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<?php |
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/** |
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* Admin Ajax |
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* |
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* @package SimpleCalendar\Admin |
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*/ |
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namespace SimpleCalendar\Admin; |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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/** |
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* Admin ajax. |
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* |
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* @since 3.0.0 |
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*/ |
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class Ajax { |
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/** |
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* Set up ajax hooks. |
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* |
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* @since 3.0.0 |
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*/ |
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public function __construct() { |
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// Set an option if the user rated the plugin. |
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add_action( 'wp_ajax_simcal_rated', array( $this, 'rate_plugin' ) ); |
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// Set an option if the user rated the plugin. |
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add_action( 'wp_ajax_simcal_clear_cache', array( $this, 'clear_cache' ) ); |
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// Convert a datetime format. |
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add_action( 'wp_ajax_simcal_date_i18n_input_preview', array( $this, 'date_i18n' ) ); |
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// Manage an add-on license activation or deactivation. |
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add_action( 'wp_ajax_simcal_manage_add_on_license', array( $this, 'manage_add_on_license' ) ); |
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// Reset add-ons licenses. |
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add_action( 'wp_ajax_simcal_reset_add_ons_licenses', array( $this, 'reset_licenses' ) ); |
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} |
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/** |
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* Clear transients. |
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* |
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* @since 3.0.0 |
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*/ |
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public function clear_cache() { |
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$id = isset( $_POST['id'] ) ? ( is_array( $_POST['id'] ) ? array_map( 'intval', $_POST['id'] ) : intval( $_POST['id'] ) ) : ''; |
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if ( ! empty( $id ) ) { |
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simcal_delete_feed_transients( $id ); |
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} |
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} |
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/** |
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* Ajax callback when a user clicks on the rate plugin link. |
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* |
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* @since 3.0.0 |
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*/ |
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public function rate_plugin() { |
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update_option( 'simple-calendar_admin_footer_text_rated', date( 'Y-m-d', time() ) ); |
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} |
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/** |
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* Ajax callback to return a formatted datetime string. |
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* |
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* @since 3.0.0 |
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*/ |
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public function date_i18n() { |
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$value = isset( $_POST['value'] ) ? esc_attr( $_POST['value'] ) : ' '; |
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$timestamp = isset( $_POST['timestamp'] ) ? absint( $_POST['timestamp'] ) : time(); |
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wp_send_json_success( date_i18n( $value, $timestamp ) ); |
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} |
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/** |
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* Activate add-on license. |
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* |
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* This code is run only when an add-on requiring a license is installed and active. |
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* |
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* @since 3.0.0 |
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*/ |
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public function manage_add_on_license() { |
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$addon = isset( $_POST['add_on'] ) ? sanitize_key( $_POST['add_on'] ) : false; |
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$action = isset( $_POST['license_action'] ) ? esc_attr( $_POST['license_action'] ) : false; |
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$key = isset( $_POST['license_key'] ) ? esc_attr( $_POST['license_key'] ) : ''; |
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$nonce = isset( $_POST['nonce'] ) ? esc_attr( $_POST['nonce'] ) : ''; |
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// Verify that there are valid variables to process. |
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if ( false === $addon || ! in_array( $action, array( 'activate_license', 'deactivate_license' ) ) ) { |
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wp_send_json_error( __( 'Add-on unspecified or invalid action.', 'google-calendar-events' ) ); |
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} |
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// Verify this request comes from the add-ons licenses activation settings page. |
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if ( ! wp_verify_nonce( $nonce, 'simcal_license_manager' ) ) { |
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wp_send_json_error( sprintf( __( 'An error occurred: %s', 'google-calendar-events' ), 'Nonce verification failed.' ) ); |
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} |
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// Removes the prefix and converts simcal_{id_no} to {id_no}. |
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$id = intval( substr( $addon, 7 ) ); |
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// Data to send in API request. |
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$api_request = array( |
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'edd_action' => $action, |
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'license' => $key, |
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'item_id' => urlencode( $id ), |
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'url' => home_url() |
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); |
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// Call the custom API. |
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$response = wp_remote_post( |
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defined( 'SIMPLE_CALENDAR_STORE_URL' ) ? SIMPLE_CALENDAR_STORE_URL : simcal_get_url( 'home' ), |
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array( |
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'timeout' => 15, |
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'sslverify' => false, |
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'body' => $api_request |
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) |
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); |
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// Update license in db. |
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$keys = get_option( 'simple-calendar_settings_licenses', array() ); |
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$keys['keys'][ $addon ] = $key; |
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update_option( 'simple-calendar_settings_licenses', $keys ); |
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// Make sure there is a response. |
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if ( is_wp_error( $response ) ) { |
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wp_send_json_error( sprintf( __( 'There was an error processing your request: %s', 'google-calendar-events' ), $response->get_error_message() ) ); |
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} |
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// Decode the license data and save. |
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$license_data = json_decode( wp_remote_retrieve_body( $response ) ); |
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$status = simcal_get_license_status(); |
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if ( ! empty( $license_data ) ) { |
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if ('deactivated' == $license_data->license) { |
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unset($status[$addon]); |
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update_option('simple-calendar_licenses_status', $status); |
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wp_send_json_success($license_data->license); |
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} elseif (in_array($license_data->license, array('valid', 'invalid'))) { |
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$status[$addon] = $license_data->license; |
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update_option('simple-calendar_licenses_status', $status); |
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$message = 'valid' == $license_data->license ? 'valid' : __('License key is invalid.', 'google-calendar-events'); |
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wp_send_json_success($message); |
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} else { |
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wp_send_json_error( '' ); |
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} |
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} else { |
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wp_send_json_error( __( 'An error has occurred, please try again.', 'google-calendar-events' ) ); |
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} |
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} |
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/** |
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* Reset licenses. |
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* |
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* @since 3.0.0 |
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*/ |
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public function reset_licenses() { |
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$nonce = isset( $_POST['nonce'] ) ? esc_attr( $_POST['nonce'] ) : ''; |
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// Verify this request comes from the add-ons licenses activation settings page. |
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if ( empty ( $nonce ) || ! wp_verify_nonce( $nonce, 'simcal_license_manager' ) ) { |
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wp_send_json_error( sprintf( __( 'An error occurred: %s', 'google-calendar-events' ), 'Nonce verification failed.' ) ); |
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} |
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delete_option( 'simple-calendar_settings_licenses' ); |
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delete_option( 'simple-calendar_licenses_status' ); |
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wp_send_json_success( 'success' ); |
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} |
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} |
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Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: