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<?php
/**
* Handle frontend forms.
*
* @package Kkart\Classes\
*/
defined( 'ABSPATH' ) || exit;
/**
* KKART_Form_Handler class.
*/
class KKART_Form_Handler {
/**
* Hook in methods.
*/
public static function init() {
add_action( 'template_redirect', array( __CLASS__, 'redirect_reset_password_link' ) );
add_action( 'template_redirect', array( __CLASS__, 'save_address' ) );
add_action( 'template_redirect', array( __CLASS__, 'save_account_details' ) );
add_action( 'wp_loaded', array( __CLASS__, 'checkout_action' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'process_login' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'process_registration' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'process_lost_password' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'process_reset_password' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'cancel_order' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'update_cart_action' ), 20 );
add_action( 'wp_loaded', array( __CLASS__, 'add_to_cart_action' ), 20 );
// May need $wp global to access query vars.
add_action( 'wp', array( __CLASS__, 'pay_action' ), 20 );
add_action( 'wp', array( __CLASS__, 'add_payment_method_action' ), 20 );
add_action( 'wp', array( __CLASS__, 'delete_payment_method_action' ), 20 );
add_action( 'wp', array( __CLASS__, 'set_default_payment_method_action' ), 20 );
}
/**
* Remove key and user ID (or user login, as a fallback) from query string, set cookie, and redirect to account page to show the form.
*/
public static function redirect_reset_password_link() {
if ( is_account_page() && isset( $_GET['key'] ) && ( isset( $_GET['id'] ) || isset( $_GET['login'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
// If available, get $user_id from query string parameter for fallback purposes.
if ( isset( $_GET['login'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$user = get_user_by( 'login', sanitize_user( wp_unslash( $_GET['login'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$user_id = $user ? $user->ID : 0;
} else {
$user_id = absint( $_GET['id'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
}
// If the reset token is not for the current user, ignore the reset request (don't redirect).
$logged_in_user_id = get_current_user_id();
if ( $logged_in_user_id && $logged_in_user_id !== $user_id ) {
kkart_add_notice( __( 'This password reset key is for a different user account. Please log out and try again.', 'kkart' ), 'error' );
return;
}
$action = isset( $_GET['action'] ) ? sanitize_text_field( wp_unslash( $_GET['action'] ) ) : '';
$value = sprintf( '%d:%s', $user_id, wp_unslash( $_GET['key'] ) ); // phpcs:ignore
KKART_Shortcode_My_Account::set_reset_password_cookie( $value );
wp_safe_redirect(
add_query_arg(
array(
'show-reset-form' => 'true',
'action' => $action,
),
kkart_lostpassword_url()
)
);
exit;
}
}
/**
* Save and and update a billing or shipping address if the
* form was submitted through the user account page.
*/
public static function save_address() {
global $wp;
$nonce_value = kkart_get_var( $_REQUEST['kkart-edit-address-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! wp_verify_nonce( $nonce_value, 'kkart-edit_address' ) ) {
return;
}
if ( empty( $_POST['action'] ) || 'edit_address' !== $_POST['action'] ) {
return;
}
kkart_nocache_headers();
$user_id = get_current_user_id();
if ( $user_id <= 0 ) {
return;
}
$customer = new KKART_Customer( $user_id );
if ( ! $customer ) {
return;
}
$load_address = isset( $wp->query_vars['edit-address'] ) ? kkart_edit_address_i18n( sanitize_title( $wp->query_vars['edit-address'] ), true ) : 'billing';
if ( ! isset( $_POST[ $load_address . '_country' ] ) ) {
return;
}
$address = KKART()->countries->get_address_fields( kkart_clean( wp_unslash( $_POST[ $load_address . '_country' ] ) ), $load_address . '_' );
foreach ( $address as $key => $field ) {
if ( ! isset( $field['type'] ) ) {
$field['type'] = 'text';
}
// Get Value.
if ( 'checkbox' === $field['type'] ) {
$value = (int) isset( $_POST[ $key ] );
} else {
$value = isset( $_POST[ $key ] ) ? kkart_clean( wp_unslash( $_POST[ $key ] ) ) : '';
}
// Hook to allow modification of value.
$value = apply_filters( 'kkart_process_myaccount_field_' . $key, $value );
// Validation: Required fields.
if ( ! empty( $field['required'] ) && empty( $value ) ) {
/* translators: %s: Field name. */
kkart_add_notice( sprintf( __( '%s is a required field.', 'kkart' ), $field['label'] ), 'error', array( 'id' => $key ) );
}
if ( ! empty( $value ) ) {
// Validation and formatting rules.
if ( ! empty( $field['validate'] ) && is_array( $field['validate'] ) ) {
foreach ( $field['validate'] as $rule ) {
switch ( $rule ) {
case 'postcode':
$country = kkart_clean( wp_unslash( $_POST[ $load_address . '_country' ] ) );
$value = kkart_format_postcode( $value, $country );
if ( '' !== $value && ! KKART_Validation::is_postcode( $value, $country ) ) {
switch ( $country ) {
case 'IE':
$postcode_validation_notice = __( 'Please enter a valid Eircode.', 'kkart' );
break;
default:
$postcode_validation_notice = __( 'Please enter a valid postcode / ZIP.', 'kkart' );
}
kkart_add_notice( $postcode_validation_notice, 'error' );
}
break;
case 'phone':
if ( '' !== $value && ! KKART_Validation::is_phone( $value ) ) {
/* translators: %s: Phone number. */
kkart_add_notice( sprintf( __( '%s is not a valid phone number.', 'kkart' ), '<strong>' . $field['label'] . '</strong>' ), 'error' );
}
break;
case 'email':
$value = strtolower( $value );
if ( ! is_email( $value ) ) {
/* translators: %s: Email address. */
kkart_add_notice( sprintf( __( '%s is not a valid email address.', 'kkart' ), '<strong>' . $field['label'] . '</strong>' ), 'error' );
}
break;
}
}
}
}
try {
// Set prop in customer object.
