[Users] fancy plugin: printing no-cache image

[Christian Hesse]

Michael Rasmussen <mir at miras.org> on Tue, 2015/04/07 23:45:
> On Tue, 7 Apr 2015 23:37:52 +0200
> Michael Rasmussen <mir at miras.org> wrote:
> 
> > Does it not suffice to enable loading of remote content for the
> > specific mail before printing?
> > 
> I have tested with a payment notification from paypal and enabling
> remote content loading before printing does show all images with url
> references.
> 
> Use the small bar bottom left in the message view window. See attached
> screenshot.

I did use that. The e-mail is displayed correctly after that.
It's just the printing that breaks.

I was wrong about that caching, though... The server does not send any rules
about cache. Probably the Content-Disposition header is responsible for this?

% curl -I \
'http://www.londonpass.de/barcodegen/orderbarcode.php?orderno=LPB'
HTTP/1.1
200 OK Date: Tue, 07 Apr 2015 22:09:56 GMT
Server: Apache
Content-Disposition: inline; filename="barcode.png"
Connection: close
Content-Type: image/png

-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Chris           get my mail address:    */=0;b=c[a++];)
putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}
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