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 action_list(mode)
   7         local util = require "luci.util"
   8         local cmd
   9
  10         if mode == "installed" then
  11                 cmd = { "/bin/cat", "/usr/lib/opkg/status" }
  12         else
  13                 local lists_dir = nil
  14
  15                 local fd = io.popen([[sed -rne 's#^lists_dir \S+ (\S+)#\1#p' /etc/opkg.conf /etc/opkg/*.conf 2>/dev/null]], "r")
  16                 if fd then
  17                         lists_dir = fd:read("*l")
  18                         fd:close()
  19                 end
  20
  21                 if not lists_dir or #lists_dir == 0 then
  22                         lists_dir = "/tmp/opkg-lists"
  23                 end
  24
  25                 cmd = { "/bin/sh", "-c", [[find %s -type f '!' -name '*.sig' | xargs -r gzip -cd]] % util.shellquote(lists_dir) }
  26         end
  27
  28         luci.http.prepare_content("text/plain; charset=utf-8")
  29         luci.sys.process.exec(cmd, luci.http.write)
  30 end
  31
  32 function action_exec(command, package)
  33         local sys = require "luci.sys"
  34         local cmd = { "/bin/opkg", "--force-removal-of-dependent-packages" }
  35         local pkg = luci.http.formvalue("package")
  36
  37         if luci.http.formvalue("autoremove") == "true" then
  38                 cmd[#cmd + 1] = "--autoremove"
  39         end
  40
  41         if luci.http.formvalue("overwrite") == "true" then
  42                 cmd[#cmd + 1] = "--force-overwrite"
  43         end
  44
  45         cmd[#cmd + 1] = command
  46
  47         if pkg then
  48                 cmd[#cmd + 1] = pkg
  49         end
  50
  51         luci.http.prepare_content("application/json")
  52         luci.http.write_json(sys.process.exec(cmd, true, true))
  53 end
  54
  55 function action_statvfs()
  56         local fs = require "nixio.fs"
  57
  58         luci.http.prepare_content("application/json")
  59         luci.http.write_json(fs.statvfs("/") or {})
  60 end
  61
  62 function action_config()
  63         local fs = require "nixio.fs"
  64         local js = require "luci.jsonc"
  65         local data = luci.http.formvalue("data")
  66
  67         if data then
  68                 data = js.parse(data)
  69
  70                 if not data then
  71                         luci.http.status(400, "Bad Request")
  72                         return
  73                 end
  74
  75                 local file, content
  76                 for file, content in pairs(data) do
  77                         if type(content) ~= "string" or
  78                            (file ~= "opkg.conf" and not file:match("^opkg/[^/]+%.conf$"))
  79                         then
  80                                 luci.http.status(400, "Bad Request")
  81                                 return
  82                         end
  83
  84                         local path = "/etc/%s" % file
  85                         if not fs.access(path, "w") then
  86                                 luci.http.status(403, "Permission denied")
  87                                 return
  88                         end
  89
  90                         fs.writefile(path, content:gsub("\r\n", "\n"))
  91                 end
  92
  93                 luci.http.status(204, "Saved")
  94         else
  95                 local rv = { ["opkg.conf"] = fs.readfile("/etc/opkg.conf") }
  96                 local entries = fs.dir("/etc/opkg")
  97                 if entries then
  98                         local entry
  99                         for entry in entries do
 100                                 if entry:match("%.conf$") then
 101                                         rv["opkg/%s" % entry] = fs.readfile("/etc/opkg/%s" % entry)
 102                                 end
 103                         end
 104                 end
 105
 106                 luci.http.prepare_content("application/json")
 107                 luci.http.write_json(rv)
 108         end
 109 end