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Re: [tor-bugs] #7857 [EFF-HTTPS Everywhere]: Amazon AWS breaks Epicmafia

#7857: Amazon AWS breaks Epicmafia
----------------------------------+-----------------------------------------
 Reporter:  cypherpunks           |          Owner:  pde          
     Type:  defect                |         Status:  new          
 Priority:  normal                |      Milestone:               
Component:  EFF-HTTPS Everywhere  |        Version:  HTTPS-E 3.1.2
 Keywords:  httpse-ruleset-bug    |         Parent:               
   Points:                        |   Actualpoints:               
----------------------------------+-----------------------------------------

Comment(by mikkoharhanen):

 I did some testing and here is what I found out:

 EpicMafia.com without the rule set:
 [OK] http://em.css.s3.amazonaws.com/style.css?2?1359734603
 [OK] http://em.css.s3.amazonaws.com/images/logo.png
 [OK] http://em.css.s3.amazonaws.com/images/facebook.png

 EpicMafia.com with enabled rule set:
 [OK] https://s3.amazonaws.com/em.css/style.css?2?1359734603
 [403] https://s3.amazonaws.com/images/logo.png
 [403] https://s3.amazonaws.com/images/facebook.png

 Open image file without rule set:
 [OK] http://em.css.s3.amazonaws.com/images/logo.png

 Open image file rule set enabled:
 [OK] https://s3.amazonaws.com/em.css/images/logo.png

 I'm suspecting that style.css is the problem. EpicMafia uses CSS to show
 images. Here is a clip from style.css:

 {{{
 .roleimg {
   display: block;
   background: url("/images/roleimg.png") no-repeat scroll right top
 transparent;
   height: 20px;
   width: 20px;
 }
 }}}
 The path to the image is /images/roleimg.png. This could be the culprit.
 When the CSS file's url is redirected to s3.amazonaws.com/em.css/, it
 tries to find the images from domain s3.amazonaws.com with the path
 /images/roleimg.png instead of /em.css/images/roleimg.png.

 I suppose we need to exclude style.css?

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7857#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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