Rails spinoffs - Dec 2005 - RE: Form.serialize and Ajax.Request->fileserialization and encoding

I''d bet money that they use a hidden iframe.  Gmail already uses that
to
avoid breaking the back button, from what I''ve read.  It''s
impossible to
send multipart form data through XMLHttpRequest, or so everything I read
says and my own personal attempts confirm.  There is an IE ActiveX
plugin that will let you send files in a similar fashion, but it''s IE
only.  I forget the name of it at this moment.

 

Greg

 

________________________________

From: rails-spinoffs-bounces-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
[mailto:rails-spinoffs-bounces-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org]
On Behalf Of Paul
Shannon
Sent: Wednesday, December 14, 2005 8:52 AM
To: rails-spinoffs-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
Subject: RE: [Rails-spinoffs] Form.serialize and
Ajax.Request->fileserialization and encoding

 

I''ve not looked into how it''s done but adding an attachment in
Gmail (UK
version) uploads the file without refreshing the window, and
http://www.yousendit.com <http://www.yousendit.com/>  appears to send a
file via some sort of RPC or AJAX. Maybe this could be another starting
point for you.

 

Paul Shannon

Web Applications Developer

 

Codeweavers Limited

 

Tel: 0870 443 0888 

Fax: 0870 443 0889



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No you can''t and you don''t want to, it would be a security
flaw.
Javascript just can''t read files on your computer otherwise any website
could get all your personal data.

Gregory Hill wrote:
>
> I’d bet money that they use a hidden iframe. Gmail already uses that 
> to avoid breaking the back button, from what I’ve read. It’s 
> impossible to send multipart form data through XMLHttpRequest, or so 
> everything I read says and my own personal attempts confirm. There is 
> an IE ActiveX plugin that will let you send files in a similar 
> fashion, but it’s IE only. I forget the name of it at this moment.
>
> Greg
>
> ------------------------------------------------------------------------
>
> *From:*
rails-spinoffs-bounces-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
>
[mailto:rails-spinoffs-bounces-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org]
*On Behalf Of
> *Paul Shannon
> *Sent:* Wednesday, December 14, 2005 8:52 AM
> *To:* rails-spinoffs-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
> *Subject:* RE: [Rails-spinoffs] Form.serialize and 
> Ajax.Request->fileserialization and encoding
>
> I’ve not looked into how it’s done but adding an attachment in Gmail 
> (UK version) uploads the file without refreshing the window, and 
> http://www.yousendit.com <http://www.yousendit.com/> appears to send
a
> file via some sort of RPC or AJAX. Maybe this could be another 
> starting point for you.
>
> *Paul Shannon*
>
> *Web Applications Developer*
>
> * *
>
> *Codeweavers Limited*
>
> Tel: 0870 443 0888
>
> Fax: 0870 443 0889
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Rails-spinoffs mailing list
> Rails-spinoffs-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
> http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs
>

On 12/14/05, Jonathan
<jonathan.semczyk-USVAFLyk/PzcrNgOQeE3mA@public.gmane.org>
wrote:
>
> No you can''t and you don''t want to, it would be a
security flaw.
> Javascript just can''t read files on your computer otherwise any
website
> could get all your personal data.

Yes right I understand that. an extra piece of software is needed then
:''(
(ocx or firefox plugin)


Tarek


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