43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
import base64
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import binascii
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from urllib.parse import unquote
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from authlib.common.encoding import to_unicode
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def list_to_scope(scope):
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"""Convert a list of scopes to a space separated string."""
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if isinstance(scope, (set, tuple, list)):
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return " ".join([to_unicode(s) for s in scope])
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if scope is None:
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return scope
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return to_unicode(scope)
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def scope_to_list(scope):
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"""Convert a space separated string to a list of scopes."""
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if isinstance(scope, (tuple, list, set)):
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return [to_unicode(s) for s in scope]
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elif scope is None:
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return None
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return scope.strip().split()
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def extract_basic_authorization(headers):
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auth = headers.get("Authorization")
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if not auth or " " not in auth:
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return None, None
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auth_type, auth_token = auth.split(None, 1)
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if auth_type.lower() != "basic":
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return None, None
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try:
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query = to_unicode(base64.b64decode(auth_token))
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except (binascii.Error, TypeError):
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return None, None
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if ":" in query:
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username, password = query.split(":", 1)
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return unquote(username), unquote(password)
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return query, None
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