mirror of
https://github.com/ProjectSynthoria/SynthoriaArchive.git
synced 2025-03-12 23:36:54 +02:00
318 lines
14 KiB
Python
318 lines
14 KiB
Python
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import flask
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from nyaa import app, db
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from nyaa import models, forms
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from nyaa import bencode, utils
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from nyaa import torrents
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import json
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import os.path
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from orderedset import OrderedSet
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from werkzeug import secure_filename
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DEBUG_API = False
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#################################### API ROUTES ####################################
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CATEGORIES = [
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('Anime', ['Anime Music Video', 'English-translated', 'Non-English-translated', 'Raw']),
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('Audio', ['Lossless', 'Lossy']),
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('Literature', ['English-translated', 'Non-English-translated', 'Raw']),
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('Live Action', ['English-translated',
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'Idol/Promotional Video', 'Non-English-translated', 'Raw']),
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('Pictures', ['Graphics', 'Photos']),
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('Software', ['Applications', 'Games']),
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]
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def validate_main_sub_cat(main_cat_name, sub_cat_name):
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for main_cat in models.MainCategory.query.order_by(models.MainCategory.id):
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if main_cat_name == main_cat.name:
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for sub_cat in main_cat.sub_categories:
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if sub_cat_name == sub_cat.name:
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cat_id = main_cat.id_as_string
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sub_cat_id = sub_cat.id_as_string
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cat_sub_cat = sub_cat_id.split('_')
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#print('cat: {0} sub_cat: {1}'.format(cat_sub_cat[0], cat_sub_cat[1]))
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return True, cat_sub_cat[0], cat_sub_cat[1]
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return False, 0, 0
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def _replace_utf8_values(dict_or_list):
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''' Will replace 'property' with 'property.utf-8' and remove latter if it exists.
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Thanks, bitcomet! :/ '''
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did_change = False
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if isinstance(dict_or_list, dict):
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for key in [key for key in dict_or_list.keys() if key.endswith('.utf-8')]:
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dict_or_list[key.replace('.utf-8', '')] = dict_or_list.pop(key)
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did_change = True
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for value in dict_or_list.values():
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did_change = _replace_utf8_values(value) or did_change
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elif isinstance(dict_or_list, list):
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for item in dict_or_list:
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did_change = _replace_utf8_values(item) or did_change
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return did_change
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def validate_torrent_flags(torrent_flags):
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_torrent_flags = ['hidden', 'remake', 'complete', 'anonymous']
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if len(torrent_flags) != 4:
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return False
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for flag in torrent_flags:
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if int(flag) not in [0, 1]:
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return False
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return True
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# It might be good to factor this out of forms UploadForm because the same code is
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# used in both files.
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def validate_torrent_file(torrent_file_name, torrent_file):
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# Decode and ensure data is bencoded data
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try:
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torrent_dict = bencode.decode(torrent_file)
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except (bencode.MalformedBencodeException, UnicodeError):
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return False, 'Malformed torrent file'
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# Uncomment for debug print of the torrent
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# forms._debug_print_torrent_metadata(torrent_dict)
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try:
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forms._validate_torrent_metadata(torrent_dict)
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except AssertionError as e:
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return False, 'Malformed torrent metadata ({})'.format(e.args[0])
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# Note! bencode will sort dict keys, as per the spec
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# This may result in a different hash if the uploaded torrent does not match the
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# spec, but it's their own fault for using broken software! Right?
