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Current File : /nas/content/live/attorneyexperi/wp-content/plugins/wp-rocket/inc/Addon/Cloudflare/Subscriber.php
<?php
declare(strict_types=1);
namespace WP_Rocket\Addon\Cloudflare;
use WP_Post;
use WP_Rocket\Event_Management\Subscriber_Interface;
use WP_Rocket\Admin\{Options, Options_Data};
use WPMedia\Cloudflare\Auth\AuthFactoryInterface;
class Subscriber implements Subscriber_Interface {
/**
* Cloudflare instance.
*
* @var Cloudflare
*/
private $cloudflare;
/**
* Options Data instance.
*
* @var Options_Data
*/
private $options;
/**
* Options instance.
*
* @var Options
*/
private $options_api;
/**
* Authentication factory.
*
* @var AuthFactoryInterface
*/
protected $auth_factory;
/**
* Creates an instance of the Cloudflare Subscriber.
*
* @param Cloudflare $cloudflare Cloudflare instance.
* @param Options_Data $options WP Rocket options instance.
* @param Options $options_api Options instance.
* @param AuthFactoryInterface $auth_factory Authentication factory.
*/
public function __construct( Cloudflare $cloudflare, Options_Data $options, Options $options_api, AuthFactoryInterface $auth_factory ) {
$this->options = $options;
$this->options_api = $options_api;
$this->cloudflare = $cloudflare;
$this->auth_factory = $auth_factory;
}
/**
* Returns an array of events that this subscriber wants to listen to.
*
* @return array
*/
public static function get_subscribed_events() {
$slug = rocket_get_constant( 'WP_ROCKET_SLUG', 'wp_rocket_settings' );
return [
'rocket_varnish_ip' => 'set_varnish_localhost',
'rocket_varnish_purge_request_host' => 'set_varnish_purge_request_host',
'rocket_cron_deactivate_cloudflare_devmode' => 'deactivate_devmode',
'rocket_after_clean_domain' => 'auto_purge',
'after_rocket_clean_post' => [ 'auto_purge_by_url', 10, 3 ],
'admin_post_rocket_purge_cloudflare' => 'purge_cache',
'init' => [ 'set_real_ip', 1 ],
'update_option_' . $slug => [
[ 'save_cloudflare_options', 10, 2 ],
[ 'update_dev_mode', 11, 2 ],
],
'pre_update_option_' . $slug => [
[ 'change_auth', 8, 2 ],
[ 'delete_connection_transient', 10, 2 ],
[ 'save_cloudflare_old_settings', 10, 2 ],
[ 'display_settings_notice', 11, 2 ],
],
'rocket_buffer' => [ 'protocol_rewrite', PHP_INT_MAX ],
'wp_calculate_image_srcset' => [ 'protocol_rewrite_srcset', PHP_INT_MAX ],
'rocket_cdn_helper_addons' => 'add_cdn_helper_message',
];
}
/**
* Sets the Varnish IP to localhost if Cloudflare is active.
*
* @param string|array $varnish_ip Varnish IP.
*
* @return array
*/
public function set_varnish_localhost( $varnish_ip ) {
if ( ! $this->should_filter_varnish() ) {
return $varnish_ip;
}
if ( is_string( $varnish_ip ) ) {
$varnish_ip = (array) $varnish_ip;
}
$varnish_ip[] = 'localhost';
return $varnish_ip;
}
/**
* Sets the Host header to the website domain if Cloudflare is active.
*
* @param string $host the host header value.
*
* @return string
*/
public function set_varnish_purge_request_host( $host ) {
if ( ! $this->should_filter_varnish() ) {
return $host;
}
return wp_parse_url( home_url(), PHP_URL_HOST );
}
/**
* Checks if we should filter the value for the Varnish purge.
*
* @return bool
*/
private function should_filter_varnish(): bool {
// This filter is documented in inc/Addon/Varnish.php.
return apply_filters( 'do_rocket_varnish_http_purge', false ) // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
||
$this->options->get( 'varnish_auto_purge', 0 );
}
/**
* Automatically set Cloudflare development mode value to off after 3 hours to reflect Cloudflare behaviour.
