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<?php
/**
* Critical CSS base file (initializes all ccss files).
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class autoptimizeCriticalCSSBase {
/**
* Main plugin filepath.
* Used for activation/deactivation/uninstall hooks.
*
* @var string
*/
protected $filepath = null;
public function __construct()
{
// define constant, but only once.
if ( ! defined( 'AO_CCSS_DIR' ) ) {
// Define a constant with the directory to store critical CSS in.
if ( is_multisite() ) {
$blog_id = get_current_blog_id();
define( 'AO_CCSS_DIR', WP_CONTENT_DIR . '/uploads/ao_ccss/' . $blog_id . '/' );
} else {
define( 'AO_CCSS_DIR', WP_CONTENT_DIR . '/uploads/ao_ccss/' );
}
}
if ( ! defined( 'AO_CCSS_VER' ) ) {
// Define plugin version.
define( 'AO_CCSS_VER', 'AO_' . AUTOPTIMIZE_PLUGIN_VERSION );
// Define constants for criticalcss.com base path and API endpoints.
// fixme: AO_CCSS_URL should be read from the autoptimize availability json stored as option.
define( 'AO_CCSS_URL', 'https://criticalcss.com' );
define( 'AO_CCSS_API', AO_CCSS_URL . '/api/premium/' );
define( 'AO_CCSS_SLEEP', 10 );
}
// Define support files locations, in case they are not already defined.
if ( ! defined( 'AO_CCSS_LOCK' ) ) {
define( 'AO_CCSS_LOCK', AO_CCSS_DIR . 'queue.lock' );
}
if ( ! defined( 'AO_CCSS_LOG' ) ) {
define( 'AO_CCSS_LOG', AO_CCSS_DIR . 'queuelog.html' );
}
if ( ! defined( 'AO_CCSS_DEBUG' ) ) {
define( 'AO_CCSS_DEBUG', AO_CCSS_DIR . 'queue.json' );
}
$this->filepath = __FILE__;
$this->setup();
$this->load_requires();
}
public function setup()
{
// get all options.
$all_options = $this->fetch_options();
foreach ( $all_options as $option => $value ) {
${$option} = $value;
}
// make sure the 10 minutes cron schedule is added.
add_filter( 'cron_schedules', array( $this, 'ao_ccss_interval' ) );
// check if we need to upgrade.
$this->check_upgrade();
// make sure ao_ccss_queue is scheduled OK if an API key is set.
if ( isset( $ao_ccss_key ) && ! empty( $ao_ccss_key ) && ! wp_next_scheduled( 'ao_ccss_queue' ) ) {
wp_schedule_event( time(), apply_filters( 'ao_ccss_queue_schedule', 'ao_ccss' ), 'ao_ccss_queue' );
}
}
public function load_requires() {
// Required libs, core is always needed.
$criticalcss_core = new autoptimizeCriticalCSSCore();
if ( defined( 'WP_CLI' ) || defined( 'DOING_CRON' ) || is_admin() ) {
// TODO: also include if overridden somehow to force queue processing to be executed?
$criticalcss_cron = new autoptimizeCriticalCSSCron();
}
if ( is_admin() ) {
$criticalcss_settings = new autoptimizeCriticalCSSSettings();
} else {
// enqueuing only done when not wp-admin.
$criticalcss_enqueue = new autoptimizeCriticalCSSEnqueue();
}
}
public static function fetch_options() {
static $autoptimize_ccss_options = null;
if ( null === $autoptimize_ccss_options ) {
// not cached yet, fetching from WordPress options.
