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#!/usr/bin/env python3
from livestreamer.plugins import Plugin, register_plugin
from livestreamer.stream import RTMPStream
from livestreamer.utils import swfverify
from livestreamer.compat import urllib, str
import xml.dom.minidom, re, sys, random
class JustinTV(Plugin):
StreamInfoURL = "http://usher.justin.tv/find/{0}.xml?type=any&p={1}"
StreamInfoURLSub = "http://usher.justin.tv/find/{0}.xml?type=any&p={1}&b_id=true&chansub_guid={2}&private_code=null&group=&channel_subscription={2}"
MetadataURL = "http://www.justin.tv/meta/{0}.xml?on_site=true"
SWFURL = "http://www.justin.tv/widgets/live_embed_player.swf"
@classmethod
def can_handle_url(self, url):
return ("justin.tv" in url) or ("twitch.tv" in url)
@classmethod
def handle_parser(self, parser):
parser.add_argument("--jtv-cookie", metavar="cookie", help="JustinTV cookie to allow access to subscription channels")
def _get_channel_name(self, url):
fd = urllib.urlopen(url)
data = fd.read()
fd.close()
match = re.search(b"live_facebook_embed_player\.swf\?channel=(\w+)", data)
if match:
return str(match.group(1), "ascii")
def _get_metadata(self, channel, cookie=None):
if cookie:
headers = {"Cookie": cookie}
req = urllib.Request(self.MetadataURL.format(channel), headers=headers)
else:
req = urllib.Request(self.MetadataURL.format(channel))
fd = urllib.urlopen(req)
data = fd.read()
fd.close()
dom = xml.dom.minidom.parseString(data)
meta = dom.getElementsByTagName("meta")[0]
metadata = {}
metadata["title"] = self._get_node_if_exists(dom, "title")
metadata["chansub_guid"] = self._get_node_if_exists(dom, "chansub_guid")
return metadata
def _get_node_if_exists(self, dom, name):
elements = dom.getElementsByTagName(name)
if elements and len(elements) > 0:
return self._get_node_text(elements[0])
def _get_node_text(self, element):
res = []
for node in element.childNodes:
if node.nodeType == node.TEXT_NODE:
res.append(node.data)
return "".join(res)
def get_streams(self):
def clean_tag(tag):
if tag[0] == "_":
return tag[1:]
else:
return tag
randomp = int(random.random() * 999999)
channelname = self._get_channel_name(self.url)
if not channelname:
return False
metadata = self._get_metadata(channelname, self.args.jtv_cookie)
if "chansub_guid" in metadata:
fd = urllib.urlopen(self.StreamInfoURLSub.format(channelname, randomp, metadata["chansub_guid"]))
else:
fd = urllib.urlopen(self.StreamInfoURL.format(channelname, randomp))
data = fd.read()
fd.close()
# fix invalid xml
data = re.sub(b"<(\d+)", b"<_\g<1>", data)
data = re.sub(b"</(\d+)", b"</_\g<1>", data)
streams = {}
dom = xml.dom.minidom.parseString(data)
nodes = dom.getElementsByTagName("nodes")[0]
swfhash, swfsize = swfverify(self.SWFURL)
for node in nodes.childNodes:
info = {}
for child in node.childNodes:
info[child.tagName] = self._get_node_text(child)
stream = RTMPStream({
"rtmp": ("{0}/{1}").format(info["connect"], info["play"]),
"swfUrl": self.SWFURL,
"swfhash": swfhash,
"swfsize": swfsize,
"live": 1
})
if "token" in info:
stream.params["jtv"] = info["token"]
sname = clean_tag(node.tagName)
streams[sname] = stream
return streams
register_plugin("justintv", JustinTV)
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