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<?php
/**
* File: Cdn_AdminActions.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class Cdn_AdminActions
*
* phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore
* phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged
*/
class Cdn_AdminActions {
/**
* Config
*
* @var Config $_config
*/
private $_config = null;
/**
* Constructor for the Cdn_AdminActions class.
*
* Initializes the configuration instance used within the class.
*
* @return void
*/
public function __construct() {
$this->_config = Dispatcher::config();
}
/**
* Handles various CDN queue actions such as delete, empty, and process.
*
* Depending on the specified queue action, this method performs operations
* like deleting specific queue items, emptying the queue, or processing queued items.
* Outputs a popup with the current state of the queue.
*
* @return void
*/
public function w3tc_cdn_queue() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$cdn_queue_action = Util_Request::get_string( 'cdn_queue_action' );
$cdn_queue_tab = Util_Request::get_string( 'cdn_queue_tab' );
$notes = array();
switch ( $cdn_queue_tab ) {
case 'upload':
case 'delete':
case 'purge':
break;
default:
$cdn_queue_tab = 'upload';
}
switch ( $cdn_queue_action ) {
case 'delete':
$cdn_queue_id = Util_Request::get_integer( 'cdn_queue_id' );
if ( ! empty( $cdn_queue_id ) ) {
$w3_plugin_cdn->queue_delete( $cdn_queue_id );
$notes[] = __( 'File successfully deleted from the queue.', 'w3-total-cache' );
}
break;
case 'empty':
$cdn_queue_type = Util_Request::get_integer( 'cdn_queue_type' );
if ( ! empty( $cdn_queue_type ) ) {
$w3_plugin_cdn->queue_empty( $cdn_queue_type );
$notes[] = __( 'Queue successfully emptied.', 'w3-total-cache' );
}
break;
case 'process':
$w3_plugin_cdn_normal = Dispatcher::component( 'Cdn_Plugin' );
$n = $w3_plugin_cdn_normal->cron_queue_process();
$notes[] = sprintf(
// Translators: 1 number of processed queue items.
__(
'Number of processed queue items: %1$d',
'w3-total-cache'
),
$n
);
break;
}
$nonce = wp_create_nonce( 'w3tc' );
$queue = $w3_plugin_cdn->queue_get();
$title = __( 'Unsuccessful file transfer queue.', 'w3-total-cache' );
include W3TC_INC_DIR . '/popup/cdn_queue.php';
}
/**
* Displays the Media Library export popup.
*
* This method retrieves the total count of media attachments and loads
* the export popup for initiating the export process.
*
* @return void
*/
public function w3tc_cdn_export_library() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$total = $w3_plugin_cdn->get_attachments_count();
$title = __( 'Media Library export', 'w3-total-cache' );
include W3TC_INC_DIR . '/popup/cdn_export_library.php';
}
/**
* Flushes all CDN caches.
*
* Performs a complete purge of the CDN cache and attempts to execute
* any delayed operations. Redirects the user with a success or error message.
*
* @return void
*/
public function w3tc_cdn_flush() {
$flush = Dispatcher::component( 'CacheFlush' );
$flush->flush_all( array( 'only' => 'cdn' ) );
$status = $flush->execute_delayed_operations();
$errors = array();
foreach ( $status as $i ) {
if ( isset( $i['error'] ) ) {
$errors[] = $i['error'];
}
}
if ( empty( $errors ) ) {
Util_Admin::redirect( array( 'w3tc_note' => 'flush_cdn' ), true );
} else {
Util_Admin::redirect_with_custom_messages2( array( 'errors' => array( 'Failed to purge CDN: ' . implode( ', ', $errors ) ) ), true );
}
}
/**
* Processes the Media Library export in chunks.
*
* Exports media library files to the CDN in a paginated fashion based on
* the specified limit and offset. Returns the progress and results as a JSON response.