*
* @return void
*/
public function deactivate_devmode() {
$this->options->set( 'cloudflare_devmode', 0 );
$this->options_api->set( 'settings', $this->options->get_options() );
}
/**
* Purge Cloudflare cache automatically if Cache Everything is set as a Page Rule.
*
* @return void
*/
public function auto_purge() {
if ( ! current_user_can( 'rocket_purge_cloudflare_cache' ) ) {
return;
}
$settings = $this->options_api->get( 'settings', [] );
$this->options->set_values( $settings );
$auth = $this->auth_factory->create( $settings );
$this->cloudflare->change_auth( $auth );
if ( is_wp_error( $this->cloudflare->check_connection( $this->options->get( 'cloudflare_zone_id', '' ) ) ) ) {
return;
}
$cf_cache_everything = $this->cloudflare->has_page_rule( 'cache_everything' );
if ( is_wp_error( $cf_cache_everything ) || ! $cf_cache_everything ) {
return;
}
// Purge CloudFlare.
$this->cloudflare->purge_cloudflare();
}
/**
* Purge Cloudflare cache URLs automatically if Cache Everything is set as a Page Rule.
*
* @param WP_Post $post The post object.
* @param array $purge_urls URLs cache files to remove.
* @param string $lang The post language.
*
* @return void
*/
public function auto_purge_by_url( $post, $purge_urls, $lang ) {
if ( ! current_user_can( 'rocket_purge_cloudflare_cache' ) ) {
return;
}
if ( is_wp_error( $this->cloudflare->check_connection() ) ) {
return;
}
$cf_cache_everything = $this->cloudflare->has_page_rule( 'cache_everything' );
if ( is_wp_error( $cf_cache_everything ) || ! $cf_cache_everything ) {
return;
}
// Add home URL and feeds URLs to Cloudflare clean cache URLs list.
$purge_urls[] = get_rocket_i18n_home_url( $lang );
$feed_urls = [];
$feed_urls[] = get_feed_link();
$feed_urls[] = get_feed_link( 'comments_' );
// this filter is documented in inc/functions/files.php.
$feed_urls = apply_filters( 'rocket_clean_home_feeds', $feed_urls );
$purge_urls = array_unique( array_merge( $purge_urls, $feed_urls ) );
// Purge CloudFlare.
$this->cloudflare->purge_by_url( $post, $purge_urls, $lang );
}
/**
* Purge CloudFlare cache.
*
* @return void
*/
public function purge_cache_no_die() {
if ( ! current_user_can( 'rocket_purge_cloudflare_cache' ) ) {
return;
}
$connection = $this->cloudflare->check_connection();
if ( is_wp_error( $connection ) ) {
$cf_purge_result = [
'result' => 'error',
'message' => sprintf(
// translators: %1$s = <strong>, %2$s = </strong>, %3$s = CloudFare API return message.
__( '%1$sWP Rocket:%2$s %3$s', 'rocket' ),
'<strong>',
'</strong>',
$connection->get_error_message()
),
];
set_transient( get_current_user_id() . '_cloudflare_purge_result', $cf_purge_result );
return;
}
// Purge CloudFlare.
$cf_purge = $this->cloudflare->purge_cloudflare();
$cf_purge_result = [
'result' => 'success',
'message' => sprintf(
// translators: %1$s = <strong>, %2$s = </strong>.
__( '%1$sWP Rocket:%2$s Cloudflare cache successfully purged.', 'rocket' ),
'<strong>',
'</strong>'
),
];
if ( is_wp_error( $cf_purge ) ) {
$cf_purge_result = [
'result' => 'error',
'message' => sprintf(
// translators: %1$s = <strong>, %2$s = </strong>, %3$s = CloudFare API return message.
__( '%1$sWP Rocket:%2$s %3$s', 'rocket' ),
'<strong>',
'</strong>',
$cf_purge->get_error_message()
),
];
}
set_transient( get_current_user_id() . '_cloudflare_purge_result', $cf_purge_result );
}
/**
* Purge CloudFlare cache.
