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Re: Issue 196, was: #110: how to determine what entity a response carries

From: Mark Nottingham <mnot@mnot.net>
Date: Thu, 15 Apr 2010 12:03:31 +1000
Cc: HTTP Working Group <ietf-http-wg@w3.org>, =JeffH <Jeff.Hodges@KingsMountain.com>
Message-Id: <19EBBE68-7AED-4B98-A989-5ABE31408FB9@mnot.net>
To: Julian Reschke <julian.reschke@gmx.de>
I think it would be helpful to have an example with an explicit port number. Also, the proposed text refers to 'host name', which isn't quite right.


On 14/04/2010, at 12:41 AM, Julian Reschke wrote:

> On 15.10.2009 06:07, Mark Nottingham wrote:
>> Flipping this to editorial; I don't think there's a design aspect to
>> this one (it's just specifying something already present more clearly).
>> ...
> 
> Here's proposed text for the definition of "Effective Request URI", with questions inlined:
> 
> --
> 4.3.  Effective Request URI
> 
>   The term "Effective Request URI" is introduced in order to abstract
>   away the various syntactical forms a request can take.
> 
>   If the request-target is an absolute-URI, then the Effective Request
>   URI is the request-target. [[effrequri-scheme: What about the case
>   where the given scheme name and the transport disagree? --jre]]
> 
>   If the request-target uses the path-absolute (plus optional query)
>   syntax, then the Effective Request URI is constructed by
>   concatenating
> 
>   o  the scheme name: "http" if the request was received over an
>      insecure TCP connection, or "https" when received over SSK/
>      TLS-secured TCP connection, [[effrequri-othertransports: Need to
>      mention other future transports here? --jre]]
> 
>   o  the character sequence "://",
> 
>   o  the host name, as determined by the rules in Section 4.2,
>      [[effrequri-nohost: How do we deal with undefined host names?
>      --jre]] and
> 
>   o  the request-target obtained from the Request-Line.
> 
>   Otherwise, when request-target is an asterisk ("*") or uses the
>   authority form, the Effective Request URI is undefined.
> 
>   Example: the Effective Request URI for the message
> 
>     GET /pub/WWW/TheProject.html HTTP/1.1
>     Host: www.example.org
> 
>   (received over an insecure TCP connection) is "http", plus "://",
>   plus the host name "www.example.org", plus the request-target "/pub/
>   WWW/TheProject.html", thus
>   "http://www.example.org/pub/WWW/TheProject.html".
> 
>   [[effrequri-compare: Need to declare comparison?  Can we re-use the
>   comparison defined in Section 2.6.3? --jre]]
> --
> 
> (see <http://trac.tools.ietf.org/wg/httpbis/trac/attachment/ticket/196/i196.diff>).
> 
> Feedback appreciated,
> 
> Julian


--
Mark Nottingham     http://www.mnot.net/
Received on Thursday, 15 April 2010 02:04:04 GMT

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