*
* @return void
*/
public function w3tc_cdn_export_library_process() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$limit = Util_Request::get_integer( 'limit' );
$offset = Util_Request::get_integer( 'offset' );
$count = null;
$total = null;
$results = array();
$w3_plugin_cdn->export_library( $limit, $offset, $count, $total, $results, time() + 120 );
$response = array(
'limit' => $limit,
'offset' => $offset,
'count' => $count,
'total' => $total,
'results' => $results,
);
echo wp_json_encode( $response );
}
/**
* Displays the Media Library import popup.
*
* Prepares the data required for importing the Media Library from the CDN,
* including the total count of posts and the CDN domain.
*
* @return void
*/
public function w3tc_cdn_import_library() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$common = Dispatcher::component( 'Cdn_Core' );
$cdn = $common->get_cdn();
$total = $w3_plugin_cdn->get_import_posts_count();
$cdn_host = $cdn->get_domain();
$title = __( 'Media Library import', 'w3-total-cache' );
include W3TC_INC_DIR . '/popup/cdn_import_library.php';
}
/**
* Processes the Media Library import in chunks.
*
* Imports media library files from the CDN in a paginated fashion based on
* the specified limit and offset. Returns the progress and results as a JSON response.
*
* @return void
*/
public function w3tc_cdn_import_library_process() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$limit = Util_Request::get_integer( 'limit' );
$offset = Util_Request::get_integer( 'offset' );
$import_external = Util_Request::get_boolean( 'cdn_import_external' );
$config_state = Dispatcher::config_state();
$config_state->set( 'cdn.import.external', $import_external );
$config_state->save();
$count = null;
$total = null;
$results = array();
@$w3_plugin_cdn->import_library( $limit, $offset, $count, $total, $results );
$response = array(
'limit' => $limit,
'offset' => $offset,
'count' => $count,
'total' => $total,
'results' => $results,
);
echo wp_json_encode( $response );
}
/**
* Displays the Modify Attachment URLs popup.
*
* Retrieves the total count of posts requiring URL renaming and loads the popup
* for initiating the domain rename process.
*
* @return void
*/
public function w3tc_cdn_rename_domain() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$total = $w3_plugin_cdn->get_rename_posts_count();
$title = __( 'Modify attachment URLs', 'w3-total-cache' );
include W3TC_INC_DIR . '/popup/cdn_rename_domain.php';
}
/**
* Processes the modification of attachment URLs in chunks.
*
* Updates attachment URLs to use the new CDN domain in a paginated fashion
* based on the specified limit and offset. Returns the progress and results as a JSON response.
*
* @return void
*/
public function w3tc_cdn_rename_domain_process() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
$limit = Util_Request::get_integer( 'limit' );
$offset = Util_Request::get_integer( 'offset' );
$names = Util_Request::get_array( 'names' );
$count = null;
$total = null;
$results = array();
@$w3_plugin_cdn->rename_domain( $names, $limit, $offset, $count, $total, $results );
$response = array(
'limit' => $limit,
'offset' => $offset,
'count' => $count,
'total' => $total,
'results' => $results,
);
echo wp_json_encode( $response );
}
/**
* Handles the export of files to the Content Delivery Network (CDN).
*
* Based on the selected export type (includes, theme, minify, or custom),
* this method retrieves the corresponding files and prepares them for export.
*
* @return void
*/
public function w3tc_cdn_export() {
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Plugin' );
$cdn_export_type = Util_Request::get_string( 'cdn_export_type', 'custom' );
switch ( $cdn_export_type ) {
case 'includes':
$title = __( 'Includes files export', 'w3-total-cache' );
$files = $w3_plugin_cdn->get_files_includes();
break;
case 'theme':
$title = __( 'Theme files export', 'w3-total-cache' );
$files = $w3_plugin_cdn->get_files_theme();
break;
case 'minify':
$title = __( 'Minify files export', 'w3-total-cache' );
$files = $w3_plugin_cdn->get_files_minify();
break;
case 'custom':
$title = __( 'Custom files export', 'w3-total-cache' );
$files = $w3_plugin_cdn->get_files_custom();
break;
default:
$title = __( 'Unknown files export', 'w3-total-cache' );
$files = array();
break;
}
include W3TC_INC_DIR . '/popup/cdn_export_file.php';
}
/**
* Processes the file export to the CDN.
