mirror of
https://github.com/spaam/svtplay-dl.git
synced 2024-11-24 12:15:40 +01:00
376 lines
13 KiB
Python
376 lines
13 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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import copy
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from svtplay_dl.output import progressbar, progress_stream, ETA, output
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from svtplay_dl.log import log
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from svtplay_dl.error import UIException, ServiceError
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from svtplay_dl.fetcher import VideoRetriever
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from svtplay_dl.utils import HTTP
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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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if url[0] == '/':
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baseurl = re.search(r'^(http[s]{0,1}://[^/]+)/', srcurl)
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return "{0}{1}".format(baseurl.group(1), url)
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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 = "{0}/{1}".format(baseurl, url)
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return returl
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def hlsparse(options, res, url, **kwargs):
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streams = {}
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if not res:
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return None
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if res.status_code > 400:
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streams[0] = ServiceError("Can't read HLS playlist. {0}".format(res.status_code))
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return streams
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m3u8 = M3U8(res.text)
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http = HTTP(options)
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keycookie = kwargs.pop("keycookie", None)
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media = {}
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for i in m3u8.master_playlist:
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audio_url = None
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if i["TAG"] == "EXT-X-MEDIA":
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if "DEFAULT" in i and (i["DEFAULT"].upper() == "YES"):
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if i["TYPE"] and ("URI" in i):
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if i["GROUP-ID"] not in media:
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media[i["GROUP-ID"]] = []
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media[i["GROUP-ID"]].append(i["URI"])
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continue
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elif i["TAG"] == "EXT-X-STREAM-INF":
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bit_rate = float(i["BANDWIDTH"]) / 1000
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if "AUDIO" in i and (i["AUDIO"] in media):
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audio_url = media[i["AUDIO"]][0]
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urls = _get_full_url(i["URI"], url)
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else:
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continue # Needs to be changed to utilise other tags.
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res2 = http.get(urls, cookies=res.cookies)
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if res2.status_code < 400:
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streams[int(bit_rate)] = HLS(copy.copy(options), urls, bit_rate, cookies=res.cookies, keycookie=keycookie, audio=audio_url)
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return streams
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class HLS(VideoRetriever):
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def name(self):
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return "hls"
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def download(self):
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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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if self.audio:
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cookies = self.kwargs["cookies"]
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audio_data_m3u = self.http.request("get", self.audio, cookies=cookies).text
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audio_m3u8 = M3U8(audio_data_m3u)
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total_size = audio_m3u8.media_segment[-1]["EXT-X-BYTERANGE"]["n"] + audio_m3u8.media_segment[-1]["EXT-X-BYTERANGE"]["o"]
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self._download_url(audio_m3u8.media_segment[0]["URI"], audio=True, total_size=total_size)
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data_m3u = self.http.request("get", self.url, cookies=cookies).text
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m3u8 = M3U8(data_m3u)
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total_size = m3u8.media_segment[-1]["EXT-X-BYTERANGE"]["n"] + m3u8.media_segment[-1]["EXT-X-BYTERANGE"]["o"]
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self._download_url(m3u8.media_segment[0]["URI"], total_size=total_size)
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else:
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self._download(self.url)
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def _download(self, url):
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cookies = self.kwargs["cookies"]
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data_m3u = self.http.request("get", url, cookies=cookies).text
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m3u8 = M3U8(data_m3u)
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key = None
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if m3u8.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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file_d = output(self.options, "ts")
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if file_d is None:
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return
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decryptor = None
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eta = ETA(len(m3u8.media_segment))
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for index, i in enumerate(m3u8.media_segment):
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item = _get_full_url(i["URI"], url)
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if not self.options.silent:
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eta.increment()
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progressbar(len(m3u8.media_segment), index+1, ''.join(['ETA: ', str(eta)]))
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data = self.http.request("get", item, cookies=cookies)
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if data.status_code == 404:
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break
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data = data.content
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if m3u8.encrypted:
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if self.keycookie:
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keycookies = self.keycookie
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else:
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keycookies = cookies
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# Update key/decryptor
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if "EXT-X-KEY" in i:
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keyurl = _get_full_url(i["EXT-X-KEY"]["URI"], self.url)
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key = self.http.request("get", keyurl, cookies=keycookies).content
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decryptor = AES.new(key, AES.MODE_CBC, os.urandom(16))
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if decryptor:
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data = decryptor.decrypt(data)
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else:
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raise ValueError("No decryptor found for encrypted hls steam.")
