svn代理预先处理（服务器到客户端）服务

Is it possible to setup something like svn proxy that can manage the precommit tasks? Lets say that we have our svn branch and we don't have any access to svn server settings. However we want to have something (service) which can see our branch and work as a proxy for svn so developer can commit to this service and after some actions his request will get to the branch. The outside interface should be exactly the same as a normal svn server. So users should not be able to understand if they commit directly or there is something in between. In general something like a gate.Is it possible to setup something like svn prox