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files >> //var/softaculous/sitepad/editor/site-data/plugins/kkart-pro/includes/class-kkart-auth.php
<?php /** * Kkart Auth * * Handles kkart-auth endpoint requests. * * @package Kkart\RestApi * @since 2.4.0 */ defined( 'ABSPATH' ) || exit; /** * Auth class. */ class KKART_Auth { /** * Version. * * @var int */ const VERSION = 1; /** * Setup class. * * @since 2.4.0 */ public function __construct() { // Add query vars. add_filter( 'query_vars', array( $this, 'add_query_vars' ), 0 ); // Register auth endpoint. add_action( 'init', array( __CLASS__, 'add_endpoint' ), 0 ); // Handle auth requests. add_action( 'parse_request', array( $this, 'handle_auth_requests' ), 0 ); } /** * Add query vars. * * @since 2.4.0 * @param array $vars Query variables. * @return string[] */ public function add_query_vars( $vars ) { $vars[] = 'kkart-auth-version'; $vars[] = 'kkart-auth-route'; return $vars; } /** * Add auth endpoint. * * @since 2.4.0 */ public static function add_endpoint() { add_rewrite_rule( '^kkart-auth/v([1]{1})/(.*)?', 'index.php?kkart-auth-version=$matches[1]&kkart-auth-route=$matches[2]', 'top' ); } /** * Get scope name. * * @since 2.4.0 * @param string $scope Permission scope. * @return string */ protected function get_i18n_scope( $scope ) { $permissions = array( 'read' => __( 'Read', 'kkart' ), 'write' => __( 'Write', 'kkart' ), 'read_write' => __( 'Read/Write', 'kkart' ), ); return $permissions[ $scope ]; } /** * Return a list of permissions a scope allows. * * @since 2.4.0 * @param string $scope Permission scope. * @return array */ protected function get_permissions_in_scope( $scope ) { $permissions = array(); switch ( $scope ) { case 'read': $permissions[] = __( 'View coupons', 'kkart' ); $permissions[] = __( 'View customers', 'kkart' ); $permissions[] = __( 'View orders and sales reports', 'kkart' ); $permissions[] = __( 'View products', 'kkart' ); break; case 'write': $permissions[] = __( 'Create webhooks', 'kkart' ); $permissions[] = __( 'Create coupons', 'kkart' ); $permissions[] = __( 'Create customers', 'kkart' ); $permissions[] = __( 'Create orders', 'kkart' ); $permissions[] = __( 'Create products', 'kkart' ); break; case 'read_write': $permissions[] = __( 'Create webhooks', 'kkart' ); $permissions[] = __( 'View and manage coupons', 'kkart' ); $permissions[] = __( 'View and manage customers', 'kkart' ); $permissions[] = __( 'View and manage orders and sales reports', 'kkart' ); $permissions[] = __( 'View and manage products', 'kkart' ); break; } return apply_filters( 'kkart_api_permissions_in_scope', $permissions, $scope ); } /** * Build auth urls. * * @since 2.4.0 * @param array $data Data to build URL. * @param string $endpoint Endpoint. * @return string */ protected function build_url( $data, $endpoint ) { $url = kkart_get_endpoint_url( 'kkart-auth/v' . self::VERSION, $endpoint, home_url( '/' ) ); return add_query_arg( array( 'app_name' => kkart_clean( $data['app_name'] ), 'user_id' => kkart_clean( $data['user_id'] ), 'return_url' => rawurlencode( $this->get_formatted_url( $data['return_url'] ) ), 'callback_url' => rawurlencode( $this->get_formatted_url( $data['callback_url'] ) ), 'scope' => kkart_clean( $data['scope'] ), ), $url ); } /** * Decode and format a URL. * * @param string $url URL. * @return string */ protected function get_formatted_url( $url ) { $url = urldecode( $url ); if ( ! strstr( $url, '://' ) ) { $url = 'https://' . $url; } return $url; } /** * Make validation. * * @since 2.4.0 * @throws Exception When validate fails. */ protected function make_validation() { $data = array(); $params = array( 