[buddypress-trac] [BuddyPress Trac] #7048: Move permission checks in `bp_activity_screen_single_activity_permalink` into new function

[buddypress-trac]

#7048: Move permission checks in `bp_activity_screen_single_activity_permalink`
into new function
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 Reporter:  DJPaul                    |       Owner:
     Type:  enhancement               |      Status:  assigned
 Priority:  high                      |   Milestone:  3.0
Component:  Activity                  |     Version:
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |
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Comment (by DJPaul):

 > The bp_do_404() bit needs to be added back

 Specifically, both BP and its Activity REST API needs to prevent access to
 Group Activity items when the Groups component is disabled. It may be that
 the new `bp_activity_user_can_read()` function is not the best place to do
 this.

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/7048#comment:20>
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