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 util = require "luci.util"
  16         local cmd
  17
  18         if mode == "installed" then
  19                 cmd = { "/bin/cat", "/usr/lib/opkg/status" }
  20         else
  21                 local lists_dir = nil
  22
  23                 local fd = io.popen([[sed -rne 's#^lists_dir \S+ (\S+)#\1#p' /etc/opkg.conf /etc/opkg/*.conf 2>/dev/null]], "r")
  24                 if fd then
  25                         lists_dir = fd:read("*l")
  26                         fd:close()
  27                 end
  28
  29                 if not lists_dir or #lists_dir == "" then
  30                         lists_dir = "/tmp/opkg-lists"
  31                 end
  32
  33                 cmd = { "/bin/sh", "-c", [[find %s -type f '!' -name '*.sig' | xargs -r gzip -cd]] % util.shellquote(lists_dir) }
  34         end
  35
  36         luci.http.prepare_content("text/plain; charset=utf-8")
  37         luci.sys.process.exec(cmd, luci.http.write)
  38 end
  39
  40 function action_exec(command, package)
  41         local sys = require "luci.sys"
  42         local cmd = { "/bin/opkg", "--force-removal-of-dependent-packages" }
  43         local pkg = luci.http.formvalue("package")
  44
  45         if luci.http.formvalue("autoremove") == "true" then
  46                 cmd[#cmd + 1] = "--autoremove"
  47         end
  48
  49         if luci.http.formvalue("overwrite") == "true" then
  50                 cmd[#cmd + 1] = "--force-overwrite"
  51         end
  52
  53         cmd[#cmd + 1] = command
  54
  55         if pkg then
  56                 cmd[#cmd + 1] = pkg
  57         end
  58
  59         luci.http.prepare_content("application/json")
  60         luci.http.write_json(sys.process.exec(cmd, true, true))
  61 end
  62
  63 function action_statvfs()
  64         local fs = require "nixio.fs"
  65
  66         luci.http.prepare_content("application/json")
  67         luci.http.write_json(fs.statvfs("/") or {})
  68 end
  69
  70 function action_config()
  71         local fs = require "nixio.fs"
  72         local js = require "luci.jsonc"
  73         local data = luci.http.formvalue("data")
  74
  75         if data then
  76                 data = js.parse(data)
  77
  78                 if not data then
  79                         luci.http.status(400, "Bad Request")
  80                         return
  81                 end
  82
  83                 local file, content
  84                 for file, content in pairs(data) do
  85                         if type(content) ~= "string" or
  86                            (file ~= "opkg.conf" and not file:match("^opkg/[^/]+%.conf$"))
  87                         then
  88                                 luci.http.status(400, "Bad Request")
  89                                 return
  90                         end
  91
  92                         local path = "/etc/%s" % file
  93                         if not fs.access(path, "w") then
  94                                 luci.http.status(403, "Permission denied")
  95                                 return
  96                         end
  97
  98                         fs.writefile(path, content:gsub("\r\n", "\n"))
  99                 end
 100
 101                 luci.http.status(204, "Saved")
 102         else
 103                 local rv = { ["opkg.conf"] = fs.readfile("/etc/opkg.conf") }
 104                 local entries = fs.dir("/etc/opkg")
 105                 if entries then
 106                         local entry
 107                         for entry in entries do
 108                                 if entry:match("%.conf$") then
 109                                         rv["opkg/%s" % entry] = fs.readfile("/etc/opkg/%s" % entry)
 110                                 end
 111                         end
 112                 end
 113
 114                 luci.http.prepare_content("application/json")
 115                 luci.http.write_json(rv)
 116         end
 117 end