sanitization = $sanitization; $this->optimization = $optimization; $this->context = $context; } /** * Initializes all hooks. * * @since 1.33.0 */ public function register(): void { add_filter( 'ez_buffered_final_content', [ $this, 'process_ez_buffered_final_content' ] ); } /** * Check whether the Ezoic integration is currently needed. * * @since 1.33.0 * * @return bool Whether Ezoic integration is currently needed. */ public static function is_needed(): bool { return \defined( 'EZOIC_INTEGRATION_VERSION' ); } /** * Optimizes and Sanitizes Ezoic's final prepared content. * * @since 1.33.0 * * @param string $content HTML document response collected by Ezoic Output Buffer. * @return string AMP document response. */ public function process_ez_buffered_final_content( string $content ): string { if ( $this->context->is_web_story() ) { // Enforce UTF-8 encoding as it is a requirement for AMP. if ( ! headers_sent() ) { header( 'Content-Type: text/html; charset=utf-8' ); } $dom = Document::fromHtml( $content ); if ( ! $dom instanceof Document ) { return $this->render_error_page( SanitizationException::from_document_parse_error() ); } $this->sanitization->sanitize_document( $dom ); $this->optimization->optimize_document( $dom ); return $dom->saveHTML(); } return $content; } /** * Render error page. * * @since 1.33.0 * * @param Throwable $throwable Exception or (as of PHP7) Error. * @return string Error page. */ private function render_error_page( Throwable $throwable ): string { return esc_html__( 'There was an error generating the web story, probably because of a server misconfiguration. Try contacting your hosting provider or open a new support request.', 'web-stories' ) . "\n" . "\n" . // translators: 1: error message. 2: location. sprintf( esc_html__( 'Error message: %1$s (%2$s)', 'web-stories' ), $throwable->getMessage(), $throwable->getFile() . ':' . $throwable->getLine() ); } }