if ( is_callable( array( $customer, "set_$key" ) ) ) {
$customer->{"set_$key"}( $value );
} else {
$customer->update_meta_data( $key, $value );
}
} catch ( KKART_Data_Exception $e ) {
// Set notices. Ignore invalid billing email, since is already validated.
if ( 'customer_invalid_billing_email' !== $e->getErrorCode() ) {
kkart_add_notice( $e->getMessage(), 'error' );
}
}
}
/**
* Hook: kkart_after_save_address_validation.
*
* Allow developers to add custom validation logic and throw an error to prevent save.
*
* @param int $user_id User ID being saved.
* @param string $load_address Type of address e.g. billing or shipping.
* @param array $address The address fields.
* @param KKART_Customer $customer The customer object being saved. @since 3.6.0
*/
do_action( 'kkart_after_save_address_validation', $user_id, $load_address, $address, $customer );
if ( 0 < kkart_notice_count( 'error' ) ) {
return;
}
$customer->save();
kkart_add_notice( __( 'Address changed successfully.', 'kkart' ) );
do_action( 'kkart_customer_save_address', $user_id, $load_address );
wp_safe_redirect( kkart_get_endpoint_url( 'edit-address', '', kkart_get_page_permalink( 'myaccount' ) ) );
exit;
}
/**
* Save the password/account details and redirect back to the my account page.
*/
public static function save_account_details() {
$nonce_value = kkart_get_var( $_REQUEST['save-account-details-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! wp_verify_nonce( $nonce_value, 'save_account_details' ) ) {
return;
}
if ( empty( $_POST['action'] ) || 'save_account_details' !== $_POST['action'] ) {
return;
}
kkart_nocache_headers();
$user_id = get_current_user_id();
if ( $user_id <= 0 ) {
return;
}
$account_first_name = ! empty( $_POST['account_first_name'] ) ? kkart_clean( wp_unslash( $_POST['account_first_name'] ) ) : '';
$account_last_name = ! empty( $_POST['account_last_name'] ) ? kkart_clean( wp_unslash( $_POST['account_last_name'] ) ) : '';
$account_display_name = ! empty( $_POST['account_display_name'] ) ? kkart_clean( wp_unslash( $_POST['account_display_name'] ) ) : '';
$account_email = ! empty( $_POST['account_email'] ) ? kkart_clean( wp_unslash( $_POST['account_email'] ) ) : '';
$pass_cur = ! empty( $_POST['password_current'] ) ? $_POST['password_current'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
$pass1 = ! empty( $_POST['password_1'] ) ? $_POST['password_1'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
$pass2 = ! empty( $_POST['password_2'] ) ? $_POST['password_2'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
$save_pass = true;
// Current user data.
$current_user = get_user_by( 'id', $user_id );
$current_first_name = $current_user->first_name;
$current_last_name = $current_user->last_name;
$current_email = $current_user->user_email;
// New user data.
$user = new stdClass();
$user->ID = $user_id;
$user->first_name = $account_first_name;
$user->last_name = $account_last_name;
$user->display_name = $account_display_name;
// Prevent display name to be changed to email.
if ( is_email( $account_display_name ) ) {
kkart_add_notice( __( 'Display name cannot be changed to email address due to privacy concern.', 'kkart' ), 'error' );
}
// Handle required fields.
$required_fields = apply_filters(
'kkart_save_account_details_required_fields',
array(
'account_first_name' => __( 'First name', 'kkart' ),
'account_last_name' => __( 'Last name', 'kkart' ),
'account_display_name' => __( 'Display name', 'kkart' ),
'account_email' => __( 'Email address', 'kkart' ),
)
);
foreach ( $required_fields as $field_key => $field_name ) {
if ( empty( $_POST[ $field_key ] ) ) {
/* translators: %s: Field name. */
kkart_add_notice( sprintf( __( '%s is a required field.', 'kkart' ), '<strong>' . esc_html( $field_name ) . '</strong>' ), 'error', array( 'id' => $field_key ) );
}
}
if ( $account_email ) {
$account_email = sanitize_email( $account_email );
if ( ! is_email( $account_email ) ) {
kkart_add_notice( __( 'Please provide a valid email address.', 'kkart' ), 'error' );
} elseif ( email_exists( $account_email ) && $account_email !== $current_user->user_email ) {
kkart_add_notice( __( 'This email address is already registered.', 'kkart' ), 'error' );
}
$user->user_email = $account_email;
}
if ( ! empty( $pass_cur ) && empty( $pass1 ) && empty( $pass2 ) ) {
kkart_add_notice( __( 'Please fill out all password fields.', 'kkart' ), 'error' );
$save_pass = false;
} elseif ( ! empty( $pass1 ) && empty( $pass_cur ) ) {
kkart_add_notice( __( 'Please enter your current password.', 'kkart' ), 'error' );
$save_pass = false;
} elseif ( ! empty( $pass1 ) && empty( $pass2 ) ) {
kkart_add_notice( __( 'Please re-enter your password.', 'kkart' ), 'error' );
$save_pass = false;
} elseif ( ( ! empty( $pass1 ) || ! empty( $pass2 ) ) && $pass1 !== $pass2 ) {
kkart_add_notice( __( 'New passwords do not match.', 'kkart' ), 'error' );
$save_pass = false;
} elseif ( ! empty( $pass1 ) && ! wp_check_password( $pass_cur, $current_user->user_pass, $current_user->ID ) ) {
kkart_add_notice( __( 'Your current password is incorrect.', 'kkart' ), 'error' );
$save_pass = false;
}
if ( $pass1 && $save_pass ) {
$user->user_pass = $pass1;
}
// Allow plugins to return their own errors.
