On 20 Dec 2008, at 18:31, Ben Knight wrote:

>
> What's the most recommended technique for guarding Rails HTTP params?
>
> For example, something like this can obviously be dangerous (e.g. SQL
> injection)
>    user_account = UserAccount.find(:first, :conditions => ["username =
> ?", params[:id])
>
If you read the docs, you would know that this sanitizes parameters  
precisely to guard against such injection :-)

Fred

> I am about to write a home-grown validation routine to check for  
> string
> lengths, data types (e.g. numeric versus string, depending on what I'm
> expecting), etc. but I wasn't sure if there are existing
> plugins/libraries out there.
>
> I was considering writing something like this:
>    id = validate_params(params[:id], "string", 10)  # 10 being
> max_length
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >


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