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octonet/octoserve/var/www/channelscan.lua
mvoelkel 2ca76a63fe Channel scanning
Added web frontend
bug fixes
2016-01-15 16:51:01 +01:00

136 lines
3.1 KiB
Lua

#!/usr/bin/lua
local host = os.getenv("HTTP_HOST")
local proto = os.getenv("SERVER_PROTOCOL")
local query = os.getenv("QUERY_STRING")
local method = os.getenv("REQUEST_METHOD")
local clength = os.getenv("CONTENT_LENGTH")
local ctype = os.getenv("CONTENT_TYPE")
function http_print(s)
if s then
io.stdout:write(tostring(s).."\r\n")
else
io.stdout:write("\r\n")
end
end
if #arg> 0 then
method="GET"
query=arg[1]
proto = "HTTP/1.0"
end
function SendError(err,desc)
http_print(proto.." "..err)
http_print("Content-Type: text/html")
http_print()
local file = io.open("e404.html")
if file then
local tmp = file:read("*a")
tmp = string.gsub(tmp,"404 Not Found",err .. " " .. desc)
http_print(tmp)
file:close()
end
end
--
local newdecoder = require("lunajson.decoder")
local newencoder = require("lunajson.encoder")
local function LoadTransponderList()
local tl = nil
local f = nil
f = io.open("/config/TransponderList.json","r")
if not f then
f = io.open("/var/channels/TransponderList.json","r")
end
if f then
local t = f:read("*a")
f:close()
local decode = newdecoder()
tl = decode(t)
end
return tl
end
if method == "GET" then
local filename = nil
local contenttype = "application/json; charset=utf-8"
local data = nil
local q,v
local params = ""
local cmd = ""
for q,v in query:gmatch("(%a+)=([%w%.]+)") do
if q == "select" then
cmd = v
else
params = params.." "..q.."="..v
end
end
if cmd == "keys" then
local tl = LoadTransponderList()
if tl then
local kl = { KeyList = { } }
local s
for _,s in ipairs(tl.SourceList) do
table.insert(kl.KeyList, { Key=s.Key,Title=s.Title,DVBType=s.DVBType })
end
kl.KeyList[0] = #kl.KeyList
local encode = newencoder()
data = encode(kl)
end
elseif cmd == "scan" then
local rc = os.execute("mkdir /tmp/doscan.lock")
if rc ~= 0 then
data = '{"status":"busy"}'
else
data = '{"status":"retry"}'
os.execute("/var/channels/doscan.lua "..params.." >/tmp/doscan.log 2>&1 &")
end
elseif cmd == "status" then
local js = { }
local f = io.open("/tmp/doscan.lock/doscan.msg")
if f then
js.status = "active"
else
f = io.open("/tmp/doscan.msg")
if f then
js.status = "done"
else
js.status = "retry"
end
end
if f then
local m = f:read("*l")
local count,msg = m:match("(%d+):(.*)")
js.count = count
js.msg = msg
f:close()
end
local encode = newencoder()
data = encode(js)
end
if data then
http_print(proto.." 200" )
http_print("Pragma: no-cache")
http_print("Cache-Control: no-cache")
http_print("Content-Type: "..contenttype)
if filename then
http_print('Content-Disposition: filename="'..filename..'"')
end
http_print(string.format("Content-Length: %d",#data))
http_print()
http_print(data)
else
SendError("404","not found")
end
else
SendError("500","What")
end