*
* @return void
*/
public function purge_cache() {
if ( ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( sanitize_key( $_GET['_wpnonce'] ), 'rocket_purge_cloudflare' ) ) {
wp_nonce_ays( '' );
}
$this->purge_cache_no_die();
wp_safe_redirect( esc_url_raw( wp_get_referer() ) );
defined( 'WPMEDIA_IS_TESTING' ) ? wp_die() : exit;
}
/**
* Set Real IP from CloudFlare.
*
* @return void
*/
public function set_real_ip() {
Cloudflare::set_ip_rewrite();
}
/**
* Save Cloudflare dev mode admin option.
*
* @param string $value New value for Cloudflare dev mode.
*
* @return string[]
*/
private function save_cloudflare_devmode( $value ) {
$result = $this->cloudflare->set_devmode( $value );
if ( is_wp_error( $result ) ) {
return [
'result' => 'error',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare development mode error: %s', 'rocket' ), $result->get_error_message() ),
];
}
return [
'result' => 'success',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare development mode %s', 'rocket' ), $result ),
];
}
/**
* Save Cloudflare cache_level admin option.
*
* @param string $value New value for Cloudflare cache_level.
*
* @return string[]
*/
private function save_cache_level( $value ) {
// Set Cache Level to Aggressive.
$result = $this->cloudflare->set_cache_level( $value );
if ( is_wp_error( $result ) ) {
return [
'result' => 'error',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare cache level error: %s', 'rocket' ), $result->get_error_message() ),
];
}
$level = $value;
if ( 'aggressive' === $result ) {
$level = _x( 'standard', 'Cloudflare caching level', 'rocket' );
}
return [
'result' => 'success',
// translators: %s is the caching level returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare cache level set to %s', 'rocket' ), $level ),
];
}
/**
* Save Cloudflare minify admin option.
*
* @param string $value New value for Cloudflare minify.
*
* @return string[]
*/
private function save_minify( $value ) {
$result = $this->cloudflare->set_minify( $value );
if ( is_wp_error( $result ) ) {
return [
'result' => 'error',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare minification error: %s', 'rocket' ), $result->get_error_message() ),
];
}
return [
'result' => 'success',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare minification %s', 'rocket' ), $result ),
];
}
/**
* Save Cloudflare rocket loader admin option.
*
* @param string $value New value for Cloudflare rocket loader.
*
* @return string[]
*/
private function save_rocket_loader( $value ) {
$result = $this->cloudflare->set_rocket_loader( $value );
if ( is_wp_error( $result ) ) {
return [
'result' => 'error',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare rocket loader error: %s', 'rocket' ), $result->get_error_message() ),
];
}
return [
'result' => 'success',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare rocket loader %s', 'rocket' ), $result ),
];
}
/**
* Save Cloudflare browser cache ttl admin option.
*
* @param int $value New value for Cloudflare browser cache ttl.
*
* @return string[]
*/
private function save_browser_cache_ttl( $value ) {
$result = $this->cloudflare->set_browser_cache_ttl( $value );
if ( is_wp_error( $result ) ) {
return [
'result' => 'error',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare browser cache error: %s', 'rocket' ), $result->get_error_message() ),
];
}
return [
'result' => 'success',
// translators: %s is the message returned by the CloudFlare API.
'message' => sprintf( __( 'Cloudflare browser cache set to %s', 'rocket' ), $result ),
];
}
/**
* Save Cloudflare auto settings admin option.
*
* @param int $auto_settings New value for Cloudflare auto_settings.
* @param string $old_settings Cloudflare cloudflare_old_settings.
*
* @return array<int, array<string>>
*/
private function save_cloudflare_auto_settings( $auto_settings, $old_settings ) {
$cf_old_settings = explode( ',', $old_settings );
$result = [];
// Set Cache Level to Aggressive.
$cf_cache_level = isset( $cf_old_settings[0] ) && 0 === $auto_settings ? $cf_old_settings[0] : 'aggressive';
$result[] = $this->save_cache_level( $cf_cache_level );
// Active Minification for HTML, CSS & JS.
