Interpret part of request url as parameter

Question

I'm currently working on something that would interpret part of the request url as a relative path (yes, I'm aware that this could pose a security risk).

It would look something like

/page/path/to/something

The parameter part would be /path/to/something.

Can I do this with regular routing or do I have to use something like rails metal to handle this myself?

Dave Newton · Accepted Answer · 2012-01-28 14:49:11Z

1

Use a routing constraint to allow slashes in route segments; nutshell (roughly):

match "page/:fqp" => "what#ever", :constraints => { :fqp => /[a-zA-Z0-9\/]*/ }

answered Jan 28, 2012 at 14:49

Dave Newton

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7 Comments

Femaref Over a year ago

Thanks for pointing me in the right direction, however, there also is route globbing, I'll post an answer to detail that.

Dave Newton Over a year ago

@Femaref Yes, there is, but IMO constraints are cleaner and more predictable, so I didn't include that.

Femaref Over a year ago

I'll accept your answer as I agree with you on the general case.

Dave Newton Over a year ago

@Femaref The funny part is that I used to think otherwise, not too long ago. Ultimately it just depends--for filenames, constraints are a better option, IMO.

Femaref Over a year ago

In the end it will be past through grit and a hash will be generated, based on that the actual file will be accessed. So it doesn't really matter in this case.

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Femaref · Accepted Answer · 2012-01-28 14:59:52Z

0

In addition to Deve Newton's answer, there also is route globbing, of the form

get "/page/*path", => "page#show"

It matches the page part and puts any additional content in the path as params[:path] in the detailed controller action.

answered Jan 28, 2012 at 14:59

Femaref

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