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mirror of https://github.com/DigitalDevices/octonet.git synced 2023-10-10 13:36:52 +02:00
octonet/octoserve/var/www/updateserver.lua
2015-09-11 17:46:26 +02:00

77 lines
1.8 KiB
Lua

#!/usr/bin/lua
local host = os.getenv("HTTP_HOST")
local proto = os.getenv("SERVER_PROTOCOL")
local query = os.getenv("QUERY_STRING")
function http_print(s)
if s then
io.stdout:write(tostring(s).."\r\n")
else
io.stdout:write("\r\n")
end
end
local userver = "download.digital-devices.de/download/linux"
local data = nil
local delimages = false
if query == "set=beta" then
local file = io.open("/config/updateserver","w")
if file then
file:write(userver.."/beta".."\n")
file:close()
delimages = true
end
elseif query == "set=std" then
local file = io.open("/config/updateserver","r")
if file then
file:close()
os.remove("/config/updateserver")
delimages = true
end
elseif query:sub(1,4) == "set=" then
userver = query:sub(5)
if userver ~= "" then
local file = io.open("/config/updateserver","w")
if file then
file:write(userver.."\n")
file:close()
delimages = true
end
else
os.remove("/config/updateserver")
delimages = true
end
else
data = "{ \"UpdateServer\":\""
local file = io.open("/config/updateserver","r")
if file then
local tmp = file:read("*l")
file:close()
if tmp ~= userver.."/beta" then
data = data .. tmp
end
end
data = data.."\" }"
end
if delimages then
os.execute("rm -f /config/octonet.*.img")
os.execute("rm -f /config/octonet.*.sha")
end
if data then
http_print(proto.." 200" )
http_print("Pragma: no-cache")
http_print("Content-Type: application/json; charset=UTF-8")
http_print(string.format("Content-Length: %d",#data))
http_print()
http_print(data)
else
http_print(proto.." 303")
http_print("Location: http://"..host.."/update.html")
http_print("")
end