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<?php
/**
* File: Cdn_BunnyCdn_Page.php
*
* @since 2.6.0
* @package W3TC
*/
namespace W3TC;
/**
* Class: Cdn_BunnyCdn_Page
*
* @since 2.6.0
*/
class Cdn_BunnyCdn_Page {
/**
* Handles the AJAX action to purge a specific URL from Bunny CDN.
*
* This method listens for the `w3tc_ajax_cdn_bunnycdn_purge_url` AJAX action and processes the URL purging request.
* It validates the URL, calls the Bunny CDN API to purge the URL, and sends a JSON response indicating success or failure.
*
* @since 2.6.0
*
* @return void
*/
public static function w3tc_ajax() {
$o = new Cdn_BunnyCdn_Page();
\add_action( 'w3tc_ajax_cdn_bunnycdn_purge_url', array( $o, 'w3tc_ajax_cdn_bunnycdn_purge_url' ) );
}
/**
* Checks if Bunny CDN is active and properly configured.
*
* This method verifies if Bunny CDN is enabled and configured correctly by checking the necessary configuration
* values, including the account API key and pull zone IDs. It returns true if Bunny CDN is active, and false otherwise.
*
* @since 2.6.0
*
* @return bool True if Bunny CDN is active, false if not.
*/
public static function is_active() {
$config = Dispatcher::config();
$cdn_enabled = $config->get_boolean( 'cdn.enabled' );
$cdn_engine = $config->get_string( 'cdn.engine' );
$cdn_zone_id = $config->get_integer( 'cdn.bunnycdn.pull_zone_id' );
$cdnfsd_enabled = $config->get_boolean( 'cdnfsd.enabled' );
$cdnfsd_engine = $config->get_string( 'cdnfsd.engine' );
$cdnfsd_zone_id = $config->get_integer( 'cdnfsd.bunnycdn.pull_zone_id' );
$account_api_key = $config->get_string( 'cdn.bunnycdn.account_api_key' );
return ( $account_api_key &&
(
( $cdn_enabled && 'bunnycdn' === $cdn_engine && $cdn_zone_id ) ||
( $cdnfsd_enabled && 'bunnycdn' === $cdnfsd_engine && $cdnfsd_zone_id )
)
);
}
/**
* Adds actions to the W3 Total Cache dashboard if Bunny CDN is active.
*
* This method appends a custom "Empty All Caches Except Bunny CDN" button to the W3 Total Cache dashboard if Bunny CDN
* is enabled. It also checks if other cache types can be emptied before enabling the button.
*
* @since 2.6.0
*
* @param array $actions List of existing actions in the dashboard.
*
* @return array Modified list of actions with the new button if Bunny CDN is active.
*/
public static function w3tc_dashboard_actions( array $actions ) {
if ( self::is_active() ) {
$modules = Dispatcher::component( 'ModuleStatus' );
$can_empty_memcache = $modules->can_empty_memcache();
$can_empty_opcode = $modules->can_empty_opcode();
$can_empty_file = $modules->can_empty_file();
$can_empty_varnish = $modules->can_empty_varnish();
$actions[] = sprintf(
'<input type="submit" class="dropdown-item" name="w3tc_bunnycdn_flush_all_except_bunnycdn" value="%1$s"%2$s>',
esc_attr__( 'Empty All Caches Except Bunny CDN', 'w3-total-cache' ),
( ! $can_empty_memcache && ! $can_empty_opcode && ! $can_empty_file && ! $can_empty_varnish ) ? ' disabled="disabled"' : ''
);
}
return $actions;
}
/**
* Enqueues scripts and localizes variables for Bunny CDN on the admin page.
*
* This method registers and enqueues the necessary JavaScript for Bunny CDN functionality in the W3 Total Cache admin
* panel. It also localizes important variables like authorization status and localized strings for use in the script.
