[wp-trac] [WordPress Trac] #65209: Connectors: Expose isFileModDisabled flag to connector script module data.

[WordPress Trac]

#65209: Connectors: Expose isFileModDisabled flag to connector script module data.
------------------------------+--------------------
 Reporter:  jorgefilipecosta  |      Owner:  (none)
     Type:  defect (bug)      |     Status:  new
 Priority:  normal            |  Milestone:  7.0
Component:  General           |    Version:  trunk
 Severity:  normal            |   Keywords:
  Focuses:                    |
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 Backports PR https://github.com/WordPress/gutenberg/pull/77521.
 Makes an enhacement so the connectors screen say if the website has
 disallowed file modifications.

 The connectors admin screen needs to know whether file modifications are
 permitted (e.g. when `DISALLOW_FILE_MODS` is set, when the filesystem is
 not writable, or when the `file_mod_allowed` filter denies it) so the UI
 can adapt accordingly — for example, surfacing the appropriate messaging
 or disabling plugin-install affordances when those operations are not
 allowed.


   == Proposed change ==
 Expose a new `isFileModDisabled` boolean on the connectors script module
 data, derived from `wp_is_file_mod_allowed( 'install_plugins' )`:

   {{{#!php
   <?php
   $data['isFileModDisabled'] = ! wp_is_file_mod_allowed( 'install_plugins'
 );
   }}}


   == Testing ==

    1. Load the connectors admin screen and inspect the script module data
       payload — `isFileModDisabled` should be present and `false` on a
       standard install.
    2. Add `define( 'DISALLOW_FILE_MODS', true );` to `wp-config.php` and
       reload — `isFileModDisabled` should now be `true`.
    3. Confirm the value also flips when a filter denies the
       `install_plugins` context, e.g.:
       {{{#!php
       <?php
       add_filter( 'file_mod_allowed', function ( $allowed, $context ) {
           return 'install_plugins' === $context ? false : $allowed;
       }, 10, 2 );
       }}}

   == Patch ==

   GitHub PR: [https://github.com/WordPress/wordpress-develop/pull/11779

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Ticket URL: <https://core.trac.wordpress.org/ticket/65209>
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