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<?php |
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/** |
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* Cloudflare Extension |
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* |
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* @package PoweredCache\Extensions |
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*/ |
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|
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namespace PoweredCache\Extensions\Cloudflare; |
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|
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/** |
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* Class Cloudflare |
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*/ |
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class Cloudflare { |
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|
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/** |
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* CF API Class |
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* |
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* @var $cf_api |
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*/ |
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private $cf_api; |
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|
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/** |
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* Plugin settings |
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* |
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* @var $settings |
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*/ |
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private $settings; |
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|
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/** |
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* Placeholder constructor |
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*/ |
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public function __construct() { |
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} |
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|
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|
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/** |
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* Return an instance of the current class, create one if it doesn't exist |
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* |
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* @return object |
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* @since 1.0 |
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*/ |
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public static function factory() { |
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|
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static $instance; |
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|
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if ( ! $instance ) { |
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$instance = new self(); |
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$instance->setup(); |
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} |
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|
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return $instance; |
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} |
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|
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/** |
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* Setup hooks |
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*/ |
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public function setup() { |
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$this->settings = \PoweredCache\Utils\get_settings(); |
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$this->cf_api = API::factory( $this->settings['cloudflare_email'], $this->settings['cloudflare_api_key'] ); |
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|
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// Fixes Flexible SSL |
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if ( isset( $_SERVER['HTTP_X_FORWARDED_PROTO'] ) && 'https' === $_SERVER['HTTP_X_FORWARDED_PROTO'] ) { |
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$_SERVER['HTTPS'] = 'on'; |
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} |
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|
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// real user ip |
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if ( isset( $_SERVER['HTTP_CF_CONNECTING_IP'] ) ) { |
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$_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_CF_CONNECTING_IP']; |
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} |
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|
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add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ) ); |
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add_action( 'powered_cache_flushed', [ $this, 'delete_cloudflare_cache_on_flush' ] ); |
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add_action( 'admin_post_powered_cache_purge_cf_cache', [ $this, 'delete_cloudflare_cache' ] ); |
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|
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} |
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|
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/** |
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* Add admin bar CF flush menu |
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* |
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* @param Object $wp_admin_bar admin bar object |
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*/ |
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public function admin_bar_menu( $wp_admin_bar ) { |
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$wp_admin_bar->add_menu( |
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array( |
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'id' => 'cf-purge-cache', |
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'title' => esc_html__( 'Purge Cloudflare Cache', 'powered-cache' ), |
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'href' => wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_cf_cache' ), 'powered_cache_purge_cf_cache' ), |
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'parent' => 'powered-cache', |
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) |
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); |
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} |
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|
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/** |
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* Delete CF cache when deleting all cache |
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*/ |
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public function delete_cloudflare_cache_on_flush() { |
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$this->cf_api->purge( $this->settings['zone'] ); |
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} |
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|
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/** |
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* Delete CF cache when it triggered from admin menu |
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*/ |
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public function delete_cloudflare_cache() { |
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if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'powered_cache_purge_cf_cache' ) ) { |
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wp_nonce_ays( '' ); |
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} |
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|
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if ( $this->cf_api->purge( $this->settings['zone'] ) ) { |
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$redirect_url = add_query_arg( 'pc_action', 'flush_cf_cache', wp_get_referer() ); |
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wp_safe_redirect( $redirect_url ); |
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exit; |
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} |
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$redirect_url = add_query_arg( 'pc_action', 'flush_cf_cache_failed', wp_get_referer() ); |
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wp_safe_redirect( $redirect_url ); |
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exit; |
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} |
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|
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} |
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|