[wp-trac] [WordPress Trac] #52444: Add support for Telegram Messenger Protocol (was: Link to Telegram messenger issue)

[WordPress Trac]

#52444: Add support for Telegram Messenger Protocol
--------------------------+------------------------------
 Reporter:  customer8765  |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Formatting    |     Version:  5.6.1
 Severity:  normal        |  Resolution:
 Keywords:  2nd-opinion   |     Focuses:
--------------------------+------------------------------
Changes (by brookedot):

 * keywords:   => 2nd-opinion


Comment:

 I looked into this for a few minutes, and it looks like the protocol is
 being stripped by `wp_allowed_protocols` in:
 https://core.trac.wordpress.org/browser/trunk/src/wp-
 includes/functions.php#L6383

 The good news is that this is filterable with the `kses_allowed_protocols`
 filter.
 https://developer.wordpress.org/reference/hooks/kses_allowed_protocols/

 ie:

 {{{

 add_filter( 'kses_allowed_protocols', function ( $protocols ) {
     $protocols[] = 'tg';
     return $protocols;
 } );
 }}}


 Adding needs second opinion on if we should support the `tg` protocol when
 not all apps are supported and the function is filterable.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/52444#comment:3>
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