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file_d.write(data)
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file_d.close()
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if not self.options.silent:
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progress_stream.write('\n')
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self.finished = True
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class M3U8():
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# Created for hls version <=7
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# https://tools.ietf.org/html/rfc8216
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MEDIA_SEGMENT_TAGS = ("EXTINF", "EXT-X-BYTERANGE", "EXT-X-DISCONTINUITY",
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"EXT-X-KEY", "EXT-X-MAP", "EXT-X-PROGRAM-DATE-TIME", "EXT-X-DATERANGE")
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MEDIA_PLAYLIST_TAGS = ("EXT-X-TARGETDURATION", "EXT-X-MEDIA-SEQUENCE", "EXT-X-DISCONTINUITY-SEQUENCE",
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"EXT-X-ENDLIST", "EXT-X-PLAYLIST-TYPE", "EXT-X-I-FRAMES-ONLY")
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MASTER_PLAYLIST_TAGS = ("EXT-X-MEDIA", "EXT-X-STREAM-INF", "EXT-X-I-FRAME-STREAM-INF",
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"EXT-X-SESSION-DATA", "EXT-X-SESSION-KEY")
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MEDIA_OR_MASTER_PLAYLIST_TAGS = ("EXT-X-INDEPENDENT-SEGMENTS", "EXT-X-START")
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TAG_TYPES = {"MEDIA_SEGMENT": 0, "MEDIA_PLAYLIST": 1, "MASTER_PLAYLIST": 2}
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def __init__(self, data):
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self.version = None
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self.media_segment = []
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self.media_playlist = {}
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self.master_playlist = []
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self.encrypted = False
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self.parse_m3u(data)
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def __str__(self):
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return "Version: {0}\nMedia Segment: {1}\nMedia Playlist: {2}\nMaster Playlist: {3}\nEncrypted: {4}"\
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.format(self.version, self.media_segment, self.media_playlist, self.master_playlist, self.encrypted)
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def parse_m3u(self, data):
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if not data.startswith("#EXTM3U"):
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raise ValueError("Does not appear to be an 'EXTM3U' file.")
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data = data.replace("\r\n", "\n")
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lines = data.split("\n")[1:]
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last_tag_type = None
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tag_type = None
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media_segment_info = {}
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for index, l in enumerate(lines):
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if not l:
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continue
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elif l.startswith("#EXT"):
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info = {}
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tag, attr = _get_tag_attribute(l)
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if tag == "EXT-X-VERSION":
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self.version = int(attr)
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# 4.3.2. Media Segment Tags
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elif tag in M3U8.MEDIA_SEGMENT_TAGS:
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tag_type = M3U8.TAG_TYPES["MEDIA_SEGMENT"]
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# 4.3.2.1. EXTINF
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if tag == "EXTINF":
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if "," in attr:
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dur, title = attr.split(",", 1)
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else:
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dur = attr
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title = None
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info["duration"] = float(dur)
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info["title"] = title
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# 4.3.2.2. EXT-X-BYTERANGE
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elif tag == "EXT-X-BYTERANGE":
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if "@" in attr:
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n, o = attr.split("@", 1)
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info["n"], info["o"] = (int(n), int(o))
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else:
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info["n"] = int(attr)
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info["o"] = 0
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# 4.3.2.3. EXT-X-DISCONTINUITY
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elif tag == "EXT-X-DISCONTINUITY":
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pass
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# 4.3.2.4. EXT-X-KEY
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elif tag == "EXT-X-KEY":
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self.encrypted = True
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info = _get_tuple_attribute(attr)
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# 4.3.2.5. EXT-X-MAP
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elif tag == "EXT-X-MAP":
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info = _get_tuple_attribute(attr)
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# 4.3.2.6. EXT-X-PROGRAM-DATE-TIME"
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elif tag == "EXT-X-PROGRAM-DATE-TIME":
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info = attr
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# 4.3.2.7. EXT-X-DATERANGE
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elif tag == "EXT-X-DATERANGE":
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info = _get_tuple_attribute(attr)
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media_segment_info[tag] = info
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# 4.3.3. Media Playlist Tags
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elif tag in M3U8.MEDIA_PLAYLIST_TAGS:
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tag_type = M3U8.TAG_TYPES["MEDIA_PLAYLIST"]
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# 4.3.3.1. EXT-X-TARGETDURATION
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if tag == "EXT-X-TARGETDURATION":
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info = int(attr)
