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magnet2torrent.py
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magnet2torrent.py
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# -*- coding: utf-8 -*-
# forked from https://github.com/hpfn/Magnet2Torrent/blob/master/Magnet_To_Torrent2.py
import shutil
import tempfile
import os
import sys
import libtorrent
from time import sleep
from argparse import ArgumentParser
import urllib2
import bencode, hashlib, base64, urllib
def download_torrent(url, filename):
try:
if r'bt.box.n0808.com' in url:
headers = {
"Referer": "http://bt.box.n0808.com",
"User-Agent": "Mozilla/5.0"
}
request = urllib2.Request(url, headers=headers)
torrent = urllib2.urlopen(request)
else:
torrent = urllib2.urlopen(url, timeout=20)
except Exception, e:
print 'Error: ' + str(e)
print 'URL: ' + url
return None
data = torrent.read()
if len(data) > 0:
with open(filename, 'wb') as output:
output.write(data)
return filename
else:
print 'Error: Get an 0 byte torrent.'
print 'URL: ' + url
return None
def magnet2torrent_cache(magnet, output_name=None):
if output_name and not os.path.isdir(output_name) and not os.path.isdir(os.path.dirname(os.path.abspath(output_name))):
print("Invalid output folder: " + os.path.dirname(os.path.abspath(output_name)))
print("")
sys.exit(0)
hash_str = magnet.split('&')[0].split(':')[-1]
if len(hash_str) == 40:
hash_sha1 = hash_str.upper()
hash_base32 = base64.b32encode(hash_str.decode('hex')).upper()
else:
hash_base32 = hash_str.upper()
hash_sha1 = base64.b32decode(hash_str).encode('hex').upper()
if output_name:
if os.path.isdir(output_name):
output = os.path.abspath(os.path.join(output_name, hash_str + '.torrent'))
elif os.path.isdir(os.path.dirname(os.path.abspath(output_name))):
output = os.path.abspath(output_name)
else:
output = os.path.abspath(hash_str + '.torrent')
url_xunlei = 'http://bt.box.n0808.com/%s/%s/%s.torrent' % (hash_sha1[:2], hash_sha1[-2:], hash_sha1)
url_torrent = 'http://www.torrent.org.cn/Home/torrent/download.html?hash=%s' % hash_sha1
url_torcache = 'http://torcache.net/torrent/%s.torrent' % hash_sha1
url_torrage = 'http://torrage.com/torrent/%s.torrent' % hash_sha1
url_zoink = 'http://zoink.it/torrent/%s.torrent' % hash_sha1
url_ip = 'https://178.73.198.210/torrent/%s.torrent' % hash_sha1
url_vuze = 'http://magnet.vuze.com/magnetLookup?hash=%s' % hash_base32
url_torrentkittycn = 'http://d1.torrentkittycn.com/?infohash=%s' % hash_sha1
url_karmorra = 'http://reflektor.karmorra.info/torrent/%s.torrent' % hash_sha1
urls = [url_xunlei, url_torrent, url_torcache, url_torrage, url_zoink, url_ip, url_vuze, url_torrentkittycn, url_karmorra]
for url in urls:
torrent = download_torrent(url, output)
if torrent:
return torrent
if not torrent:
print '[!] Can not download torrent from cache.'
