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

   1 -- Copyright 2017-2018 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         entry({"admin", "services", "adblock", "report"}, template("adblock/report"), _("DNS Query Report"), 20).leaf = true
  20         entry({"admin", "services", "adblock", "log"}, template("adblock/logread"), _("Logfile"), 30).leaf = true
  21         entry({"admin", "services", "adblock", "advanced"}, firstchild(), _("Advanced"), 100)
  22         entry({"admin", "services", "adblock", "advanced", "blacklist"}, form("adblock/blacklist_tab"), _("Edit Blacklist"), 110).leaf = true
  23         entry({"admin", "services", "adblock", "advanced", "whitelist"}, form("adblock/whitelist_tab"), _("Edit Whitelist"), 120).leaf = true
  24         entry({"admin", "services", "adblock", "advanced", "configuration"}, form("adblock/configuration_tab"), _("Edit Configuration"), 130).leaf = true
  25         entry({"admin", "services", "adblock", "advanced", "query"}, template("adblock/query"), _("Query domains"), 140).leaf = true
  26         entry({"admin", "services", "adblock", "advanced", "result"}, call("queryData"), nil, 150).leaf = true
  27         entry({"admin", "services", "adblock", "logread"}, call("logread"), nil).leaf = true
  28         entry({"admin", "services", "adblock", "status_update"}, call("status_update"), nil).leaf = true
  29         entry({"admin", "services", "adblock", "report_json"}, call("report_json"), nil).leaf = true
  30         entry({"admin", "services", "adblock", "report_text"}, call("report_text"), nil).leaf = true
  31         entry({"admin", "services", "adblock", "action"}, call("adb_action"), nil).leaf = true
  32 end
  33
  34 function adb_action(name, domain)
  35         if name == "do_suspend" then
  36                 luci.sys.call("/etc/init.d/adblock suspend >/dev/null 2>&1")
  37         elseif name == "do_resume" then
  38                 luci.sys.call("/etc/init.d/adblock resume >/dev/null 2>&1")
  39         elseif name == "do_refresh" then
  40                 luci.sys.call("/etc/init.d/adblock reload >/dev/null 2>&1")
  41                 local pid_file = "/var/run/adblock.pid"
  42                 if nixio.fs.access(pid_file) then
  43                         repeat
  44                                 nixio.nanosleep(1)
  45                         until nixio.fs.readfile(pid_file) == ""
  46                 end
  47         elseif name == "do_report" then
  48                 luci.sys.call("/etc/init.d/adblock report false >/dev/null 2>&1")
  49                 local rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
  50                 repeat
  51                         nixio.nanosleep(1)
  52                 until not nixio.fs.access(rep_dir.. "/adb_report.raw")
  53         elseif name == "add_blacklist" then
  54                 local file = uci:get("adblock", "blacklist", "adb_src") or "/etc/adblock/adblock.blacklist"
  55                 if nixio.fs.access(file) then
  56                         local blacklist = nixio.fs.readfile(file)
  57                         if not string.find(blacklist, domain, 1, true)
  58                         then
  59                                 nixio.fs.writefile(file, blacklist.. domain.. "\n")
  60                         end
  61                 end
  62         elseif name == "add_whitelist" then
  63                 local file = uci:get("adblock", "global", "adb_whitelist") or "/etc/adblock/adblock.whitelist"
  64                 if nixio.fs.access(file) then
  65                         local whitelist = nixio.fs.readfile(file)
  66                         if not string.find(whitelist, domain, 1, true)
  67                         then
  68                                 nixio.fs.writefile(file, whitelist.. domain.. "\n")
  69                         end
  70                 end
  71         end
  72         luci.http.prepare_content("text/plain")
  73         luci.http.write("0")
  74 end
  75
  76 function status_update()
  77         local rt_file
  78         local content
  79
  80         rt_file = uci:get("adblock", "global", "adb_rtfile") or "/tmp/adb_runtime.json"
  81
  82         if nixio.fs.access(rt_file) then
  83                 content = json.parse(nixio.fs.readfile(rt_file) or "")
  84                 http.prepare_content("application/json")
  85                 http.write_json(content)
  86         end
  87 end
  88
  89 function report_json()
  90         local rep_dir
  91         local rep_file
  92         local content
  93
  94         rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
  95         rep_file = rep_dir.. "/adb_report.json"
  96         http.prepare_content("application/json")
  97
  98         if nixio.fs.access(rep_file) then
  99                 content = json.parse(nixio.fs.readfile(rep_file) or "")
 100                 http.write_json(content)
 101         else
 102                 http.write_json("{}")
 103         end
 104 end
 105
 106 function report_text()
 107         local file
 108         local rep_dir
 109         local rep_file
 110         local content
 111
 112         rep_dir  = uci:get("adblock", "extra", "adb_repdir") or "/tmp"
 113         rep_file = rep_dir.. "/adb_report"
 114         http.prepare_content("text/plain")
 115
 116         if nixio.fs.access(rep_file) then
 117                 file = io.open(rep_file, "r")
 118                 content = file:read("*all")
 119                 file:close()
 120                 http.write(content)
 121         else
 122                 http.write("")
 123         end
 124 end
 125
 126 function logread()
 127         local content
 128
 129         if nixio.fs.access("/var/log/messages") then
 130                 content = util.trim(util.exec("grep -F 'adblock-' /var/log/messages"))
 131         else
 132                 content = util.trim(util.exec("logread -e 'adblock-'"))
 133         end
 134
 135         if content == "" then
 136                 content = "No adblock related logs yet!"
 137         end
 138         http.write(content)
 139 end
 140
 141 function queryData(domain)
 142         if domain then
 143                 luci.http.prepare_content("text/plain")
 144                 local cmd = "/etc/init.d/adblock query %s 2>&1"
 145                 local util = io.popen(cmd % util.shellquote(domain))
 146                 if util then
 147                         while true do
 148                                 local line = util:read("*l")
 149                                 if not line then
 150                                         break
 151                                 end
 152                                 luci.http.write(line)
 153                                 luci.http.write("\n")
 154                         end
 155                         util:close()
 156                 end
 157         end
 158 end