35 lines
1 KiB
Python
35 lines
1 KiB
Python
from urllib.parse import urlparse
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from django.contrib.sites.models import Site
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from django.http import HttpResponse
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from django.urls import resolve, Resolver404
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from micropub import error
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from .models import Entry
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def from_url(url: str) -> Entry:
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domain = Site.objects.get_current().domain
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if not url:
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raise error.bad_req("url parameter required")
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if "//" not in url:
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url = "//" + url
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parts = urlparse(url, scheme="https")
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if parts.scheme not in ("http", "https") or parts.netloc != domain:
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raise error.bad_req("url does not point to this site")
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try:
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match = resolve(parts.path)
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except Resolver404:
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raise error.bad_req("url does not point to a valid page on this site")
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if match.view_name != "entries:entry":
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raise error.bad_req("url does not point to an entry on this site")
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try:
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entry = Entry.objects.get(pk=match.kwargs["id"])
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except Entry.DoesNotExist:
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raise error.bad_req("url does not point to an existing entry")
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return entry
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