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| Dir : /home/trave494/live2news.com/wp-content/plugins/w3-total-cache/Generic_Plugin.php |
<?php
namespace W3TC;
/**
* W3 Total Cache plugin
*/
class Generic_Plugin {
private $is_wp_die = false;
private $_translations = array();
private $_config = null;
function __construct() {
$this->_config = Dispatcher::config();
}
/**
* Runs plugin
*/
function run() {
add_filter( 'cron_schedules', array( $this, 'cron_schedules' ), 5 );
/* need this to run before wp-cron to issue w3tc redirect */
add_action( 'init', array( $this, 'init' ), 1 );
if ( Util_Environment::is_w3tc_pro_dev() && Util_Environment::is_w3tc_pro( $this->_config ) ) {
add_action( 'wp_footer', array( $this, 'pro_dev_mode' ) );
}
add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ), 150 );
add_action( 'admin_bar_init', array( $this, 'admin_bar_init' ) );
$http_user_agent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
if ( ! empty( Util_Request::get_string( 'w3tc_theme' ) ) && stristr( $http_user_agent, W3TC_POWERED_BY ) !== false ) {
add_filter( 'template', array( $this, 'template_preview' ) );
add_filter( 'stylesheet', array( $this, 'stylesheet_preview' ) );
} elseif ( $this->_config->get_boolean( 'mobile.enabled' ) || $this->_config->get_boolean( 'referrer.enabled' ) ) {
add_filter( 'template', array( $this, 'template' ) );
add_filter( 'stylesheet', array( $this, 'stylesheet' ) );
}
/**
* Create cookies to flag if a pgcache role was loggedin
*/
if ( ! $this->_config->get_boolean( 'pgcache.reject.logged' ) && $this->_config->get_array( 'pgcache.reject.logged_roles' ) ) {
add_action( 'set_logged_in_cookie', array( $this, 'check_login_action' ), 0, 5 );
add_action( 'clear_auth_cookie', array( $this, 'check_login_action' ), 0, 5 );
}
if ( $this->can_ob() ) {
add_filter( 'wp_die_xml_handler', array( $this, 'wp_die_handler' ) );
add_filter( 'wp_die_handler', array( $this, 'wp_die_handler' ) );
ob_start( array( $this, 'ob_callback' ) );
}
}
/**
* Marks wp_die was called so response is system message
**/
public function wp_die_handler( $v ) {
$this->is_wp_die = true;
return $v;
}
/**
* Cron schedules filter
*
* @param array $schedules
* @return array
*/
function cron_schedules( $schedules ) {
// Sets default values which are overriden by apropriate plugins
// if they are enabled
//
// absense of keys (if e.g. pgcaching became disabled, but there is
// cron event scheduled in db) causes PHP notices.
return array_merge(
$schedules,
array(
'w3_cdn_cron_queue_process' => array(
'interval' => 0,
'display' => '[W3TC] CDN queue process (disabled)',
),
'w3_cdn_cron_upload' => array(
'interval' => 0,
'display' => '[W3TC] CDN auto upload (disabled)',
),
'w3_dbcache_cleanup' => array(
'interval' => 0,
'display' => '[W3TC] Database Cache file GC (disabled)',
),
'w3_fragmentcache_cleanup' => array(
'interval' => 0,
'display' => '[W3TC] Fragment Cache file GC (disabled)',
),
'w3_minify_cleanup' => array(
'interval' => 0,
'display' => '[W3TC] Minify file GC (disabled)',
),
'w3_objectcache_cleanup' => array(
'interval' => 0,
'display' => '[W3TC] Object Cache file GC (disabled)',
),
'w3_pgcache_cleanup' => array(
'interval' => 0,
'display' => '[W3TC] Page Cache file GC (disabled)',
),
'w3_pgcache_prime' => array(
'interval' => 0,
'display' => '[W3TC] Page Cache file GC (disabled)',
),
)
);
}
/**
* Init action
*
* @return void
*/
function init() {
// Load W3TC textdomain for translations.