*
* This method handles the upload of files to the CDN by constructing file descriptors,
* performing the upload, and generating a JSON-encoded response with the results.
*
* @return void
*/
public function w3tc_cdn_export_process() {
$common = Dispatcher::component( 'Cdn_Core' );
$files = Util_Request::get_array( 'files' );
$upload = array();
$results = array();
foreach ( $files as $file ) {
$local_path = $common->docroot_filename_to_absolute_path( $file );
$remote_path = $common->uri_to_cdn_uri( $common->docroot_filename_to_uri( $file ) );
$d = $common->build_file_descriptor( $local_path, $remote_path );
$d['_original_id'] = $file;
$upload[] = $d;
}
$common->upload( $upload, false, $results, time() + 5 );
$output = array();
foreach ( $results as $item ) {
$file = '';
if ( isset( $item['descriptor']['_original_id'] ) ) {
$file = $item['descriptor']['_original_id'];
}
$output[] = array(
'result' => $item['result'],
'error' => $item['error'],
'file' => $file,
);
}
$response = array(
'results' => $output,
);
echo wp_json_encode( $response );
}
/**
* Displays the CDN purge tool.
*
* This method prepares data for the CDN purge tool and includes the required popup template for user interaction.
*
* @return void
*/
public function w3tc_cdn_purge() {
$title = __( 'Content Delivery Network (CDN): Purge Tool', 'w3-total-cache' );
$results = array();
$path = ltrim( str_replace( get_home_url(), '', get_stylesheet_directory_uri() ), '/' );
include W3TC_INC_DIR . '/popup/cdn_purge.php';
}
/**
* Processes the purging of specific files from the CDN.
*
* This method collects files from the request, constructs purge descriptors, and processes the purge via the CDN component.
* Results are displayed in the purge tool.
*
* @return void
*/
public function w3tc_cdn_purge_files() {
$title = __( 'Content Delivery Network (CDN): Purge Tool', 'w3-total-cache' );
$results = array();
$files = Util_Request::get_array( 'files' );
$purge = array();
$common = Dispatcher::component( 'Cdn_Core' );
foreach ( $files as $file ) {
$local_path = $common->docroot_filename_to_absolute_path( $file );
$remote_path = $common->uri_to_cdn_uri( $common->docroot_filename_to_uri( $file ) );
$purge[] = $common->build_file_descriptor( $local_path, $remote_path );
}
if ( count( $purge ) ) {
$common->purge( $purge, $results );
} else {
$errors[] = __( 'Empty files list.', 'w3-total-cache' );
}
$path = str_replace( get_home_url(), '', get_stylesheet_directory_uri() );
include W3TC_INC_DIR . '/popup/cdn_purge.php';
}
/**
* Purges a specific attachment from the CDN.
*
* This method handles the purging of an attachment identified by its ID.
* It redirects the user with a success or error notice upon completion.
*
* @return void
*/
public function w3tc_cdn_purge_attachment() {
$results = array();
$attachment_id = Util_Request::get_integer( 'attachment_id' );
$w3_plugin_cdn = Dispatcher::component( 'Cdn_Core_Admin' );
if ( $w3_plugin_cdn->purge_attachment( $attachment_id, $results ) ) {
Util_Admin::redirect( array( 'w3tc_note' => 'cdn_purge_attachment' ), true );
} else {
Util_Admin::redirect( array( 'w3tc_error' => 'cdn_purge_attachment' ), true );
}
}
/**
* Tests the connection and configuration for a specified CDN engine.
*
* This method validates the CDN configuration by performing a test against the specified engine.
* A JSON-encoded response is generated with the result and any error message.
