[wp-trac] [WordPress Trac] #35045: Responsive images not added when effective scheme differs from image src scheme

[WordPress Trac]

#35045: Responsive images not added when effective scheme differs from image src
scheme
--------------------------+-----------------------------
 Reporter:  webaware      |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Media         |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:  template      |
--------------------------+-----------------------------
 `wp_image_add_srcset_and_sizes()` checks for base URL matches between
 available files and the src URL from the image tag in content. When the
 protocol scheme is different, the base URL doesn't match the src URL and
 no responsive images are added.

 This can occur in such circumstances as:

 * image added with protocol `http:` and page viewed with protocol `https:`
 * image added with protocol `https:` and page viewed with protocol `http:`
 * image added with no protocol (i.e. protocol-relative URL) and page
 viewed with either protocol `http:` or `https:`
 * `upload_dir` filter changes baseurl to `https:` to prevent insecure
 content

--
Ticket URL: <https://core.trac.wordpress.org/ticket/35045>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform