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<?php |
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// @codingStandardsIgnoreFile |
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/** |
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* SSL routines (inner processing routines). |
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* |
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* Copyright: © 2009-2011 |
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* {@link http://websharks-inc.com/ WebSharks, Inc.} |
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* (coded in the USA) |
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* |
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* Released under the terms of the GNU General Public License. |
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* You should have received a copy of the GNU General Public License, |
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* along with this software. In the main directory, see: /licensing/ |
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* If not, see: {@link http://www.gnu.org/licenses/}. |
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* |
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* @package s2Member\SSL |
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* @since 3.5 |
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*/ |
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if(!defined('WPINC')) // MUST have WordPress. |
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exit('Do not access this file directly.'); |
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|
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if(!class_exists('c_ws_plugin__s2member_ssl_in')) |
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{ |
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/** |
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* SSL routines (inner processing routines). |
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* |
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* @package s2Member\SSL |
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* @since 3.5 |
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*/ |
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class c_ws_plugin__s2member_ssl_in |
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{ |
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/** |
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* Forces SSL on specific Posts/Pages, or any page for that matter. |
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* |
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* Triggered by Custom Field: `s2member_force_ssl = yes|port#` |
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* |
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* Triggered by: `?s2-ssl` or `?s2-ssl=yes|port#`. |
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* |
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* @package s2Member\SSL |
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* @since 3.5 |
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* |
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* @attaches-to ``add_action('init');`` |
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* @also-attaches-to ``add_action('wp');`` |
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* |
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* @param array $vars From: ``c_ws_plugin__s2member_ssl::check_force_ssl()``. |
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* |
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* @return null Possibly exiting script execution after redirection to SSL variation. |
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* |
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* @todo Cleanup this routine and convert callback functions to static class methods? |
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*/ |
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public static function force_ssl($vars = array()) // Phase 2 of ``c_ws_plugin__s2member_ssl::check_force_ssl()``. |
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{ |
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/** |
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* @var string $s2_ssl_gv Extracted variable. |
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* @var string|integer|mixed $force_ssl Extracted variable. |
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*/ |
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extract($vars); // From: ``c_ws_plugin__s2member_ssl::check_force_ssl()``. |
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|
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$force_ssl = !is_string($force_ssl) ? (string)(int)$force_ssl : $force_ssl; |
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$force_ssl = is_numeric($force_ssl) && $force_ssl > 1 ? $force_ssl : 'yes'; |
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|
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$ssl_host = preg_replace('/\:[0-9]+$/', '', $_SERVER['HTTP_HOST']); |
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$ssl_port = (is_numeric($force_ssl) && $force_ssl > 1) ? $force_ssl : FALSE; |
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$ssl_host_port = $ssl_host.(($ssl_port) ? ':'.$ssl_port : ''); |
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|
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if(!is_ssl() || !isset($_GET[$s2_ssl_gv])) |
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{ |
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$https = 'https://'.$ssl_host_port.$_SERVER['REQUEST_URI']; |
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$https_with_s2_ssl_gv = add_query_arg($s2_ssl_gv, urlencode($force_ssl), $https); |
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wp_redirect($https_with_s2_ssl_gv).exit(); |
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} |
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else // Otherwise, we buffer all output, and switch all content over to `https`. |
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// Assume here that other links on the site should NOT be converted to `https`. |
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{ |
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add_filter('redirect_canonical', '__return_false'); |
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|
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define('_ws_plugin__s2member_force_ssl_host', $ssl_host); |
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define('_ws_plugin__s2member_force_ssl_port', $ssl_port); |
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define('_ws_plugin__s2member_force_ssl_host_port', $ssl_host_port); |
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|
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// Filter these. Do NOT create a sitewide conversion to `https`. |
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add_filter('home_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 3); |
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add_filter('network_home_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 3); |
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|
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// Filter these. Do NOT create a sitewide conversion to `https`. |
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add_filter('site_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 3); |
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add_filter('network_site_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 3); |
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|