'app_name', 'user_id', 'return_url', 'callback_url', 'scope', ); foreach ( $params as $param ) { if ( empty( $_REQUEST[ $param ] ) ) { // WPCS: input var ok, CSRF ok. /* translators: %s: parameter */ throw new Exception( sprintf( __( 'Missing parameter %s', 'kkart' ), $param ) ); } $data[ $param ] = wp_unslash( $_REQUEST[ $param ] ); // WPCS: input var ok, CSRF ok, sanitization ok. } if ( ! in_array( $data['scope'], array( 'read', 'write', 'read_write' ), true ) ) { /* translators: %s: scope */ throw new Exception( sprintf( __( 'Invalid scope %s', 'kkart' ), kkart_clean( $data['scope'] ) ) ); } foreach ( array( 'return_url', 'callback_url' ) as $param ) { $param = $this->get_formatted_url( $data[ $param ] ); if ( false === filter_var( $param, FILTER_VALIDATE_URL ) ) { /* translators: %s: url */ throw new Exception( sprintf( __( 'The %s is not a valid URL', 'kkart' ), $param ) ); } } $callback_url = $this->get_formatted_url( $data['callback_url'] ); if ( 0 !== stripos( $callback_url, 'https://' ) ) { throw new Exception( __( 'The callback_url needs to be over SSL', 'kkart' ) ); } } /** * Create keys. * * @since 2.4.0 * * @param string $app_name App name. * @param string $app_user_id User ID. * @param string $scope Scope. * * @return array */ protected function create_keys( $app_name, $app_user_id, $scope ) { global $wpdb; $description = sprintf( /* translators: 1: app name 2: scope 3: date 4: time */ __( '%1$s - API %2$s (created on %3$s at %4$s).', 'kkart' ), kkart_clean( $app_name ), $this->get_i18n_scope( $scope ), date_i18n( kkart_date_format() ), date_i18n( kkart_time_format() ) ); $user = wp_get_current_user(); // Created API keys. $permissions = in_array( $scope, array( 'read', 'write', 'read_write' ), true ) ? sanitize_text_field( $scope ) : 'read'; $consumer_key = 'ck_' . kkart_rand_hash(); $consumer_secret = 'cs_' . kkart_rand_hash(); $wpdb->insert( $wpdb->prefix . 'kkart_api_keys', array( 'user_id' => $user->ID, 'description' => $description, 'permissions' => $permissions, 'consumer_key' => kkart_api_hash( $consumer_key ), 'consumer_secret' => $consumer_secret, 'truncated_key' => substr( $consumer_key, -7 ), ), array( '%d', '%s', '%s', '%s', '%s', '%s', ) ); return array( 'key_id' => $wpdb->insert_id, 'user_id' => $app_user_id, 'consumer_key' => $consumer_key, 'consumer_secret' => $consumer_secret, 'key_permissions' => $permissions, ); } /** * Post consumer data. * * @since 2.4.0 * * @throws Exception When validation fails. * @param array $consumer_data Consumer data. * @param string $url URL. * @return bool */ protected function post_consumer_data( $consumer_data, $url ) { $params = array( 'body' => wp_json_encode( $consumer_data ), 'timeout' => 60, 'headers' => array( 'Content-Type' => 'application/json;charset=' . get_bloginfo( 'charset' ), ), ); $response = wp_safe_remote_post( esc_url_raw( $url ), $params ); if ( is_wp_error( $response ) ) { throw new Exception( $response->get_error_message() ); } elseif ( 200 !== intval( $response['response']['code'] ) ) { throw new Exception( __( 'An error occurred in the request and at the time were unable to send the consumer data', 'kkart' ) ); } return true; } /** * Handle auth requests. * * @since 2.4.0 * @throws Exception When auth_endpoint validation fails. */ public function handle_auth_requests() { global $wp; if ( ! empty( $_GET['kkart-auth-version'] ) ) { // WPCS: input var ok, CSRF ok. $wp->query_vars['kkart-auth-version'] = kkart_clean( wp_unslash( $_GET['kkart-auth-version'] ) ); // WPCS: input var ok, CSRF ok. } if ( ! empty( $_GET['kkart-auth-route'] ) ) { // WPCS: input var ok, CSRF