2017-05-12 18:51:49 +00:00
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import base64
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2017-07-28 17:01:19 +00:00
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import os
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2017-05-12 18:51:49 +00:00
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import time
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from urllib.parse import urlencode
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2017-07-28 17:01:19 +00:00
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2017-05-12 18:51:49 +00:00
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from orderedset import OrderedSet
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2017-07-28 17:01:19 +00:00
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from nyaa import app, bencode
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2017-05-12 18:51:49 +00:00
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USED_TRACKERS = OrderedSet()
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2017-05-22 20:59:21 +00:00
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# Limit the amount of trackers added into .torrent files
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MAX_TRACKERS = 5
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2017-05-12 18:51:49 +00:00
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2017-05-22 21:01:23 +00:00
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2017-05-12 18:51:49 +00:00
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def read_trackers_from_file(file_object):
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USED_TRACKERS.clear()
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for line in file_object:
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line = line.strip()
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if line:
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USED_TRACKERS.add(line)
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return USED_TRACKERS
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def read_trackers():
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tracker_list_file = os.path.join(app.config['BASE_DIR'], 'trackers.txt')
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if os.path.exists(tracker_list_file):
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with open(tracker_list_file, 'r') as in_file:
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return read_trackers_from_file(in_file)
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def default_trackers():
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if not USED_TRACKERS:
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read_trackers()
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return USED_TRACKERS[:]
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def get_trackers(torrent):
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2017-05-13 13:46:08 +00:00
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trackers = OrderedSet()
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# Our main one first
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main_announce_url = app.config.get('MAIN_ANNOUNCE_URL')
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if main_announce_url:
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trackers.add(main_announce_url)
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2017-05-12 18:51:49 +00:00
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2017-05-13 13:46:08 +00:00
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# then the user ones
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torrent_trackers = torrent.trackers
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2017-05-12 18:51:49 +00:00
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for torrent_tracker in torrent_trackers:
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trackers.add(torrent_tracker.tracker.uri)
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2017-05-13 13:46:08 +00:00
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# and finally our tracker list
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trackers.update(default_trackers())
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2017-05-12 18:51:49 +00:00
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return list(trackers)
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2017-05-16 09:47:06 +00:00
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2017-05-25 06:19:08 +00:00
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def get_default_trackers():
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2017-05-16 07:46:25 +00:00
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trackers = OrderedSet()
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# Our main one first
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main_announce_url = app.config.get('MAIN_ANNOUNCE_URL')
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if main_announce_url:
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trackers.add(main_announce_url)
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# and finally our tracker list
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trackers.update(default_trackers())
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return list(trackers)
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2017-05-12 18:51:49 +00:00
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def create_magnet(torrent, max_trackers=5, trackers=None):
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2017-05-25 06:19:08 +00:00
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# Unless specified, we just use default trackers
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2017-05-12 18:51:49 +00:00
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if trackers is None:
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2017-05-25 06:19:08 +00:00
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trackers = get_default_trackers()
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2017-05-12 18:51:49 +00:00
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magnet_parts = [
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('dn', torrent.display_name)
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]
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for tracker in trackers[:max_trackers]:
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magnet_parts.append(('tr', tracker))
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b32_info_hash = base64.b32encode(torrent.info_hash).decode('utf-8')
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return 'magnet:?xt=urn:btih:' + b32_info_hash + '&' + urlencode(magnet_parts)
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2017-05-16 07:46:25 +00:00
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# For processing ES links
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@app.context_processor
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2017-05-25 06:19:08 +00:00
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def create_magnet_from_es_info():
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def _create_magnet_from_es_info(display_name, info_hash, max_trackers=5, trackers=None):
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2017-05-16 07:46:25 +00:00
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if trackers is None:
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2017-05-25 06:19:08 +00:00
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trackers = get_default_trackers()
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2017-05-16 07:46:25 +00:00
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magnet_parts = [
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('dn', display_name)
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]
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for tracker in trackers[:max_trackers]:
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magnet_parts.append(('tr', tracker))
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b32_info_hash = base64.b32encode(bytes.fromhex(info_hash)).decode('utf-8')
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return 'magnet:?xt=urn:btih:' + b32_info_hash + '&' + urlencode(magnet_parts)
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2017-05-25 06:19:08 +00:00
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return dict(create_magnet_from_es_info=_create_magnet_from_es_info)
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2017-05-16 07:46:25 +00:00
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2017-05-12 18:51:49 +00:00
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def create_default_metadata_base(torrent, trackers=None):
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if trackers is None:
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trackers = get_trackers(torrent)
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metadata_base = {
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'created by': 'NyaaV2',
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'creation date': int(time.time()),
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'comment': 'NyaaV2 Torrent #' + str(torrent.id), # Throw the url here or something neat
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# 'encoding' : 'UTF-8' # It's almost always UTF-8 and expected, but if it isn't...
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}
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if len(trackers) > 0:
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metadata_base['announce'] = trackers[0]
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if len(trackers) > 1:
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# Yes, it's a list of lists with a single element inside.
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2017-05-22 20:59:21 +00:00
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metadata_base['announce-list'] = [[tracker] for tracker in trackers[:MAX_TRACKERS]]
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2017-05-12 18:51:49 +00:00
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return metadata_base
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def create_bencoded_torrent(torrent, metadata_base=None):
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''' Creates a bencoded torrent metadata for a given torrent,
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optionally using a given metadata_base dict (note: 'info' key will be
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popped off the dict) '''
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if metadata_base is None:
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metadata_base = create_default_metadata_base(torrent)
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metadata_base['encoding'] = torrent.encoding
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# Make sure info doesn't exist on the base
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metadata_base.pop('info', None)
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prefixed_dict = {key: metadata_base[key] for key in metadata_base if key < 'info'}
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suffixed_dict = {key: metadata_base[key] for key in metadata_base if key > 'info'}
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prefix = bencode.encode(prefixed_dict)
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suffix = bencode.encode(suffixed_dict)
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bencoded_info = torrent.info.info_dict
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2017-05-14 17:14:49 +00:00
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bencoded_torrent = prefix[:-1] + b'4:info' + bencoded_info + suffix[1:]
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2017-05-12 18:51:49 +00:00
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return bencoded_torrent
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