structure saas with tools

.venv/lib/python3.10/site-packages/authlib/oauth2/rfc6750/validator.py

@@ -0,0 +1,42 @@
+"""authlib.oauth2.rfc6750.validator.
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Validate Bearer Token for in request, scope and token.
+"""
+
+from ..rfc6749 import TokenValidator
+from .errors import InsufficientScopeError
+from .errors import InvalidTokenError
+
+
+class BearerTokenValidator(TokenValidator):
+    TOKEN_TYPE = "bearer"
+
+    def authenticate_token(self, token_string):
+        """A method to query token from database with the given token string.
+        Developers MUST re-implement this method. For instance::
+
+            def authenticate_token(self, token_string):
+                return get_token_from_database(token_string)
+
+        :param token_string: A string to represent the access_token.
+        :return: token
+        """
+        raise NotImplementedError()
+
+    def validate_token(self, token, scopes, request):
+        """Check if token is active and matches the requested scopes."""
+        if not token:
+            raise InvalidTokenError(
+                realm=self.realm, extra_attributes=self.extra_attributes
+            )
+        if token.is_expired():
+            raise InvalidTokenError(
+                realm=self.realm, extra_attributes=self.extra_attributes
+            )
+        if token.is_revoked():
+            raise InvalidTokenError(
+                realm=self.realm, extra_attributes=self.extra_attributes
+            )
+        if self.scope_insufficient(token.get_scope(), scopes):
+            raise InsufficientScopeError()