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<?php
/**
 * WooCommerce Auth
 *
 * Handles wc-auth endpoint requests.
 *
 * @package WooCommerce\RestApi
 * @since   2.4.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * Auth class.
 */
class WC_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[] = 'wc-auth-version';
		$vars[] = 'wc-auth-route';
		return $vars;
	}

/**
	 * Add auth endpoint.
	 *
	 * @since 2.4.0
	 */
	public static function add_endpoint() {
		add_rewrite_rule( '^wc-auth/v([1]{1})/(.*)?', 'index.php?wc-auth-version=$matches[1]&wc-auth-route=$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', 'woocommerce' ),
			'write'      => __( 'Write', 'woocommerce' ),
			'read_write' => __( 'Read/Write', 'woocommerce' ),
		);

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', 'woocommerce' );
				$permissions[] = __( 'View customers', 'woocommerce' );
				$permissions[] = __( 'View orders and sales reports', 'woocommerce' );
				$permissions[] = __( 'View products', 'woocommerce' );
				break;
			case 'write':
				$permissions[] = __( 'Create webhooks', 'woocommerce' );
				$permissions[] = __( 'Create coupons', 'woocommerce' );
				$permissions[] = __( 'Create customers', 'woocommerce' );
				$permissions[] = __( 'Create orders', 'woocommerce' );
				$permissions[] = __( 'Create products', 'woocommerce' );
				break;
			case 'read_write':
				$permissions[] = __( 'Create webhooks', 'woocommerce' );
				$permissions[] = __( 'View and manage coupons', 'woocommerce' );
				$permissions[] = __( 'View and manage customers', 'woocommerce' );
				$permissions[] = __( 'View and manage orders and sales reports', 'woocommerce' );
				$permissions[] = __( 'View and manage products', 'woocommerce' );
				break;
		}
		return apply_filters( 'woocommerce_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 = wc_get_endpoint_url( 'wc-auth/v' . self::VERSION, $endpoint, home_url( '/' ) );

return add_query_arg(
			array(
				'app_name'     => wc_clean( $data['app_name'] ),
				'user_id'      => wc_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'        => wc_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', 'woocommerce' ), $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', 'woocommerce' ), wc_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', 'woocommerce' ), $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', 'woocommerce' ) );
		}
	}

/**
	 * 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(
			'%s - API (%s)',
			wc_trim_string( wc_clean( $app_name ), 170 ),
			gmdate( 'Y-m-d H:i:s' )
		);
		$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_' . wc_rand_hash();
		$consumer_secret = 'cs_' . wc_rand_hash();

$wpdb->insert(
			$wpdb->prefix . 'woocommerce_api_keys',
			array(
				'user_id'         => $user->ID,
				'description'     => $description,
				'permissions'     => $permissions,
				'consumer_key'    => wc_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', 'woocommerce' ) );
		}

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['wc-auth-version'] ) ) { // WPCS: input var ok, CSRF ok.
			$wp->query_vars['wc-auth-version'] = wc_clean( wp_unslash( $_GET['wc-auth-version'] ) ); // WPCS: input var ok, CSRF ok.
		}

if ( ! empty( $_GET['wc-auth-route'] ) ) { // WPCS: input var ok, CSRF ok.
			$wp->query_vars['wc-auth-route'] = wc_clean( wp_unslash( $_GET['wc-auth-route'] ) ); // WPCS: input var ok, CSRF ok.
		}

// wc-auth endpoint requests.
		if ( ! empty( $wp->query_vars['wc-auth-version'] ) && ! empty( $wp->query_vars['wc-auth-route'] ) ) {
			$this->auth_endpoint( $wp->query_vars['wc-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( wc_clean( $route ) );
			$this->make_validation();

$data = wp_unslash( $_REQUEST ); // WPCS: input var ok, CSRF ok.

// Login endpoint.
			if ( 'login' === $route && ! is_user_logged_in() ) {
				wc_get_template(
					'auth/form-login.php',
					array(
						'app_name'     => wc_clean( $data['app_name'] ),
						'return_url'   => add_query_arg(
							array(
								'success' => 0,
								'user_id' => wc_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_woocommerce' ) ) {
				// Authorize endpoint.
				wc_get_template(
					'auth/form-grant-access.php',
					array(
						'app_name'    => wc_clean( $data['app_name'] ),
						'return_url'  => add_query_arg(
							array(
								'success' => 0,
								'user_id' => wc_clean( $data['user_id'] ),
							),
							$this->get_formatted_url( $data['return_url'] )
						),
						'scope'       => $this->get_i18n_scope( wc_clean( $data['scope'] ) ),
						'permissions' => $this->get_permissions_in_scope( wc_clean( $data['scope'] ) ),
						'granted_url' => wp_nonce_url( $this->build_url( $data, 'access_granted' ), 'wc_auth_grant_access', 'wc_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_woocommerce' ) ) {
				// Granted access endpoint.
				if ( ! isset( $_GET['wc_auth_nonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_GET['wc_auth_nonce'] ) ), 'wc_auth_grant_access' ) ) { // WPCS: input var ok.
					throw new Exception( __( 'Invalid nonce verification', 'woocommerce' ) );
				}

