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add new timezone autosetting and cache header setting middlewares

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This commit is contained in:
Nick Sweeting 2021-04-10 04:16:12 -04:00
parent 1977ae8962
commit cf7d7e4990
4 changed files with 76 additions and 6 deletions
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37
archivebox/core/middleware.py Normal file
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@ -0,0 +1,37 @@
__package__ = 'archivebox.core'
from django.utils import timezone
from ..config import PUBLIC_SNAPSHOTS
def detect_timezone(request, activate: bool=True):
gmt_offset = (request.COOKIES.get('GMT_OFFSET') or '').strip()
tz = None
if gmt_offset.replace('-', '').isdigit():
tz = timezone.get_fixed_timezone(int(gmt_offset))
if activate:
timezone.activate(tz)
# print('GMT_OFFSET', gmt_offset, tz)
return tz
def TimezoneMiddleware(get_response):
def middleware(request):
detect_timezone(request, activate=True)
return get_response(request)
return middleware
def CacheControlMiddleware(get_response):
def middleware(request):
response = get_response(request)
if '/archive/' in request.path or '/static/' in request.path:
policy = 'public' if PUBLIC_SNAPSHOTS else 'private'
response['Cache-Control'] = f'{policy}, max-age=60, stale-while-revalidate=300'
# print('Set Cache-Control header to', response['Cache-Control'])
return response
return middleware

2
archivebox/core/settings.py
View file

@ -55,12 +55,14 @@ INSTALLED_APPS = [
MIDDLEWARE = [ MIDDLEWARE = [
'core.middleware.TimezoneMiddleware',
'django.middleware.security.SecurityMiddleware', 'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware', 'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware', 'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware', 'django.contrib.messages.middleware.MessageMiddleware',
'core.middleware.CacheControlMiddleware',
] ]
AUTHENTICATION_BACKENDS = [ AUTHENTICATION_BACKENDS = [

7
archivebox/templates/admin/base.html
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@ -1,5 +1,8 @@
{% load i18n static %}<!DOCTYPE html> {% load i18n static tz %}
{% get_current_language as LANGUAGE_CODE %}{% get_current_language_bidi as LANGUAGE_BIDI %} {% get_current_language as LANGUAGE_CODE %}
{% get_current_language_bidi as LANGUAGE_BIDI %}
<!DOCTYPE html>
<html lang="{{ LANGUAGE_CODE|default:"en-us" }}" {% if LANGUAGE_BIDI %}dir="rtl"{% endif %}> <html lang="{{ LANGUAGE_CODE|default:"en-us" }}" {% if LANGUAGE_BIDI %}dir="rtl"{% endif %}>
<head> <head>
<title>{% block title %}{% endblock %} | ArchiveBox</title> <title>{% block title %}{% endblock %} | ArchiveBox</title>

36
archivebox/templates/core/base.html
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@ -1,5 +1,4 @@
{% load admin_urls %} {% load static tz admin_urls %}
{% load static %}
<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
@ -66,6 +65,35 @@
</footer> </footer>
{% endblock %} {% endblock %}
</div> </div>
<script>
// hide images that fail to load
document.querySelector('body').addEventListener('error', function (e) {
e.target.style.opacity = 0;
}, true)
// setup timezone
{% get_current_timezone as TIME_ZONE %}
window.TIME_ZONE = '{{TIME_ZONE}}'
window.setCookie = function(name, value, days) {
let expires = ""
if (days) {
const date = new Date()
date.setTime(date.getTime() + (days*24*60*60*1000))
expires = "; expires=" + date.toUTCString()
}
document.cookie = name + "=" + (value || "") + expires + "; path=/"
}
function setTimeOffset() {
if (window.GMT_OFFSET) return
window.GMT_OFFSET = -(new Date).getTimezoneOffset()
window.setCookie('GMT_OFFSET', window.GMT_OFFSET, 365)
}
jQuery(document).ready(function () {
setTimeOffset();
});
</script>
</body> </body>
</html>
</html>