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" }
  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         if luci.http.formvalue("overwrite") == "true" then
  37                 cmd[#cmd + 1] = "--force-overwrite"
  38         end
  39
  40         cmd[#cmd + 1] = command
  41
  42         if pkg then
  43                 cmd[#cmd + 1] = pkg
  44         end
  45
  46         luci.http.prepare_content("application/json")
  47         luci.http.write_json(sys.process.exec(cmd, true, true))
  48 end
  49
  50 function action_statvfs()
  51         local fs = require "nixio.fs"
  52
  53         luci.http.prepare_content("application/json")
  54         luci.http.write_json(fs.statvfs("/") or {})
  55 end
  56
  57 function action_config()
  58         local fs = require "nixio.fs"
  59         local js = require "luci.jsonc"
  60         local data = luci.http.formvalue("data")
  61
  62         if data then
  63                 data = js.parse(data)
  64
  65                 if not data then
  66                         luci.http.status(400, "Bad Request")
  67                         return
  68                 end
  69
  70                 local file, content
  71                 for file, content in pairs(data) do
  72                         if type(content) ~= "string" or
  73                            (file ~= "opkg.conf" and not file:match("^opkg/[^/]+%.conf$"))
  74                         then
  75                                 luci.http.status(400, "Bad Request")
  76                                 return
  77                         end
  78
  79                         local path = "/etc/%s" % file
  80                         if not fs.access(path, "w") then
  81                                 luci.http.status(403, "Permission denied")
  82                                 return
  83                         end
  84
  85                         fs.writefile(path, content:gsub("\r\n", "\n"))
  86                 end
  87
  88                 luci.http.status(204, "Saved")
  89         else
  90                 local rv = { ["opkg.conf"] = fs.readfile("/etc/opkg.conf") }
  91                 local entries = fs.dir("/etc/opkg")
  92                 if entries then
  93                         local entry
  94                         for entry in entries do
  95                                 if entry:match("%.conf$") then
  96                                         rv["opkg/%s" % entry] = fs.readfile("/etc/opkg/%s" % entry)
  97                                 end
  98                         end
  99                 end
 100
 101                 luci.http.prepare_content("application/json")
 102                 luci.http.write_json(rv)
 103         end
 104 end