[wp-trac] [WordPress Trac] #33631: Add filter to prevent user creation during site creation

[WordPress Trac]

#33631: Add filter to prevent user creation during site creation
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 Reporter:  mackensen       |      Owner:
     Type:  enhancement     |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Administration  |    Version:  trunk
 Severity:  normal          |   Keywords:
  Focuses:  multisite       |
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 We administer a multisite environment with external (LDAP) authentication
 configured. We do not allow local accounts. Our procedure when creating a
 new site is to add the soon-to-be-administrator from external
 authentication to the top-level site (if they did not already exist)
 before creating the site. If someone misses that first step, we wind up
 with an unwanted local account which then has to be fixed. What would be
 cool is a filter/hook in wp-admin/network/site-new.php that attaches to
 email_exists and lets you stop the site creation process if the user
 doesn't exist.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33631>
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