return. if ( ! $this->check_current_theme_supports_blocks() ) { return; } // Check if IUB short code exist in footer. if ( $this->check_iub_block_shortcode_exists_in_the_footer() ) { return; } $this->force_append_legal_block_in_footer(); } /** * Detach iubenda legal block from footer. */ public function detach_legal_block_from_footer() { // if current theme doesn't supports blocks -> return. if ( ! $this->check_current_theme_supports_blocks() ) { return; } // Check if IUB short code exist in footer. if ( $this->check_iub_block_shortcode_exists_in_the_footer() ) { $this->force_detach_legal_block_from_footer(); return; } } /** * Attach iubenda legal block in WP blocks area. */ public function attach_legal_block_into_block_area() { // Register IUB js block. wp_register_script( 'iubenda-block-editor', IUBENDA_PLUGIN_URL . '/assets/js/legal_block.js', array( 'wp-blocks', 'wp-block-editor' ), iubenda()->version, true ); register_block_type( static::IUB_LEGAL_BLOCK_NAME, array( 'api_version' => 3, 'editor_script' => 'iubenda-block-editor', ) ); // Send iub vars from backend to JS file. wp_localize_script( 'iubenda-block-editor', 'iubBlockParams', array( 'block_name' => 'iubenda/legal-block', 'iub_legal_block_shortcode' => static::IUB_LEGAL_BLOCK_SHORTCODE, 'iub_legal_block_short_title' => __( 'Legal', 'iubenda' ), ) ); } /** * Render iubenda legal block and apply filters. * * @return mixed */ public function render_iub_legal_block() { $html = ''; $html = apply_filters( 'before_iub_legal_block_section', $html ); $html .= '

' . $this->iub_legal_block_html( $html ) . '