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bencoded_info_dict = bencode.encode(torrent_dict['info'])
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info_hash = utils.sha1_hash(bencoded_info_dict)
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# Check if the info_hash exists already in the database
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existing_torrent = models.Torrent.by_info_hash(info_hash)
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if existing_torrent:
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return False, 'That torrent already exists (#{})'.format(existing_torrent.id)
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# Torrent is legit, pass original filename and dict along
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return True, forms.TorrentFileData(filename=os.path.basename(torrent_file_name),
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torrent_dict=torrent_dict,
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info_hash=info_hash,
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bencoded_info_dict=bencoded_info_dict)
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def api_upload(upload_request):
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if upload_request.method == 'POST':
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j = None
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torrent_file = None
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try:
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if 'json' in upload_request.files:
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f = upload_request.files['json']
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j = json.loads(f.read().decode('utf-8'))
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if DEBUG_API:
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print(json.dumps(j, indent=4))
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_json_keys = ['username', 'password',
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'display_name', 'main_cat', 'sub_cat', 'flags'] # 'information' and 'description' are not required
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# Check that required fields are present
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for _k in _json_keys:
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if _k not in j.keys():
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return flask.make_response(flask.jsonify({"Error": "Missing JSON field: {0}.".format(_k)}), 400)
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# Check that no extra fields are present
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for k in j.keys():
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if k not in ['username', 'password',
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'display_name', 'main_cat', 'sub_cat', 'information', 'description', 'flags']:
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return flask.make_response(flask.jsonify({"Error": "Incorrect JSON field(s)."}), 400)
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else:
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return flask.make_response(flask.jsonify({"Error": "No metadata."}), 400)
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if 'torrent' in upload_request.files:
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f = upload_request.files['torrent']
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if DEBUG_API:
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print(f.filename)
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torrent_file = f
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# print(f.read())
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else:
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return flask.make_response(flask.jsonify({"Error": "No torrent file."}), 400)
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# 'username' and 'password' must have been provided as they are part of j.keys()
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username = j['username']
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password = j['password']
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# Validate that the provided username and password belong to a valid user
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user = models.User.by_username(username)
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if not user:
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user = models.User.by_email(username)
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if not user or password != user.password_hash or user.status == models.UserStatusType.INACTIVE:
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return flask.make_response(flask.jsonify({"Error": "Incorrect username or password"}), 403)
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current_user = user
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display_name = j['display_name']
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if (len(display_name) < 3) or (len(display_name) > 1024):
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return flask.make_response(flask.jsonify({"Error": "Torrent name must be between 3 and 1024 characters."}), 400)
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main_cat_name = j['main_cat']
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sub_cat_name = j['sub_cat']
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cat_subcat_status, cat_id, sub_cat_id = validate_main_sub_cat(
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main_cat_name, sub_cat_name)
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if not cat_subcat_status:
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return flask.make_response(flask.jsonify({"Error": "Incorrect Category / Sub-Category."}), 400)
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# TODO Sanitize information
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information = None
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try:
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information = j['information']
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if len(information) > 255:
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return flask.make_response(flask.jsonify({"Error": "Information is limited to 255 characters."}), 400)
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except Exception as e:
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information = ''
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# TODO Sanitize description
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description = None
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try:
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description = j['description']
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if len(description) > (10 * 1024):
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return flask.make_response(flask.jsonify({"Error": "Description is limited to {0} characters.".format(10 * 1024)}), 403)
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except Exception as e:
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description = ''
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v_flags = validate_torrent_flags(j['flags'])
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if v_flags:
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torrent_flags = j['flags']
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else:
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return flask.make_response(flask.jsonify({"Error": "Incorrect torrent flags."}), 400)
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torrent_status, torrent_data = validate_torrent_file(
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torrent_file.filename, torrent_file.read()) # Needs validation
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if not torrent_status:
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return flask.make_response(flask.jsonify({"Error": "Invalid or Duplicate torrent file."}), 400)
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# The torrent has been validated and is safe to access with ['foo'] etc - all relevant
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# keys and values have been checked for (see UploadForm in forms.py for details)
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info_dict = torrent_data.torrent_dict['info']
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changed_to_utf8 = _replace_utf8_values(torrent_data.torrent_dict)
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torrent_filesize = info_dict.get('length') or sum(
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f['length'] for f in info_dict.get('files'))
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# In case no encoding, assume UTF-8.
