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Ensure expected fields exist for Post.by_ap

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Michael Manfre 2023-01-25 22:59:50 -05:00 committed by Andrew Godwin
parent 6437a5aeb7
commit 773c9b2afc
1 changed files with 11 additions and 2 deletions
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13
activities/models/post.py
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@ -755,11 +755,20 @@ class Post(StatorModel):
or it's from a blocked domain.
"""
try:
# Ensure data has the primary fields of all Posts
if (
not isinstance(data["id"], str)
or not isinstance(data["attributedTo"], str)
or not isinstance(data["type"], str)
):
raise TypeError()
# Ensure the domain of the object's actor and ID match to prevent injection
if urlparse(data["id"]).hostname != urlparse(data["attributedTo"]).hostname:
raise ValueError("Object's ID domain is different to its author")
except (TypeError, KeyError):
raise ValueError("Object data is not a recognizable ActivityPub object")
except (TypeError, KeyError) as ex:
raise cls.DoesNotExist(
"Object data is not a recognizable ActivityPub object"
) from ex
# Do we have one with the right ID?
created = False