*
* @since 2.6.0
*
* @return void
*/
public static function admin_print_scripts_w3tc_cdn() {
$config = Dispatcher::config();
$is_authorized = ! empty( $config->get_string( 'cdn.bunnycdn.account_api_key' ) ) &&
( $config->get_string( 'cdn.bunnycdn.pull_zone_id' ) || $config->get_string( 'cdnfsd.bunnycdn.pull_zone_id' ) );
\wp_register_script(
'w3tc_cdn_bunnycdn',
\plugins_url( 'Cdn_BunnyCdn_Page_View.js', W3TC_FILE ),
array( 'jquery' ),
W3TC_VERSION,
false
);
\wp_localize_script(
'w3tc_cdn_bunnycdn',
'W3TC_Bunnycdn',
array(
'is_authorized' => $is_authorized,
'lang' => array(
'empty_url' => \esc_html__( 'No URL specified', 'w3-total-cache' ),
'success_purging' => \esc_html__( 'Successfully purged URL', 'w3-total-cache' ),
'error_purging' => \esc_html__( 'Error purging URL', 'w3-total-cache' ),
'error_ajax' => \esc_html__( 'Error with AJAX', 'w3-total-cache' ),
),
)
);
\wp_enqueue_script( 'w3tc_cdn_bunnycdn' );
}
/**
* Displays the configuration settings for Bunny CDN in the W3 Total Cache settings page.
*
* This method includes the view file for Bunny CDN configuration options, allowing users to modify the Bunny CDN
* settings from the W3 Total Cache admin panel.
*
* @since 2.6.0
*
* @return void
*/
public static function w3tc_settings_cdn_boxarea_configuration() {
$config = Dispatcher::config();
include W3TC_DIR . '/Cdn_BunnyCdn_Page_View.php';
}
/**
* Displays the URL purge settings in the W3 Total Cache admin panel.
*
* This method includes the view file for managing the Bunny CDN URL purge functionality, where users can specify
* URLs to purge from Bunny CDN.
*
* @since 2.6.0
*
* @return void
*/
public static function w3tc_purge_urls_box() {
$config = Dispatcher::config();
include W3TC_DIR . '/Cdn_BunnyCdn_Page_View_Purge_Urls.php';
}
/**
* Processes the AJAX request to purge a specified URL from Bunny CDN.
*
* This method validates the provided URL, sends a purge request to the Bunny CDN API, and returns a JSON response
* indicating the success or failure of the operation. If the URL is invalid or an error occurs, a failure response
* is sent with the appropriate error message.
*
* Purging a URL will remove the file from the CDN cache and re-download it from your origin server.
* Please enter the exact CDN URL of each individual file.
* You can also purge folders or wildcard files using * inside of the URL path.
* Wildcard values are not supported if using Perma-Cache.
*
* @since 2.6.0
*
* @return void
*/
public function w3tc_ajax_cdn_bunnycdn_purge_url() {
$url = Util_Request::get_string( 'url' );
// Check if URL starts with "http", starts with a valid protocol, and passes a URL validation check.
if ( 0 !== \strpos( $url, 'http' ) || ! \preg_match( '~^http(s?)://(.+)~i', $url ) || ! \filter_var( $url, FILTER_VALIDATE_URL ) ) {
\wp_send_json_error(
array( 'error_message' => \esc_html__( 'Invalid URL', 'w3-total-cache' ) ),
400
);
}
$config = Dispatcher::config();
$account_api_key = $config->get_string( 'cdn.bunnycdn.account_api_key' );
$api = new Cdn_BunnyCdn_Api( array( 'account_api_key' => $account_api_key ) );
// Try to delete pull zone.
try {
$api->purge(
array(
'url' => \esc_url( $url, array( 'http', 'https' ) ),
'async' => true,
)
);
} catch ( \Exception $ex ) {
\wp_send_json_error( array( 'error_message' => $ex->getMessage() ), 422 );
}
\wp_send_json_success();
}
/**
* Flushes all caches except Bunny CDN and redirects to the W3 Total Cache settings page.
*
* This method flushes all caches except for Bunny CDN and redirects the user to the W3 Total Cache settings page with
* a success message.
*
* @since 2.6.0
*
* @return void
*/
public function w3tc_bunnycdn_flush_all_except_bunnycdn() {
Dispatcher::component( 'CacheFlush' )->flush_all( array( 'bunnycdn' => 'skip' ) );
Util_Admin::redirect( array( 'w3tc_note' => 'flush_all' ), true );
}
}