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Mikubot-2/otouto/plugins/youtube_dl.lua

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local youtube_dl = {}
function youtube_dl:init(config)
youtube_dl.triggers = {
"^/(mp4) https?://w?w?w?%.?youtu.be/([A-Za-z0-9-_-]+)",
"^/(mp4) https?://w?w?w?m?%.?youtube.com/embed/([A-Za-z0-9-_-]+)",
"^/(mp4) https?://w?w?w?m?%.?youtube.com/watch%?v=([A-Za-z0-9-_-]+)",
"^/(mp3) https?://w?w?w?m?%.?youtu.be/([A-Za-z0-9-_-]+)",
"^/(mp3) https?://w?w?w?m?%.?youtube.com/embed/([A-Za-z0-9-_-]+)",
"^/(mp3) https?://w?w?w?m?%.?youtube.com/watch%?v=([A-Za-z0-9-_-]+)"
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}
youtube_dl.doc = [[*
]]..config.cmd_pat..[[mp3* _<URL>_: Lädt Audio von YouTube
*]]..config.cmd_pat..[[mp4* _<URL>_: Lädt Video von YouTube
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]]
end
youtube_dl.command = 'mp3 <URL>, /mp4 <URL>'
function youtube_dl:get_availabe_formats(id, hash)
local ytdl_json = io.popen('youtube-dl -j https://www.youtube.com/watch/?v='..id):read('*all')
if not ytdl_json then return end
local data = json.decode(ytdl_json)
local available_formats = {}
redis:hset(hash, 'duration', data.duration)
-- Building table with infos
for n=1, #data.formats do
local vid_format = data.formats[n].format
local format_num = vid_format:match('^(%d+) ')
local valid_nums = {['17'] = true, ['36'] = true, ['43'] = true, ['18'] = true, ['22'] = true}
if not vid_format:match('DASH') and valid_nums[format_num] then -- We don't want DASH videos!
local format_info = {}
format_info.format = format_num
local hash = hash..':'..format_num
if format_num == '17' then
format_info.pretty_format = '144p'
elseif format_num == '36' then
format_info.pretty_format = '180p'
elseif format_num == '43' then
format_info.pretty_format = '360p WebM'
elseif format_num == '18' then
format_info.pretty_format = '360p MP4'
elseif format_num == '22' then
format_info.pretty_format = '720p'
end
format_info.ext = data.formats[n].ext
local url = data.formats[n].url
local headers = get_http_header(url)
local full_url = headers.location
local headers = get_http_header(full_url) -- first was for 302, this get's use the size
if headers.location then -- There are some videos where there is a "chain" of 302... repeat this, until we get the LAST url!
repeat
headers = get_http_header(headers.location)
until not headers.location
end
format_info.url = full_url
local size = tonumber(headers["content-length"])
format_info.size = size
format_info.pretty_size = string.gsub(tostring(round(size / 1048576, 2)), '%.', ',')..' MB' -- 1048576 = 1024*1024
available_formats[#available_formats+1] = format_info
redis:hset(hash, 'ext', format_info.ext)
redis:hset(hash, 'format', format_info.pretty_format)
redis:hset(hash, 'url', full_url)
redis:hset(hash, 'size', size)
redis:hset(hash, 'height', data.formats[n].height)
redis:hset(hash, 'width', data.formats[n].width)
redis:hset(hash, 'pretty_size', format_info.pretty_size)
redis:expire(hash, 7889400)
end
end
return available_formats
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end
function youtube_dl:convert_audio(id)
local output = io.popen('youtube-dl --max-filesize 49m -o "/tmp/%(title)s.%(ext)s" --extract-audio --audio-format mp3 https://www.youtube.com/watch/?v='..id):read('*all')
if string.match(output, '.* File is larger .*') then
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return 'TOOBIG'
end
local audio = string.match(output, '%[ffmpeg%] Destination: /tmp/(.*).mp3')
return '/tmp/'..audio..'.mp3'
end
function youtube_dl:callback(callback, msg, self, config, input)
utilities.answer_callback_query(self, callback, 'Informationen werden verarbeitet...')