'; $html = apply_filters( 'after_iub_legal_block_section', $html ); return $html; } /** * Check if the current theme support WP blocks or not. * * @return bool */ public function check_current_theme_supports_blocks() { // wp_is_block_theme @since WP 5.9.0. if ( ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) || current_theme_supports( 'wp-block-styles' ) ) { return true; } return false; } /** * Iubenda legal block html. * * @param string $html html-block. * * @return mixed|string */ public function iub_legal_block_html( $html ) { $quick_generator_service = new Quick_Generator_Service(); $pp_status = ( (string) iub_array_get( iubenda()->settings->services, 'pp.status' ) === 'true' ); $pp_position = ( (string) iub_array_get( iubenda()->options['pp'], 'button_position' ) === 'automatic' ); $tc_status = ( (string) iub_array_get( iubenda()->settings->services, 'tc.status' ) === 'true' ); $tc_position = ( (string) iub_array_get( iubenda()->options['tc'], 'button_position' ) === 'automatic' ); if ( $pp_status && $pp_position ) { $html .= $quick_generator_service->pp_button(); } if ( ( $pp_status && $pp_position ) && ( $tc_status && $tc_position ) ) { $html .= '
'; } if ( $tc_status && $tc_position ) { $html .= $quick_generator_service->tc_button(); } return $html; } /** * Get footer post from database. * * @return mixed|null */ private function get_footer_from_database() { // Default arguments. $args = array( 'post_type' => 'wp_template_part', 'post_status' => 'publish', 'tax_query' => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query array( 'taxonomy' => 'wp_theme', 'field' => 'slug', 'terms' => array( get_stylesheet() ), ), ), 'posts_per_page' => 1, 'no_found_rows' => true, ); // Search for footer in database. $args['name'] = 'footer'; // Run WP Query with new args. $footer_query = new WP_Query( $args ); $footer = $footer_query->have_posts() ? $footer_query->next_post() : null; // Footer exist in database. if ( $footer ) { return $footer; } // Search if it is inserted as a default footer in the database. $args['name'] = 'default-footer'; // Run WP Query with new args. $footer_query = new WP_Query( $args ); $footer = $footer_query->have_posts() ? $footer_query->next_post() : null; return $footer; } /** * Check if IUB short code exist in footer. * * @return bool */ private function check_iub_block_shortcode_exists_in_the_footer() { $footer = $this->get_footer_from_database(); if ( $footer && $this->check_iub_block_shortcode_exists_in_the_footer_content( $footer->post_content ) ) { return true; } return false; } /** * Force append IUB legal block in footer. */ private function force_append_legal_block_in_footer() { $footer = $this->get_footer_from_database(); if ( ! empty( $footer ) ) { $footer->post_content = $this->insert_iub_block_shortcode_into_footer( $footer->post_content ); $this->update_the_footer_into_database( $footer ); } /** * There is no footer stored in database then, Attach legal block * into WP_Block_Patterns as WP default footer and insert this footer into database. */ $this->change_pre_registered_default_footer_content( true ); } /** * Insert Legal block into WP content. * * @param string $footer_content footer-content. * * @return false|string */ private function insert_iub_block_shortcode_into_footer( $footer_content ) { if ( $this->check_iub_block_shortcode_exists_in_the_footer_content( $footer_content ) ) { return $footer_content; } // Ensure DOMDocument class exists. if ( can_use_dom_document_class() ) { return $this->insert_iub_block_shortcode_into_footer_by_dom( $footer_content ); } // Ensure Simple HTML dom exists. if ( ! function_exists( 'str_get_html' ) ) { if ( ! file_exists( IUBENDA_PLUGIN_PATH . 'iubenda-cookie-class/simple_html_dom.php' ) ) { return $footer_content; } require_once IUBENDA_PLUGIN_PATH . 'iubenda-cookie-class/simple_html_dom.php'; } return $this->insert_iub_block_shortcode_into_footer_by_simple_html_dom( $footer_content ); } /** * Remove Legal block from WP content. * * @param string $footer_content footer-content. * * @return false|string */ private function remove_iub_block_shortcode_from_footer( $footer_content ) { $start_of_iub_legal_block = ''; $end_of_iub_legal_block = ''; return $this->iub_delete_in_between( $start_of_iub_legal_block, $end_of_iub_legal_block, $footer_content ); } /** * Update the current footer. * * @param WP_Post|null $footer WP_Post|null. * * @return mixed */ private function update_the_footer_into_database( $footer ) { return wp_update_post( $footer ); } /** * Attach legal block into WP_Block_Patterns as WP default footer * if $insert_into_database is true insert default footer into database. * * @param bool $insert_into_database insert into database ?. * * @return void */ public function change_pre_registered_default_footer_content( $insert_into_database = false ) { $public_id = ( new Product_Helper() )->get_public_id_for_current_language(); // Return false if there is no public id for current language. if ( ! ( $public_id ) ) { return; } // Check for PP & TC service status and codes. if ( ! ( new Product_Helper() )->check_pp_tc_status_and_position() ) { return; } // Check if WP_Block_Patterns_Registry is exist. if ( ! class_exists( 'WP_Block_Patterns_Registry', false ) ) { return; } $block_registry = WP_Block_Patterns_Registry::get_instance(); $theme_stylesheet_name = (string) get_stylesheet(); // Iterate over all registered blocks to find the default footer block. foreach ( $block_registry->get_all_registered() as $block ) { $block_name = (string) iub_array_get( $block, 'name' ); if ( $theme_stylesheet_name . '/footer' === $block_name || strpos( $block_name, 'footer-default' ) !