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Viewing changes to modules/org/openteacher/logic/javaScript/safeHtmlChecker/safeHtmlChecker.py

  • Committer: Marten de Vries
  • Date: 2017-06-28 18:05:48 UTC
  • Revision ID: git-v1:b4c406307aa345c58b9904b76580f15c5bff2a4e
Move JS into npm modules

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modules/org/openteacher/logic/javaScript/safeHtmlChecker/safeHtmlChecker.py
 
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#! /usr/bin/env python3
 
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# -*- coding: utf-8 -*-
 
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#       Copyright 2013, 2017, Marten de Vries
 
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#
 
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#       This file is part of OpenTeacher.
 
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#
 
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#       OpenTeacher 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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#       OpenTeacher 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 OpenTeacher.  If not, see <http://www.gnu.org/licenses/>.
 
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class SafeHtmlCheckerModule:
 
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        def __init__(self, moduleManager, *args, **kwargs):
 
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                super().__init__(*args, **kwargs)
 
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                self._mm = moduleManager
 
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                self.type = "safeHtmlChecker"
 
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                self.requires = (
 
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                        self._mm.mods(type="javaScriptEvaluator"),
 
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                )
 
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        def isSafeHtml(self, html):
 
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                """Checks if it's safe to load an untrusted piece of ``html``
 
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                   into a user's browser. Uses a tag whitelist.
 
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                """
 
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                return self._js.global_["ot-safe-html-checker"](html)
 
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        def enable(self):
 
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                modules = next(iter(self._mm.mods(type="modules")))
 
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                self._js = modules.default(type="javaScriptEvaluator").loadModule('ot-safe-html-checker')
 
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                self.active = True
 
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        def disable(self):
 
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                self.active = False
 
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                del self._js
 
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def init(moduleManager):
 
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        return SafeHtmlCheckerModule(moduleManager)