Tightens up security for calendar subscriptions #8363
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Previously, we were setting User::$me to the requested user ID after validating the user-supplied token. That opened a potential attack surface if the attacker could somehow convince the admin to install a modification that used the
integrate_query_eventintegration hook for nefarious purposes.With this change, we just look up the board IDs for the specified user and plug those directly into a customized query and leave User::$me alone.