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torrent_encoding = torrent_data.torrent_dict.get('encoding', b'utf-8').decode('utf-8')
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torrent = models.Torrent(info_hash=torrent_data.info_hash,
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display_name=display_name,
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torrent_name=torrent_data.filename,
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information=information,
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description=description,
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encoding=torrent_encoding,
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filesize=torrent_filesize,
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user=current_user)
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# Store bencoded info_dict
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torrent.info = models.TorrentInfo(info_dict=torrent_data.bencoded_info_dict)
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torrent.stats = models.Statistic()
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torrent.has_torrent = True
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# Fields with default value will be None before first commit, so set .flags
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torrent.flags = 0
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torrent.anonymous = True if torrent_flags[0] else False
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torrent.hidden = True if torrent_flags[1] else False
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torrent.remake = True if torrent_flags[2] else False
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torrent.complete = True if torrent_flags[3] else False
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# Copy trusted status from user if possible
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torrent.trusted = (current_user.level >=
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models.UserLevelType.TRUSTED) if current_user else False
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# Set category ids
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torrent.main_category_id = cat_id
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torrent.sub_category_id = sub_cat_id
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# To simplify parsing the filelist, turn single-file torrent into a list
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torrent_filelist = info_dict.get('files')
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used_path_encoding = changed_to_utf8 and 'utf-8' or torrent_encoding
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parsed_file_tree = dict()
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if not torrent_filelist:
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# If single-file, the root will be the file-tree (no directory)
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file_tree_root = parsed_file_tree
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torrent_filelist = [{'length': torrent_filesize, 'path': [info_dict['name']]}]
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else:
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# If multi-file, use the directory name as root for files
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file_tree_root = parsed_file_tree.setdefault(
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info_dict['name'].decode(used_path_encoding), {})
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# Parse file dicts into a tree
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for file_dict in torrent_filelist:
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# Decode path parts from utf8-bytes
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path_parts = [path_part.decode(used_path_encoding)
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for path_part in file_dict['path']]
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filename = path_parts.pop()
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current_directory = file_tree_root
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for directory in path_parts:
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current_directory = current_directory.setdefault(directory, {})
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current_directory[filename] = file_dict['length']
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parsed_file_tree = utils.sorted_pathdict(parsed_file_tree)
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json_bytes = json.dumps(parsed_file_tree, separators=(',', ':')).encode('utf8')
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torrent.filelist = models.TorrentFilelist(filelist_blob=json_bytes)
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db.session.add(torrent)
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db.session.flush()
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# Store the users trackers
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trackers = OrderedSet()
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announce = torrent_data.torrent_dict.get('announce', b'').decode('ascii')
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if announce:
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trackers.add(announce)
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# List of lists with single item
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announce_list = torrent_data.torrent_dict.get('announce-list', [])
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for announce in announce_list:
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trackers.add(announce[0].decode('ascii'))
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# Remove our trackers, maybe? TODO ?
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# Search for/Add trackers in DB
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db_trackers = OrderedSet()
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for announce in trackers:
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tracker = models.Trackers.by_uri(announce)
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# Insert new tracker if not found
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if not tracker:
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tracker = models.Trackers(uri=announce)
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db.session.add(tracker)
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db_trackers.add(tracker)
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db.session.flush()
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# Store tracker refs in DB
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for order, tracker in enumerate(db_trackers):
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torrent_tracker = models.TorrentTrackers(torrent_id=torrent.id,
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tracker_id=tracker.id, order=order)
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db.session.add(torrent_tracker)
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db.session.commit()
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if app.config.get('BACKUP_TORRENT_FOLDER'):
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torrent_file.seek(0, 0)
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torrent_path = os.path.join(app.config['BACKUP_TORRENT_FOLDER'], '{}.{}'.format(torrent.id, secure_filename(torrent_file.filename)))
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torrent_file.save(torrent_path)
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torrent_file.close()
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#print('Success? {0}'.format(torrent.id))
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return flask.make_response(flask.jsonify({"Success": "Request was processed {0}".format(torrent.id)}), 200)
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except Exception as e:
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print('Exception: {0}'.format(e))
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return flask.make_response(flask.jsonify({"Error": "Incorrect JSON. Please see HELP page for examples."}), 400)
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else:
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return flask.make_response(flask.jsonify({"Error": "Bad request"}), 400)
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