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# 4.3.3.2. EXT-X-MEDIA-SEQUENCE
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elif tag == "EXT-X-MEDIA-SEQUENCE":
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info = int(attr)
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# 4.3.3.3. EXT-X-DISCONTINUITY-SEQUENCE
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elif tag == "EXT-X-DISCONTINUITY-SEQUENCE":
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info = int(attr)
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# 4.3.3.4. EXT-X-ENDLIST
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elif tag == "EXT-X-ENDLIST":
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break
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# 4.3.3.5. EXT-X-PLAYLIST-TYPE
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elif tag == "EXT-X-PLAYLIST-TYPE":
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info = attr
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# 4.3.3.6. EXT-X-I-FRAMES-ONLY
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elif tag == "EXT-X-I-FRAMES-ONLY":
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pass
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self.media_playlist[tag] = info
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# 4.3.4. Master Playlist Tags
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elif tag in M3U8.MASTER_PLAYLIST_TAGS:
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tag_type = M3U8.TAG_TYPES["MASTER_PLAYLIST"]
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# 4.3.4.1. EXT-X-MEDIA
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if tag == "EXT-X-MEDIA":
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info = _get_tuple_attribute(attr)
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# 4.3.4.2. EXT-X-STREAM-INF
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elif tag == "EXT-X-STREAM-INF":
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info = _get_tuple_attribute(attr)
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if "BANDWIDTH" not in info:
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raise ValueError("Can't find 'BANDWIDTH' in 'EXT-X-STREAM-INF'")
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info["URI"] = lines[index+1]
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# 4.3.4.3. EXT-X-I-FRAME-STREAM-INF
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elif tag == "EXT-X-I-FRAME-STREAM-INF":
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info = _get_tuple_attribute(attr)
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# 4.3.4.4. EXT-X-SESSION-DATA
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elif tag == "EXT-X-SESSION-DATA":
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info = _get_tuple_attribute(attr)
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# 4.3.4.5. EXT-X-SESSION-KEY
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elif tag == "EXT-X-SESSION-KEY":
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self.encrypted = True
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info = _get_tuple_attribute(attr)
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info["TAG"] = tag
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self.master_playlist.append(info)
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# 4.3.5. Media or Master Playlist Tags
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elif tag in M3U8.MEDIA_OR_MASTER_PLAYLIST_TAGS:
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tag_type = M3U8.TAG_TYPES["MEDIA_PLAYLIST"]
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# 4.3.5.1. EXT-X-INDEPENDENT-SEGMENTS
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if tag == "EXT-X-INDEPENDENT-SEGMENTS":
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pass
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# 4.3.5.2. EXT-X-START
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elif tag == "EXT-X-START":
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info = _get_tuple_attribute(attr)
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self.media_playlist[tag] = info
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# Unused tags
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else:
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pass
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# This is a comment
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elif l.startswith("#"):
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pass
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# This must be a url/uri
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else:
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tag_type = None
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if last_tag_type is M3U8.TAG_TYPES["MEDIA_SEGMENT"]:
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media_segment_info["URI"] = l
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self.media_segment.append(media_segment_info)
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media_segment_info = {}
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last_tag_type = tag_type
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if self.media_segment and self.master_playlist:
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raise ValueError("This 'M3U8' file contains data for both 'Media Segment' and 'Master Playlist'. This is not allowed.")
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def _get_tag_attribute(line):
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line = line[1:]
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try:
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search_line = re.search("^([A-Z\-]*):(.*)", line)
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return search_line.group(1), search_line.group(2)
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except:
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return line, None
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def _get_tuple_attribute(attribute):
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attr_tuple = {}
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for art_l in re.split(''',(?=(?:[^'"]|'[^']*'|"[^"]*")*$)''', attribute):
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if art_l:
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name, value = art_l.split("=", 1)
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# Checks for attribute name
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if not re.match("^[A-Z0-9\-]*$", name):
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raise ValueError("Not a valid attribute name.")
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# Remove extra quotes of string
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if value.startswith('"') and value.endswith('"'):
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value = value[1:-1]
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attr_tuple[name] = value
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return attr_tuple
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