feat(integration): cilogon

Integration of CILogon, which is an academic OIDC service for the US research and education community.

httpx_oauth/clients/cilogon.py

@@ -0,0 +1,31 @@
+from typing import List, Optional, Final
+
+from httpx_oauth.clients.openid import OpenID
+
+
+BASE_SCOPES: Final = ["openid", "email"]
+AVAILABLE_SCOPES: Final = ["openid", "email", "profile", "org.cilogon.userinfo"]
+
+CILOGON_DOMAIN: Final = "cilogon.org"
+
+
+class CILogonOAuth2(OpenID):
+    """
+    Academic OIDC service for the US research and education community.
+
+    See https://www.cilogon.org/oidc for more information.
+    """
+    def __init__(
+        self,
+        client_id: str,
+        client_secret: str,
+        scopes: Optional[List[str]] = BASE_SCOPES,
+        name: str = "okta",
+    ):
+        super().__init__(
+            client_id,
+            client_secret,
+            f"https://{CILOGON_DOMAIN}/.well-known/openid-configuration",
+            name=name,
+            base_scopes=scopes,
+        )