applications/luci-app-adblock/luasrc/controller/adblock.lua

   1 -- Copyright 2017-2019 Dirk Brenken (dev@brenken.org)
   2 -- This is free software, licensed under the Apache License, Version 2.0
   3
   4 module("luci.controller.adblock", package.seeall)
   5
   6 local sys   = require("luci.sys")
   7 local util  = require("luci.util")
   8 local http  = require("luci.http")
   9 local i18n  = require("luci.i18n")
  10 local json  = require("luci.jsonc")
  11 local uci   = require("luci.model.uci").cursor()
  12
  13 function index()
  14         if not nixio.fs.access("/etc/config/adblock") then
  15                 return
  16         end
  17         entry({"admin", "services", "adblock"}, firstchild(), _("Adblock"), 30).dependent = false
  18         entry({"admin", "services", "adblock", "tab_from_cbi"}, cbi("adblock/overview_tab", {hideresetbtn=true, hidesavebtn=true}), _("Overview"), 10).leaf = true
  19         if nixio.fs.access("/usr/sbin/tcpdump") then
  20                 entry({"admin", "services", "adblock", "report"}, template("adblock/report"), _("DNS Query Report"), 20).leaf = true
  21         end
  22         entry({"admin", "services", "adblock", "log"}, template("adblock/logread"), _("Logfile"), 30).leaf = true
  23         entry({"admin", "services", "adblock", "advanced"}, firstchild(), _("Advanced"), 100)
  24         entry({"admin", "services", "adblock", "advanced", "blacklist"}, form("adblock/blacklist_tab"), _("Edit Blacklist"), 110).leaf = true
  25         entry({"admin", "services", "adblock", "advanced", "whitelist"}, form("adblock/whitelist_tab"), _("Edit Whitelist"), 120).leaf = true
  26         entry({"admin", "services", "adblock", "advanced", "configuration"}, form("adblock/configuration_tab"), _("Edit Configuration"), 130).leaf = true
  27         entry({"admin", "services", "adblock", "advanced", "query"}, template("adblock/query"), _("Query domains"), 140).leaf = true
  28         entry({"admin", "services", "adblock", "advanced", "result"}, call("queryData"), nil, 150).leaf = true
  29         entry({"admin", "services", "adblock", "logread"}, call("logread"), nil).leaf = true
  30         entry({"admin", "services", "adblock", "status_update"}, call("status_update"), nil).leaf = true
  31         entry({"admin", "services", "adblock", "report_json"}, call("report_json"), nil).leaf = true
  32         entry({"admin", "services", "adblock", "report_text"}, call("report_text"), nil).leaf = true
  33         entry({"admin", "services", "adblock", "action"}, call("adb_action"), nil).leaf = true
  34 end
  35
  36 function adb_action(name, ...)
  37         local domain = select(1, ...) or ""
  38         local search = select(2, ...) or "+"
  39         local count  = select(3, ...) or "50"
  40         local filter = select(4, ...) or "false"
  41         local print  = select(5, ...) or "false"
  42
  43         local report_params = {
  44                 search,
  45                 count,
  46                 filter,
  47                 print
  48         }
  49
  50         if name == "do_suspend" then
  51                 luci.sys.call("/etc/init.d/adblock suspend >/dev/null 2>&1")
  52         elseif name == "do_resume" then
  53                 luci.sys.call("/etc/init.d/adblock resume >/dev/null 2>&1")
  54         elseif name == "do_refresh" then
  55                 luci.sys.call("/etc/init.d/adblock reload >/dev/null 2>&1")
  56                 local pid_file = "/var/run/adblock.pid"
  57                 if nixio.fs.access(pid_file) then
  58                         repeat
  59                                 nixio.nanosleep(1)
  60                         until nixio.fs.readfile(pid_file) == ""
  61                 end
  62         elseif name == "do_report" then
  63                 luci.sys.call("/etc/init.d/adblock report " ..table.concat(report_params, " ").. " >/dev/null 2>&1")
  64                 local rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
  65                 repeat
  66                         nixio.nanosleep(1)
  67                 until not nixio.fs.access(rep_dir.. "/adb_report.raw")
  68         elseif name == "do_filter" then
  69                 luci.sys.call("/etc/init.d/adblock report " ..table.concat(report_params, " ").. " >/dev/null 2>&1")
  70                 local rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
  71                 repeat
  72                         nixio.nanosleep(1)
  73                 until nixio.fs.access(rep_dir.. "/adb_report.final")
  74         elseif name == "add_blacklist" then
  75                 local file = uci:get("adblock", "blacklist", "adb_src") or "/etc/adblock/adblock.blacklist"
  76                 if nixio.fs.access(file) then
  77                         local blacklist = nixio.fs.readfile(file)
  78                         if not string.find(blacklist, domain, 1, true)
  79                         then
  80                                 nixio.fs.writefile(file, blacklist.. domain.. "\n")
  81                         end
  82                 end
  83         elseif name == "add_whitelist" then
  84                 local file = uci:get("adblock", "global", "adb_whitelist") or "/etc/adblock/adblock.whitelist"
  85                 if nixio.fs.access(file) then
  86                         local whitelist = nixio.fs.readfile(file)
  87                         if not string.find(whitelist, domain, 1, true)
  88                         then
  89                                 nixio.fs.writefile(file, whitelist.. domain.. "\n")
  90                         end
  91                 end
  92         end
  93         luci.http.prepare_content("text/plain")
  94         luci.http.write("0")
  95 end
  96
  97 function status_update()
  98         local rt_file
  99         local content
 100
 101         rt_file = uci:get("adblock", "global", "adb_rtfile") or "/tmp/adb_runtime.json"
 102
 103         if nixio.fs.access(rt_file) then
 104                 content = json.parse(nixio.fs.readfile(rt_file) or "")
 105                 http.prepare_content("application/json")
 106                 http.write_json(content)
 107         end
 108 end
 109
 110 function report_json()
 111         local rep_dir
 112         local rep_file
 113         local content
 114
 115         rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
 116         rep_file = rep_dir.. "/adb_report.json"
 117         http.prepare_content("application/json")
 118
 119         if nixio.fs.access(rep_file) then
 120                 content = json.parse(nixio.fs.readfile(rep_file) or "")
 121                 http.write_json(content)
 122         else
 123                 http.write_json("{}")
 124         end
 125 end
 126
 127 function report_text()
 128         local file
 129         local rep_dir
 130         local rep_file
 131         local content
 132
 133         rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
 134         rep_file = rep_dir.. "/adb_report.final"
 135         http.prepare_content("text/plain")
 136
 137         if nixio.fs.access(rep_file) then
 138                 file = io.open(rep_file, "r")
 139                 content = file:read("*all")
 140                 file:close()
 141                 http.write(content)
 142         else
 143                 http.write("")
 144         end
 145 end
 146
 147 function logread()
 148         local content = util.trim(util.exec("logread -e 'adblock-'")) or ""
 149
 150         if content == "" then
 151                 content = "No adblock related logs yet!"
 152         end
 153         http.write(content)
 154 end
 155
 156 function queryData(domain)
 157         if domain then
 158                 luci.http.prepare_content("text/plain")
 159                 local cmd = "/etc/init.d/adblock query %s 2>&1"
 160                 local util = io.popen(cmd % util.shellquote(domain))
 161                 if util then
 162                         while true do
 163                                 local line = util:read("*l")
 164                                 if not line then
 165                                         break
 166                                 end
 167                                 luci.http.write(line)
 168                                 luci.http.write("\n")
 169                         end
 170                         util:close()
 171                 end
 172         end
 173 end