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ðŸ“ ..
ðŸ“ abstracts
ðŸ“ admin
ðŸ“„ body-props-settings.php(8.18 KB)
ðŸ“„ class-kkart-ajax.php(125.64 KB)
ðŸ“„ class-kkart-api.php(4.97 KB)
ðŸ“„ class-kkart-auth.php(11.66 KB)
ðŸ“„ class-kkart-autoloader.php(2.78 KB)
ðŸ“„ class-kkart-background-emailer.php(4.59 KB)
ðŸ“„ class-kkart-background-updater.php(3.5 KB)
ðŸ“„ class-kkart-breadcrumb.php(9.46 KB)
ðŸ“„ class-kkart-cache-helper.php(10.71 KB)
ðŸ“„ class-kkart-cart-fees.php(3.42 KB)
ðŸ“„ class-kkart-cart-session.php(14.46 KB)
ðŸ“„ class-kkart-cart-totals.php(27.72 KB)
ðŸ“„ class-kkart-cart.php(63.24 KB)
ðŸ“„ class-kkart-checkout.php(44.58 KB)
ðŸ“„ class-kkart-cli.php(1.02 KB)
ðŸ“„ class-kkart-comments.php(12.99 KB)
ðŸ“„ class-kkart-countries.php(42.21 KB)
ðŸ“„ class-kkart-coupon.php(32.57 KB)
ðŸ“„ class-kkart-customer-download-log.php(3.38 KB)
ðŸ“„ class-kkart-customer-download.php(10.36 KB)
ðŸ“„ class-kkart-customer.php(27.24 KB)
ðŸ“„ class-kkart-data-exception.php(1.28 KB)
ðŸ“„ class-kkart-data-store.php(5.88 KB)
ðŸ“„ class-kkart-datetime.php(2.2 KB)
ðŸ“„ class-kkart-deprecated-action-hooks.php(6.54 KB)
ðŸ“„ class-kkart-deprecated-filter-hooks.php(6.26 KB)
ðŸ“„ class-kkart-discounts.php(30.96 KB)
ðŸ“„ class-kkart-download-handler.php(23.37 KB)
ðŸ“„ class-kkart-emails.php(22.17 KB)
ðŸ“„ class-kkart-embed.php(4.18 KB)
ðŸ“„ class-kkart-form-handler.php(43.73 KB)
ðŸ“„ class-kkart-frontend-scripts.php(26 KB)
ðŸ“„ class-kkart-geo-ip.php(30.43 KB)
ðŸ“„ class-kkart-geolite-integration.php(1.99 KB)
ðŸ“„ class-kkart-geolocation.php(10.34 KB)
ðŸ“„ class-kkart-https.php(4.29 KB)
ðŸ“„ class-kkart-install.php(53.84 KB)
ðŸ“„ class-kkart-integrations.php(1.29 KB)
ðŸ“„ class-kkart-log-levels.php(2.54 KB)
ðŸ“„ class-kkart-logger.php(8.21 KB)
ðŸ“„ class-kkart-meta-data.php(2.18 KB)
ðŸ“„ class-kkart-order-factory.php(3.14 KB)
ðŸ“„ class-kkart-order-item-coupon.php(4.02 KB)
ðŸ“„ class-kkart-order-item-fee.php(8.7 KB)
ðŸ“„ class-kkart-order-item-meta.php(5.8 KB)
ðŸ“„ class-kkart-order-item-product.php(13.05 KB)
ðŸ“„ class-kkart-order-item-shipping.php(7.75 KB)
ðŸ“„ class-kkart-order-item-tax.php(6.44 KB)
ðŸ“„ class-kkart-order-item.php(10.69 KB)
ðŸ“„ class-kkart-order-query.php(2.52 KB)
ðŸ“„ class-kkart-order-refund.php(4.89 KB)
ðŸ“„ class-kkart-order.php(61.03 KB)
ðŸ“„ class-kkart-payment-gateways.php(5.24 KB)
ðŸ“„ class-kkart-payment-tokens.php(5.91 KB)
ðŸ“„ class-kkart-post-data.php(17.81 KB)
ðŸ“„ class-kkart-post-types.php(26.49 KB)
ðŸ“„ class-kkart-privacy-background-process.php(1.69 KB)
ðŸ“„ class-kkart-privacy-erasers.php(13.28 KB)
ðŸ“„ class-kkart-privacy-exporters.php(14.12 KB)
ðŸ“„ class-kkart-privacy.php(14.86 KB)
ðŸ“„ class-kkart-product-attribute.php(6.89 KB)
ðŸ“„ class-kkart-product-download.php(6.01 KB)
