AlkantarClanX12
Current Path : /home/thanudqk/public_html/wp-content/plugins/tablepress/controllers/ |
Current File : //home/thanudqk/public_html/wp-content/plugins/tablepress/controllers/controller-admin_ajax.php |
<?php /** * Admin AJAX Controller for TablePress with functionality for the AJAX backend * * @package TablePress * @subpackage Controllers * @author Tobias Bäthge * @since 1.0.0 */ // Prohibit direct script loading. defined( 'ABSPATH' ) || die( 'No direct script access allowed!' ); /** * Admin AJAX Controller class, extends Base Controller Class * * @package TablePress * @subpackage Controllers * @author Tobias Bäthge * @since 1.0.0 */ class TablePress_Admin_AJAX_Controller extends TablePress_Controller { /** * Initiates the Admin AJAX functionality. * * @since 1.0.0 */ public function __construct() { // Buffer all outputs, to prevent errors/warnings being printed that make the JSON invalid. ob_start(); parent::__construct(); $ajax_actions = array( 'hide_message', 'save_table', 'preview_table', 'save_screen_options' ); foreach ( $ajax_actions as $action ) { add_action( "wp_ajax_tablepress_{$action}", array( $this, "ajax_action_{$action}" ) ); } } /** * Hides a header message on an admin screen. * * @since 1.0.0 */ public function ajax_action_hide_message(): void { if ( empty( $_GET['item'] ) ) { wp_die( '0' ); } $message_item = $_GET['item']; TablePress::check_nonce( 'hide_message', $message_item, '_wpnonce', true ); if ( ! current_user_can( 'tablepress_list_tables' ) ) { wp_die( '-1' ); } TablePress::$model_options->update( "message_{$message_item}", false ); wp_die( '1' ); } /** * Saves the table after the "Save Changes" button on the "Edit" screen has been clicked. * * @since 1.0.0 */ public function ajax_action_save_table(): void { if ( empty( $_POST['tablepress']['id'] ) ) { wp_die( '-1' ); } $edit_table = wp_unslash( $_POST['tablepress'] ); // Check if the submitted nonce matches the generated nonce we created earlier, dies -1 on failure. TablePress::check_nonce( 'edit', $edit_table['id'], '_ajax_nonce', true ); // Ignore the request if the current user doesn't have sufficient permissions. if ( ! current_user_can( 'tablepress_edit_table', $edit_table['id'] ) ) { wp_die( '-1' ); } // Default response data. $success = false; $message = 'error_save'; $error_details = ''; do { // To be able to "break;" (allows for better readable code). // Load table, without table data, but with options and visibility settings. $existing_table = TablePress::$model_table->load( $edit_table['id'], false, true ); if ( is_wp_error( $existing_table ) ) { $error = new WP_Error( 'ajax_save_table_load', '', $edit_table['id'] ); $error->merge_from( $existing_table ); $error_details = TablePress::get_wp_error_string( $error ); break; } // Check and convert all data that was transmitted as valid JSON. $keys = array( 'data', 'options', 'visibility' ); foreach ( $keys as $key ) { if ( empty( $edit_table[ $key ] ) ) { $error = new WP_Error( "ajax_save_table_{$key}_empty", '', $edit_table['id'] ); $error_details = TablePress::get_wp_error_string( $error ); break 2; } $edit_table[ $key ] = json_decode( $edit_table[ $key ], true ); if ( is_null( $edit_table[ $key ] ) ) { $error = new WP_Error( "ajax_save_table_{$key}_invalid_json", '', $edit_table['id'] ); $error_details = TablePress::get_wp_error_string( $error ); break 2; } $edit_table[ $key ] = (array) $edit_table[ $key ]; // Cast to array again, to catch strings, etc. } // Check consistency of new table, and then merge with existing table. $table = TablePress::$model_table->prepare_table( $existing_table, $edit_table, true ); if ( is_wp_error( $table ) ) { $error = new WP_Error( 'ajax_save_table_prepare', '', $edit_table['id'] ); $error->merge_from( $table ); $error_details = TablePress::get_wp_error_string( $error ); break; } // DataTables Custom Commands can only be edited by trusted users. if ( ! current_user_can( 'unfiltered_html' ) ) { $table['options']['datatables_custom_commands'] = $existing_table['options']['datatables_custom_commands']; } // Save updated table. $saved = TablePress::$model_table->save( $table ); if ( is_wp_error( $saved ) ) { $error = new WP_Error( 'ajax_save_table_save', '', $table['id'] ); $error->merge_from( $saved ); $error_details = TablePress::get_wp_error_string( $error ); break; } // At this point, the table was saved successfully, possible ID change remains. $success = true; $message = 'success_save'; // Check if ID change is desired. if ( $table['id'] === $table['new_id'] ) { // If not, we are done. break; } // Change table ID. if ( current_user_can( 'tablepress_edit_table_id', $table['id'] ) ) { $id_changed = TablePress::$model_table->change_table_id( $table['id'], $table['new_id'] ); if ( ! is_wp_error( $id_changed ) ) { $message = 'success_save_success_id_change'; $table['id'] = $table['new_id']; } else { $message = 'success_save_error_id_change'; $error = new WP_Error( 'ajax_save_table_id_change', '', $table['new_id'] ); $error->merge_from( $id_changed ); $error_details = TablePress::get_wp_error_string( $error ); } } else { $message = 'success_save_error_id_change'; $error_details = 'table_id_could_not_be_changed: capability_check_failed'; } // @phpstan-ignore doWhile.alwaysFalse } while ( false ); // Do-while-loop through this exactly once, to be able to "break;" early. // Generate the response. // Common data for all responses. $response = array( 'success' => $success, 'message' => $message, ); if ( $success ) { // For the phpstan ignores in the next lines: If this is reached, $table is guaranteed to exist and is a valid array. $response['table_id'] = $table['id']; // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $response['new_edit_nonce'] = wp_create_nonce( TablePress::nonce( 'edit', $table['id'] ) ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $response['new_preview_nonce'] = wp_create_nonce( TablePress::nonce( 'preview_table', $table['id'] ) ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $response['new_copy_nonce'] = wp_create_nonce( TablePress::nonce( 'copy_table', $table['id'] ) ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $response['new_delete_nonce'] = wp_create_nonce( TablePress::nonce( 'delete_table', $table['id'] ) ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $response['last_modified'] = TablePress::format_datetime( $table['last_modified'] ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $response['last_editor'] = TablePress::get_user_display_name( $table['options']['last_editor'] ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined } if ( ! empty( $error_details ) ) { $response['error_details'] = esc_html( $error_details ); } // Buffer all outputs, to prevent errors/warnings being printed that make the JSON invalid. $output_buffer = ob_get_clean(); if ( ! empty( $output_buffer ) ) { $response['output_buffer'] = $output_buffer; } // Send the response. wp_send_json( $response ); } /** * Returns the live preview data of table that has non-saved changes. * * @since 1.0.0 */ public function ajax_action_preview_table(): void { if ( empty( $_POST['tablepress']['id'] ) ) { wp_die( '-1' ); } $preview_table = wp_unslash( $_POST['tablepress'] ); // Check if the submitted nonce matches the generated nonce we created earlier, dies -1 on failure. TablePress::check_nonce( 'preview_table', $preview_table['id'], '_ajax_nonce', true ); // Ignore the request if the current user doesn't have sufficient permissions. if ( ! current_user_can( 'tablepress_preview_table', $preview_table['id'] ) ) { wp_die( '-1' ); } // Default response data. $success = false; do { // To be able to "break;" (allows for better readable code). // Load table, without table data, but with options and visibility settings. $existing_table = TablePress::$model_table->load( $preview_table['id'], false, true ); if ( is_wp_error( $existing_table ) ) { break; } // Check and convert all data that was transmitted as valid JSON. $keys = array( 'data', 'options', 'visibility' ); foreach ( $keys as $key ) { if ( empty( $preview_table[ $key ] ) ) { break 2; } $preview_table[ $key ] = json_decode( $preview_table[ $key ], true ); if ( is_null( $preview_table[ $key ] ) ) { break 2; } $preview_table[ $key ] = (array) $preview_table[ $key ]; // Cast to array again, to catch strings, etc. } // Check consistency of new table, and then merge with existing table. $table = TablePress::$model_table->prepare_table( $existing_table, $preview_table, true ); if ( is_wp_error( $table ) ) { break; } // DataTables Custom Commands can only be edited by trusted users. if ( ! current_user_can( 'unfiltered_html' ) ) { $table['options']['datatables_custom_commands'] = $existing_table['options']['datatables_custom_commands']; } // If the ID has changed, and the new ID is valid, render with the new ID (important e.g. for CSS classes/HTML ID). if ( $table['id'] !