$this->reset_l10n();
load_plugin_textdomain( W3TC_TEXT_DOMAIN, false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
if ( is_multisite() && ! is_network_admin() ) {
global $w3_current_blog_id, $current_blog;
if ( $w3_current_blog_id !== $current_blog->blog_id && ! isset( $GLOBALS['w3tc_blogmap_register_new_item'] ) ) {
$url = Util_Environment::host_port() . ( isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '' );
$pos = strpos( $url, '?' );
if ( false !== $pos ) {
$url = substr( $url, 0, $pos );
}
$GLOBALS['w3tc_blogmap_register_new_item'] = $url;
}
}
if ( isset( $GLOBALS['w3tc_blogmap_register_new_item'] ) ) {
$do_redirect = Util_WpmuBlogmap::register_new_item( $this->_config );
// reset cache of blog_id.
Util_Environment::reset_microcache();
Dispatcher::reset_config();
// change config to actual blog, it was master before.
$this->_config = new Config();
// fix environment, potentially it's first request to a specific blog.
$environment = Dispatcher::component( 'Root_Environment' );
$environment->fix_on_event( $this->_config, 'first_frontend', $this->_config );
// need to repeat request processing, since we was not able to realize
// blog_id before so we are running with master config now.
// redirect to the same url causes "redirect loop" error in browser,
// so need to redirect to something a bit different.
if ( $do_redirect ) {
if ( ( defined( 'WP_CLI' ) && WP_CLI ) || php_sapi_name() === 'cli' ) {
// command-line mode, no real requests made,
// try to switch context in-request.
} else {
$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
if ( strpos( $request_uri, '?' ) === false ) {
Util_Environment::safe_redirect_temp( $request_uri . '?repeat=w3tc' );
} else {
if ( strpos( $request_uri, 'repeat=w3tc' ) === false ) {
Util_Environment::safe_redirect_temp( $request_uri . '&repeat=w3tc' );
}
}
}
}
}
/**
* Check for rewrite test request
*/
$rewrite_test = Util_Request::get_boolean( 'w3tc_rewrite_test' );
if ( $rewrite_test ) {
echo 'OK';
exit();
}
$admin_bar = false;
if ( function_exists( 'is_admin_bar_showing' ) ) {
$admin_bar = is_admin_bar_showing();
}
if ( $admin_bar ) {
add_action( 'wp_print_scripts', array( $this, 'popup_script' ) );
}
// dont add system stuff to search results.
$repeat_val = Util_Request::get_string( 'repeat' );
if ( ( ! empty( $repeat_val ) && 'w3tc' === $repeat_val ) || Util_Environment::is_preview_mode() ) {
header( 'X-Robots-Tag: noindex' );
}
}
public function admin_bar_init() {
$font_base = plugins_url( 'pub/fonts/w3tc', W3TC_FILE );
$css = "
@font-face {
font-family: 'w3tc';
src: url('$font_base.eot');
src: url('$font_base.eot?#iefix') format('embedded-opentype'),
url('$font_base.woff') format('woff'),
url('$font_base.ttf') format('truetype'),
url('$font_base.svg#w3tc') format('svg');
font-weight: normal;
font-style: normal;
}
.w3tc-icon:before{
content:'\\0041'; top: 2px;
font-family: 'w3tc';
}";
wp_add_inline_style( 'admin-bar', $css);
}
/**
* Admin bar menu
*
* @return void
*/
function admin_bar_menu() {
global $wp_admin_bar;
$base_capability = apply_filters( 'w3tc_capability_admin_bar', 'manage_options' );
if ( current_user_can( $base_capability ) ) {
$modules = Dispatcher::component( 'ModuleStatus' );
$menu_items = array();
$menu_items['00010.generic'] = array(
'id' => 'w3tc',
'title' => sprintf(
'<span class="w3tc-icon ab-icon"></span><span class="ab-label">%s</span>',
__( 'Performance', 'w3-total-cache' )
),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_dashboard' ),
'w3tc'
),
);
if ( $modules->plugin_is_enabled() ) {
$menu_items['10010.generic'] = array(
'id' => 'w3tc_flush_all',
'parent' => 'w3tc',
'title' => __( 'Purge All Caches', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_all' ),
'w3tc'
),
);
// Add menu item to flush all cached except Bunny CDN.
if (
0 && // @todo Revisit this item.
