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

   1 -- Copyright 2018 Jo-Philipp Wich <jo@mein.io>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 module("luci.controller.opkg", package.seeall)
   5
   6 function index()
   7         entry({"admin", "system", "opkg"}, template("opkg"), _("Software"), 30)
   8         entry({"admin", "system", "opkg", "list"}, call("action_list")).leaf = true
   9         entry({"admin", "system", "opkg", "exec"}, post("action_exec")).leaf = true
  10         entry({"admin", "system", "opkg", "statvfs"}, call("action_statvfs")).leaf = true
  11         entry({"admin", "system", "opkg", "config"}, post_on({ data = true }, "action_config")).leaf = true
  12 end
  13
  14 function action_list(mode)
  15         local cmd
  16
  17         if mode == "installed" then
  18                 cmd = { "/bin/cat", "/usr/lib/opkg/status" }
  19         else
  20                 cmd = { "/bin/sh", "-c", [[find /tmp/opkg-lists/ -type f '!' -name '*.sig' | xargs -r gzip -cd]] }
  21         end
  22
  23         luci.http.prepare_content("text/plain; charset=utf-8")
  24         luci.sys.process.exec(cmd, luci.http.write)
  25 end
  26
  27 function action_exec(command, package)
  28         local sys = require "luci.sys"
  29         local cmd = { "/bin/opkg", "--force-removal-of-dependent-packages", "--force-overwrite" }
  30         local pkg = luci.http.formvalue("package")
  31
  32         if luci.http.formvalue("autoremove") == "true" then
  33                 cmd[#cmd + 1] = "--autoremove"
  34         end
  35
  36         cmd[#cmd + 1] = command
  37
  38         if pkg then
  39                 cmd[#cmd + 1] = pkg
  40         end
  41
  42         luci.http.prepare_content("application/json")
  43         luci.http.write_json(sys.process.exec(cmd, true, true))
  44 end
  45
  46 function action_statvfs()
  47         local fs = require "nixio.fs"
  48
  49         luci.http.prepare_content("application/json")
  50         luci.http.write_json(fs.statvfs("/") or {})
  51 end
  52
  53 function action_config()
  54         local fs = require "nixio.fs"
  55         local js = require "luci.jsonc"
  56         local data = luci.http.formvalue("data")
  57
  58         if data then
  59                 data = js.parse(data)
  60
  61                 if not data then
  62                         luci.http.status(400, "Bad Request")
  63                         return
  64                 end
  65
  66                 local file, content
  67                 for file, content in pairs(data) do
  68                         if type(content) ~= "string" or
  69                            (file ~= "opkg.conf" and not file:match("^opkg/[^/]+%.conf$"))
  70                         then
  71                                 luci.http.status(400, "Bad Request")
  72                                 return
  73                         end
  74
  75                         local path = "/etc/%s" % file
  76                         if not fs.access(path, "w") then
  77                                 luci.http.status(403, "Permission denied")
  78                                 return
  79                         end
  80
  81                         fs.writefile(path, content:gsub("\r\n", "\n"))
  82                 end
  83
  84                 luci.http.status(204, "Saved")
  85         else
  86                 local rv = { ["opkg.conf"] = fs.readfile("/etc/opkg.conf") }
  87                 local entries = fs.dir("/etc/opkg")
  88                 if entries then
  89                         local entry
  90                         for entry in entries do
  91                                 if entry:match("%.conf$") then
  92                                         rv["opkg/%s" % entry] = fs.readfile("/etc/opkg/%s" % entry)
  93                                 end
  94                         end
  95                 end
  96
  97                 luci.http.prepare_content("application/json")
  98                 luci.http.write_json(rv)
  99         end
 100 end