mirror of https://github.com/OCA/web.git
45 lines
1.9 KiB
Python
45 lines
1.9 KiB
Python
##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# This module copyright (C) 2015 Therp BV (<http://therp.nl>).
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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 Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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import re
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from lxml.html import clean
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from openerp import models
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class CkeditorMonkeypatch(models.AbstractModel):
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_name = "ckeditor.monkeypatch"
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_description = "Monkeypatches for CKEditor"
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def _register_hook(self):
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marker = self._name.replace(".", "_")
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if not hasattr(clean, marker):
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# monkey patch lxml's html cleaner to allow image data urls
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if hasattr(clean, "_is_javascript_scheme"):
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# this is the case in lxml >= 3.3
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_is_javascript_scheme = clean._is_javascript_scheme
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_is_image_dataurl = re.compile(r"^data:image/.+;base64", re.I).search
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clean._is_javascript_scheme = (
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lambda s: None if _is_image_dataurl(s) else _is_javascript_scheme(s)
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)
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# TODO: do something else for 2.3.1 <= version <= 3.2, before data
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# urls were not cleaned at all
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setattr(clean, marker, True)
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return super(CkeditorMonkeypatch, self)._register_hook()
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