mirror of
https://github.com/spaam/svtplay-dl.git
synced 2024-11-30 23:24:16 +01:00
142 lines
4.2 KiB
Python
142 lines
4.2 KiB
Python
# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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from __future__ import absolute_import
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import sys
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import os
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import re
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from svtplay_dl.utils import get_http_data, select_quality
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from svtplay_dl.output import progressbar, progress_stream, ETA
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from svtplay_dl.log import log
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from svtplay_dl.utils.urllib import urlparse
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from svtplay_dl.error import UIException
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from svtplay_dl.fetcher import VideoRetriever
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class HLSException(UIException):
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def __init__(self, url, message):
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self.url = url
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super(HLSException, self).__init__(message)
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class LiveHLSException(HLSException):
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def __init__(self, url):
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super(LiveHLSException, self).__init__(
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url, "This is a live HLS stream, and they are not supported.")
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def _get_full_url(url, srcurl):
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if url[:4] == 'http':
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return url
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urlp = urlparse(srcurl)
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# remove everything after last / in the path of the URL
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baseurl = re.sub(r'^([^\?]+)/[^/]*(\?.*)?$', r'\1', srcurl)
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returl = "%s/%s" % (baseurl, url)
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# Append optional query parameters
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if urlp.query:
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returl += "?%s" % urlp.query
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return returl
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class HLS(VideoRetriever):
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def download(self):
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data = get_http_data(self.url)
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globaldata, files = parsem3u(data)
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streams = {}
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if self.options.live and not self.options.force:
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raise LiveHLSException(self.url)
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for i in files:
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streams[int(i[1]["BANDWIDTH"])] = i[0]
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test = select_quality(self.options, streams)
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test = _get_full_url(test, self.url)
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m3u8 = get_http_data(test)
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globaldata, files = parsem3u(m3u8)
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encrypted = False
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key = None
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try:
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keydata = globaldata["KEY"]
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encrypted = True
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except KeyError:
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pass
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if encrypted:
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try:
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from Crypto.Cipher import AES
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except ImportError:
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log.error("You need to install pycrypto to download encrypted HLS streams")
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sys.exit(2)
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match = re.search(r'URI="(https?://.*?)"', keydata)
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key = get_http_data(match.group(1))
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rand = os.urandom(16)
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decryptor = AES.new(key, AES.MODE_CBC, rand)
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if self.options.output != "-":
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extension = re.search(r"(\.[a-z0-9]+)$", self.options.output)
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if not extension:
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self.options.output = "%s.ts" % self.options.output
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log.info("Outfile: %s", self.options.output)
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file_d = open(self.options.output, "wb")
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else:
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file_d = sys.stdout
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n = 0
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eta = ETA(len(files))
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for i in files:
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item = _get_full_url(i[0], test)
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if self.options.output != "-":
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eta.increment()
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progressbar(len(files), n, ''.join(['ETA: ', str(eta)]))
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n += 1
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data = get_http_data(item)
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if encrypted:
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data = decryptor.decrypt(data)
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file_d.write(data)
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if self.options.output != "-":
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file_d.close()
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progress_stream.write('\n')
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def parsem3u(data):
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if not data.startswith("#EXTM3U"):
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raise ValueError("Does not apprear to be a ext m3u file")
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files = []
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streaminfo = {}
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globdata = {}
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data = data.replace("\r", "\n")
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for l in data.split("\n")[1:]:
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if not l:
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continue
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if l.startswith("#EXT-X-STREAM-INF:"):
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#not a proper parser
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info = [x.strip().split("=", 1) for x in l[18:].split(",")]
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for i in range(0, len(info)):
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if info[i][0] == "BANDWIDTH":
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streaminfo.update({info[i][0]: info[i][1]})
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elif l.startswith("#EXT-X-ENDLIST"):
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break
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elif l.startswith("#EXT-X-"):
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globdata.update(dict([l[7:].strip().split(":", 1)]))
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elif l.startswith("#EXTINF:"):
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dur, title = l[8:].strip().split(",", 1)
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streaminfo['duration'] = dur
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streaminfo['title'] = title
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elif l[0] == '#':
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pass
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else:
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files.append((l, streaminfo))
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streaminfo = {}
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return globdata, files
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