Cdn_BunnyCdn_Page::is_active() && (
$modules->can_empty_memcache()
|| $modules->can_empty_opcode()
|| $modules->can_empty_file()
|| $modules->can_empty_varnish()
)
) {
$menu_items['10012.generic'] = array(
'id' => 'w3tc_flush_all_except_bunnycdn',
'parent' => 'w3tc',
'title' => __( 'Purge All Caches Except Bunny CDN', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_bunnycdn_flush_all_except_bunnycdn' ),
'w3tc'
),
);
}
// Add menu item to flush all cached except Cloudflare.
if (
! empty( $this->_config->get_string( array( 'cloudflare', 'email' ) ) )
&& ! empty( $this->_config->get_string( array( 'cloudflare', 'key' ) ) )
&& (
$modules->can_empty_memcache()
|| $modules->can_empty_opcode()
|| $modules->can_empty_file()
|| $modules->can_empty_varnish()
)
) {
$menu_items['10015.generic'] = array(
'id' => 'w3tc_flush_all_except_cf',
'parent' => 'w3tc',
'title' => __( 'Purge All Caches Except Cloudflare', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_cloudflare_flush_all_except_cf' ),
'w3tc'
),
);
}
if ( ! is_admin() ) {
$menu_items['10020.generic'] = array(
'id' => 'w3tc_flush_current_page',
'parent' => 'w3tc',
'title' => __( 'Purge Current Page', 'w3-total-cache' ),
'href' => wp_nonce_url(
admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_post&post_id=' . Util_Environment::detect_post_id() . '&force=true' ),
'w3tc'
),
);
}
$menu_items['20010.generic'] = array(
'id' => 'w3tc_flush',
'parent' => 'w3tc',
'title' => __( 'Purge Modules', 'w3-total-cache' ),
);
}
$menu_items['30000.generic'] = array(
'id' => 'w3tc_feature_showcase',
'parent' => 'w3tc',
'title' => __( 'Feature Showcase', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_feature_showcase' ),
'w3tc'
),
);
$menu_items['40010.generic'] = array(
'id' => 'w3tc_settings_general',
'parent' => 'w3tc',
'title' => __( 'General Settings', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_general' ),
'w3tc'
),
);
$menu_items['40020.generic'] = array(
'id' => 'w3tc_settings_extensions',
'parent' => 'w3tc',
'title' => __( 'Manage Extensions', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_extensions' ),
'w3tc'
),
);
$menu_items['40030.generic'] = array(
'id' => 'w3tc_settings_faq',
'parent' => 'w3tc',
'title' => __( 'FAQ', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_faq' ),
'w3tc'
),
);
$menu_items['60010.generic'] = array(
'id' => 'w3tc_support',
'parent' => 'w3tc',
'title' => __( 'Support', 'w3-total-cache' ),
'href' => wp_nonce_url(
network_admin_url( 'admin.php?page=w3tc_support' ),
'w3tc'
),
);
if ( defined( 'W3TC_DEBUG' ) && W3TC_DEBUG ) {
$menu_items['90010.generic'] = array(
'id' => 'w3tc_debug_overlays',
'parent' => 'w3tc',
'title' => __( 'Debug: Overlays', 'w3-total-cache' ),
);
}
$menu_items = apply_filters( 'w3tc_admin_bar_menu', $menu_items );
$keys = array_keys( $menu_items );
asort( $keys );
foreach ( $keys as $key ) {
$capability = apply_filters(
'w3tc_capability_admin_bar_' . $menu_items[ $key ]['id'],
$base_capability
);
if ( current_user_can( $capability ) ) {
$wp_admin_bar->add_menu( $menu_items[ $key ] );
}
}
}
}
/**
* Template filter