$cf_minify = isset( $cf_old_settings[1] ) && 0 === $auto_settings ? $cf_old_settings[1] : 'on';
$result[] = $this->save_minify( $cf_minify );
// Deactivate Rocket Loader to prevent conflicts.
$cf_rocket_loader = isset( $cf_old_settings[2] ) && 0 === $auto_settings ? $cf_old_settings[2] : 'off';
$result[] = $this->save_rocket_loader( $cf_rocket_loader );
// Set Browser cache to 1 year.
$cf_browser_cache_ttl = isset( $cf_old_settings[3] ) && 0 === $auto_settings ? $cf_old_settings[3] : 31536000;
$result[] = $this->save_browser_cache_ttl( $cf_browser_cache_ttl );
return $result;
}
/**
* Update the development mode value on Cloudflare
*
* @param array $old_value An array of previous values for the settings.
* @param array $value An array of submitted values for the settings.
*
* @return void
*/
public function update_dev_mode( $old_value, $value ) {
if ( ! current_user_can( 'rocket_manage_options' ) ) {
return;
}
if ( ! isset( $old_value['cloudflare_devmode'], $value['cloudflare_devmode'] ) ) {
return;
}
if ( (int) $old_value['cloudflare_devmode'] === (int) $value['cloudflare_devmode'] ) {
return;
}
$connection = $this->cloudflare->check_connection( $value['cloudflare_zone_id'] );
if ( is_wp_error( $connection ) ) {
return;
}
$result = [
'pre' => sprintf(
'%1$sWP Rocket:%2$s',
'<strong>',
'</strong> '
),
];
$update = get_transient( get_current_user_id() . '_cloudflare_update_settings' );
if ( false !== $update ) {
$result = $update;
}
$result[] = $this->save_cloudflare_devmode( $value['cloudflare_devmode'] );
set_transient( get_current_user_id() . '_cloudflare_update_settings', $result );
}
/**
* Save Cloudflare admin options.
*
* @param array $old_value An array of previous values for the settings.
* @param array $value An array of submitted values for the settings.
*
* @return void
*/
public function save_cloudflare_options( $old_value, $value ) {
if ( ! current_user_can( 'rocket_manage_options' ) ) {
return;
}
if ( ! isset( $old_value['cloudflare_auto_settings'], $value['cloudflare_auto_settings'] ) ) {
return;
}
if ( (int) $old_value['cloudflare_auto_settings'] === (int) $value['cloudflare_auto_settings'] ) {
return;
}
$connection = $this->cloudflare->check_connection( $value['cloudflare_zone_id'] );
if ( is_wp_error( $connection ) ) {
return;
}
$result = [
'pre' => sprintf(
// translators: %1$s = strong opening tag, %2$s = strong closing tag.
__( '%1$sWP Rocket:%2$s Optimal settings activated for Cloudflare:', 'rocket' ),
'<strong>',
'</strong>'
) . '<br>',
];
if ( 0 === (int) $value['cloudflare_auto_settings'] ) {
$result['pre'] = sprintf(
// translators: %1$s = strong opening tag, %2$s = strong closing tag.
__( '%1$sWP Rocket:%2$s Optimal settings deactivated for Cloudflare, reverted to previous settings:', 'rocket' ),
'<strong>',
'</strong>'
) . '<br>';
}
$result = array_merge( $result, $this->save_cloudflare_auto_settings( $value['cloudflare_auto_settings'], $value['cloudflare_old_settings'] ) );
set_transient( get_current_user_id() . '_cloudflare_update_settings', $result );
}
/**
* Save Cloudflare old settings when the auto settings option is enabled.
*
* @param array $value An array of previous values for the settings.
* @param array $old_value An array of submitted values for the settings.
