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Fix server error if username is none #2039

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merged 1 commit into from
Jul 5, 2023
Merged

Fix server error if username is none #2039

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4 changes: 4 additions & 0 deletions physionet-django/user/backends.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,10 @@ class DualAuthModelBackend(ModelBackend):
This is a ModelBacked that allows authentication with either a username or an email address.
"""
def authenticate(self, request, username=None, password=None):
# After implementation of OAuth2, (presumably) many crawlers started to attempt
# authentication with tokens, causing server errors due to the comparison below.
if username is None:
return None
if '@' in username:
kwargs = {'email': username.lower()}
else:
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