*
* @param unknown $template
* @return string
*/
function template( $template ) {
$w3_mobile = Dispatcher::component( 'Mobile_UserAgent' );
$mobile_template = $w3_mobile->get_template();
if ( $mobile_template ) {
return $mobile_template;
} else {
$w3_referrer = Dispatcher::component( 'Mobile_Referrer' );
$referrer_template = $w3_referrer->get_template();
if ( $referrer_template ) {
return $referrer_template;
}
}
return $template;
}
/**
* Stylesheet filter
*
* @param unknown $stylesheet
* @return string
*/
function stylesheet( $stylesheet ) {
$w3_mobile = Dispatcher::component( 'Mobile_UserAgent' );
$mobile_stylesheet = $w3_mobile->get_stylesheet();
if ( $mobile_stylesheet ) {
return $mobile_stylesheet;
} else {
$w3_referrer = Dispatcher::component( 'Mobile_Referrer' );
$referrer_stylesheet = $w3_referrer->get_stylesheet();
if ( $referrer_stylesheet ) {
return $referrer_stylesheet;
}
}
return $stylesheet;
}
/**
* Template filter
*
* @param unknown $template
* @return string
*/
function template_preview( $template ) {
$theme_name = Util_Request::get_string( 'w3tc_theme' );
$theme = Util_Theme::get( $theme_name );
if ( $theme ) {
return $theme['Template'];
}
return $template;
}
/**
* Stylesheet filter
*
* @param unknown $stylesheet
* @return string
*/
function stylesheet_preview( $stylesheet ) {
$theme_name = Util_Request::get_string( 'w3tc_theme' );
$theme = Util_Theme::get( $theme_name );
if ( $theme ) {
return $theme['Stylesheet'];
}
return $stylesheet;
}
/**
* Output buffering callback
*
* @param string $buffer
* @return string
*/
function ob_callback( $buffer ) {
global $wpdb;
global $w3_late_caching_succeeded;
if ( $w3_late_caching_succeeded ) {
return $buffer;
}
if ( $this->is_wp_die && ! apply_filters( 'w3tc_process_wp_die', false, $buffer ) ) {
// wp_die is dynamic output (usually fatal errors), dont process it
} else {
$buffer = apply_filters( 'w3tc_process_content', $buffer );
if ( Util_Content::can_print_comment( $buffer ) ) {
/**
* Add footer comment
*/
$date = date_i18n( 'Y-m-d H:i:s' );
$host = ( ! empty( $_SERVER['SERVER_NAME'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) ) : 'localhost' );
if ( Util_Environment::is_preview_mode() ) {
$buffer .= "\r\n<!-- W3 Total Cache used in preview mode -->";
}
$strings = array();
if ( ! $this->_config->get_boolean( 'common.tweeted' ) ) {
$strings[] = 'Performance optimized by W3 Total Cache. Learn more: https://www.boldgrid.com/w3-total-cache/';
$strings[] = '';
}
$strings = apply_filters( 'w3tc_footer_comment', $strings );
if ( count( $strings ) ) {
$strings[] = '';
$strings[] = sprintf(
'Served from: %1$s @ %2$s by W3 Total Cache',
Util_Content::escape_comment( $host ),
$date
);
$buffer .= "\r\n<!--\r\n" .
Util_Content::escape_comment( implode( "\r\n", $strings ) ) .
"\r\n-->";
}
}
$buffer = Util_Bus::do_ob_callbacks(
array(
'swarmify',
'lazyload',
'removecssjs',
'deferscripts',
'minify',
'newrelic',
'cdn',
'browsercache',
),
$buffer
);
$buffer = apply_filters( 'w3tc_processed_content', $buffer );
// Apply the w3tc_processed_content filter before pagecache callback.
