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octonet/octoserve/var/www/channellist.lua

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#!/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)
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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)
for _,group in ipairs(channellist.GroupList) do
for _,channel in ipairs(group.ChannelList) do
table.insert(m3u,"#EXTINF:0,"..group.Title.." - "..channel.Title.."\n")
table.insert(m3u,"rtsp://"..host..":554/?"..channel.Request.."\n")
end
end
else
local SourceList = LoadSourceList()
for _,f in pairs(SourceList) do
if f.system == "dvbs" or f.system == "dvbs2" then
for _,c in ipairs(f.ChannelList) do
table.insert(m3u,"#EXTINF:0,"..f.title.." - "..c.title.."\n")
table.insert(m3u,"rtsp://"..host..":554/?src="..f.src.."&"..c.request.."\n")
end
else
for _,c in ipairs(f.ChannelList) do
table.insert(m3u,"#EXTINF:0,"..f.title.." - "..c.title.."\n")
table.insert(m3u,"rtsp://"..host..":554/?"..c.request.."\n")
end
end
end
end
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return table.concat(m3u)
end
function JSONSource(host,SourceList,Title,System)
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local json = {}
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local src = ""
local sep1 = "\n"
local sep2 = "\n"
table.insert(json,' "'..Title..'": [')
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sep1 = "\n"
for _,f in pairs(SourceList) do
if not System or f.system == System or f.system == System.."2" then
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table.insert(json,sep1)
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sep1 = ",\n"
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table.insert(json,' {\n')
table.insert(json,' "Title": "'..f.title..'",\n')
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table.insert(json,' "ChannelList": [')
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if System == "dvbs" then
src = 'src='..f.src..'&'
end
sep2 = "\n"
for _,c in ipairs(f.ChannelList) do
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table.insert(json,sep2)
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sep2 = ",\n"
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table.insert(json,' {\n')
table.insert(json,' "Title": "'..string.gsub(c.title,'"','\\"')..'",\n')
table.insert(json,' "Request": "?'..src..c.request..'",\n')
table.insert(json,' "Tracks": ['..c.tracks..']\n')
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table.insert(json,' }')
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end
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table.insert(json,'\n ]\n')
table.insert(json,' }')
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end
end
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table.insert(json,'\n ]')
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return table.concat(json)
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end
function CreateJSON(host)
local data = nil
local file = io.open("/config/ChannelList.json")
if file then
data = file:read("*a")
file:close()
else
local SourceList = LoadSourceList()
local json = {}
table.insert(json,"{\n")
table.insert(json,JSONSource(host,SourceList,"GroupList",nil) .. ",\n")
--~ table.insert(json,JSONSource(host,SourceList,"SourceListSat","dvbs") .. ",\n")
--~ table.insert(json,JSONSource(host,SourceList,"SourceListCable","dvbc") .. ",\n")
--~ table.insert(json,JSONSource(host,SourceList,"SourceListTer","dvbt") .. "\n")
table.insert(json,"}\n")
data = table.concat(json)
end
return data
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end
function LoadSourceList()
local db = require("DataBase")
local SourceList = {}
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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
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local contenttype = nil
local data = nil
if string.match(query,"select=m3u") then
filename = "channellist.m3u"
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contenttype = "text/m3u; charset=utf-8"
data = CreateM3U(host)
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elseif string.match(query,"select=json") then
contenttype = "application/json; charset=utf-8"
data = CreateJSON(host)
end
if data then
http_print(proto.." 200" )
http_print("Pragma: no-cache")
http_print("Cache-Control: no-cache")
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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