return None
def magnet2torrent_libtorrent(magnet, output_name=None):
if output_name and not os.path.isdir(output_name) and not os.path.isdir(os.path.dirname(os.path.abspath(output_name))):
print("Invalid output folder: " + os.path.dirname(os.path.abspath(output_name)))
print("")
sys.exit(0)
tempdir = tempfile.mkdtemp()
ses = libtorrent.session()
# one could want to set this
ses.listen_on(6881, 6882)
ses.add_dht_router("router.utorrent.com", 6881)
ses.add_dht_router("router.bittorrent.com", 6881)
ses.add_dht_router("router.bitcomet.com", 6881)
ses.add_dht_router("dht.transmissionbt.com", 6881)
ses.add_dht_router("dht.aelitis.com", 6881)
ses.add_dht_router("67.215.246.10", 6881)
ses.add_dht_router("82.221.103.244", 6881)
ses.start_dht()
ses.start_lsd()
ses.start_upnp()
ses.start_natpmp()
# add 'url'. for add_torrent()
params = {
'url': magnet,
'save_path': tempdir,
'storage_mode': libtorrent.storage_mode_t(2),
'paused': False,
'auto_managed': True,
'duplicate_is_error': True
}
# add_magnet_uri is deprecated
# http://www.rasterbar.com/products/libtorrent/manual.html#add-magnet-uri
# handle = libtorrent.add_magnet_uri(ses, magnet, params)
handle = ses.add_torrent(params)
print("Downloading Metadata (this may take a while)")
# used to control "Maybe..." msgs
# after sleep(1)
x = 1
limit = 120
while (not handle.has_metadata()):
try:
sleep(1)
if x > limit:
print("Maybe your firewall is blocking, or the magnet link is not right...")
limit += 30
x += 1
except KeyboardInterrupt:
print("Aborting...")
ses.pause()
print("Cleanup dir " + tempdir)
shutil.rmtree(tempdir)
sys.exit(0)
ses.pause()
print 'Got metadata, starting torrent download...'
torinfo = handle.get_torrent_info()
torfile = libtorrent.create_torrent(torinfo)
output = os.path.abspath(torinfo.name() + ".torrent")
if output_name:
if os.path.isdir(output_name):
output = os.path.abspath(os.path.join(output_name, torinfo.name() + ".torrent"))
elif os.path.isdir(os.path.dirname(os.path.abspath(output_name))):
output = os.path.abspath(output_name)
print("Saving torrent file here: " + output + " ...")
torcontent = libtorrent.bencode(torfile.generate())
f = open(output, "wb")
f.write(libtorrent.bencode(torfile.generate()))
f.close()
print("Saved! Cleaning up dir: " + tempdir)
ses.remove_torrent(handle)
shutil.rmtree(tempdir)
return output
def main():
parser = ArgumentParser(description="A command line tool that converts magnet links in to .torrent files")
parser.add_argument('-m','--magnet', help='The magnet url')
parser.add_argument('-o','--output', help='The output torrent file name')
#
# This second parser is created to force the user to provide
# the 'output' arg if they provide the 'magnet' arg.
#
# The current version of argparse does not have support
# for conditionally required arguments. That is the reason
# for creating the second parser
#
# Side note: one should look into forking argparse and adding this
# feature.
#
conditionally_required_arg_parser = ArgumentParser(description="A command line tool that converts magnet links in to .torrent files")
conditionally_required_arg_parser.add_argument('-m','--magnet', help='The magnet url', required=True)
conditionally_required_arg_parser.add_argument('-o','--output', help='The output torrent file name')
magnet = None
output_name = None
#
# Attemos.pathing to retrieve args using the new method
#
args = vars(parser.parse_known_args()[0])
if args['magnet'] is not None:
magnet = args['magnet']
argsHack = vars(conditionally_required_arg_parser.parse_known_args()[0])
output_name = argsHack['output']
if args['output'] is not None and output_name is None:
output_name = args['output']
if magnet is None:
#
# This is a special case.
# This is when the user provides only the "output" args.
# We're forcing him to provide the 'magnet' args in the new method
#
print ('usage: {0} [-h] [-m MAGNET] -o OUTPUT'.format(sys.argv[0]))
print ('{0}: error: argument -m/--magnet is required'.format(sys.argv[0]))
sys.exit()
#
# Defaulibtorrenting to the old of doing things
#
if output_name is None and magnet is None:
if len(sys.argv) >= 2:
magnet = sys.argv[1]
if len(sys.argv) >= 3:
output_name = sys.argv[2]
if magnet:
print magnet, output_name
torrent = magnet2torrent_cache(magnet, output_name)
if torrent:
print '[*] Get torrent from cache successed.'
else:
print '[*] Using libtorrent to get torrent.'
magnet2torrent_libtorrent(magnet, output_name)
else:
print ('usage: {0} [-h] [-m MAGNET] -o OUTPUT'.format(sys.argv[0]))
if __name__ == "__main__":
main()