How to prevent query injection on Google Big Query

Question

I\'m writing some Google Big-query dynamic reporting utilities to our website, that will allow users to select a parameter to be replaced in the query. Given th

Answer 1

Check "Defense Option 3: Escaping All User Supplied Input" in OWASP:

https://www.owasp.org/index.php/SQL_Injection_Prevention_Cheat_Sheet#Defense_Option_3:_Escaping_All_User_Supplied_Input

UPDATE: Parametrized queries are an option now

• https://cloud.google.com/bigquery/docs/parameterized-queries

Answer 2

Since the launch of standard SQL in BigQuery, it has been possible to use query parameters as a way of preventing SQL injection. In your query, you can specify named parameters using @ followed by a name, e.g.

SELECT x, y FROM T WHERE x <= @x_max AND y = @target_y;

You can then provide the parameter values through the query_parameters attribute of the API.