== false ) { // Unregister the default footer block. $block_registry->unregister( $block_name ); // Footer content. $footer_content = iub_array_get( $block, 'content' ); if ( empty( $footer_content ) ) { continue; } // Attach Iubenda legal block in footer content. $block['content'] = $this->insert_iub_block_shortcode_into_footer( $footer_content ); // Register footer after attached Iubenda legal block on it. $block_registry->register( $block_name, $block ); if ( $insert_into_database ) { // Insert the footer into database. $this->insert_default_footer_into_database( $block ); } } } } /** * Insert default footer into database. * * @param array $block Block. * * @return void */ private function insert_default_footer_into_database( $block ) { // Current active theme slug. $current_active_theme_slug = get_stylesheet(); // taxonomies. $taxonomies = array( 'wp_template_part_area' => 'footer', 'wp_theme' => $current_active_theme_slug, ); // New footer data. $footer = array( 'post_title' => 'Footer', 'post_content' => $block['content'], 'post_status' => 'publish', 'post_author' => 1, 'post_type' => 'wp_template_part', 'post_category' => array( 'footer' ), 'tax_input' => $taxonomies, ); // Insert the new footer into the database. wp_insert_post( $footer ); } /** * Force detach IUB legal block from footer. */ private function force_detach_legal_block_from_footer() { $footer = $this->get_footer_from_database(); if ( $footer ) { $footer->post_content = $this->remove_iub_block_shortcode_from_footer( $footer->post_content ); $this->update_the_footer_into_database( $footer ); } } /** * Remove specific string between $beginning and $end. * * @param string $beginning beginning. * @param string $end end. * @param string $target_string string. * * @return mixed */ private function iub_delete_in_between( $beginning, $end, $target_string ) { $beginning_pos = strpos( $target_string, $beginning ); $end_pos = strpos( $target_string, $end ); if ( false === $beginning_pos || false === $end_pos ) { return $target_string; } $text_to_delete = substr( $target_string, $beginning_pos, ( $end_pos + strlen( $end ) ) - $beginning_pos ); // recursion to ensure occurrences are removed. return $this->iub_delete_in_between( $beginning, $end, str_replace( $text_to_delete, '', $target_string ) ); } /** * Check IUB block shortcode exists in the footer content. * * @param string $footer_content footer-content. * * @return bool */ private function check_iub_block_shortcode_exists_in_the_footer_content( $footer_content ) { return strpos( $footer_content, '[iub-wp-block-buttons]' ) !== false; } /** * Insert Legal block into WP content by php DOMDocument. * * @param string $footer_content footer-content. * * @return false|string */ private function insert_iub_block_shortcode_into_footer_by_dom( string $footer_content ) { $dom = new DOMDocument(); $previous_value = libxml_use_internal_errors( true ); if ( function_exists( 'mb_encode_numericentity' ) ) { $footer_content = (string) mb_encode_numericentity( $footer_content, array( 0x80, 0x10FFFF, 0, ~0 ), 'UTF-8' ); } $dom->loadHTML( $footer_content, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD | LIBXML_SCHEMA_CREATE ); libxml_clear_errors(); $target_div = $dom->getElementsByTagName( 'div' )->item( 1 ); if ( ! $target_div ) { return $footer_content; } // insert End of Iubenda legal block before start. $template = $dom->createDocumentFragment(); $template->appendXML( ' ' ); // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase $target_div->insertBefore( $template, $target_div->firstChild ); // Create container div with class 'wp-block-iubenda-legal-block'. $div = $dom->createElement( 'div' ); $div->setAttribute( 'class', 'wp-block-iubenda-legal-block' ); // Append the block title. $div->appendChild( $dom->createElement( 'p', __( 'Legal', 'iubenda' ) ) ); // Append the block content. $div->appendChild( $dom->createElement( 'p', '[iub-wp-block-buttons]' ) ); // Insert the block into the footer. // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase $target_div->insertBefore( $div, $target_div->firstChild ); // Append Start of Iubenda legal block. $template = $dom->createDocumentFragment(); $template->appendXML( ' ' ); // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase $target_div->insertBefore( $template, $target_div->firstChild ); libxml_use_internal_errors( $previous_value ); return $dom->saveHTML(); } /** * Insert Legal block into WP content by simple html dom. * * @param string $footer_content footer-content. * * @return false|string */ private function insert_iub_block_shortcode_into_footer_by_simple_html_dom( string $footer_content ) { if ( ! function_exists( 'str_get_html' ) ) { return false; } $html = str_get_html( $footer_content, true, true, false ); if ( is_object( $html ) ) { $target_div = $html->getElementsByTagName( 'div', 1 ); if ( ! $target_div ) { return $footer_content; } // Create div container with class 'wp-block-iubenda-legal-block' and add legal block shortcode into it. $div = ' '; $div .= "

" . esc_html__( 'Legal', 'iubenda' ) . '

[iub-wp-block-buttons]

'; $div .= ' '; $target_div->innertext = $div . $target_div->innertext; return $html->save(); } return $footer_content; } }