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Core Auto Updates: Add a initial skin to allow capturing the output from the upgrader without displaying it (such as we need during cron calls).

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This has been copied almost verbatim from the automatic-updater plugin with a few style tweaks and additional upgrade-possible check. See #22704

Built from https://develop.svn.wordpress.org/trunk@25228


git-svn-id: http://core.svn.wordpress.org/trunk@25198 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2013-09-04 07:17:09 +00:00
parent bc02809fe3
commit 4231f4668a
1 changed files with 76 additions and 0 deletions
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76
wp-admin/includes/class-wp-upgrader-skins.php
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@ -526,4 +526,80 @@ class Theme_Upgrader_Skin extends WP_Upgrader_Skin {
if ( ! empty($update_actions) )
$this->feedback(implode(' | ', (array)$update_actions));
}
}
/**
* Upgrader Skin for Background WordPress Upgrades
*
* This skin is designed to be used when no output is intended, all output
* is captured and stored for the caller to process and log/email/discard.
*
* @package WordPress
* @subpackage Upgrader
* @since 3.7.0
*/
class Background_Upgrader_Skin extends WP_Upgrader_Skin {
var $messages = array();
function request_filesystem_credentials( $error = false ) {
// TODO: fix up request_filesystem_credentials(), or split it, to allow us to request a no-output version
// This will output a credentials form in event of failure, We don't want that, so just hide with a buffer
ob_start();
set_current_screen( 'tools' ); // Only here to avoid PHP Notices from screen_icon() which is used within that HTML
$result = parent::request_filesystem_credentials( $error );
ob_end_clean();
return $result;
}
function feedback( $data ) {
if ( is_wp_error( $data ) )
$string = $data->get_error_message();
else if ( is_array( $data ) )
return;
else
$string = $data;
if ( ! empty( $this->upgrader->strings[ $string ] ) )
$string = $this->upgrader->strings[ $string ];
if ( strpos( $string, '%' ) !== false ) {
$args = func_get_args();
$args = array_splice( $args, 1 );
if ( ! empty( $args ) )
$string = vsprintf( $string, $args );
}
$string = trim( $string );
// Only allow basic HTML in the messages, as it'll be used in emails/logs rather than direct browser output.
$string = wp_kses( $string, array(
'a' => array(
'href' => true
),
'br' => true,
'em' => true,
'strong' => true,
) );
if ( empty( $string ) )
return;
$this->messages[] = $string;
}
function header() {
ob_start();
}
function footer() {
$output = ob_get_contents();
if ( ! empty( $output ) )
$this->feedback( $output );
ob_end_clean();
}
function bulk_header() {}
function bulk_footer() {}
function before() {}
function after() {}
}