[wp-trac] [WordPress Trac] #43438: Export registered user's personal data on request

[WordPress Trac]

#43438: Export registered user's personal data on request
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 Reporter:  azaozz            |       Owner:
     Type:  enhancement       |      Status:  new
 Priority:  normal            |   Milestone:  5.0
Component:  General           |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  gdpr needs-patch  |     Focuses:
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Comment (by jesperher):

 @allendav The method of just using a filter, is not far away from my
 current code, and was infact the first thought of how to approach this.

 I can change my code to do the filter/array method istead but i am hitting
 an dead end. And can see it still will be an issue even when using the
 filter/array method.

 when we are calling 1 callback at a time, the $variabel who contains all
 the callbacks, from the
  ´wp_privacy_register_export_data_callback´ filter.

 when this is going into the javascript, the instance of the objects used
 to inform the callbacks dies.

 example:

 --Random plugin--
 ´´´
 add_filter( "wp_privacy_register_export_data_callback", array( $this,
 'register_export_data_callback' ) );

 function register_export_data_callback( $export_callbacks ) {
     $export_callbacks[] = array(
         'slug' => 'stripe',
         'plugin_friendly_name' => __( 'Stripe Payments for WooCommerce' ),
         'callback' => array( $this, 'export_data' )
     );
     return $export_callbacks;
 }


 $all_callbacks =
 apply_filters('wp_privacy_register_export_data_callback',array() );

 localize_script.... $all_callbacs
 ´´´
 The $this, object dies as it goes into the javascript.
 if creating Ajax call, and sending the 'callback' => array( $this,
 'export_data' )´ to REST endpoint, "$this" doesnt work anymore, and using
 the ´call_user_func´ wont work.

 A "solution" (but not a good one) would be to build "$all_callbacks" in
 every callback, and call the specific callback by index.

 Do you have any thought on how to get around this issue.?

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Ticket URL: <https://core.trac.wordpress.org/ticket/43438#comment:7>
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