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EmbedAPI: allow CORS for /api/v3/embed/ #8543

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Sep 30, 2021
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7 changes: 7 additions & 0 deletions readthedocs/core/signals.py
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
'/api/v2/search',
'/api/v2/docsearch',
'/api/v2/embed',
'/api/v3/embed',
]

webhook_github = Signal(providing_args=['project', 'data', 'event'])
Expand Down Expand Up @@ -76,6 +77,12 @@ def decide_if_cors(sender, request, **kwargs): # pylint: disable=unused-argumen
url = request.GET.get('url')
if url:
unresolved = unresolve(url)
if unresolved is None:
# NOTE: Embed APIv3 now supports external sites. In that case
# ``unresolve()`` will return None and we want to allow it
# since the target is a public project.
return True

project = unresolved.project
version_slug = unresolved.version_slug
else:
Expand Down