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         elseif name == "do_report" then
  57                 luci.sys.call("/etc/init.d/adblock report " ..table.concat(report_params, " ").. " >/dev/null 2>&1")
  58                 local rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
  59                 repeat
  60                         nixio.nanosleep(1)
  61                 until not nixio.fs.access(rep_dir.. "/adb_report.raw")
  62         elseif name == "do_filter" 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 nixio.fs.access(rep_dir.. "/adb_report.final")
  68         elseif name == "add_blacklist" then
  69                 local file = uci:get("adblock", "blacklist", "adb_src") or "/etc/adblock/adblock.blacklist"
  70                 if nixio.fs.access(file) then
  71                         local blacklist = nixio.fs.readfile(file)
  72                         if not string.find(blacklist, domain, 1, true)
  73                         then
  74                                 nixio.fs.writefile(file, blacklist.. domain.. "\n")
  75                         end
  76                 end
  77         elseif name == "add_whitelist" then
  78                 local file = uci:get("adblock", "global", "adb_whitelist") or "/etc/adblock/adblock.whitelist"
  79                 if nixio.fs.access(file) then
  80                         local whitelist = nixio.fs.readfile(file)
  81                         if not string.find(whitelist, domain, 1, true)
  82                         then
  83                                 nixio.fs.writefile(file, whitelist.. domain.. "\n")
  84                         end
  85                 end
  86         end
  87         if name == "do_suspend" or name == "do_resume" or name == "do_refresh" then
  88                 local pid_file = "/var/run/adblock.pid"
  89                 if nixio.fs.access(pid_file) then
  90                         repeat
  91                                 nixio.nanosleep(1)
  92                         until nixio.fs.readfile(pid_file) == ""
  93                 end
  94         end
  95         luci.http.prepare_content("text/plain")
  96         luci.http.write("0")
  97 end
  98
  99 function status_update()
 100         local rt_file
 101         local content
 102
 103         rt_file = uci:get("adblock", "global", "adb_rtfile") or "/tmp/adb_runtime.json"
 104
 105         if nixio.fs.access(rt_file) then
 106                 content = json.parse(nixio.fs.readfile(rt_file) or "")
 107                 http.prepare_content("application/json")
 108                 http.write_json(content)
 109         end
 110 end
 111
 112 function report_json()
 113         local rep_dir
 114         local rep_file
 115         local content
 116
 117         rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
 118         rep_file = rep_dir.. "/adb_report.json"
 119         http.prepare_content("application/json")
 120
 121         if nixio.fs.access(rep_file) then
 122                 content = json.parse(nixio.fs.readfile(rep_file) or "")
 123                 http.write_json(content)
 124         else
 125                 http.write_json("{}")
 126         end
 127 end
 128
 129 function report_text()
 130         local file
 131         local rep_dir
 132         local rep_file
 133         local content
 134
 135         rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
 136         rep_file = rep_dir.. "/adb_report.final"
 137         http.prepare_content("text/plain")
 138
 139         if nixio.fs.access(rep_file) then
 140                 file = io.open(rep_file, "r")
 141                 content = file:read("*all")
 142                 file:close()
 143                 http.write(content)
 144         else
 145                 http.write("")
 146         end
 147 end
 148
 149 function logread()
 150         local content = util.trim(util.exec("logread -e 'adblock-'")) or ""
 151
 152         if content == "" then
 153                 content = "No adblock related logs yet!"
 154         end
 155         http.write(content)
 156 end
 157
 158 function queryData(domain)
 159         if domain then
 160                 luci.http.prepare_content("text/plain")
 161                 local cmd = "/etc/init.d/adblock query %s 2>&1"
 162                 local util = io.popen(cmd % util.shellquote(domain))
 163                 if util then
 164                         while true do
 165                                 local line = util:read("*l")
 166                                 if not line then
 167                                         break
 168                                 end
 169                                 luci.http.write(line)
 170                                 luci.http.write("\n")
 171                         end
 172                         util:close()
 173                 end
 174         end
 175 end