ðŸ“„ class-kkart-product-external.php(4.77 KB)
ðŸ“„ class-kkart-product-factory.php(3.6 KB)
ðŸ“„ class-kkart-product-grouped.php(5.19 KB)
ðŸ“„ class-kkart-product-query.php(2.17 KB)
ðŸ“„ class-kkart-product-simple.php(1.85 KB)
ðŸ“„ class-kkart-product-variable.php(21.47 KB)
ðŸ“„ class-kkart-product-variation.php(17.2 KB)
ðŸ“„ class-kkart-query.php(30.4 KB)
ðŸ“„ class-kkart-rate-limiter.php(2.08 KB)
ðŸ“„ class-kkart-regenerate-images-request.php(8.17 KB)
ðŸ“„ class-kkart-regenerate-images.php(15.24 KB)
ðŸ“„ class-kkart-register-wp-admin-settings.php(4.87 KB)
ðŸ“„ class-kkart-rest-authentication.php(19.35 KB)
ðŸ“„ class-kkart-rest-exception.php(273 B)
ðŸ“„ class-kkart-session-handler.php(10.57 KB)
ðŸ“„ class-kkart-shipping-rate.php(5.26 KB)
ðŸ“„ class-kkart-shipping-zone.php(13.09 KB)
ðŸ“„ class-kkart-shipping-zones.php(4.07 KB)
ðŸ“„ class-kkart-shipping.php(11.33 KB)
ðŸ“„ class-kkart-shortcodes.php(17.21 KB)
ðŸ“„ class-kkart-structured-data.php(17.2 KB)
ðŸ“„ class-kkart-tax.php(35.84 KB)
ðŸ“„ class-kkart-template-loader.php(18.44 KB)
ðŸ“„ class-kkart-tracker.php(22.51 KB)
ðŸ“„ class-kkart-validation.php(5.83 KB)
ðŸ“„ class-kkart-webhook.php(29.85 KB)
ðŸ“„ class-kkart.php(32.69 KB)
ðŸ“ cli
ðŸ“ customizer
ðŸ“ data-stores
ðŸ“ emails
ðŸ“ export
ðŸ“ gateways
ðŸ“ import
ðŸ“ integrations
ðŸ“ interfaces
ðŸ“„ kkart-account-functions.php(12.69 KB)
ðŸ“„ kkart-attribute-functions.php(20.59 KB)
ðŸ“„ kkart-cart-functions.php(17.27 KB)
ðŸ“„ kkart-conditional-functions.php(11.8 KB)
ðŸ“„ kkart-core-functions.php(78.19 KB)
ðŸ“„ kkart-coupon-functions.php(2.65 KB)
ðŸ“„ kkart-formatting-functions.php(41.61 KB)
ðŸ“„ kkart-notice-functions.php(7.44 KB)
ðŸ“„ kkart-order-functions.php(33.53 KB)
ðŸ“„ kkart-order-item-functions.php(5.06 KB)
ðŸ“„ kkart-page-functions.php(6.92 KB)
ðŸ“„ kkart-product-functions.php(47.3 KB)
ðŸ“„ kkart-rest-functions.php(10.62 KB)
ðŸ“„ kkart-stock-functions.php(12.45 KB)
ðŸ“„ kkart-template-functions.php(164.55 KB)
ðŸ“„ kkart-template-hooks.php(11.06 KB)
ðŸ“„ kkart-term-functions.php(19.45 KB)
ðŸ“„ kkart-update-functions.php(64.88 KB)
ðŸ“„ kkart-user-functions.php(26.58 KB)
ðŸ“„ kkart-webhook-functions.php(5.58 KB)
ðŸ“„ kkart-widget-functions.php(2.08 KB)
ðŸ“ legacy
ðŸ“ libraries
ðŸ“ log-handlers
ðŸ“ payment-tokens
ðŸ“„ premium.php(943 B)
ðŸ“„ premium_functions.php(957 B)
ðŸ“ queue
ðŸ“ rest-api
ðŸ“ shipping
ðŸ“„ shortcode_functions.php(70.73 KB)
ðŸ“ shortcodes
ðŸ“„ shortcodes.php(265.74 KB)
ðŸ“„ template.php(2.85 KB)
ðŸ“ theme-support
ðŸ“ tracks
ðŸ“ traits
ðŸ“ walkers
ðŸ“ wccom-site
ðŸ“ widgets

Editing: 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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Editing: class-kkart-auth.php

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