59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# combo - content management system
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# Copyright (C) 2020 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by 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 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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import urllib.parse
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from django import template
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from django.conf import settings
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from django.urls import reverse
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from django.utils.encoding import force_bytes
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from django.utils.html import escape
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from django.utils.safestring import mark_safe
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from combo.utils import aes_hex_encrypt
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from combo.utils.misc import is_url_from_known_service
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register = template.Library()
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@register.filter
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def format_text(field, value):
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if field.get('pre'):
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return mark_safe('<pre>%s</pre>' % escape(value))
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return mark_safe('<p>' + '\n'.join([(escape(x) or '</p><p>') for x in value.splitlines()]) + '</p>')
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@register.simple_tag(takes_context=True)
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def make_public_url(context, url):
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if not url or not is_url_from_known_service(url) or not urllib.parse.urlparse(url).netloc:
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return url
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if hasattr(context, 'request'):
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request = context.request
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else:
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request = context.get('request')
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if request is None:
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return url
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if not request.session.session_key:
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request.session.cycle_key()
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session_key = request.session.session_key
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return reverse(
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'wcs-redirect-crypto-url',
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kwargs={
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'session_key': session_key,
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'crypto_url': aes_hex_encrypt(settings.SECRET_KEY, force_bytes(url)),
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},
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)
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