$errors = new WP_Error();
do_action_ref_array( 'kkart_save_account_details_errors', array( &$errors, &$user ) );
if ( $errors->get_error_messages() ) {
foreach ( $errors->get_error_messages() as $error ) {
kkart_add_notice( $error, 'error' );
}
}
if ( kkart_notice_count( 'error' ) === 0 ) {
wp_update_user( $user );
// Update customer object to keep data in sync.
$customer = new KKART_Customer( $user->ID );
if ( $customer ) {
// Keep billing data in sync if data changed.
if ( is_email( $user->user_email ) && $current_email !== $user->user_email ) {
$customer->set_billing_email( $user->user_email );
}
if ( $current_first_name !== $user->first_name ) {
$customer->set_billing_first_name( $user->first_name );
}
if ( $current_last_name !== $user->last_name ) {
$customer->set_billing_last_name( $user->last_name );
}
$customer->save();
}
kkart_add_notice( __( 'Account details changed successfully.', 'kkart' ) );
do_action( 'kkart_save_account_details', $user->ID );
wp_safe_redirect( kkart_get_page_permalink( 'myaccount' ).'/#edit-account' );
exit;
}
}
/**
* Process the checkout form.
*/
public static function checkout_action() {
if ( isset( $_POST['kkart_checkout_place_order'] ) || isset( $_POST['kkart_checkout_update_totals'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
kkart_nocache_headers();
if ( KKART()->cart->is_empty() ) {
wp_safe_redirect( kkart_get_cart_url() );
exit;
}
kkart_maybe_define_constant( 'KKART_CHECKOUT', true );
KKART()->checkout()->process_checkout();
}
}
/**
* Process the pay form.
*
* @throws Exception On payment error.
*/
public static function pay_action() {
global $wp;
if ( isset( $_POST['kkart_pay'], $_GET['key'] ) ) {
kkart_nocache_headers();
$nonce_value = kkart_get_var( $_REQUEST['kkart-pay-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! wp_verify_nonce( $nonce_value, 'kkart-pay' ) ) {
return;
}
ob_start();
// Pay for existing order.
$order_key = wp_unslash( $_GET['key'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$order_id = absint( $_GET['order_id'] );
$order = kkart_get_order( $order_id );
if ( $order_id === $order->get_id() && hash_equals( $order->get_order_key(), $order_key ) && $order->needs_payment() ) {
do_action( 'kkart_before_pay_action', $order );
KKART()->customer->set_props(
array(
'billing_country' => $order->get_billing_country() ? $order->get_billing_country() : null,
'billing_state' => $order->get_billing_state() ? $order->get_billing_state() : null,
'billing_postcode' => $order->get_billing_postcode() ? $order->get_billing_postcode() : null,
'billing_city' => $order->get_billing_city() ? $order->get_billing_city() : null,
)
);
KKART()->customer->save();
if ( ! empty( $_POST['terms-field'] ) && empty( $_POST['terms'] ) ) {
kkart_add_notice( __( 'Please read and accept the terms and conditions to proceed with your order.', 'kkart' ), 'error' );
return;
}
// Update payment method.
if ( $order->needs_payment() ) {
try {
$payment_method_id = isset( $_POST['payment_method'] ) ? kkart_clean( wp_unslash( $_POST['payment_method'] ) ) : false;
if ( ! $payment_method_id ) {
throw new Exception( __( 'Invalid payment method.', 'kkart' ) );
}
$available_gateways = KKART()->payment_gateways->get_available_payment_gateways();
$payment_method = isset( $available_gateways[ $payment_method_id ] ) ? $available_gateways[ $payment_method_id ] : false;
if ( ! $payment_method ) {
throw new Exception( __( 'Invalid payment method.', 'kkart' ) );
}
$order->set_payment_method( $payment_method );
$order->save();
$payment_method->validate_fields();
if ( 0 === kkart_notice_count( 'error' ) ) {
$result = $payment_method->process_payment( $order_id );
// Redirect to success/confirmation/payment page.
if ( isset( $result['result'] ) && 'success' === $result['result'] ) {
$result = apply_filters( 'kkart_payment_successful_result', $result, $order_id );
wp_redirect( $result['redirect'] ); //phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect
exit;
}
}
} catch ( Exception $e ) {
kkart_add_notice( $e->getMessage(), 'error' );
}
} else {
// No payment was required for order.
