<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* WC_HTTPS class.
*
* @class WC_HTTPS
* @version 2.2.0
* @package WooCommerce\Classes
* @category Class
* @author WooThemes
*/
class WC_HTTPS {
/**
* Hook in our HTTPS functions if we're on the frontend. This will ensure any links output to a page (when viewing via HTTPS) are also served over HTTPS.
*/
public static function init() {
if ( 'yes' === get_option( 'woocommerce_force_ssl_checkout' ) && ! is_admin() ) {
// HTTPS urls with SSL on
$filters = array(
'post_thumbnail_html',
'wp_get_attachment_image_attributes',
'wp_get_attachment_url',
'option_stylesheet_url',
'option_template_url',
'script_loader_src',
'style_loader_src',
'template_directory_uri',
'stylesheet_directory_uri',
'site_url',
);
foreach ( $filters as $filter ) {
add_filter( $filter, array( __CLASS__, 'force_https_url' ), 999 );
}
add_filter( 'page_link', array( __CLASS__, 'force_https_page_link' ), 10, 2 );
add_action( 'template_redirect', array( __CLASS__, 'force_https_template_redirect' ) );
if ( 'yes' == get_option( 'woocommerce_unforce_ssl_checkout' ) ) {
add_action( 'template_redirect', array( __CLASS__, 'unforce_https_template_redirect' ) );
}
}
add_action( 'http_api_curl', array( __CLASS__, 'http_api_curl' ), 10, 3 );
}
/**
* Force https for urls.
*
* @param mixed $content
* @return string
*/
public static function force_https_url( $content ) {
if ( is_ssl() ) {
if ( is_array( $content ) ) {
$content = array_map( 'WC_HTTPS::force_https_url', $content );
} else {
$content = str_replace( 'http:', 'https:', $content );
}
}
return $content;
}
/**
* Force a post link to be SSL if needed.
*
* @param string $link
* @param int $page_id
*
* @return string
*/
public static function force_https_page_link( $link, $page_id ) {
if ( in_array( $page_id, array( get_option( 'woocommerce_checkout_page_id' ), get_option( 'woocommerce_myaccount_page_id' ) ) ) ) {
$link = str_replace( 'http:', 'https:', $link );
} elseif ( 'yes' === get_option( 'woocommerce_unforce_ssl_checkout' ) && ! wc_site_is_https() ) {
$link = str_replace( 'https:', 'http:', $link );
}
return $link;
}
/**
* Template redirect - if we end up on a page ensure it has the correct http/https url.
*/
public static function force_https_template_redirect() {
if ( ! is_ssl() && ( is_checkout() || is_account_page() || apply_filters( 'woocommerce_force_ssl_checkout', false ) ) ) {
if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
wp_safe_redirect( preg_replace( '|^http://|', 'https://', $_SERVER['REQUEST_URI'] ) );
exit;
} else {
wp_safe_redirect( 'https://' . ( ! empty( $_SERVER['HTTP_X_FORWARDED_HOST'] ) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : $_SERVER['HTTP_HOST'] ) . $_SERVER['REQUEST_URI'] );
exit;
}
}
}
/**
* Template redirect - if we end up on a page ensure it has the correct http/https url.
*/
public static function unforce_https_template_redirect() {
if ( function_exists( 'is_customize_preview' ) && is_customize_preview() ) {
return;
}
if ( ! wc_site_is_https() && is_ssl() && $_SERVER['REQUEST_URI'] && ! is_checkout() && ! is_ajax() && ! is_account_page() && apply_filters( 'woocommerce_unforce_ssl_checkout', true ) ) {
if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
wp_safe_redirect( preg_replace( '|^https://|', 'http://', $_SERVER['REQUEST_URI'] ) );
exit;
} else {
wp_safe_redirect( 'http://' . ( ! empty( $_SERVER['HTTP_X_FORWARDED_HOST'] ) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : $_SERVER['HTTP_HOST'] ) . $_SERVER['REQUEST_URI'] );
exit;
}
}
}
/**
* Force posts to PayPal to use TLS v1.2. See:
* https://core.trac.wordpress.org/ticket/36320
* https://core.trac.wordpress.org/ticket/34924#comment:13
* https://www.paypal-knowledge.com/infocenter/index?page=content&widgetview=true&id=FAQ1914&viewlocale=en_US
*
* @param string $handle
* @param mixed $r
* @param string $url
*/
public static function http_api_curl( $handle, $r, $url ) {
if ( strstr( $url, 'https://' ) && ( strstr( $url, '.paypal.com/nvp' ) || strstr( $url, '.paypal.com/cgi-bin/webscr' ) ) ) {
curl_setopt( $handle, CURLOPT_SSLVERSION, 6 );
}
}
}
WC_HTTPS::init();