install authlib and psql driver

rootfs/py-pkgs/nextcloud_oicd_mapping_provider.py

@@ -0,0 +1,22 @@
+from synapse.handlers.oidc_handler import OidcMappingProvider
+
+
+class NextcloudOidcMappingProvider(OidcMappingProvider):
+    def __init__(self, config):
+        self._config = config
+
+    @staticmethod
+    def parse_config(config):
+        return {}
+
+    def get_remote_user_id(self, userinfo):
+        return userinfo["ocs"]["data"]["id"]
+
+    async def map_user_attributes(self, userinfo, token):
+        localpart = userinfo["ocs"]["data"]["id"]
+        display_name = userinfo["ocs"]["data"]["display-name"]
+        return {"localpart": localpart, "display_name": display_name}
+
+    async def get_extra_attributes(self, userinfo, token):
+        extras = {}
+        return extras