$order->payment_complete();
wp_safe_redirect( $order->get_checkout_order_received_url() );
exit;
}
do_action( 'kkart_after_pay_action', $order );
}
}
}
/**
* Process the add payment method form.
*/
public static function add_payment_method_action() {
if ( isset( $_POST['kkart_add_payment_method'], $_POST['payment_method'] ) ) {
kkart_nocache_headers();
$nonce_value = kkart_get_var( $_REQUEST['kkart-add-payment-method-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! wp_verify_nonce( $nonce_value, 'kkart-add-payment-method' ) ) {
return;
}
if ( ! apply_filters( 'kkart_add_payment_method_form_is_valid', true ) ) {
return;
}
// Test rate limit.
$current_user_id = get_current_user_id();
$rate_limit_id = 'add_payment_method_' . $current_user_id;
$delay = (int) apply_filters( 'kkart_payment_gateway_add_payment_method_delay', 20 );
if ( KKART_Rate_Limiter::retried_too_soon( $rate_limit_id ) ) {
kkart_add_notice(
sprintf(
/* translators: %d number of seconds */
_n(
'You cannot add a new payment method so soon after the previous one. Please wait for %d second.',
'You cannot add a new payment method so soon after the previous one. Please wait for %d seconds.',
$delay,
'kkart'
),
$delay
),
'error'
);
return;
}
KKART_Rate_Limiter::set_rate_limit( $rate_limit_id, $delay );
ob_start();
$payment_method_id = kkart_clean( wp_unslash( $_POST['payment_method'] ) );
$available_gateways = KKART()->payment_gateways->get_available_payment_gateways();
if ( isset( $available_gateways[ $payment_method_id ] ) ) {
$gateway = $available_gateways[ $payment_method_id ];
if ( ! $gateway->supports( 'add_payment_method' ) && ! $gateway->supports( 'tokenization' ) ) {
kkart_add_notice( __( 'Invalid payment gateway.', 'kkart' ), 'error' );
return;
}
$gateway->validate_fields();
if ( kkart_notice_count( 'error' ) > 0 ) {
return;
}
$result = $gateway->add_payment_method();
if ( 'success' === $result['result'] ) {
kkart_add_notice( __( 'Payment method successfully added.', 'kkart' ) );
}
if ( 'failure' === $result['result'] ) {
kkart_add_notice( __( 'Unable to add payment method to your account.', 'kkart' ), 'error' );
}
if ( ! empty( $result['redirect'] ) ) {
wp_redirect( $result['redirect'] ); //phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect
exit();
}
}
}
}
/**
* Process the delete payment method form.
*/
public static function delete_payment_method_action() {
global $wp;
if ( isset( $wp->query_vars['delete-payment-method'] ) ) {
kkart_nocache_headers();
$token_id = absint( $wp->query_vars['delete-payment-method'] );
$token = KKART_Payment_Tokens::get( $token_id );
if ( is_null( $token ) || get_current_user_id() !== $token->get_user_id() || ! isset( $_REQUEST['_wpnonce'] ) || false === wp_verify_nonce( wp_unslash( $_REQUEST['_wpnonce'] ), 'delete-payment-method-' . $token_id ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
kkart_add_notice( __( 'Invalid payment method.', 'kkart' ), 'error' );
} else {
KKART_Payment_Tokens::delete( $token_id );
kkart_add_notice( __( 'Payment method deleted.', 'kkart' ) );
}
wp_safe_redirect( kkart_get_account_endpoint_url( 'payment-methods' ) );
exit();
}
}
/**
* Process the delete payment method form.
*/
public static function set_default_payment_method_action() {
global $wp;
if ( isset( $wp->query_vars['set-default-payment-method'] ) ) {
kkart_nocache_headers();
$token_id = absint( $wp->query_vars['set-default-payment-method'] );
$token = KKART_Payment_Tokens::get( $token_id );
if ( is_null( $token ) || get_current_user_id() !== $token->get_user_id() || ! isset( $_REQUEST['_wpnonce'] ) || false === wp_verify_nonce( wp_unslash( $_REQUEST['_wpnonce'] ), 'set-default-payment-method-' . $token_id ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
kkart_add_notice( __( 'Invalid payment method.', 'kkart' ), 'error' );
} else {
KKART_Payment_Tokens::set_users_default( $token->get_user_id(), intval( $token_id ) );
kkart_add_notice( __( 'This payment method was successfully set as your default.', 'kkart' ) );
}
wp_safe_redirect( kkart_get_account_endpoint_url( 'payment-methods' ) );
exit();
}
}
/**
* Remove from cart/update.