$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' => wc_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', 'woocommerce' ) );
			}
		} catch ( Exception $e ) {
			$this->maybe_delete_key( $consumer_data );

/* translators: %s: error message */
			wp_die( sprintf( esc_html__( 'Error: %s.', 'woocommerce' ), esc_html( $e->getMessage() ) ), esc_html__( 'Access denied', 'woocommerce' ), 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 . 'woocommerce_api_keys', array( 'key_id' => $key['key_id'] ), array( '%d' ) );
		}
	}
}
new WC_Auth();

Nama File / Folder	Size	Action
abstracts	--	NONE
admin	--	NONE
blocks	--	NONE
cli	--	NONE
customizer	--	NONE
data-stores	--	NONE
emails	--	NONE
export	--	NONE
gateways	--	NONE
import	--	NONE
integrations	--	NONE
interfaces	--	NONE
legacy	--	NONE
libraries	--	NONE
log-handlers	--	NONE
payment-tokens	--	NONE
queue	--	NONE
rest-api	--	NONE
shipping	--	NONE
shortcodes	--	NONE
theme-support	--	NONE
tracks	--	NONE
traits	--	NONE
walkers	--	NONE
wccom-site	--	NONE
widgets	--	NONE
.htaccess	0.231KB	Edit File Delete File Rename
class-wc-ajax.php	99.764KB	Edit File Delete File Rename
class-wc-api.php	4.985KB	Edit File Delete File Rename
class-wc-auth.php	11.604KB	Edit File Delete File Rename
class-wc-autoloader.php	2.744KB	Edit File Delete File Rename
class-wc-background-emailer.php	4.575KB	Edit File Delete File Rename
class-wc-background-updater.php	3.452KB	Edit File Delete File Rename
class-wc-breadcrumb.php	9.494KB	Edit File Delete File Rename
class-wc-cache-helper.php	11.78KB	Edit File Delete File Rename
class-wc-cart-fees.php	3.41KB	Edit File Delete File Rename
class-wc-cart-session.php	14.68KB	Edit File Delete File Rename
class-wc-cart-totals.php	28.147KB	Edit File Delete File Rename
class-wc-cart.php	64.961KB	Edit File Delete File Rename
class-wc-checkout.php	44.024KB	Edit File Delete File Rename
class-wc-cli.php	1.162KB	Edit File Delete File Rename
class-wc-comments.php	15.516KB	Edit File Delete File Rename
class-wc-countries.php	46.066KB	Edit File Delete File Rename
class-wc-customer-download.php	10.451KB	Edit File Delete File Rename
class-wc-customer.php	28.912KB	Edit File Delete File Rename
class-wc-data-exception.php	1.29KB	Edit File Delete File Rename
class-wc-data-store.php	5.849KB	Edit File Delete File Rename
class-wc-datetime.php	2.198KB	Edit File Delete File Rename
class-wc-deprecated-action-hooks.php	6.877KB	Edit File Delete File Rename
class-wc-deprecated-filter-hooks.php	6.825KB	Edit File Delete File Rename
class-wc-discounts.php	32.659KB	Edit File Delete File Rename
class-wc-download-handler.php	24.096KB	Edit File Delete File Rename
class-wc-emails.php	22.477KB	Edit File Delete File Rename
class-wc-embed.php	4.184KB	Edit File Delete File Rename
class-wc-form-handler.php	43.979KB	Edit File Delete File Rename
class-wc-frontend-scripts.php	25.909KB	Edit File Delete File Rename
class-wc-geo-ip.php	30.411KB	Edit File Delete File Rename
class-wc-geolite-integration.php	1.988KB	Edit File Delete File Rename
class-wc-geolocation.php	10.34KB	Edit File Delete File Rename
class-wc-https.php	4.326KB	Edit File Delete File Rename
class-wc-install.php	62.248KB	Edit File Delete File Rename
class-wc-integrations.php	1.277KB	Edit File Delete File Rename
class-wc-log-levels.php	2.539KB	Edit File Delete File Rename
class-wc-logger.php	8.765KB	Edit File Delete File Rename
class-wc-meta-data.php	2.182KB	Edit File Delete File Rename
class-wc-order-factory.php	3.119KB	Edit File Delete File Rename
class-wc-order-item-fee.php	8.762KB	Edit File Delete File Rename
class-wc-order-item-meta.php	5.803KB	Edit File Delete File Rename
class-wc-order-item-product.php	13.138KB	Edit File Delete File Rename
class-wc-order-item-shipping.php	7.782KB	Edit File Delete File Rename
class-wc-order-item-tax.php	6.488KB	Edit File Delete File Rename
