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octonet/octoserve/var/www/channellist.lua
2016-04-06 12:18:40 +02:00

216 lines
5.6 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="select=m3u"
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
function CreateM3U(host)
local m3u = {}
table.insert(m3u,"#EXTM3U".."\n")
local file = io.open("/config/ChannelList.json")
if file then
local json = file:read("*a")
file:close()
local newdecoder = require("lunajson.decoder")
local decode = newdecoder()
local channellist = decode(json)
local lcn = 0
for _,group in ipairs(channellist.GroupList) do
lcn = math.floor((lcn + 99)/100) * 100
for _,channel in ipairs(group.ChannelList) do
lcn = lcn + 1
table.insert(m3u,string.format("#EXTINF:0,%d. %s - %s\n",lcn,group.Title,channel.Title))
table.insert(m3u,"rtsp://"..host..":554/"..channel.Request.."\n")
end
end
else
local SourceList = LoadSourceList()
local lcn = 0
for _,f in pairs(SourceList) do
lcn = math.floor((lcn + 999)/1000) * 1000
if f.system == "dvbs" or f.system == "dvbs2" then
for _,c in ipairs(f.ChannelList) do
lcn = lcn + 1
table.insert(m3u,string.format("#EXTINF:0,%d. %s - %s\n",lcn,f.title,c.title))
table.insert(m3u,"rtsp://"..host..":554/?src="..f.src.."&"..c.request.."\n")
end
else
for _,c in ipairs(f.ChannelList) do
lcn = lcn + 1
table.insert(m3u,string.format("#EXTINF:0,%d. %s - %s\n",lcn,f.title,c.title))
table.insert(m3u,"rtsp://"..host..":554/?"..c.request.."\n")
end
end
end
end
return table.concat(m3u)
end
local function CompareTitle(a,b)
return a.Title < b.Title
end
function Legacy2JSON()
local newencoder = require("lunajson.encoder")
local SourceList = LoadSourceList()
local ChannelList = {}
ChannelList.GroupList = {}
local Group
local Channel
local f,c
for _,f in pairs(SourceList) do
Group = { Title=f.title, ChannelList = { } }
table.insert(ChannelList.GroupList,Group)
if f.system == "dvbs" or f.system == "dvbs2" then
src = 'src='..f.src..'&'
end
for _,c in ipairs(f.ChannelList) do
local tracks = {}
local track
for track in c.tracks:gmatch("%d+") do
table.insert(tracks,tonumber(track))
end
tracks[0] = #tracks
Channel = { Title=c.title,
Request = '?'..src..c.request,
Tracks=tracks }
table.insert(Group.ChannelList,Channel)
end
end
for _,Group in ipairs(ChannelList.GroupList) do
table.sort(Group.ChannelList,CompareTitle)
Group.ChannelList[0] = #Group.ChannelList
end
table.sort(ChannelList.GroupList,CompareTitle)
ChannelList.GroupList[0] = #ChannelList.GroupList
local encode = newencoder()
local data = encode(ChannelList)
return data
end
function CreateJSON()
local data = nil
local file = io.open("/config/ChannelList.json")
if file then
data = file:read("*a")
file:close()
else
data = Legacy2JSON()
end
return data
end
function TransponderList(user)
local data = nil
local file
if user then
file = io.open("/config/TransponderList.json","r")
end
if not file then
file = io.open("/var/channels/TransponderList.json","r")
end
if file then
data = file:read("*a")
file:close()
end
return data
end
function LoadSourceList()
local db = require("DataBase")
local SourceList = {}
local f,c
for _,f in ipairs(db.SourceList) do
f.ChannelList = {}
SourceList[f.refid] = f
end
for _,c in ipairs(db.ChannelList) do
local f = SourceList[c.refid]
if f then
table.insert(f.ChannelList,c)
end
end
return SourceList
end
if method == "GET" then
local filename = nil
local contenttype = nil
local data = nil
if string.match(query,"select=m3u") then
filename = "channellist.m3u"
contenttype = "text/m3u; charset=utf-8"
data = CreateM3U(host)
elseif string.match(query,"select=json") then
filename = "ChannelList.json"
contenttype = "application/json; charset=utf-8"
data = CreateJSON()
elseif string.match(query,"select=stl") then
filename = "TransponderList.json"
contenttype = "application/json; charset=utf-8"
data = TransponderList(false)
elseif string.match(query,"select=tl") then
filename = "TransponderList.json"
contenttype = "application/json; charset=utf-8"
data = TransponderList(true)
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