mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-28 12:30:00 +00:00
49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from . import logger
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from lxml.etree import ParserError
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log = logger.create()
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try:
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# at least bleach 6.0 is needed -> incomplatible change from list arguments to set arguments
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from bleach import clean as clean_html
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from bleach.sanitizer import ALLOWED_TAGS
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bleach = True
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except ImportError:
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from nh3 import clean as clean_html
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bleach = False
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def clean_string(unsafe_text, book_id=0):
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try:
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if bleach:
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allowed_tags = list(ALLOWED_TAGS)
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allowed_tags.extend(["p", "span", "div", "pre", "br", "h1", "h2", "h3", "h4", "h5", "h6"])
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safe_text = clean_html(unsafe_text, tags=set(allowed_tags))
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else:
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safe_text = clean_html(unsafe_text)
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except ParserError as e:
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log.error("Comments of book {} are corrupted: {}".format(book_id, e))
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safe_text = ""
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except TypeError as e:
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log.error("Comments can't be parsed, maybe 'lxml' is too new, try installing 'bleach': {}".format(e))
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safe_text = ""
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return safe_text
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