bugGNU Wget - Bugs: bug #20658, No separate HEAD just for...

 
 

bug #20658: No separate HEAD just for Content-Disposition: make last-minute adjustments based on GET

Submitted by:  Micah Cowan <micahcowan>
Submitted on:  Thu 02 Aug 2007 07:39:40 AM UTC  
 
Category: Program LogicSeverity: 3 - Normal
Priority: 8Status: Confirmed
Privacy: PublicAssigned to: Xin Zou <zouxin>
Originator Name: Open/Closed: Open
Release: NoneOperating System: None
Reproducibility: NoneFixed Release: None
Planned Release: 1.13Regression: None
Work Required: 1 - DaysPatch Included: None

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Wed 31 Dec 2008 03:29:10 PM UTC, comment #1:

Hi,
I would like to work this out, so could you please assign it to me, thanks!

For debug and test convenience, I wrote a tiny http server, which could output HTTP streams I need. And I tested bug20360 and bug21041 with that tiny server.

For bug20360, it seems that this bug has already been fixed. When HEAD attempt fails for losing connection, Wget could retry HEAD request and GET won't ignore Content-Disposition.

For bug21041, it hasn't been fixed, Content-Disposition is ignored when HEAD attempt fails for unexpected HTTP status code. And I have found the reason.

For bug20658, I think we can add "--content-disposition-headfirst" boolean option to specify HEAD to be sent first. For "--content-disposition" option, only GET will be sent and should carefully terminate connections in response to a last-minute Content-Disposition that indicates we should not download the file.

I think I can fix and test above three bugs, so it would be convenience if admin could assgin all of them to me:-)

Any suggestions are welcome!

Xin Zou <zouxin>In charge of this item.
Thu 02 Aug 2007 07:39:40 AM UTC, original submission:

This decision based on the belief that Content-Disposition is used relatively rarely, and when it is, it frequently is unavailable in the HEAD response.

It should be configurable (that is, the user should be able to specify that a HEAD be issued first to attempt to get any Content-Disposition headers), but in any case, filenames should absolutely based on the latest information (from GET).

This implies that we will sometimes terminate connections in response to a last-minute Content-Disposition that indicates we should not download the file.

We can move Content-Disposition checks back to the default (which was set to off by default, to avoid all the extra HEAD requests) if we make this change.

Micah Cowan <micahcowan>

 

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    Follow 6 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 09 Oct 2009 08:12:23 PM UTCmicahcowanPlanned Release1.14=>1.13
    Fri 16 Jan 2009 01:00:20 AM UTCmicahcowanAssigned toNone=>zouxin
    Thu 21 Aug 2008 11:15:33 PM UTCmicahcowanPlanned Release1.12=>1.14
    Tue 23 Oct 2007 10:01:19 PM UTCmicahcowanPriority9 - Immediate=>8
    Tue 21 Aug 2007 08:14:37 PM UTCmicahcowanPriority6=>9 - Immediate
    Thu 02 Aug 2007 07:40:07 AM UTCmicahcowanPriority5 - Normal=>6

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