$autoptimize_ccss_options['ao_css_defer'] = autoptimizeOptionWrapper::get_option( 'autoptimize_css_defer' );
$autoptimize_ccss_options['ao_css_defer_inline'] = autoptimizeOptionWrapper::get_option( 'autoptimize_css_defer_inline' );
$autoptimize_ccss_options['ao_ccss_rules_raw'] = get_option( 'autoptimize_ccss_rules', false );
$autoptimize_ccss_options['ao_ccss_additional'] = get_option( 'autoptimize_ccss_additional' );
$autoptimize_ccss_options['ao_ccss_queue_raw'] = get_option( 'autoptimize_ccss_queue', false );
$autoptimize_ccss_options['ao_ccss_viewport'] = get_option( 'autoptimize_ccss_viewport', false );
$autoptimize_ccss_options['ao_ccss_finclude'] = get_option( 'autoptimize_ccss_finclude', false );
$autoptimize_ccss_options['ao_ccss_rtimelimit'] = get_option( 'autoptimize_ccss_rtimelimit', '30' );
$autoptimize_ccss_options['ao_ccss_noptimize'] = get_option( 'autoptimize_ccss_noptimize', false );
$autoptimize_ccss_options['ao_ccss_debug'] = get_option( 'autoptimize_ccss_debug', false );
$autoptimize_ccss_options['ao_ccss_key'] = get_option( 'autoptimize_ccss_key' );
$autoptimize_ccss_options['ao_ccss_keyst'] = get_option( 'autoptimize_ccss_keyst' );
$autoptimize_ccss_options['ao_ccss_loggedin'] = get_option( 'autoptimize_ccss_loggedin', '1' );
$autoptimize_ccss_options['ao_ccss_forcepath'] = get_option( 'autoptimize_ccss_forcepath', '1' );
$autoptimize_ccss_options['ao_ccss_servicestatus'] = get_option( 'autoptimize_service_availablity' );
$autoptimize_ccss_options['ao_ccss_deferjquery'] = get_option( 'autoptimize_ccss_deferjquery', false );
$autoptimize_ccss_options['ao_ccss_domain'] = get_option( 'autoptimize_ccss_domain' );
$autoptimize_ccss_options['ao_ccss_unloadccss'] = get_option( 'autoptimize_ccss_unloadccss', false );
if ( strpos( $autoptimize_ccss_options['ao_ccss_domain'], 'http' ) === false && strpos( $autoptimize_ccss_options['ao_ccss_domain'], 'uggc' ) === 0 ) {
$autoptimize_ccss_options['ao_ccss_domain'] = str_rot13( $autoptimize_ccss_options['ao_ccss_domain'] );
} elseif ( strpos( $autoptimize_ccss_options['ao_ccss_domain'], 'http' ) !== false ) {
// not rot13'ed yet, do so now (goal; avoid migration plugins change the bound domain).
update_option( 'autoptimize_ccss_domain', str_rot13( $autoptimize_ccss_options['ao_ccss_domain'] ) );
}
// Setup the rules array.
if ( empty( $autoptimize_ccss_options['ao_ccss_rules_raw'] ) ) {
$autoptimize_ccss_options['ao_ccss_rules']['paths'] = array();
$autoptimize_ccss_options['ao_ccss_rules']['types'] = array();
} else {
$autoptimize_ccss_options['ao_ccss_rules'] = json_decode( $autoptimize_ccss_options['ao_ccss_rules_raw'], true );
}
// Setup the queue array.
if ( empty( $autoptimize_ccss_options['ao_ccss_queue_raw'] ) ) {
$autoptimize_ccss_options['ao_ccss_queue'] = array();
} else {
$autoptimize_ccss_options['ao_ccss_queue'] = json_decode( $autoptimize_ccss_options['ao_ccss_queue_raw'], true );
}
// Override API key if constant is defined.
if ( defined( 'AUTOPTIMIZE_CRITICALCSS_API_KEY' ) ) {
$autoptimize_ccss_options['ao_ccss_key'] = AUTOPTIMIZE_CRITICALCSS_API_KEY;
}
}
return $autoptimize_ccss_options;
}
public function on_upgrade() {
global $ao_ccss_key;
// Create the cache directory if it doesn't exist already.
if ( ! file_exists( AO_CCSS_DIR ) ) {
mkdir( AO_CCSS_DIR, 0755, true );
}
// Create a scheduled event for the queue.
if ( isset( $ao_ccss_key ) && ! empty( $ao_ccss_key ) && ! wp_next_scheduled( 'ao_ccss_queue' ) ) {
wp_schedule_event( time(), apply_filters( 'ao_ccss_queue_schedule', 'ao_ccss' ), 'ao_ccss_queue' );
}
// Create a scheduled event for log maintenance.
if ( isset( $ao_ccss_key ) && ! empty( $ao_ccss_key ) && ! wp_next_scheduled( 'ao_ccss_maintenance' ) ) {
wp_schedule_event( time(), 'twicedaily', 'ao_ccss_maintenance' );
}
}
public function check_upgrade() {
$db_version = get_option( 'autoptimize_ccss_version', '' );
if ( AO_CCSS_VER !== $db_version ) {
// check schedules & re-schedule if needed.
$this->on_upgrade();
// and update db_version.
update_option( 'autoptimize_ccss_version', AO_CCSS_VER );
}
}
public function ao_ccss_interval( $schedules ) {
// Let interval be configurable.
if ( ! defined( 'AO_CCSS_DEBUG_INTERVAL' ) ) {
$intsec = 600;
} else {
$intsec = AO_CCSS_DEBUG_INTERVAL;
if ( $intsec >= 120 ) {
$inttxt = $intsec / 60 . ' minutes';
} else {
$inttxt = $intsec . ' second(s)';
}
autoptimizeCriticalCSSCore::ao_ccss_log( 'Using custom WP-Cron interval of ' . $inttxt, 3 );
}
// Attach interval to schedule.
$schedules['ao_ccss'] = array(
'interval' => $intsec,
'display' => __( 'Autoptimize CriticalCSS' ),
);
return $schedules;
}
}
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