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<?php
namespace Automattic\WooCommerce\Internal\Utilities;
use Automattic\WooCommerce\Proxies\LegacyProxy;
use WP_Error, WP_User;
/**
* Helper functions for working with users.
*/
class Users {
/**
* Indicates if the user qualifies as site administrator.
*
* In the context of multisite networks, this means that they must have the `manage_sites`
* capability. In all other cases, they must have the `manage_options` capability.
*
* @param int $user_id Optional, used to specify a specific user (otherwise we look at the current user).
*
* @return bool
*/
public static function is_site_administrator( int $user_id = 0 ): bool {
$user = 0 === $user_id ? wp_get_current_user() : get_user_by( 'id', $user_id );
if ( false === $user ) {
return false;
}
return is_multisite() ? $user->has_cap( 'manage_sites' ) : $user->has_cap( 'manage_options' );
}
/**
* Get a user from a valid user ID, but only if the active user is able to see them.
*
* In a multisite context, that may mean that they both must be members of the current blog, or else the active
* user must either have special permissions (manage_network_users) or else a special legacy mode
* (woocommerce_network_wide_customers) is enabled.
*
* @param int $user_id The ID of the desired user.
* @param int|null $requesting_user_id The ID of the user making the request. Optional, defaults to the current user.
*
* @return WP_User|WP_Error
*/
public static function get_user_in_current_site( $user_id, ?int $requesting_user_id = null ) {
// User ID is expected to be an integer. Cast it if we can (avoiding additional runtime warnings), else treat it as 0.
$user_id = is_numeric( $user_id ) ? (int) $user_id : 0;
$legacy_proxy = wc_get_container()->get( LegacyProxy::class );
$requesting_user_id = $requesting_user_id > 0 ? $requesting_user_id : wp_get_current_user()->ID;
$error = new WP_Error( 'wc_user_invalid_id', __( 'Invalid user ID.', 'woocommerce' ) );
if ( $user_id <= 0 ) {
return $error;
}
$user = get_userdata( $user_id );
if ( ! $user instanceof WP_User || ! $user->exists() ) {
return $error;
}
if (
$legacy_proxy->call_function( 'is_multisite' )
&& ! $legacy_proxy->call_function( 'is_user_member_of_blog', $user->ID )
&& ! $legacy_proxy->call_function( 'user_can', $requesting_user_id, 'manage_network_users' )
&& get_site_option( 'woocommerce_network_wide_customers', 'no' ) !== 'yes'
) {
return $error;
}
return $user;
}
/**
* Check if the email is valid.
*
* @param int $order_id Order ID.
* @param string $supplied_email Supplied email.
* @param string $context Context in which we are checking the email.
* @return bool
*/
public static function should_user_verify_order_email( $order_id, $supplied_email = null, $context = 'view' ) {
$order = wc_get_order( $order_id );
$billing_email = $order->get_billing_email();
$customer_id = $order->get_customer_id();
// If we do not have a billing email for the order (could happen in the order is created manually, or if the
// requirement for this has been removed from the checkout flow), email verification does not make sense.
if ( empty( $billing_email ) ) {
return false;
}
// No verification step is needed if the user is logged in and is already associated with the order.
if ( $customer_id && get_current_user_id() === $customer_id ) {
return false;
}
/**
* Controls the grace period within which we do not require any sort of email verification step before rendering
* the 'order received' or 'order pay' pages.
*
* To eliminate the grace period, set to zero (or to a negative value). Note that this filter is not invoked
* at all if email verification is deemed to be unnecessary (in other words, it cannot be used to force
* verification in *all* cases).
*
* @since 8.0.0
*
* @param int $grace_period Time in seconds after an order is placed before email verification may be required.
* @param WC_Order $this The order for which this grace period is being assessed.
* @param string $context Indicates the context in which we might verify the email address. Typically 'order-pay' or 'order-received'.