class-wc-order-item.php	10.777KB	Edit File Delete File Rename
class-wc-order-query.php	2.554KB	Edit File Delete File Rename
class-wc-order-refund.php	4.883KB	Edit File Delete File Rename
class-wc-order.php	61.705KB	Edit File Delete File Rename
class-wc-payment-gateways.php	5.415KB	Edit File Delete File Rename
class-wc-payment-tokens.php	5.902KB	Edit File Delete File Rename
class-wc-post-data.php	20.254KB	Edit File Delete File Rename
class-wc-post-types.php	28.112KB	Edit File Delete File Rename
class-wc-privacy-background-process.php	1.667KB	Edit File Delete File Rename
class-wc-privacy-erasers.php	13.607KB	Edit File Delete File Rename
class-wc-privacy.php	15.523KB	Edit File Delete File Rename
class-wc-product-attribute.php	6.97KB	Edit File Delete File Rename
class-wc-product-download.php	7.162KB	Edit File Delete File Rename
class-wc-product-external.php	4.839KB	Edit File Delete File Rename
class-wc-product-factory.php	3.582KB	Edit File Delete File Rename
class-wc-product-grouped.php	5.224KB	Edit File Delete File Rename
class-wc-product-query.php	2.179KB	Edit File Delete File Rename
class-wc-product-simple.php	1.893KB	Edit File Delete File Rename
class-wc-product-variable.php	21.506KB	Edit File Delete File Rename
class-wc-product-variation.php	16.866KB	Edit File Delete File Rename
class-wc-query.php	31.603KB	Edit File Delete File Rename
class-wc-rate-limiter.php	4.004KB	Edit File Delete File Rename
class-wc-regenerate-images-request.php	8.214KB	Edit File Delete File Rename
class-wc-regenerate-images.php	15.286KB	Edit File Delete File Rename
class-wc-register-wp-admin-settings.php	5.05KB	Edit File Delete File Rename
class-wc-rest-authentication.php	19.52KB	Edit File Delete File Rename
class-wc-rest-exception.php	0.27KB	Edit File Delete File Rename
class-wc-session-handler.php	11.687KB	Edit File Delete File Rename
class-wc-shipping-zone.php	13.078KB	Edit File Delete File Rename
class-wc-shipping-zones.php	4.01KB	Edit File Delete File Rename
class-wc-shipping.php	11.568KB	Edit File Delete File Rename
class-wc-shortcodes.php	17.234KB	Edit File Delete File Rename
class-wc-structured-data.php	17.317KB	Edit File Delete File Rename
class-wc-tax.php	37.001KB	Edit File Delete File Rename
class-wc-template-loader.php	20.384KB	Edit File Delete File Rename
class-wc-tracker.php	23.326KB	Edit File Delete File Rename
class-wc-validation.php	5.835KB	Edit File Delete File Rename
class-wc-webhook.php	29.971KB	Edit File Delete File Rename
class-woocommerce.php	34.281KB	Edit File Delete File Rename
wc-account-functions.php	12.916KB	Edit File Delete File Rename
wc-attribute-functions.php	20.615KB	Edit File Delete File Rename
wc-cart-functions.php	17.156KB	Edit File Delete File Rename
wc-conditional-functions.php	12.48KB	Edit File Delete File Rename
wc-core-functions.php	78.146KB	Edit File Delete File Rename
wc-coupon-functions.php	2.677KB	Edit File Delete File Rename
wc-deprecated-functions.php	32.7KB	Edit File Delete File Rename
wc-formatting-functions.php	42.954KB	Edit File Delete File Rename
wc-notice-functions.php	7.497KB	Edit File Delete File Rename
wc-order-functions.php	34.074KB	Edit File Delete File Rename
wc-order-item-functions.php	5.032KB	Edit File Delete File Rename
wc-page-functions.php	6.921KB	Edit File Delete File Rename
wc-product-functions.php	48.124KB	Edit File Delete File Rename
wc-rest-functions.php	10.886KB	Edit File Delete File Rename
wc-stock-functions.php	13.215KB	Edit File Delete File Rename
wc-template-functions.php	115.067KB	Edit File Delete File Rename
wc-template-hooks.php	12.384KB	Edit File Delete File Rename
wc-term-functions.php	20.618KB	Edit File Delete File Rename
wc-update-functions.php	68.065KB	Edit File Delete File Rename
wc-user-functions.php	26.604KB	Edit File Delete File Rename
wc-webhook-functions.php	5.597KB	Edit File Delete File Rename
wc-widget-functions.php	2.015KB	Edit File Delete File Rename