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octonet/octoserve/var/www/multicast.lua

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2015-08-05 22:22:06 +02:00
#!/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="select=m3u"
proto = "HTTP/1.0"
end
function SendError(err,desc)
http_print(proto.." "..err)
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
function GetDevID()
local devid = nil
local tmp = io.open("/config/device.id")
if tmp then
devid = tonumber(tmp:read())
tmp:close()
end
return devid
end
function CreateM3U()
local m3u = nil
local devid = GetDevID()
if not devid then return nil end
local file = io.open("/config/mcsetup.csv","r")
if file then
local line = file:read()
if line then
line = string.gsub(line,'"','')
if string.match(line,"TITLE,REQUEST,PIDS,LANPORTS") then
local i = 1
m3u = "#EXTM3U".."\n"
while i < 13 do
line = file:read()
if not line then break end
if DebugFlag then print(line) end
local title,request,pids,lanports = string.match(line,'%"(.*)%",%"(.*)%",%"P(%a-[%d%:]-)%",%"L(%a-[%d%:]-)%"')
if not title then
title,request,pids = string.match(line,'%"(.*)%",%"(.*)%",%"P(%a-[%d%:]-)%"')
end
if not title or not request or not pids then
break
end
if pids == "" then break end
m3u = m3u .. "#EXTINF:0,"..title.."\n"
.. "rtp://239."..devid..".2."..i..":6670\n"
i = i + 1
end
elseif line:match("TITLE,REQUEST,PIDS,PROTO,IP,PORT,TTL,LANPORTS") then
local i = 1
m3u = "#EXTM3U".."\n"
while i < 13 do
line = file:read()
if not line then break end
if DebugFlag then print(line) end
local title,request,pids,proto,ip,port,ttl,lanports = line:match('%"(.*)%",%"(.*)%",%"P(%a-[%d%:]-)%",%"(%u%u%u)%",%"(%d*%.%d*%.%d*%.%d*)%",(%d*),(%d*),%"L(%a-[%d%:]-)%"')
if not title then
title,request,pids,proto,ip,port,ttl = line:match('%"(.*)%",%"(.*)%",%"P(%a-[%d%:]-)%",%"(%u%u%u)%",%"(%d*%.%d*%.%d*%.%d*)%",(%d*),(%d*)')
end
if not title or not request or not pids then
break
end
if pids == "" then break end
if proto ~= "UDP" and proto ~= "RTP" then break end
if proto == "UDP" then ip = "@"..ip end
m3u = m3u .. "#EXTINF:0,"..title.."\n"
.. proto:lower() .. "://"..ip..":"..port.."\n"
i = i + 1
end
end
end
file:close()
end
return m3u
end
if method == "GET" then
local path = nil
local disposition = nil
local subtype="csv"
if string.match(query,"select=sample") then
local name = string.match(query,"name=(%w+)")
if name then
path = "/var/mcsetup/"..name..".csv"
disposition = name..".csv"
else
SendError("404","Request Error")
return
end
elseif string.match(query,"select=current") then
path = "/config/mcsetup.csv"
disposition = "mcsetup.csv"
elseif string.match(query,"select=m3u") then
path = "m3u"
disposition = "mclist.m3u"
subtype = "m3u"
end
if disposition == "disable" then
os.remove("/config/mcsetup.csv")
os.execute('echo "1" >/tmp/mc.tmp;mv -f /tmp/mc.tmp /tmp/mc.signal');
http_print(proto.." 303")
http_print("Location: http://"..host.."/multicast.html")
http_print("")
return
end
if disposition == "copy" then
os.execute("cp "..path.." /config/mcsetup.csv")
os.execute('echo "1" >/tmp/mc.tmp;mv -f /tmp/mc.tmp /tmp/mc.signal');
http_print(proto.." 303")
http_print("Location: http://"..host.."/multicast.html")
http_print()
return
end
local data = nil
if path == "m3u" then
data = CreateM3U()
else
local tmp = io.open(path,"r")
if tmp then
data = tmp:read("*a")
tmp:close()
end
end
if data then
http_print(proto.." 200" )
http_print("Pragma: no-cache")
http_print("Content-Type: text/"..subtype)
http_print('Content-Disposition: filename="'..disposition..'"')
http_print(string.format("Content-Length: %d",#data))
http_print()
http_print(data)
else
SendError("404",disposition.." not found")
end
else
SendError("500","What")
end