[SAC] [OSGeo] #2122: Travis/GitLab/Jenkins badges not shown anymore on postgis/geos trac wiki

[OSGeo]

#2122: Travis/GitLab/Jenkins badges not shown anymore on postgis/geos trac wiki
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 Reporter:  strk     |       Owner:  strk
     Type:  task     |      Status:  closed
 Priority:  blocker  |   Milestone:
Component:  Trac     |  Resolution:  fixed
 Keywords:           |
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Comment (by strk):

 According to specs, 'crossorigin' img attribute (added in HTML5) should
 have to do with using the image as a canvas, but not prevent its loading.
 See https://www.w3schools.com/tags/tag_img.asp
 Instead browsers are not loading the resource at all.

 There are 24 trac instances under OSGeo: https://trac.osgeo.org/ - we
 don't want to restrict the possibility to load images from the network to
 an handful of "trusted" sites, and why should we trust travis-ci.org
 anyway ?

 That said, if the servers serving the images would allow cross-origin use,
 as it would make sense for public badges, this problem would not exist. We
 can fix the ones under our control but we cannot fix the travis/gitlab-ci
 ones.

-- 
Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2122#comment:6>
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