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<?php |
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/** |
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* Runtime integration (Path 2): serves optimized pages via the ported SDK, |
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* using NATIVE WordPress calls for the bypass logic instead of the old |
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* plugin's helper-class web. |
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* |
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* Flow: |
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* advanced-cache.php → RL5_Runtime::process('ac') (very early, cache HIT serves here) |
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* plugins_loaded/init → RL5_Runtime::process('wp') (fallback + miss capture) |
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* shutdown → SDK captures origin HTML → optimizer → LONG cache |
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* |
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* The SDK (inc/RabbitLoader/SDK/*) is the caching engine and is unchanged. |
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* |
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* @package RabbitLoader |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class RL5_Runtime { |
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|
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/** @var \RabbitLoader\SDK\RabbitLoader|null */ |
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private static $sdk = null; |
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private static $skip_reason = ''; |
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private static $processed = false; |
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|
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/** |
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* Load the SDK classes (namespace RabbitLoader\SDK). |
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*/ |
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private static function load_sdk_files() { |
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$dir = RL5_DIR . 'inc/RabbitLoader/SDK/'; |
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require_once $dir . 'File.php'; |
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require_once $dir . 'Exc.php'; |
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require_once $dir . 'Util.php'; |
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require_once $dir . 'WordPress.php'; |
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require_once $dir . 'Cache.php'; |
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require_once $dir . 'API.php'; |
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require_once $dir . 'Request.php'; |
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require_once $dir . 'RabbitLoader.php'; |
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} |
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|
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/** |
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* Cache storage directory. Kept OUTSIDE the plugin so it survives updates. |
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* wp-content/cache/rabbitloader/<did>/ |
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*/ |
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public static function cache_dir() { |
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$base = defined( 'WP_CONTENT_DIR' ) ? WP_CONTENT_DIR : ( ABSPATH . 'wp-content' ); |
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$did = RL5_Settings::did(); |
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$did = $did ? $did : 'default'; |
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return rtrim( $base, '/\\' ) . '/cache/rabbitloader/' . $did; |
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} |
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|
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/** |
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* Build (or reuse) the SDK instance. |
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* @return \RabbitLoader\SDK\RabbitLoader|null |
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*/ |
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private static function sdk() { |
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if ( null !== self::$sdk ) { |
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return self::$sdk; |
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} |
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$token = RL5_Settings::api_token(); |
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if ( '' === $token ) { |
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return null; // not connected → no runtime |
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} |
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self::load_sdk_files(); |
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|
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self::$sdk = new \RabbitLoader\SDK\RabbitLoader( $token, self::cache_dir() ); |
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self::$sdk->setDebug( defined( 'WP_DEBUG' ) && WP_DEBUG ); |
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self::$sdk->setPlatform( array( |
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'plugin_cms' => 'wp', |
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'plugin_v' => RL5_VERSION, |
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'cms_v' => get_bloginfo( 'version' ), |
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) ); |
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return self::$sdk; |
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} |
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|
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/** |
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* Entry point. $mode = 'ac' (advanced-cache, very early) or 'wp' (hooked). |
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*/ |
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public static function process( $mode = 'wp' ) { |
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if ( self::$processed ) { |
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return; |
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} |
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|
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$sdk = self::sdk(); |
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if ( null === $sdk ) { |
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return; |
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} |
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|
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try { |
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\RabbitLoader\SDK\Util::sendHeader( 'x-rl-mode: ' . $mode, false ); |
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|
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// Ignore tracking params so they don't fragment the cache. |
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$sdk->ignoreParams( array( |
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'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', |
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'gclid', 'fbclid', 'msclkid', 'mc_cid', 'mc_eid', '_ga', 'ref', |
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) ); |
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|
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// ME mode (serve optimized only to the owner for testing). |
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if ( '1' === (string) RL5_Settings::get( 'private_mode_val', '' ) ) { |
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$sdk->setMeMode(); |
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} |
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|
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// Exclude-path patterns from settings (one per line). |
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$excludes_raw = (string) RL5_Settings::get( 'exclude_patterns', '' ); |
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if ( '' !== trim( $excludes_raw ) ) { |
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$sdk->skipForPaths( array_filter( array_map( 'trim', explode( "\n", $excludes_raw ) ) ) ); |
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} |
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|
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// Skip cache for cart/session cookies (native names). |
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$sdk->skipForCookies( self::bypass_cookies() ); |
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|
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// The bypass decision (native WP). If skipping, tell the SDK. |
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$reason = self::skip_reason( $mode ); |
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if ( '' !== $reason ) { |
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$sdk->ignoreRequest( $reason ); |
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} |
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|
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// When the SDK optimizes/purges a URL, also purge our CDN. |
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$sdk->registerPurgeCallback( function ( $url ) { |
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if ( class_exists( 'RL5_API' ) ) { |
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// Fire a targeted purge for the changed URL (best-effort). |
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try { |
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$api = new RL5_API(); |
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if ( method_exists( $api, 'purge_url' ) ) { |
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$api->purge_url( $url ); |
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} |
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} catch ( \Throwable $e ) { |
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// swallow — purge callback must never break page serving |
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} |
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} |
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} ); |
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|
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$sdk->process(); |
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self::$processed = true; |
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} catch ( \Throwable $e ) { |
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// Runtime must never fatal a page. |