*
* @return array
*/
public function save_cloudflare_old_settings( $value, $old_value ) {
if ( ! current_user_can( 'rocket_manage_options' ) ) {
return $value;
}
if ( ! isset( $value['cloudflare_auto_settings'], $old_value ['cloudflare_auto_settings'] ) ) {
return $value;
}
if ( $value['cloudflare_auto_settings'] === $old_value ['cloudflare_auto_settings'] ) {
return $value;
}
if ( 0 === (int) $value['cloudflare_auto_settings'] ) {
return $value;
}
$cloudflare_zone_id = key_exists( 'cloudflare_zone_id', $value ) ? $value['cloudflare_zone_id'] : '';
if ( is_wp_error( $this->cloudflare->check_connection( $cloudflare_zone_id ) ) ) {
return $value;
}
$cf_settings = $this->cloudflare->get_settings();
$value['cloudflare_old_settings'] = ! is_wp_error( $cf_settings )
? implode( ',', array_filter( $cf_settings ) )
: '';
return $value;
}
/**
* Change the authentification.
*
* @param array $value An array of previous values for the settings.
* @param array $old_value An array of submitted values for the settings.
*
* @return mixed
*/
public function change_auth( $value, $old_value ) {
$auth = $this->auth_factory->create( $value );
$this->cloudflare->change_auth( $auth );
return $value;
}
/**
* Delete the transient CF connection status when API Key, Email or Zone ID is changed
*
* @param array $value An array of previous values for the settings.
* @param array $old_value An array of submitted values for the settings.
*
* @return array
*/
public function delete_connection_transient( $value, $old_value ) {
$fields = [
'cloudflare_api_key',
'cloudflare_email',
'cloudflare_zone_id',
'cloudflare_devmode',
'cloudflare_auto_settings',
'cloudflare_protocol_rewrite',
];
$change = false;
foreach ( $fields as $field ) {
$change |= ! isset( $old_value[ $field ], $value[ $field ] ) || $old_value[ $field ] !== $value[ $field ];
}
if ( ! $change ) {
return $value;
}
delete_transient( get_current_user_id() . '_cloudflare_update_settings' );
delete_transient( 'rocket_cloudflare_is_api_keys_valid' );
return $value;
}
/**
* Display the error notice.
*
* @param array $value An array of previous values for the settings.
* @param array $old_value An array of submitted values for the settings.
*
* @return mixed
*/
public function display_settings_notice( $value, $old_value ) {
if ( ! key_exists( 'cloudflare_zone_id', $value ) ) {
return $value;
}
$connection = $this->cloudflare->check_connection( $value['cloudflare_zone_id'] );
if ( is_wp_error( $connection ) ) {
add_settings_error( 'general', 'cloudflare_api_key_invalid', __( 'WP Rocket: ', 'rocket' ) . '</strong>' . $connection->get_error_message() . '<strong>', 'error' );
}
return $value;
}
/**
* Remove HTTP protocol on script, link, img and form tags.
*
* @param string $buffer HTML content.
*
* @return string
*/
public function protocol_rewrite( $buffer ) {
if ( ! $this->can_protocol_rewrite() ) {
return $buffer;
}
$return = preg_replace( "/(<(script|link|img|form)(?!.*?[\"']\bcanonical\b[\"'])([^>]*)(href|src|action)=[\"'])https?:\\/\\//i", '$1//', $buffer );
if ( $return ) {
$buffer = $return;
}
return $buffer;
}
/**
* Remove HTTP protocol on srcset attribute generated by WordPress
*
* @param array $sources an Array of images sources for srcset.
*
* @return array
*/
public function protocol_rewrite_srcset( $sources ) {
if ( ! $this->can_protocol_rewrite() ) {
return $sources;
}
if ( empty( $sources ) ) {
return $sources;
}
foreach ( $sources as $i => $source ) {
$sources[ $i ]['url'] = str_replace( [ 'http:', 'https:' ], '', $source['url'] );
}
return $sources;
}
/**
* Can rewrite protocol
*
* @return bool
*/
private function can_protocol_rewrite(): bool {
return $this->options->get( 'do_cloudflare', 0 )
&&
(
$this->options->get( 'cloudflare_protocol_rewrite', 0 )
||
apply_filters( 'do_rocket_protocol_rewrite', false ) // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
);
}
/**
* Add the helper message on the CDN settings.
*
* @param string[] $addons Name from the addon that requires the helper message.
* @return string[]
*/
public function add_cdn_helper_message( array $addons ): array {
$addons[] = 'Cloudflare';
return $addons;
}
}
