Ruby on Rails

Paul Lynch wrote in post #1121214:

> If, in your view, you are expecting params[:name] to be a string, but
> actually rails has parsed it into {"."=>"1234"} (or something more
> malicious), then currently
> <%= sanitize(params[:name]) %> blows up because the hash does not
> respond
> the expected methods from the sanitize call.
>
> I could put in code to check that the params values I am sanitizing are
> strings, but it seems like it would be better for sanitize to handle
> that,
> and perhaps just return the empty string if the processing of the input
> raises an exception.

Hum. It seems to me that "blowing up" is the right thing to do in this
scenario. More precisely an exception should be raised indicating a
programmer mistake of passing an illegal argument to a method expecting
a string.

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