*/
public static function update_cart_action() {
if ( ! ( isset( $_REQUEST['apply_coupon'] ) || isset( $_REQUEST['remove_coupon'] ) || isset( $_REQUEST['remove_item'] ) || isset( $_REQUEST['undo_item'] ) || isset( $_REQUEST['update_cart'] ) || isset( $_REQUEST['proceed'] ) ) ) {
return;
}
kkart_nocache_headers();
$nonce_value = kkart_get_var( $_REQUEST['kkart-cart-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! empty( $_POST['apply_coupon'] ) && ! empty( $_POST['coupon_code'] ) ) {
KKART()->cart->add_discount( kkart_format_coupon_code( wp_unslash( $_POST['coupon_code'] ) ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
} elseif ( isset( $_GET['remove_coupon'] ) ) {
KKART()->cart->remove_coupon( kkart_format_coupon_code( urldecode( wp_unslash( $_GET['remove_coupon'] ) ) ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
} elseif ( ! empty( $_GET['remove_item'] ) && wp_verify_nonce( $nonce_value, 'kkart-cart' ) ) {
$cart_item_key = sanitize_text_field( wp_unslash( $_GET['remove_item'] ) );
$cart_item = KKART()->cart->get_cart_item( $cart_item_key );
if ( $cart_item ) {
KKART()->cart->remove_cart_item( $cart_item_key );
$product = kkart_get_product( $cart_item['product_id'] );
/* translators: %s: Item name. */
$item_removed_title = apply_filters( 'kkart_cart_item_removed_title', $product ? sprintf( _x( '“%s”', 'Item name in quotes', 'kkart' ), $product->get_name() ) : __( 'Item', 'kkart' ), $cart_item );
// Don't show undo link if removed item is out of stock.
if ( $product && $product->is_in_stock() && $product->has_enough_stock( $cart_item['quantity'] ) ) {
/* Translators: %s Product title. */
$removed_notice = sprintf( __( '%s removed.', 'kkart' ), $item_removed_title );
$removed_notice .= ' <a href="' . esc_url( kkart_get_cart_undo_url( $cart_item_key ) ) . '" class="restore-item">' . __( 'Undo?', 'kkart' ) . '</a>';
} else {
/* Translators: %s Product title. */
$removed_notice = sprintf( __( '%s removed.', 'kkart' ), $item_removed_title );
}
kkart_add_notice( $removed_notice, apply_filters( 'kkart_cart_item_removed_notice_type', 'success' ) );
}
$referer = wp_get_referer() ? remove_query_arg( array( 'remove_item', 'add-to-cart', 'added-to-cart', 'order_again', '_wpnonce' ), add_query_arg( 'removed_item', '1', wp_get_referer() ) ) : kkart_get_cart_url();
wp_safe_redirect( $referer );
exit;
} elseif ( ! empty( $_GET['undo_item'] ) && isset( $_GET['_wpnonce'] ) && wp_verify_nonce( $nonce_value, 'kkart-cart' ) ) {
// Undo Cart Item.
$cart_item_key = sanitize_text_field( wp_unslash( $_GET['undo_item'] ) );
KKART()->cart->restore_cart_item( $cart_item_key );
$referer = wp_get_referer() ? remove_query_arg( array( 'undo_item', '_wpnonce' ), wp_get_referer() ) : kkart_get_cart_url();
wp_safe_redirect( $referer );
exit;
}
// Update Cart - checks apply_coupon too because they are in the same form.
if ( ( ! empty( $_POST['apply_coupon'] ) || ! empty( $_POST['update_cart'] ) || ! empty( $_POST['proceed'] ) ) && wp_verify_nonce( $nonce_value, 'kkart-cart' ) ) {
$cart_updated = false;
$cart_totals = isset( $_POST['cart'] ) ? wp_unslash( $_POST['cart'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( ! KKART()->cart->is_empty() && is_array( $cart_totals ) ) {
foreach ( KKART()->cart->get_cart() as $cart_item_key => $values ) {
$_product = $values['data'];
// Skip product if no updated quantity was posted.
if ( ! isset( $cart_totals[ $cart_item_key ] ) || ! isset( $cart_totals[ $cart_item_key ]['qty'] ) ) {
continue;
}
// Sanitize.
$quantity = apply_filters( 'kkart_stock_amount_cart_item', kkart_stock_amount( preg_replace( '/[^0-9\.]/', '', $cart_totals[ $cart_item_key ]['qty'] ) ), $cart_item_key );
if ( '' === $quantity || $quantity === $values['quantity'] ) {
continue;
}
// Update cart validation.
$passed_validation = apply_filters( 'kkart_update_cart_validation', true, $cart_item_key, $values, $quantity );
// is_sold_individually.
if ( $_product->is_sold_individually() && $quantity > 1 ) {
/* Translators: %s Product title. */
kkart_add_notice( sprintf( __( 'You can only have 1 %s in your cart.', 'kkart' ), $_product->get_name() ), 'error' );
$passed_validation = false;
}
if ( $passed_validation ) {
KKART()->cart->set_quantity( $cart_item_key, $quantity, false );
$cart_updated = true;
}
}
}
// Trigger action - let 3rd parties update the cart if they need to and update the $cart_updated variable.
$cart_updated = apply_filters( 'kkart_update_cart_action_cart_updated', $cart_updated );
if ( $cart_updated ) {
KKART()->cart->calculate_totals();
}
if ( ! empty( $_POST['proceed'] ) ) {
wp_safe_redirect( kkart_get_checkout_url() );
exit;
} elseif ( $cart_updated ) {
kkart_add_notice( __( 'Cart updated.', 'kkart' ), apply_filters( 'kkart_cart_updated_notice_type', 'success' ) );
$referer = remove_query_arg( array( 'remove_coupon', 'add-to-cart' ), ( wp_get_referer() ? wp_get_referer() : kkart_get_cart_url() ) );
wp_safe_redirect( $referer );
exit;
}
}
}
/**
* Place a previous order again.
*
* @deprecated 3.5.0 Logic moved to cart session handling.
*/
public static function order_again() {
kkart_deprecated_function( 'KKART_Form_Handler::order_again', '3.5', 'This method should not be called manually.' );
}
/**
* Cancel a pending order.