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if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { |
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error_log( 'RL5 runtime: ' . $e->getMessage() ); |
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} |
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} |
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} |
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|
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/** |
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* Cookie names that mean "don't serve cache" (logged-in, Woo cart/session). |
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*/ |
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private static function bypass_cookies() { |
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$cookies = array( |
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'wordpress_logged_in_', // any logged-in user |
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'comment_author_', // commenters |
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'woocommerce_items_in_cart', // Woo cart not empty |
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'woocommerce_cart_hash', |
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'wp_woocommerce_session_', // Woo session |
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'edd_items_in_cart', // Easy Digital Downloads |
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); |
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return $cookies; |
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} |
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|
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/** |
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* Native-WP bypass logic. Mirrors old can_cache_request() exactly, but |
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* calls WordPress/Woo functions directly. Returns '' if cacheable, |
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* else a short skip reason string. |
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* |
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* NOTE: in 'ac' mode (advanced-cache, pre-WP) most conditional tags are |
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* unavailable — the SDK's own cookie/path checks + the HIT-only serve |
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* handle that safely. The full checks run in 'wp' mode (after init). |
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*/ |
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private static function skip_reason( $mode ) { |
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if ( '' !== self::$skip_reason ) { |
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return self::$skip_reason; |
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} |
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|
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// Method must be GET. |
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$method = isset( $_SERVER['REQUEST_METHOD'] ) ? strtoupper( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_METHOD'] ) ) ) : 'GET'; |
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if ( 'GET' !== $method ) { |
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return self::$skip_reason = 'method-' . strtolower( $method ); |
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} |
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|
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// No HTTP host / CLI. |
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if ( empty( $_SERVER['HTTP_HOST'] ) || ( defined( 'WP_CLI' ) && WP_CLI ) || php_sapi_name() === 'cli' ) { |
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return self::$skip_reason = 'cli'; |
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} |
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|
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// In 'ac' (pre-WordPress) we can't call conditional tags. The SDK |
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// only SERVES on a valid HIT and only for anonymous requests |
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// (cookie bypass already applied), so it's safe to proceed. |
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if ( 'ac' === $mode ) { |
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return ''; |
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} |
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|
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// ---- 'wp' mode: full WordPress checks (functions now available) ---- |
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|
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if ( function_exists( 'is_user_logged_in' ) && is_user_logged_in() ) { |
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return self::$skip_reason = 'user-session'; |
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} |
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|
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if ( ( function_exists( 'wp_doing_ajax' ) && wp_doing_ajax() ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) { |
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return self::$skip_reason = 'ajax'; |
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} |
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if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) { |
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return self::$skip_reason = 'rest'; |
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} |
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if ( defined( 'DOING_CRON' ) && DOING_CRON ) { |
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return self::$skip_reason = 'cron'; |
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} |
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|
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if ( function_exists( 'is_admin' ) && is_admin() ) { |
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return self::$skip_reason = 'admin'; |
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} |
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if ( function_exists( 'is_search' ) && is_search() ) { |
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return self::$skip_reason = 'search'; |
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} |
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if ( function_exists( 'is_404' ) && is_404() ) { |
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return self::$skip_reason = '404'; |
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} |
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if ( function_exists( 'is_feed' ) && is_feed() ) { |
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return self::$skip_reason = 'feed'; |
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} |
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if ( function_exists( 'is_preview' ) && is_preview() ) { |
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return self::$skip_reason = 'preview'; |
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} |
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|
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// WooCommerce cart/checkout/account pages. |
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if ( function_exists( 'is_cart' ) && is_cart() ) { |
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return self::$skip_reason = 'cart'; |
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} |
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if ( function_exists( 'is_checkout' ) && is_checkout() ) { |
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return self::$skip_reason = 'checkout'; |
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} |
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if ( function_exists( 'is_account_page' ) && is_account_page() ) { |
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return self::$skip_reason = 'account'; |
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} |
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// Woo cart with items (cookie is the fast signal; this is the WP-side check). |
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if ( function_exists( 'WC' ) && WC() && isset( WC()->cart ) && WC()->cart && ! WC()->cart->is_empty() ) { |
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return self::$skip_reason = 'cart-items'; |
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} |
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|
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return ''; |
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} |
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|
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/** |
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* Register WordPress hooks for the miss/capture path (called from plugin boot). |
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*/ |
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public static function hooks() { |
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if ( ! RL5_Settings::is_connected() ) { |
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return; |
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} |
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// Run the full-check process after WP is initialized (miss path capture). |
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add_action( 'template_redirect', array( __CLASS__, 'on_template_redirect' ), 0 ); |
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|
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// Avoid caching redirects. |
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add_filter( 'wp_redirect', array( __CLASS__, 'note_redirect' ), 10, 1 ); |
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} |
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|
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public static function on_template_redirect() { |
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self::process( 'wp' ); |
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} |
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|
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public static function note_redirect( $location ) { |
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self::$skip_reason = 'redirect'; |
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if ( self::$sdk ) { |
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self::$sdk->ignoreRequest( 'redirect' ); |
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} |
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return $location; |
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} |
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} |
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|