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Use HttpUrlOperations.probe_url() for authentication info determination #38

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Use HttpUrlOperations.probe_url() for authentication info determination #38

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30 changes: 16 additions & 14 deletions tests/test_datalad_workflows/utils.py
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Original file line number Diff line number Diff line change
@@ -1,22 +1,24 @@
from __future__ import annotations

import requests
import www_authenticate
from datalad_next.url_operations.http import HttpUrlOperations


def get_restricted_realm(url: str) -> str | None:
"""A very simple function to get the realm for restricted access
"""Get the realm for basic auth-restricted access
This will only work, if the server returns a 'www-authenticate'-
header, and if the authentication method is 'basic'
"""
Parameters
----------
url: str
URL to probe
r = requests.get(url)
Returns
-------
str | None
The name of the realm for basic authentication
or None, if either no authentication is required,
or if the authentication type is not "basic"
"""

auth_header_name = 'WWW-Authenticate'
auth_header = r.headers.get(auth_header_name, None)
if auth_header:
parsed = www_authenticate.parse(auth_header)
if 'Basic' in parsed:
return parsed['Basic']['realm']
return None
http_url_ops = HttpUrlOperations()
_, url_properties = http_url_ops.probe_url(url)
return url_properties.get('auth', {}).get('basic', {}).get('realm')
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