== $table['new_id'] && 0 === preg_match( '/[^a-zA-Z0-9_-]/', $table['new_id'] ) ) { $table['id'] = $table['new_id']; } // Sanitize all table data to remove unsafe HTML from the preview output, if the user is not allowed to work with unfiltered HTML. if ( ! current_user_can( 'unfiltered_html' ) ) { $table = TablePress::$model_table->sanitize( $table ); } // At this point, the table data is valid and sanitized and can be rendered. $success = true; // @phpstan-ignore doWhile.alwaysFalse } while ( false ); // Do-while-loop through this exactly once, to be able to "break;" early. if ( $success ) { // Create a render class instance. $_render = TablePress::load_class( 'TablePress_Render', 'class-render.php', 'classes' ); // Merge desired options with default render options (see TablePress_Controller_Frontend::shortcode_table()). $default_render_options = $_render->get_default_render_options(); /** This filter is documented in controllers/controller-frontend.php */ $default_render_options = apply_filters( 'tablepress_shortcode_table_default_shortcode_atts', $default_render_options ); // For the phpstan ignores in the next lines: If this is reached, $table is guaranteed to exist and is a valid array. $render_options = shortcode_atts( $default_render_options, $table['options'] ); // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined /** This filter is documented in controllers/controller-frontend.php */ $render_options = apply_filters( 'tablepress_shortcode_table_shortcode_atts', $render_options ); $render_options['html_id'] = "tablepress-{$table['id']}"; // @phpstan-ignore offsetAccess.nonOffsetAccessible, variable.undefined $render_options['block_preview'] = true; $_render->set_input( $table, $render_options ); // @phpstan-ignore variable.undefined $head_html = $_render->get_preview_css(); $custom_css = TablePress::$model_options->get( 'custom_css' ); $use_custom_css = ( TablePress::$model_options->get( 'use_custom_css' ) && '' !== $custom_css ); if ( $use_custom_css ) { $head_html .= "<style>\n{$custom_css}\n</style>\n"; } $body_html = '<div id="tablepress-page"><p>' . __( 'This is a preview of your table.', 'tablepress' ) . ' ' . __( 'Because of CSS styling in your theme, the table might look different on your page!', 'tablepress' ) . ' ' . __( 'The Table Features for Site Visitors, like sorting, filtering, and pagination, are also not available in this preview!', 'tablepress' ) . '<br>'; // Show the instructions string depending on whether the Block Editor is used on the site or not. if ( TablePress::site_uses_block_editor() ) { $body_html .= sprintf( __( 'To insert a table into a post or page, add a “%1$s” block in the block editor and select the desired table.', 'tablepress' ), __( 'TablePress table', 'tablepress' ) ); } else { $body_html .= __( 'To insert a table into a post or page, paste its Shortcode at the desired place in the editor.', 'tablepress' ) . ' ' . __( 'Each table has a unique ID that needs to be adjusted in that Shortcode.', 'tablepress' ); } $body_html .= '</p>' . $_render->get_output( 'html' ) . '</div>'; } else { $head_html = ''; $body_html = __( 'The preview could not be loaded.', 'tablepress' ); } // Generate the response. $response = array( 'success' => $success, 'head_html' => $head_html, 'body_html' => $body_html, ); // Buffer all outputs, to prevent errors/warnings being printed that make the JSON invalid. $output_buffer = ob_get_clean(); if ( ! empty( $output_buffer ) ) { $response['output_buffer'] = $output_buffer; } // Send the response. wp_send_json( $response ); } /** * Saves the screen options on the "Edit" screen when they are changed. * * @since 2.1.0 */ public function ajax_action_save_screen_options(): void { // Check if the submitted nonce matches the generated nonce we created earlier, dies -1 on failure. TablePress::check_nonce( 'screen_options', false, '_ajax_nonce', true ); if ( empty( $_POST['tablepress'] ) ) { wp_die( '-1' ); } $screen_options = wp_unslash( $_POST['tablepress'] ); // Sanitize and limit values to a minimum and a maximum. $new_screen_options = array(); if ( isset( $screen_options['table_editor_column_width'] ) ) { $new_screen_options['table_editor_column_width'] = absint( $screen_options['table_editor_column_width'] ); $new_screen_options['table_editor_column_width'] = max( $new_screen_options['table_editor_column_width'], 30 ); // Minimum width: 30 pixels. $new_screen_options['table_editor_column_width'] = min( $new_screen_options['table_editor_column_width'], 9999 ); // Maximum width: 9999 pixels. } if ( isset( $screen_options['table_editor_line_clamp'] ) ) { $new_screen_options['table_editor_line_clamp'] = absint( $screen_options['table_editor_line_clamp'] ); $new_screen_options['table_editor_line_clamp'] = min( $new_screen_options['table_editor_line_clamp'], 999 ); // Maximum lines: 999. Minimum of 0 (for all lines) is ensured by absint(). } if ( empty( $new_screen_options ) ) { wp_die( '-1' ); } TablePress::$model_options->update( $new_screen_options ); // Generate the response. $response = array( 'success' => true, ); // Buffer all outputs, to prevent errors/warnings being printed that make the JSON invalid. $output_buffer = ob_get_clean(); if ( ! empty( $output_buffer ) ) { $response['output_buffer'] = $output_buffer; } // Send the response. wp_send_json( $response ); } } // class TablePress_Admin_AJAX_Controller