*/
public static function cancel_order() {
if (
isset( $_GET['cancel_order'] ) &&
isset( $_GET['order'] ) &&
isset( $_GET['order_id'] ) &&
( isset( $_GET['_wpnonce'] ) && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), 'kkart-cancel_order' ) ) // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
) {
kkart_nocache_headers();
$order_key = wp_unslash( $_GET['order'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$order_id = absint( $_GET['order_id'] );
$order = kkart_get_order( $order_id );
$user_can_cancel = current_user_can( 'cancel_order', $order_id );
$order_can_cancel = $order->has_status( apply_filters( 'kkart_valid_order_statuses_for_cancel', array( 'pending', 'failed' ), $order ) );
$redirect = isset( $_GET['redirect'] ) ? wp_unslash( $_GET['redirect'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( $user_can_cancel && $order_can_cancel && $order->get_id() === $order_id && hash_equals( $order->get_order_key(), $order_key ) ) {
// Cancel the order + restore stock.
KKART()->session->set( 'order_awaiting_payment', false );
$order->update_status( 'cancelled', __( 'Order cancelled by customer.', 'kkart' ) );
kkart_add_notice( apply_filters( 'kkart_order_cancelled_notice', __( 'Your order was cancelled.', 'kkart' ) ), apply_filters( 'kkart_order_cancelled_notice_type', 'notice' ) );
do_action( 'kkart_cancelled_order', $order->get_id() );
} elseif ( $user_can_cancel && ! $order_can_cancel ) {
kkart_add_notice( __( 'Your order can no longer be cancelled. Please contact us if you need assistance.', 'kkart' ), 'error' );
} else {
kkart_add_notice( __( 'Invalid order.', 'kkart' ), 'error' );
}
if ( $redirect ) {
wp_safe_redirect( $redirect );
exit;
}
}
}
/**
* Add to cart action.
*
* Checks for a valid request, does validation (via hooks) and then redirects if valid.
*
* @param bool $url (default: false) URL to redirect to.
*/
public static function add_to_cart_action( $url = false ) {
if ( ! isset( $_REQUEST['add-to-cart'] ) || ! is_numeric( wp_unslash( $_REQUEST['add-to-cart'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
return;
}
kkart_nocache_headers();
$product_id = apply_filters( 'kkart_add_to_cart_product_id', absint( wp_unslash( $_REQUEST['add-to-cart'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$was_added_to_cart = false;
$adding_to_cart = kkart_get_product( $product_id );
if ( ! $adding_to_cart ) {
return;
}
$add_to_cart_handler = apply_filters( 'kkart_add_to_cart_handler', $adding_to_cart->get_type(), $adding_to_cart );
if ( 'variable' === $add_to_cart_handler || 'variation' === $add_to_cart_handler ) {
$was_added_to_cart = self::add_to_cart_handler_variable( $product_id );
} elseif ( 'grouped' === $add_to_cart_handler ) {
$was_added_to_cart = self::add_to_cart_handler_grouped( $product_id );
} elseif ( has_action( 'kkart_add_to_cart_handler_' . $add_to_cart_handler ) ) {
do_action( 'kkart_add_to_cart_handler_' . $add_to_cart_handler, $url ); // Custom handler.
} else {
$was_added_to_cart = self::add_to_cart_handler_simple( $product_id );
}
// If we added the product to the cart we can now optionally do a redirect.
if ( $was_added_to_cart && 0 === kkart_notice_count( 'error' ) ) {
$url = apply_filters( 'kkart_add_to_cart_redirect', $url, $adding_to_cart );
if ( $url ) {
wp_safe_redirect( $url );
exit;
} elseif ( 'yes' === get_option( 'kkart_cart_redirect_after_add' ) ) {
wp_safe_redirect( kkart_get_cart_url() );
exit;
}
}
}
/**
* Handle adding simple products to the cart.
*
* @since 2.4.6 Split from add_to_cart_action.
* @param int $product_id Product ID to add to the cart.
* @return bool success or not
*/
private static function add_to_cart_handler_simple( $product_id ) {
$quantity = empty( $_REQUEST['quantity'] ) ? 1 : kkart_stock_amount( wp_unslash( $_REQUEST['quantity'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$passed_validation = apply_filters( 'kkart_add_to_cart_validation', true, $product_id, $quantity );
if ( $passed_validation && false !== KKART()->cart->add_to_cart( $product_id, $quantity ) ) {
kkart_add_to_cart_message( array( $product_id => $quantity ), true );
return true;
}
return false;
}
/**
* Handle adding grouped products to the cart.
*
* @since 2.4.6 Split from add_to_cart_action.
* @param int $product_id Product ID to add to the cart.
* @return bool success or not
*/
private static function add_to_cart_handler_grouped( $product_id ) {
$was_added_to_cart = false;
$added_to_cart = array();
$items = isset( $_REQUEST['quantity'] ) && is_array( $_REQUEST['quantity'] ) ? wp_unslash( $_REQUEST['quantity'] ) : array(); // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( ! empty( $items ) ) {
$quantity_set = false;
foreach ( $items as $item => $quantity ) {
$quantity = kkart_stock_amount( $quantity );
if ( $quantity <= 0 ) {
continue;
}
$quantity_set = true;
// Add to cart validation.