local video_id = input:match('(.+)@')
local vid_format = input:match('@(%d+)')
local hash = 'telegram:cache:youtube_dl:mp4:'..video_id
local format_hash = hash..':'..vid_format
if not redis:exists(format_hash) then
youtube_dl:get_availabe_formats(video_id, hash)
end
local duration = redis:hget(hash, 'duration')
local format_info = redis:hgetall(format_hash)
local full_url = format_info.url
local width = format_info.width
local height = format_info.height
local ext = format_info.ext
local pretty_size = format_info.pretty_size
local size = tonumber(format_info.size)
local format = format_info.format
if size > 52420000 then
utilities.edit_message(self, msg.chat.id, msg.message_id, '<a href="'..full_url..'">Direktlink zum Video</a> ('..format..', '..pretty_size..')', nil, 'HTML')
return
end
utilities.edit_message(self, msg.chat.id, msg.message_id, '<b>Video wird hochgeladen</b>', nil, 'HTML')
utilities.send_typing(self, msg.chat.id, 'upload_video')
local file = download_to_file(full_url, video_id..'.'..ext)
if not file then return end
utilities.send_video(self, msg.chat.id, file, nil, msg.message_id, duration, width, height)
utilities.edit_message(self, msg.chat.id, msg.message_id, '<a href="'..full_url..'">Direktlink zum Video</a> ('..format..', '..pretty_size..')', nil, 'HTML')
end
function youtube_dl:action(msg, config, matches)
if msg.chat.type ~= 'private' then
utilities.send_reply(self, msg, 'Dieses Plugin kann nur im Privatchat benutzt werden')
return
end
local id = matches[2]
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if matches[1] == 'mp4' then
local hash = 'telegram:cache:youtube_dl:mp4:'..id
local first_msg = utilities.send_reply(self, msg, '<b>Verfügbare Videoformate werden ausgelesen...</b>', 'HTML')
local callback_keyboard = redis:hget(hash, 'keyboard')
if not callback_keyboard then
utilities.send_typing(self, msg.chat.id, 'typing')
local available_formats = youtube_dl:get_availabe_formats(id, hash)
if not available_formats then
utilities.edit_message(self, msg.chat.id, first_msg.result.message_id, config.errors.results)
return
end
local callback_buttons = {}
for n=1, #available_formats do
local video = available_formats[n]
local format = video.format
local size = video.size
local pretty_size = video.pretty_size
if size > 52420000 then
pretty_format = video.pretty_format..' ('..pretty_size..', nur Link)'
else
pretty_format = video.pretty_format..' ('..pretty_size..')'
end
local button = '{"text":"'..pretty_format..'","callback_data":"@'..self.info.username..' youtube_dl:'..id..'@'..format..'"}'
callback_buttons[#callback_buttons+1] = button
end
local keyboard = '{"inline_keyboard":['
for button in pairs(callback_buttons) do
keyboard = keyboard..'['..callback_buttons[button]..']'
if button < #callback_buttons then
keyboard = keyboard..','
end
end
callback_keyboard = keyboard..']}'
redis:hset(hash, 'keyboard', callback_keyboard)
redis:expire(hash, 7889400)
end
utilities.edit_message(self, msg.chat.id, first_msg.result.message_id, 'Wähle die gewünschte Auflösung.', nil, nil, callback_keyboard)
return
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end
if matches[1] == 'mp3' then
local first_msg = utilities.send_reply(self, msg, '<b>Audio wird heruntergeladen...</b>', 'HTML')
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utilities.send_typing(self, msg.chat.id, 'upload_audio')
local file = youtube_dl:convert_audio(id)
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if file == 'TOOBIG' then
utilities.edit_message(self, msg.chat.id, first_msg.result.message_id, '<b>Die MP3 überschreitet die Grenze von 50 MB!</b>', nil, 'HTML')
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return
end
utilities.send_audio(self, msg.chat.id, file, msg.message_id)
return
end
end
return youtube_dl