1 files changed, 38 insertions, 0 deletions
diff --git a/db/rest/login/_api_verify_jwt.sql b/db/rest/login/_api_verify_jwt.sql
new file mode 100644
index 0000000..f5a6daf
--- /dev/null
+++ b/db/rest/login/_api_verify_jwt.sql
@@ -0,0 +1,38 @@
+CREATE FUNCTION _api.verify_jwt(
+	_token TEXT
+)
+RETURNS INTEGER
+LANGUAGE plpgsql VOLATILE
+AS $BODY$
+DECLARE
+	_payload JSON;
+	_valid BOOLEAN;
+	_jwt_secret TEXT;
+BEGIN
+	SELECT jwt_secret INTO _jwt_secret
+	FROM sys.database_info
+	WHERE name = current_database();
+
+	SELECT payload, valid
+	INTO _payload, _valid
+	FROM public.verify(
+		_token,
+		_jwt_secret
+	);
+
+	IF NOT FOUND THEN
+		RETURN NULL;
+	END IF;
+
+	IF _valid <> TRUE THEN
+		RETURN NULL;
+	END IF;
+
+	RETURN _payload->>'user_id';
+END
+$BODY$;
+
+GRANT EXECUTE ON FUNCTION _api.verify_jwt(TEXT)
+	TO rest_anon, rest_user;
+GRANT SELECT ON TABLE sys.database_info
+	TO rest_anon, rest_user;