import json import os from ipaddress import ip_address import flask from werkzeug import secure_filename from orderedset import OrderedSet from nyaa import models, utils from nyaa.extensions import db app = flask.current_app @utils.cached_function def get_category_id_map(): ''' Reads database for categories and turns them into a dict with ids as keys and name list as the value, ala {'1_0': ['Anime'], '1_2': ['Anime', 'English-translated'], ...} ''' cat_id_map = {} for main_cat in models.MainCategory.query: cat_id_map[main_cat.id_as_string] = [main_cat.name] for sub_cat in main_cat.sub_categories: cat_id_map[sub_cat.id_as_string] = [main_cat.name, sub_cat.name] return cat_id_map def _replace_utf8_values(dict_or_list): ''' Will replace 'property' with 'property.utf-8' and remove latter if it exists. Thanks, bitcomet! :/ ''' did_change = False if isinstance(dict_or_list, dict): for key in [key for key in dict_or_list.keys() if key.endswith('.utf-8')]: dict_or_list[key.replace('.utf-8', '')] = dict_or_list.pop(key) did_change = True for value in dict_or_list.values(): did_change = _replace_utf8_values(value) or did_change elif isinstance(dict_or_list, list): for item in dict_or_list: did_change = _replace_utf8_values(item) or did_change return did_change def handle_torrent_upload(upload_form, uploading_user=None, fromAPI=False): torrent_data = upload_form.torrent_file.parsed_data # The torrent has been validated and is safe to access with ['foo'] etc - all relevant # keys and values have been checked for (see UploadForm in forms.py for details) info_dict = torrent_data.torrent_dict['info'] changed_to_utf8 = _replace_utf8_values(torrent_data.torrent_dict) # Use uploader-given name or grab it from the torrent display_name = upload_form.display_name.data.strip() or info_dict['name'].decode('utf8').strip() information = (upload_form.information.data or '').strip() description = (upload_form.description.data or '').strip() torrent_filesize = info_dict.get('length') or sum( f['length'] for f in info_dict.get('files')) # In case no encoding, assume UTF-8. torrent_encoding = torrent_data.torrent_dict.get('encoding', b'utf-8').decode('utf-8') torrent = models.Torrent(info_hash=torrent_data.info_hash, display_name=display_name, torrent_name=torrent_data.filename, information=information, description=description, encoding=torrent_encoding, filesize=torrent_filesize, user=uploading_user, uploader_ip=ip_address(flask.request.remote_addr).packed) # Store bencoded info_dict torrent.info = models.TorrentInfo(info_dict=torrent_data.bencoded_info_dict) torrent.stats = models.Statistic() torrent.has_torrent = True # Fields with default value will be None before first commit, so set .flags torrent.flags = 0 torrent.anonymous = upload_form.is_anonymous.data if uploading_user else True torrent.hidden = upload_form.is_hidden.data torrent.remake = upload_form.is_remake.data torrent.complete = upload_form.is_complete.data # Copy trusted status from user if possible can_mark_trusted = uploading_user and uploading_user.is_trusted # To do, automatically mark trusted if user is trusted unless user specifies otherwise torrent.trusted = upload_form.is_trusted.data if can_mark_trusted else False # Set category ids torrent.main_category_id, torrent.sub_category_id = \ upload_form.category.parsed_data.get_category_ids() # To simplify parsing the filelist, turn single-file torrent into a list torrent_filelist = info_dict.get('files') used_path_encoding = changed_to_utf8 and 'utf-8' or torrent_encoding parsed_file_tree = dict() if not torrent_filelist: # If single-file, the root will be the file-tree (no directory) file_tree_root = parsed_file_tree torrent_filelist = [{'length': torrent_filesize, 'path': [info_dict['name']]}] else: # If multi-file, use the directory name as root for files file_tree_root = parsed_file_tree.setdefault( info_dict['name'].decode(used_path_encoding), {}) # Parse file dicts into a tree for file_dict in torrent_filelist: # Decode path parts from utf8-bytes path_parts = [path_part.decode(used_path_encoding) for path_part in file_dict['path']] filename = path_parts.pop() current_directory = file_tree_root for directory in path_parts: current_directory = current_directory.setdefault(directory, {}) # Don't add empty filenames (BitComet directory) if filename: current_directory[filename] = file_dict['length'] parsed_file_tree = utils.sorted_pathdict(parsed_file_tree) json_bytes = json.dumps(parsed_file_tree, separators=(',', ':')).encode('utf8') torrent.filelist = models.TorrentFilelist(filelist_blob=json_bytes) db.session.add(torrent) db.session.flush() # Store the users trackers trackers = OrderedSet() announce = torrent_data.torrent_dict.get('announce', b'').decode('ascii') if announce: trackers.add(announce) # List of lists with single item announce_list = torrent_data.torrent_dict.get('announce-list', []) for announce in announce_list: trackers.add(announce[0].decode('ascii')) # Store webseeds # qBittorrent doesn't omit url-list but sets it as '' even when there are no webseeds webseed_list = torrent_data.torrent_dict.get('url-list') or [] if isinstance(webseed_list, bytes): webseed_list = [webseed_list] # qB doesn't contain a sole url in a list webseeds = OrderedSet(webseed.decode('utf-8') for webseed in webseed_list) # Remove our trackers, maybe? TODO ? # Search for/Add trackers in DB db_trackers = OrderedSet() for announce in trackers: tracker = models.Trackers.by_uri(announce) # Insert new tracker if not found if not tracker: tracker = models.Trackers(uri=announce) db.session.add(tracker) db.session.flush() elif tracker.is_webseed: # If we have an announce marked webseed (user error, malicy?), reset it. # Better to have "bad" announces than "hiding" proper announces in webseeds/url-list. tracker.is_webseed = False db.session.flush() db_trackers.add(tracker) # Same for webseeds for webseed_url in webseeds: webseed = models.Trackers.by_uri(webseed_url) if not webseed: webseed = models.Trackers(uri=webseed_url, is_webseed=True) db.session.add(webseed) db.session.flush() # Don't add trackers into webseeds if webseed.is_webseed: db_trackers.add(webseed) # Store tracker refs in DB for order, tracker in enumerate(db_trackers): torrent_tracker = models.TorrentTrackers(torrent_id=torrent.id, tracker_id=tracker.id, order=order) db.session.add(torrent_tracker) db.session.commit() # Store the actual torrent file as well torrent_file = upload_form.torrent_file.data if app.config.get('BACKUP_TORRENT_FOLDER'): torrent_file.seek(0, 0) torrent_dir = app.config['BACKUP_TORRENT_FOLDER'] if not os.path.exists(torrent_dir): os.makedirs(torrent_dir) torrent_path = os.path.join(torrent_dir, '{}.{}'.format( torrent.id, secure_filename(torrent_file.filename))) torrent_file.save(torrent_path) torrent_file.close() return torrent