40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
"""
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Views for the rss_proxy djangoapp.
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"""
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import requests
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from django.conf import settings
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from django.core.cache import cache
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from django.http import HttpResponse, HttpResponseNotFound
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from lms.djangoapps.rss_proxy.models import WhitelistedRssUrl
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CACHE_KEY_RSS = "rss_proxy.{url}"
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def proxy(request):
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"""
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Proxy requests for the given RSS url if it has been whitelisted.
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"""
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url = request.GET.get('url')
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if url and WhitelistedRssUrl.objects.filter(url=url).exists():
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# Check cache for RSS if the given url is whitelisted
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cache_key = CACHE_KEY_RSS.format(url=url)
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status_code = 200
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rss = cache.get(cache_key, '')
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print(cache_key)
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print('Cached rss: %s' % rss)
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if not rss:
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# Go get the RSS from the URL if it was not cached
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resp = requests.get(url)
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status_code = resp.status_code
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if status_code == 200:
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# Cache RSS
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rss = resp.content
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cache.set(cache_key, rss, settings.RSS_PROXY_CACHE_TIMEOUT)
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return HttpResponse(rss, status=status_code, content_type='application/xml')
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return HttpResponseNotFound()
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