$passed_validation = apply_filters( 'kkart_add_to_cart_validation', true, $item, $quantity );
// Suppress total recalculation until finished.
remove_action( 'kkart_add_to_cart', array( KKART()->cart, 'calculate_totals' ), 20, 0 );
if ( $passed_validation && false !== KKART()->cart->add_to_cart( $item, $quantity ) ) {
$was_added_to_cart = true;
$added_to_cart[ $item ] = $quantity;
}
add_action( 'kkart_add_to_cart', array( KKART()->cart, 'calculate_totals' ), 20, 0 );
}
if ( ! $was_added_to_cart && ! $quantity_set ) {
kkart_add_notice( __( 'Please choose the quantity of items you wish to add to your cart…', 'kkart' ), 'error' );
} elseif ( $was_added_to_cart ) {
kkart_add_to_cart_message( $added_to_cart );
KKART()->cart->calculate_totals();
return true;
}
} elseif ( $product_id ) {
/* Link on product archives */
kkart_add_notice( __( 'Please choose a product to add to your cart…', 'kkart' ), 'error' );
}
return false;
}
/**
* Handle adding variable products to the cart.
*
* @since 2.4.6 Split from add_to_cart_action.
* @throws Exception If add to cart fails.
* @param int $product_id Product ID to add to the cart.
* @return bool success or not
*/
private static function add_to_cart_handler_variable( $product_id ) {
$variation_id = empty( $_REQUEST['variation_id'] ) ? '' : absint( wp_unslash( $_REQUEST['variation_id'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$quantity = empty( $_REQUEST['quantity'] ) ? 1 : kkart_stock_amount( wp_unslash( $_REQUEST['quantity'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$variations = array();
$product = kkart_get_product( $product_id );
foreach ( $_REQUEST as $key => $value ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( 'attribute_' !== substr( $key, 0, 10 ) ) {
continue;
}
$variations[ sanitize_title( wp_unslash( $key ) ) ] = wp_unslash( $value );
}
$passed_validation = apply_filters( 'kkart_add_to_cart_validation', true, $product_id, $quantity, $variation_id, $variations );
if ( ! $passed_validation ) {
return false;
}
// Prevent parent variable product from being added to cart.
if ( empty( $variation_id ) && $product && $product->is_type( 'variable' ) ) {
/* translators: 1: product link, 2: product name */
kkart_add_notice( sprintf( __( 'Please choose product options by visiting <a href="%1$s" title="%2$s">%2$s</a>.', 'kkart' ), esc_url( get_permalink( $product_id ) ), esc_html( $product->get_name() ) ), 'error' );
return false;
}
if ( false !== KKART()->cart->add_to_cart( $product_id, $quantity, $variation_id, $variations ) ) {
kkart_add_to_cart_message( array( $product_id => $quantity ), true );
return true;
}
return false;
}
/**
* Process the login form.
*
* @throws Exception On login error.
*/
public static function process_login() {
// The global form-login.php template used `_wpnonce` in template versions < 3.3.0.
$nonce_value = kkart_get_var( $_REQUEST['kkart-login-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( isset( $_POST['login'], $_POST['username'], $_POST['password'] ) && wp_verify_nonce( $nonce_value, 'kkart-login' ) ) {
try {
$creds = array(
'user_login' => trim( wp_unslash( $_POST['username'] ) ), // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
'user_password' => $_POST['password'], // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
'remember' => isset( $_POST['rememberme'] ), // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
);
$validation_error = new WP_Error();
$validation_error = apply_filters( 'kkart_process_login_errors', $validation_error, $creds['user_login'], $creds['user_password'] );
if ( $validation_error->get_error_code() ) {
throw new Exception( '<strong>' . __( 'Error:', 'kkart' ) . '</strong> ' . $validation_error->get_error_message() );
}
if ( empty( $creds['user_login'] ) ) {
throw new Exception( '<strong>' . __( 'Error:', 'kkart' ) . '</strong> ' . __( 'Username is required.', 'kkart' ) );
}
// On multisite, ensure user exists on current site, if not add them before allowing login.
if ( is_multisite() ) {
$user_data = get_user_by( is_email( $creds['user_login'] ) ? 'email' : 'login', $creds['user_login'] );
if ( $user_data && ! is_user_member_of_blog( $user_data->ID, get_current_blog_id() ) ) {
add_user_to_blog( get_current_blog_id(), $user_data->ID, 'customer' );
}
}
// Perform the login.
$user = wp_signon( apply_filters( 'kkart_login_credentials', $creds ), is_ssl() );
if ( is_wp_error( $user ) ) {
throw new Exception( $user->get_error_message() );
} else {
if ( ! empty( $_POST['redirect'] ) ) {
$redirect = wp_unslash( $_POST['redirect'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
} elseif ( kkart_get_raw_referer() ) {
$redirect = kkart_get_raw_referer();
} else {
$redirect = kkart_get_page_permalink( 'myaccount' );
}
wp_redirect( wp_validate_redirect( apply_filters( 'kkart_login_redirect', remove_query_arg( 'kkart_error', $redirect ), $user ), kkart_get_page_permalink( 'myaccount' ) ) ); // phpcs:ignore
exit;
}
} catch ( Exception $e ) {
kkart_add_notice( apply_filters( 'login_errors', $e->getMessage() ), 'error' );
do_action( 'kkart_login_failed' );
}
}
}
/**
* Handle lost password form.
