admin", "services", "radicale")
.. [[">]]
.. I18N.translate("Radicale CalDAV/CardDAV Server")
end
function app_description()
return I18N.translate("The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.") .. [[<br />]]
.. I18N.translate("Calendars and address books are available for both local and remote access, possibly limited through authentication policies.") .. [[<br />]]
.. I18N.translate("They can be viewed and edited by calendar and contact clients on mobile phones or computers.")
end
-- other multiused functions ###################################################
--return pid of running process
function get_pid()
return tonumber(SYS.exec([[ps | grep "[p]ython.*[r]adicale" 2>/dev/null | awk '{print $1}']])) or 0
end
-- compare versions using "<=" "<" ">" ">=" "=" "<<" ">>"
function ipkg_ver_compare(ver1, comp, ver2)
if not ver1 or not (#ver1 > 0)
or not ver2 or not (#ver2 > 0)
or not comp or not (#comp > 0) then return nil end
-- correct compare string
if comp == "<>" or comp == "><" or comp == "!=" or comp == "~=" then comp = "~="
elseif comp == "<=" or comp == "<" or comp == "=<" then comp = "<="
elseif comp == ">=" or comp == ">" or comp == "=>" then comp = ">="
elseif comp == "=" or comp == "==" then comp = "=="
elseif comp == "<<" then comp = "<"
elseif comp == ">>" then comp = ">"
else return nil end
local av1 = UTIL.split(ver1, "[%.%-]", nil, true)
local av2 = UTIL.split(ver2, "[%.%-]", nil, true)
for i = 1, math.max(table.getn(av1),table.getn(av2)), 1 do
local s1 = av1[i] or ""
local s2 = av2[i] or ""
local n1 = tonumber(s1)
local n2 = tonumber(s2)
-- one numeric and other empty string then set other to 0
if n1 and not n2 and (not s2 or #s2 == 0) then n2 = 0 end
if n2 and not n1 and (not s1 or #s1 == 0) then n1 = 0 end
local nc = (n1 and n2) -- numeric compare
if nc then
-- first "not equal" found return true
if comp == "~=" and (n1 ~= n2) then return true end
-- first "lower" found return true
if (comp == "<" or comp == "<=") and (n1 < n2) then return true end
-- first "greater" found return true
if (comp == ">" or comp == ">=") and (n1 > n2) then return true end
-- not equal then return false
if (n1 ~= n2) then return false end
else
if comp == "~=" and (s1 ~= s2) then return true end
if (comp == "<" or comp == "<=") and (s1 < s2) then return true end
if (comp == ">" or comp == ">=") and (s1 > s2) then return true end
if (s1 ~= s2) then return false end
end
end
-- all equal then true
return true
end
-- read version information for given package if installed
function ipkg_ver_installed(pkg)
local version = ""
local control = io.open("/usr/lib/opkg/info/%s.control" % pkg, "r")
if control then
local ln
repeat
ln = control:read("*l")
if ln and ln:match("^Version: ") then
version = ln:gsub("^Version: ", "")
break
end
until not ln
control:close()
end
return version
end
-- replacement of build-in Flag.parse of cbi.lua
-- modified to mark section as changed if value changes
-- current parse did not do this, but it is done AbstaractValue.parse()
function flag_parse(self, section)
local fexists = self.map:formvalue(
luci.cbi.FEXIST_PREFIX .. self.config .. "." .. section .. "." .. self.option)
if fexists then
local fvalue = self:formvalue(section) and self.enabled or self.disabled
local cvalue = self:cfgvalue(section)
if fvalue ~= self.default or (not self.optional and not self.rmempty) then
self:write(section, fvalue)
else
self:remove(section)
end
if (fvalue ~= cvalue) then self.section.changed = true end
else
self:remove(section)
self.section.changed = true
end
end
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