$buffer = Util_Bus::do_ob_callbacks(
array( 'pagecache' ),
$buffer
);
}
return $buffer;
}
/**
* Check if we can do modify contents
*
* @return boolean
*/
function can_ob() {
global $w3_late_init;
if ( $w3_late_init ) {
return false;
}
/**
* Skip if doing AJAX
*/
if ( defined( 'DOING_AJAX' ) ) {
return false;
}
/**
* Skip if doing cron
*/
if ( defined( 'DOING_CRON' ) ) {
return false;
}
/**
* Skip if APP request
*/
if ( defined( 'APP_REQUEST' ) ) {
return false;
}
/**
* Skip if XMLRPC request
*/
if ( defined( 'XMLRPC_REQUEST' ) ) {
return false;
}
/**
* Check for WPMU's and WP's 3.0 short init
*/
if ( defined( 'SHORTINIT' ) && SHORTINIT ) {
return false;
}
/**
* Check User Agent
*/
$http_user_agent = isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
if ( stristr( $http_user_agent, W3TC_POWERED_BY ) !== false ) {
return false;
}
return true;
}
/**
* User login hook
* Check if current user is not listed in pgcache.reject.* rules
* If so, set a role cookie so the requests wont be cached
*/
function check_login_action( $logged_in_cookie = false, $expire = ' ', $expiration = 0, $user_id = 0, $action = 'logged_out' ) {
$current_user = wp_get_current_user();
if ( isset( $current_user->ID ) && ! $current_user->ID ) {
$user_id = new \WP_User( $user_id );
} else {
$user_id = $current_user;
}
if ( is_string( $user_id->roles ) ) {
$roles = array( $user_id->roles );
} elseif ( ! is_array( $user_id->roles ) || count( $user_id->roles ) <= 0 ) {
return;
} else {
$roles = $user_id->roles;
}
$rejected_roles = $this->_config->get_array( 'pgcache.reject.roles' );
if ( 'logged_out' === $action ) {
foreach ( $rejected_roles as $role ) {
$role_hash = md5( NONCE_KEY . $role );
setcookie(
'w3tc_logged_' . $role_hash,
$expire,
time() - 31536000,
COOKIEPATH,
COOKIE_DOMAIN
);
}
return;
}
if ( 'logged_in' !== $action ) {
return;
}
foreach ( $roles as $role ) {
if ( in_array( $role, $rejected_roles, true ) ) {
$role_hash = md5( NONCE_KEY . $role );
setcookie(
'w3tc_logged_' . $role_hash,
true,
$expire,
COOKIEPATH,
COOKIE_DOMAIN,
is_ssl(),
true
);
}
}
}
function popup_script() {
if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) {
return;
}
?>
<script type="text/javascript">
function w3tc_popupadmin_bar(url) {
return window.open(url, '', 'width=800,height=600,status=no,toolbar=no,menubar=no,scrollbars=yes');
}
</script>
<?php
}
private function is_debugging() {
$debug = $this->_config->get_boolean( 'pgcache.enabled' ) && $this->_config->get_boolean( 'pgcache.debug' );
$debug = $debug || ( $this->_config->get_boolean( 'dbcache.enabled' ) && $this->_config->get_boolean( 'dbcache.debug' ) );
$debug = $debug || ( $this->_config->getf_boolean( 'objectcache.enabled' ) && $this->_config->get_boolean( 'objectcache.debug' ) );
$debug = $debug || ( $this->_config->get_boolean( 'browsercache.enabled' ) && $this->_config->get_boolean( 'browsercache.debug' ) );
$debug = $debug || ( $this->_config->get_boolean( 'minify.enabled' ) && $this->_config->get_boolean( 'minify.debug' ) );
$debug = $debug || ( $this->_config->get_boolean( 'cdn.enabled' ) && $this->_config->get_boolean( 'cdn.debug' ) );
return $debug;
}
public function pro_dev_mode() {
echo '<!-- W3 Total Cache is currently running in Pro version Development mode. --><div style="border:2px solid red;text-align:center;font-size:1.2em;color:red"><p><strong>W3 Total Cache is currently running in Pro version Development mode.</strong></p></div>';
}
/**
* Reset the l10n global variables for our text domain.
*
* @return void
*
* @since 2.2.8
*/
public function reset_l10n() {
global $l10n;
unset( $l10n['w3-total-cache'] );
}
}