ok. $wp->query_vars['kkart-auth-route'] = kkart_clean( wp_unslash( $_GET['kkart-auth-route'] ) ); // WPCS: input var ok, CSRF ok. } // kkart-auth endpoint requests. if ( ! empty( $wp->query_vars['kkart-auth-version'] ) && ! empty( $wp->query_vars['kkart-auth-route'] ) ) { $this->auth_endpoint( $wp->query_vars['kkart-auth-route'] ); } } /** * Auth endpoint. * * @since 2.4.0 * @throws Exception When validation fails. * @param string $route Route. */ protected function auth_endpoint( $route ) { ob_start(); $consumer_data = array(); try { $route = strtolower( kkart_clean( $route ) ); $this->make_validation(); $data = wp_unslash( $_REQUEST ); // WPCS: input var ok, CSRF ok. // Login endpoint. if ( 'login' === $route && ! is_user_logged_in() ) { kkart_get_template( 'auth/form-login.php', array( 'app_name' => kkart_clean( $data['app_name'] ), 'return_url' => add_query_arg( array( 'success' => 0, 'user_id' => kkart_clean( $data['user_id'] ), ), $this->get_formatted_url( $data['return_url'] ) ), 'redirect_url' => $this->build_url( $data, 'authorize' ), ) ); exit; } elseif ( 'login' === $route && is_user_logged_in() ) { // Redirect with user is logged in. wp_redirect( esc_url_raw( $this->build_url( $data, 'authorize' ) ) ); exit; } elseif ( 'authorize' === $route && ! is_user_logged_in() ) { // Redirect with user is not logged in and trying to access the authorize endpoint. wp_redirect( esc_url_raw( $this->build_url( $data, 'login' ) ) ); exit; } elseif ( 'authorize' === $route && current_user_can( 'manage_kkart' ) ) { // Authorize endpoint. kkart_get_template( 'auth/form-grant-access.php', array( 'app_name' => kkart_clean( $data['app_name'] ), 'return_url' => add_query_arg( array( 'success' => 0, 'user_id' => kkart_clean( $data['user_id'] ), ), $this->get_formatted_url( $data['return_url'] ) ), 'scope' => $this->get_i18n_scope( kkart_clean( $data['scope'] ) ), 'permissions' => $this->get_permissions_in_scope( kkart_clean( $data['scope'] ) ), 'granted_url' => wp_nonce_url( $this->build_url( $data, 'access_granted' ), 'kkart_auth_grant_access', 'kkart_auth_nonce' ), 'logout_url' => wp_logout_url( $this->build_url( $data, 'login' ) ), 'user' => wp_get_current_user(), ) ); exit; } elseif ( 'access_granted' === $route && current_user_can( 'manage_kkart' ) ) { // Granted access endpoint. if ( ! isset( $_GET['kkart_auth_nonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_GET['kkart_auth_nonce'] ) ), 'kkart_auth_grant_access' ) ) { // WPCS: input var ok. throw new Exception( __( 'Invalid nonce verification', 'kkart' ) ); } $consumer_data = $this->create_keys( $data['app_name'], $data['user_id'], $data['scope'] ); $response = $this->post_consumer_data( $consumer_data, $this->get_formatted_url( $data['callback_url'] ) ); if ( $response ) { wp_redirect( esc_url_raw( add_query_arg( array( 'success' => 1, 'user_id' => kkart_clean( $data['user_id'] ), ), $this->get_formatted_url( $data['return_url'] ) ) ) ); exit; } } else { throw new Exception( __( 'You do not have permission to access this page', 'kkart' ) ); } } catch ( Exception $e ) { $this->maybe_delete_key( $consumer_data ); /* translators: %s: error message */ wp_die( sprintf( esc_html__( 'Error: %s.', 'kkart' ), esc_html( $e->getMessage() ) ), esc_html__( 'Access denied', 'kkart' ), array( 'response' => 401 ) ); } } /** * Maybe delete key. * * @since 2.4.0 * * @param array $key Key. */ private function maybe_delete_key( $key ) { global $wpdb; if ( isset( $key['key_id'] ) ) { $wpdb->delete( $wpdb->prefix . 'kkart_api_keys', array( 'key_id' => $key['key_id'] ), array( '%d' ) ); } } } new KKART_Auth();
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