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56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-today pretix GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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import hashlib
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import time
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from django.contrib.staticfiles import finders
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from django.http import HttpResponse
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from django.utils.http import http_date
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from django.views.decorators.gzip import gzip_page
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from django.views.decorators.http import condition
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from pretix.presale.style import get_theme_vars_css
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# we never change static source without restart, so we can cache this thread-wise
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_source_cache_key = None
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def _get_source_cache_key():
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global _source_cache_key
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if not _source_cache_key:
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with open(finders.find("pretixbase/scss/_theme_variables.scss"), "r") as f:
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_source_cache_key = hashlib.sha256(f.read().encode()).hexdigest()[:12]
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return _source_cache_key
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@gzip_page
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@condition(etag_func=lambda request, **kwargs: request.GET.get("version"))
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def theme_css(request, **kwargs):
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obj = getattr(request, "event", request.organizer)
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css = get_theme_vars_css(obj, widget=False)
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resp = HttpResponse(css, content_type="text/css")
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resp._csp_ignore = True
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resp["Access-Control-Allow-Origin"] = "*"
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if "version" in request.GET:
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resp["Expires"] = http_date(time.time() + 3600 * 24 * 30)
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return resp
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