Rails Ruby on Rails

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  Noah Hendrix June 30th, 2010 @ 02:45 AM

  This is Rails 3.0.0.beta4 on ruby 1.9.2dev (2010-05-31 revision 28117) [x86_64-darwin10.4.0]

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  José Valim June 30th, 2010 @ 12:12 PM

  • Assigned user set to “José Valim”
  • Importance changed from “” to “Low”

  Could you please provide a patch with a failing test case in Rails suite? Thanks a lot!

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  Bruno Michel June 30th, 2010 @ 01:26 PM

  If you redirect_to a custom protocol, like for to launch an iPhone app, and the URL part starts with a number, it throw an error. If I put a letter after the protocol (e.g. "surveysays://a" + params[:id]) the error goes away and it redirects as expected.

  I think it's the expected behaviour: AFAIK, the first URL doesn't respect the RFC 2396, but the second does.

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  Noah Hendrix June 30th, 2010 @ 04:27 PM

  From my reading of the RFC it seems that what I wanted to is perfectly allowed. Below I followed the path through to show what options my particular example should fall through to. I surrounded the relevant choices with asterisks. I've never read these kind of documents before so I am possibly missing something, let me know if that is the case.

  URI-reference = [ **absoluteURI** | relativeURI ] [ "#" fragment ]
  --> absoluteURI   = scheme ":" ( **hier_part** | opaque_part )
  -->  hier_part     = ( **net_path** | abs_path ) [ "?" query ]
  --> net_path      = "//" **authority** [ abs_path ]
  --> authority     = **server** | reg_name
  --> server        = [ [ userinfo "@" ] **hostport** ]
  --> hostport      = **host** [ ":" port ]
  --> host          = **hostname** | IPv4address
  --> hostname      = *( **domainlabel** "." ) toplabel [ "." ]
  --> domainlabel   = **alphanum** | alphanum *( alphanum | "-" ) alphanum
  --> alphanum      = alpha | **digit**
  --> digit    = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"
  

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  Bruno Michel June 30th, 2010 @ 05:05 PM

  --> hostname = *( domainlabel "." ) toplabel [ "." ]

  The trick is on this line. It should be read as: the toplabel is mandatory, but if you want, you can add a domainlabel plus a dot before the toplevel (in fact, you can repeat this operation of adding a domainlabel plus a dot several times).

  So, your number should be a toplevel, but it can't as it does not start with an alpha:

  toplabel      = alpha | alpha *( alphanum | "-" ) alphanum
  

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  Noah Hendrix June 30th, 2010 @ 05:17 PM

  Okay, that makes a lot of sense. So, does that mean if I bought a domain like 42.com, it is technically invalid?

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  Bruno Michel June 30th, 2010 @ 06:49 PM

  42.com is valid: 42 is a domainlabel in that case, and com, the toplevel, starts by an alpha char.

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  José Valim July 8th, 2010 @ 10:21 PM

  • State changed from “new” to “invalid”