*
* @return void
*/
public function w3tc_cdn_test() {
$engine = Util_Request::get_string( 'engine' );
$config = Util_Request::get_array( 'config' );
// TODO: Workaround to support test case cdn/a04.
if ( 'ftp' === $engine && ! isset( $config['host'] ) ) {
$config = Util_Request::get_string( 'config' );
$config = json_decode( $config, true );
}
$config = array_merge( $config, array( 'debug' => false ) );
if ( isset( $config['domain'] ) && ! is_array( $config['domain'] ) ) {
$config['domain'] = explode( ',', $config['domain'] );
}
if ( Cdn_Util::is_engine( $engine ) ) {
$result = true;
$error = null;
} else {
$result = false;
$error = __( 'Incorrect engine ', 'w3-total-cache' ) . $engine;
}
if ( ! isset( $config['docroot'] ) ) {
$config['docroot'] = Util_Environment::document_root();
}
if ( $result ) {
if (
'google_drive' === $engine ||
'transparentcdn' === $engine ||
'rackspace_cdn' === $engine ||
'rscf' === $engine ||
'bunnycdn' === $engine ||
's3_compatible' === $engine
) {
// those use already stored w3tc config.
$w3_cdn = Dispatcher::component( 'Cdn_Core' )->get_cdn();
} else {
// those use dynamic config from the page.
$w3_cdn = CdnEngine::instance( $engine, $config );
}
@set_time_limit( $this->_config->get_integer( 'timelimit.cdn_test' ) );
try {
if ( $w3_cdn->test( $error ) ) {
$result = true;
$error = __( 'Test passed', 'w3-total-cache' );
} else {
$result = false;
$error = sprintf(
// Translators: 1 error message.
__(
'Error: %1$s',
'w3-total-cache'
),
$error
);
}
} catch ( \Exception $ex ) {
$result = false;
$error = sprintf(
// Translators: 1 error message.
__(
'Error: %s',
'w3-total-cache'
),
$ex->getMessage()
);
}
}
$response = array(
'result' => $result,
'error' => $error,
);
echo wp_json_encode( $response );
}
/**
* Handles the creation of a CDN container.
*
* This method is responsible for creating a new container for supported CDN engines
* such as Amazon S3, CloudFront, Azure, and others. It retrieves configuration details
* from the request, attempts to create the container, and outputs a JSON-encoded response
* with the result and any error message.
*
* @return void
*/
public function w3tc_cdn_create_container() {
$engine = Util_Request::get_string( 'engine' );
$config = Util_Request::get_array( 'config' );
$config = array_merge( $config, array( 'debug' => false ) );
$container_id = '';
switch ( $engine ) {
case 's3':
case 'cf':
case 'cf2':
case 'azure':
case 'azuremi':
$w3_cdn = CdnEngine::instance( $engine, $config );
@set_time_limit( $this->_config->get_integer( 'timelimit.cdn_upload' ) );
$result = false;
try {
$container_id = $w3_cdn->create_container();
$result = true;
$error = __( 'Created successfully.', 'w3-total-cache' );
} catch ( \Exception $ex ) {
$error = sprintf(
// Translators: 1 error message.
__(
'Error: %1$s',
'w3-total-cache'
),
$ex->getMessage()
);
}
break;
default:
$result = false;
$error = __( 'Incorrect type.', 'w3-total-cache' );
}
$response = array(
'result' => $result,
'error' => $error,
'container_id' => $container_id,
);
echo wp_json_encode( $response );
}
/**
* Redirects to the BunnyCDN signup page and tracks the signup event.
*
* This method logs the time of the BunnyCDN signup action and redirects the user
* to the BunnyCDN signup URL. Any errors during state saving are ignored.
*
* @since 2.6.0
*
* @return void
*/
public function w3tc_cdn_bunnycdn_signup() {
try {
$state = Dispatcher::config_state();
$state->set( 'track.bunnycdn_signup', time() );
$state->save();
} catch ( \Exception $ex ) {} // phpcs:ignore
Util_Environment::redirect( W3TC_BUNNYCDN_SIGNUP_URL );
}
/**
* Tests the accessibility of a given CDN URL.
*
* This private method checks the accessibility of a specified CDN URL by sending a GET request
* and verifying the response code. It returns true if the URL is accessible (HTTP 200 response),
* or false otherwise.
*
* @param string $url The URL to test.
*
* @return bool True if the URL is accessible, false otherwise.
*/
private function test_cdn_url( $url ) {
$response = wp_remote_get( $url );
if ( is_wp_error( $response ) ) {
return false;
} else {
$code = wp_remote_retrieve_response_code( $response );
return 200 === $code;
}
}
}