Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: apparmor (Ubuntu Jammy)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1794064

Title:
  Clicking a hyperlink in a PDF fails to open it if the default browser
  is a snap

Status in apparmor package in Ubuntu:
  Confirmed
Status in evince package in Ubuntu:
  Triaged
Status in apparmor source package in Jammy:
  Confirmed
Status in evince source package in Jammy:
  Confirmed
Status in evince package in Debian:
  New

Bug description:
  [Impact]

   * Users cannot open a hyperlink in a PDF opened with evince when the default 
browser is a snap.
   * The fix creates a snap_browsers abstraction on AppArmor which can be used 
in a transition for when the browser is executed. The snap_browsers abstraction 
provides the minimal amount of permissions required to execute a browser 
provided through snaps. This is a workaround since AppArmor currently does not 
provide mediation/filtering on enhanced environment variables.

  [Test Plan]

   * Make sure the default browser is provided through the snap store.
   * Open a PDF that contains a hyperlink using evince and click on the URL.
   * The browser should open the requested URL. 

  [Where problems could occur]

   * If the browser or snap core update to have new requirements for
  opening a browser, then the current policy could become obsolete and
  will need to be updated again.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1794064/+subscriptions


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