*/
public static function process_lost_password() {
if ( isset( $_POST['kkart_reset_password'], $_POST['user_login'] ) ) {
$nonce_value = kkart_get_var( $_REQUEST['kkart-lost-password-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! wp_verify_nonce( $nonce_value, 'lost_password' ) ) {
return;
}
$success = KKART_Shortcode_My_Account::retrieve_password();
// If successful, redirect to my account with query arg set.
if ( $success ) {
wp_safe_redirect( add_query_arg( 'reset-link-sent', 'true', kkart_get_account_endpoint_url( 'lost-password' ) ) );
exit;
}
}
}
/**
* Handle reset password form.
*/
public static function process_reset_password() {
$nonce_value = kkart_get_var( $_REQUEST['kkart-reset-password-nonce'], kkart_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.
if ( ! wp_verify_nonce( $nonce_value, 'reset_password' ) ) {
return;
}
$posted_fields = array( 'kkart_reset_password', 'password_1', 'password_2', 'reset_key', 'reset_login' );
foreach ( $posted_fields as $field ) {
if ( ! isset( $_POST[ $field ] ) ) {
return;
}
if ( in_array( $field, array( 'password_1', 'password_2' ), true ) ) {
// Don't unslash password fields
// @see https://github.com/kkart/kkart/issues/23922.
$posted_fields[ $field ] = $_POST[ $field ]; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
} else {
$posted_fields[ $field ] = wp_unslash( $_POST[ $field ] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
}
}
$user = KKART_Shortcode_My_Account::check_password_reset_key( $posted_fields['reset_key'], $posted_fields['reset_login'] );
if ( $user instanceof WP_User ) {
if ( empty( $posted_fields['password_1'] ) ) {
kkart_add_notice( __( 'Please enter your password.', 'kkart' ), 'error' );
}
if ( $posted_fields['password_1'] !== $posted_fields['password_2'] ) {
kkart_add_notice( __( 'Passwords do not match.', 'kkart' ), 'error' );
}
$errors = new WP_Error();
do_action( 'validate_password_reset', $errors, $user );
kkart_add_wp_error_notices( $errors );
if ( 0 === kkart_notice_count( 'error' ) ) {
KKART_Shortcode_My_Account::reset_password( $user, $posted_fields['password_1'] );
do_action( 'kkart_customer_reset_password', $user );
wp_safe_redirect( add_query_arg( 'password-reset', 'true', kkart_get_page_permalink( 'myaccount' ) ) );
exit;
}
}
}
/**
* Process the registration form.
*
* @throws Exception On registration error.
*/
public static function process_registration() {
$nonce_value = isset( $_POST['_wpnonce'] ) ? wp_unslash( $_POST['_wpnonce'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$nonce_value = isset( $_POST['kkart-register-nonce'] ) ? wp_unslash( $_POST['kkart-register-nonce'] ) : $nonce_value; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( isset( $_POST['register'], $_POST['email'] ) && wp_verify_nonce( $nonce_value, 'kkart-register' ) ) {
$username = 'no' === get_option( 'kkart_registration_generate_username' ) && isset( $_POST['username'] ) ? wp_unslash( $_POST['username'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$password = 'no' === get_option( 'kkart_registration_generate_password' ) && isset( $_POST['password'] ) ? $_POST['password'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
$email = wp_unslash( $_POST['email'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
try {
$validation_error = new WP_Error();
$validation_error = apply_filters( 'kkart_process_registration_errors', $validation_error, $username, $password, $email );
$validation_errors = $validation_error->get_error_messages();
if ( 1 === count( $validation_errors ) ) {
throw new Exception( $validation_error->get_error_message() );
} elseif ( $validation_errors ) {
foreach ( $validation_errors as $message ) {
kkart_add_notice( '<strong>' . __( 'Error:', 'kkart' ) . '</strong> ' . $message, 'error' );
}
throw new Exception();
}
$new_customer = kkart_create_new_customer( sanitize_email( $email ), kkart_clean( $username ), $password );
if ( is_wp_error( $new_customer ) ) {
throw new Exception( $new_customer->get_error_message() );
}
if ( 'yes' === get_option( 'kkart_registration_generate_password' ) ) {
kkart_add_notice( __( 'Your account was created successfully and a password has been sent to your email address.', 'kkart' ) );
} else {
kkart_add_notice( __( 'Your account was created successfully. Your login details have been sent to your email address.', 'kkart' ) );
}
// Only redirect after a forced login - otherwise output a success notice.
if ( apply_filters( 'kkart_registration_auth_new_customer', true, $new_customer ) ) {
kkart_set_customer_auth_cookie( $new_customer );
if ( ! empty( $_POST['redirect'] ) ) {
$redirect = wp_sanitize_redirect( wp_unslash( $_POST['redirect'] ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
} elseif ( kkart_get_raw_referer() ) {
$redirect = kkart_get_raw_referer();
} else {
$redirect = kkart_get_page_permalink( 'myaccount' );
}
wp_redirect( wp_validate_redirect( apply_filters( 'kkart_registration_redirect', $redirect ), kkart_get_page_permalink( 'myaccount' ) ) ); //phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect
exit;
}
} catch ( Exception $e ) {
if ( $e->getMessage() ) {
kkart_add_notice( '<strong>' . __( 'Error:', 'kkart' ) . '</strong> ' . $e->getMessage(), 'error' );
}
}
}
}
}
KKART_Form_Handler::init();