WC_Form_Handler::process_login() │ public static │ WC 1.0

Process the login form.

Method of the class: WC_Form_Handler{}

Hooks from the method

Return

null. Nothing (null).

Usage

$result = WC_Form_Handler::process_login();

WC_Form_Handler::process_login() code WC 9.5.1

woocommerce/includes/class-wc-form-handler.php 
public static function process_login() {

	static $valid_nonce = null;

	if ( null === $valid_nonce ) {
		// The global form-login.php template used `_wpnonce` in template versions < 3.3.0.
		$nonce_value = wc_get_var( $_REQUEST['woocommerce-login-nonce'], wc_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.

		$valid_nonce = wp_verify_nonce( $nonce_value, 'woocommerce-login' );
	}

	if ( isset( $_POST['login'], $_POST['username'], $_POST['password'] ) && $valid_nonce ) {

		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( 'woocommerce_process_login_errors', $validation_error, $creds['user_login'], $creds['user_password'] );

			if ( $validation_error->get_error_code() ) {
				throw new Exception( '<strong>' . __( 'Error:', 'woocommerce' ) . '</strong> ' . $validation_error->get_error_message() );
			}

			if ( empty( $creds['user_login'] ) ) {
				throw new Exception( '<strong>' . __( 'Error:', 'woocommerce' ) . '</strong> ' . __( 'Username is required.', 'woocommerce' ) );
			}

			// 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( 'woocommerce_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 ( wc_get_raw_referer() ) {
					$redirect = wc_get_raw_referer();
				} else {
					$redirect = wc_get_page_permalink( 'myaccount' );
				}

				$redirect = remove_query_arg( array( 'wc_error', 'password-reset' ), $redirect );

				wp_redirect( wp_validate_redirect( apply_filters( 'woocommerce_login_redirect', $redirect, $user ), wc_get_page_permalink( 'myaccount' ) ) ); // phpcs:ignore
				exit;
			}
		} catch ( Exception $e ) {
			wc_add_notice( apply_filters( 'login_errors', $e->getMessage() ), 'error' );
			do_action( 'woocommerce_login_failed' );
		}
	}
}