modules/admin-mini: General UI improvements
[project/luci.git] / modules / admin-mini / luasrc / controller / mini / system.lua
1 --[[
2 LuCI - Lua Configuration Interface
3
4 Copyright 2008 Steven Barth <steven@midlink.org>
5 Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
6
7 Licensed under the Apache License, Version 2.0 (the "License");
8 you may not use this file except in compliance with the License.
9 You may obtain a copy of the License at
10
11         http://www.apache.org/licenses/LICENSE-2.0
12
13 $Id$
14 ]]--
15
16 module("luci.controller.mini.system", package.seeall)
17
18 function index()
19         luci.i18n.loadc("admin-core")
20         local i18n = luci.i18n.translate
21
22         entry({"mini", "system"}, alias("mini", "system", "index"), i18n("system"), 40)
23         entry({"mini", "system", "index"}, cbi("mini/system"), i18n("general"), 1)
24         entry({"mini", "system", "passwd"}, form("mini/passwd"), i18n("a_s_changepw"), 10)
25         entry({"mini", "system", "backup"}, call("action_backup"), i18n("a_s_backup"), 80)
26         entry({"mini", "system", "upgrade"}, call("action_upgrade"), i18n("a_s_flash"), 90)
27         entry({"mini", "system", "reboot"}, call("action_reboot"), i18n("reboot"), 100)
28 end
29
30 function action_backup()
31         local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
32         local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
33         local backup_cmd  = "tar -c %s | gzip 2>/dev/null"
34         
35         local restore_fpi 
36         luci.http.setfilehandler(
37                 function(meta, chunk, eof)
38                         if not restore_fpi then
39                                 restore_fpi = io.popen(restore_cmd, "w")
40                         end
41                         if chunk then
42                                 restore_fpi:write(chunk)
43                         end
44                         if eof then
45                                 restore_fpi:close()
46                         end
47                 end
48         )
49                   
50         local upload = luci.http.formvalue("archive")
51         local backup = luci.http.formvalue("backup")
52         local reset  = reset_avail and luci.http.formvalue("reset")
53         
54         if upload and #upload > 0 then
55                 luci.template.render("mini/applyreboot")
56                 luci.sys.reboot()
57         elseif backup then
58                 luci.util.perror(backup_cmd:format(_keep_pattern()))
59                 local backup_fpi = io.popen(backup_cmd:format(_keep_pattern()), "r")
60                 luci.http.header('Content-Disposition', 'attachment; filename="backup.tar.gz"')
61                 luci.http.prepare_content("application/x-targz")
62                 luci.ltn12.pump.all(luci.ltn12.source.file(backup_fpi), luci.http.write)
63         elseif reset then
64                 luci.template.render("mini/applyreboot")
65                 luci.util.exec("mtd -r erase rootfs_data")
66         else
67                 luci.template.render("mini/backup", {reset_avail = reset_avail})
68         end
69 end
70
71 function action_reboot()
72         local reboot = luci.http.formvalue("reboot")
73         luci.template.render("mini/reboot", {reboot=reboot})
74         if reboot then
75                 luci.sys.reboot()
76         end
77 end
78
79 function action_upgrade()
80         require("luci.model.uci")
81
82         local ret  = nil
83         local plat = luci.fs.mtime("/lib/upgrade/platform.sh")
84         local tmpfile = "/tmp/firmware.img"
85         local broadcom = os.execute('grep brcm_ /lib/upgrade/platform.sh >/dev/null 2>&1') == 0
86          
87         local keep_avail = not broadcom
88
89         local file
90         luci.http.setfilehandler(
91                 function(meta, chunk, eof)
92                         if not file then
93                                 file = io.open(tmpfile, "w")
94                         end
95                         if chunk then
96                                 file:write(chunk)
97                         end
98                         if eof then
99                                 file:close()
100                         end
101                 end
102         )
103
104         local fname   = luci.http.formvalue("image")
105         local keepcfg = keep_avail and luci.http.formvalue("keepcfg")
106
107         if plat and fname then
108                 ret = luci.sys.flash(tmpfile, keepcfg and _keep_pattern())
109         end
110
111         luci.template.render("mini/upgrade", {sysupgrade=plat, ret=ret, keep_avail=keep_avail})
112 end
113
114 function _keep_pattern()
115         local kpattern = ""
116         local files = luci.model.uci.get_all("luci", "flash_keep")
117         if files then
118                 kpattern = ""
119                 for k,v in pairs(files) do
120                         kpattern = kpattern .. " " ..  v
121                 end
122         end
123         return kpattern
124 end