*/
$verification_grace_period = (int) apply_filters( 'woocommerce_order_email_verification_grace_period', 10 * MINUTE_IN_SECONDS, $order, $context );
$date_created = $order->get_date_created();
// We do not need to verify the email address if we are within the grace period immediately following order creation.
if (
is_a( $date_created, \WC_DateTime::class, true )
&& time() - $date_created->getTimestamp() <= $verification_grace_period
) {
return false;
}
$session = wc()->session;
$session_email = '';
if ( is_a( $session, \WC_Session::class ) ) {
$customer = $session->get( 'customer' );
$session_email = is_array( $customer ) && isset( $customer['email'] ) ? $customer['email'] : '';
}
// Email verification is required if the user cannot be identified, or if they supplied an email address but the nonce check failed.
$can_view_orders = current_user_can( 'read_private_shop_orders' );
$session_email_match = ! empty( $session_email ) && 0 === strcasecmp( $session_email, $billing_email );
$supplied_email_match = ! empty( $supplied_email ) && 0 === strcasecmp( $supplied_email, $billing_email );
$email_verification_required = ! $session_email_match && ! $supplied_email_match && ! $can_view_orders;
/**
* Provides an opportunity to override the (potential) requirement for shoppers to verify their email address
* before we show information such as the order summary, or order payment page.
*
* Note that this hook is not always triggered, therefore it is (for example) unsuitable as a way of forcing
* email verification across all order confirmation/order payment scenarios. Instead, the filter primarily
* exists as a way to *remove* the email verification step.
*
* @since 7.9.0
*
* @param bool $email_verification_required If email verification is required.
* @param WC_Order $order The relevant order.
* @param string $context The context under which we are performing this check.
*/
return (bool) apply_filters( 'woocommerce_order_email_verification_required', $email_verification_required, $order, $context );
}
/**
* Site-specific method of retrieving the requested user meta.
*
* This is a multisite-aware wrapper around WordPress's own `get_user_meta()` function, and works by prefixing the
* supplied meta key with a blog-specific meta key.
*
* @param int $user_id User ID.
* @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
* @param bool $single Optional. Whether to return a single value. This parameter has no effect if `$key` is not
* specified. Default true (WordPress's `get_user_meta()` defaults this to false).
*
* @return mixed An array of values if `$single` is false. The value of meta data field if `$single` is true.
* False for an invalid `$user_id` (non-numeric, zero, or negative value). An empty string if a valid
* but non-existing user ID is passed.
*/
public static function get_site_user_meta( int $user_id, string $key = '', bool $single = true ) {
global $wpdb;
$site_specific_key = $key . '_' . rtrim( $wpdb->get_blog_prefix( get_current_blog_id() ), '_' );
return get_user_meta( $user_id, $site_specific_key, $single );
}
/**
* Site-specific means of updating user meta.
*
* This is a multisite-aware wrapper around WordPress's own `update_user_meta()` function, and works by prefixing
* the supplied meta key with a blog-specific meta key.
*
* @param int $user_id User ID.
* @param string $meta_key Metadata key.
* @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
* @param mixed $prev_value Optional. Previous value to check before updating. If specified, only update existing
* metadata entries with this value. Otherwise, update all entries. Default empty.
*
* @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure or if the value
* passed to the function is the same as the one that is already in the database.
*/
public static function update_site_user_meta( int $user_id, string $meta_key, $meta_value, $prev_value = '' ) {
global $wpdb;
$site_specific_key = $meta_key . '_' . rtrim( $wpdb->get_blog_prefix( get_current_blog_id() ), '_' );
return update_user_meta( $user_id, $site_specific_key, $meta_value, $prev_value );
}
/**
* Site-specific means of deleting user meta.
*
* This is a multisite-aware wrapper around WordPress's own `delete_user_meta()` function, and works by prefixing
* the supplied meta key with a blog-specific meta key.
*
* @param int $user_id User ID.
* @param string $meta_key Metadata name.
* @param mixed $meta_value Optional. Metadata value. If provided, rows will only be removed that match the value.
* Must be serializable if non-scalar. Default empty.
*
* @return bool True on success, false on failure.
* /
*/
public static function delete_site_user_meta( $user_id, $meta_key, $meta_value = '' ) {
global $wpdb;
$site_specific_key = $meta_key . '_' . rtrim( $wpdb->get_blog_prefix(), '_' );
return delete_user_meta( $user_id, $site_specific_key, $meta_value );
}
}
