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-- Copyright 2017-2018 Dirk Brenken (dev@brenken.org)
-- This is free software, licensed under the Apache License, Version 2.0
module("luci.controller.adblock", package.seeall)
local sys = require("luci.sys")
local util = require("luci.util")
local http = require("luci.http")
local i18n = require("luci.i18n")
local json = require("luci.jsonc")
local uci = require("luci.model.uci").cursor()
function index()
if not nixio.fs.access("/etc/config/adblock") then
return
end
entry({"admin", "services", "adblock"}, firstchild(), _("Adblock"), 30).dependent = false
entry({"admin", "services", "adblock", "tab_from_cbi"}, cbi("adblock/overview_tab", {hideresetbtn=true, hidesavebtn=true}), _("Overview"), 10).leaf = true
entry({"admin", "services", "adblock", "report"}, template("adblock/report"), _("DNS Query Report"), 20).leaf = true
entry({"admin", "services", "adblock", "log"}, template("adblock/logread"), _("Logfile"), 30).leaf = true
entry({"admin", "services", "adblock", "advanced"}, firstchild(), _("Advanced"), 100)
entry({"admin", "services", "adblock", "advanced", "blacklist"}, form("adblock/blacklist_tab"), _("Edit Blacklist"), 110).leaf = true
entry({"admin", "services", "adblock", "advanced", "whitelist"}, form("adblock/whitelist_tab"), _("Edit Whitelist"), 120).leaf = true
entry({"admin", "services", "adblock", "advanced", "configuration"}, form("adblock/configuration_tab"), _("Edit Configuration"), 130).leaf = true
entry({"admin", "services", "adblock", "advanced", "query"}, template("adblock/query"), _("Query domains"), 140).leaf = true
entry({"admin", "services", "adblock", "advanced", "result"}, call("queryData"), nil, 150).leaf = true
entry({"admin", "services", "adblock", "logread"}, call("logread"), nil).leaf = true
entry({"admin", "services", "adblock", "status_update"}, call("status_update"), nil).leaf = true
entry({"admin", "services", "adblock", "report_json"}, call("report_json"), nil).leaf = true
entry({"admin", "services", "adblock", "report_text"}, call("report_text"), nil).leaf = true
entry({"admin", "services", "adblock", "action"}, call("adb_action"), nil).leaf = true
end
function adb_action(name, domain)
if name == "do_suspend" then
luci.sys.call("/etc/init.d/adblock suspend >/dev/null 2>&1")
elseif name == "do_resume" then
luci.sys.call("/etc/init.d/adblock resume >/dev/null 2>&1")
elseif name == "do_refresh" then
luci.sys.call("/etc/init.d/adblock reload >/dev/null 2>&1")
local pid_file = "/var/run/adblock.pid"
if nixio.fs.access(pid_file) then
repeat
nixio.nanosleep(1)
until nixio.fs.readfile(pid_file) == ""
end
elseif name == "do_report" then
luci.sys.call("/etc/init.d/adblock report false >/dev/null 2>&1")
local rep_dir = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
repeat
nixio.nanosleep(1)
until not nixio.fs.access(rep_dir.. "/adb_report.raw")
elseif name == "add_blacklist" then
local file = uci:get("adblock", "blacklist", "adb_src") or "/etc/adblock/adblock.blacklist"
if nixio.fs.access(file) then
local blacklist = nixio.fs.readfile(file)
if not string.find(blacklist, domain, 1, true)
then
nixio.fs.writefile(file, blacklist.. domain.. "\n")
end
end
elseif name == "add_whitelist" then
local file = uci:get("adblock", "global", "adb_whitelist") or "/etc/adblock/adblock.whitelist"
if nixio.fs.access(file) then
local whitelist = nixio.fs.readfile(file)
if not string.find(whitelist, domain, 1, true)
then
nixio.fs.writefile(file, whitelist.. domain.. "\n")
end
end
end
luci.http.prepare_content("text/plain")
luci.http.write("0")
end
function status_update()
local rt_file
local content
rt_file = uci:get("adblock", "global", "adb_rtfile") or "/tmp/adb_runtime.json"
if nixio.fs.access(rt_file) then
content = json.parse(nixio.fs.readfile(rt_file) or "")
http.prepare_content("application/json")
http.write_json(content)
end
end
function report_json()
local rep_dir
local rep_file
local content
rep_dir = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
rep_file = rep_dir.. "/adb_report.json"
http.prepare_content("application/json")
if nixio.fs.access(rep_file) then
content = json.parse(nixio.fs.readfile(rep_file) or "")
http.write_json(content)
else
http.write_json("{}")
end
end
function report_text()
local file
local rep_dir
local rep_file
local content
rep_dir = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
rep_file = rep_dir.. "/adb_report"
http.prepare_content("text/plain")
if nixio.fs.access(rep_file) then
file = io.open(rep_file, "r")
content = file:read("*all")
file:close()
http.write(content)
else
http.write("")
end
end
function logread()
local content
if nixio.fs.access("/var/log/messages") then
content = util.trim(util.exec("grep -F 'adblock-' /var/log/messages"))
else
content = util.trim(util.exec("logread -e 'adblock-'"))
end
if content == "" then
content = "No adblock related logs yet!"
end
http.write(content)
end
function queryData(domain)
if domain then
luci.http.prepare_content("text/plain")
local cmd = "/etc/init.d/adblock query %s 2>&1"
local util = io.popen(cmd % util.shellquote(domain))
if util then
while true do
local line = util:read("*l")
if not line then
break
end
luci.http.write(line)
luci.http.write("\n")
end
util:close()
end
end
end
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