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// Filter these. Do NOT create a sitewide conversion to `https`. |
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// Note: these are necessary because these underlying functions create URLs in bits and pieces. |
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// Thus, in order to properly detect static file extensions we need to look at these values also. |
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add_filter('plugins_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 2); |
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add_filter('content_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 2); |
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add_filter('includes_url', '_ws_plugin__s2member_maybe_force_non_ssl_scheme', 10, 2); |
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|
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// Now we create various callback functions associated with SSL and non-SSL buffering. |
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if(!function_exists('_ws_plugin__s2member_force_ssl_buffer_callback')) |
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{ |
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function _ws_plugin__s2member_force_ssl_buffer_callback($m = array()) |
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{ |
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$s = preg_replace('/http\:\/\//i', 'https://', $m[0]); |
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|
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if(_ws_plugin__s2member_force_ssl_host && _ws_plugin__s2member_force_ssl_port && _ws_plugin__s2member_force_ssl_host_port) |
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$s = preg_replace('/(?:https?\:)?\/\/'.preg_quote(_ws_plugin__s2member_force_ssl_host, '/').'(?:\:[0-9]+)?/i', 'https://'._ws_plugin__s2member_force_ssl_host_port, $s); |
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|
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$s = strtolower($m[1]) === 'link' && preg_match('/(["\'])(?:alternate|profile|pingback|EditURI|wlwmanifest|prev|next)\\1/i', $m[0]) ? $m[0] : $s; |
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|
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return $s; // Return string with conversions. |
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} |
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} |
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if(!function_exists('_ws_plugin__s2member_force_non_ssl_buffer_callback')) |
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{ |
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function _ws_plugin__s2member_force_non_ssl_buffer_callback($m = array()) |
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{ |
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$s = $m[0]; // Initialize the `$s` variable. |
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|
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if(stripos($s, 's2member_file_download') !== false || stripos($s, 's2member-files') !== false) |
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return $s; // See: <https://github.com/websharks/s2member/issues/702> |
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|
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$s = preg_replace('/(?:https?\:)?\/\/'.preg_quote(_ws_plugin__s2member_force_ssl_host_port, '/').'/i', 'http://'._ws_plugin__s2member_force_ssl_host, $s); |
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$s = preg_replace('/(?:https?\:)?\/\/'.preg_quote(_ws_plugin__s2member_force_ssl_host, '/').'/i', 'http://'._ws_plugin__s2member_force_ssl_host, $s); |
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|
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return $s; // Return string with conversions. |
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} |
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} |
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if(!function_exists('_ws_plugin__s2member_maybe_force_non_ssl_scheme')) |
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{ |
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function _ws_plugin__s2member_maybe_force_non_ssl_scheme($url = '', $path = '', $scheme = null) |
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{ |
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static $static_file_extensions; // Cache of static file extensions. |
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if(!isset($static_file_extensions)) // Cached this yet? |
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{ |
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$wp_media_library_extensions = array_keys(wp_get_mime_types()); |
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$wp_media_library_extensions = explode('|', strtolower(implode('|', $wp_media_library_extensions))); |
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$static_file_extensions = array_unique(array_merge($wp_media_library_extensions, array('eot', 'ttf', 'otf', 'woff'))); |
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} |
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if($scheme === 'relative') // e.g. `/root/relative/path.ext` |
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return $url; // Nothing to do in this case. |
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|
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if(!in_array($scheme, array('http', 'https'), TRUE)) // If NOT explicit. |
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{ |
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if(($scheme === 'login_post' || $scheme === 'rpc') && (force_ssl_login() || force_ssl_admin())) |
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$scheme = 'https'; // Use an SSL scheme in this case. |
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|
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else if(($scheme === 'login' || $scheme === 'admin') && force_ssl_admin()) |
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$scheme = 'https'; // Use an SSL scheme in this case. |
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|
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else if($url && ($url_path = @parse_url($url, PHP_URL_PATH)) && $url_path !== '/' |
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&& ($url_ext = strtolower(ltrim((string) strrchr(basename($url_path), '.'), '.'))) |
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&& in_array($url_ext, $static_file_extensions, true) // Static resource? |
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) $scheme = 'https'; // Use an SSL scheme in this case. |
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|
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else $scheme = 'http'; // Default to non-SSL: `http`. |
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} |
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return preg_replace('/^(?:https?\:)?\/\//i', $scheme.'://', $url); |
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} |
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} |
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if(!function_exists('_ws_plugin__s2member_force_ssl_buffer')) |
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{ |
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function _ws_plugin__s2member_force_ssl_buffer($buffer = '') |
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{ |
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$o_pcre = @ini_get('pcre.backtrack_limit'); // Record existing backtrack limit. |
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@ini_set('pcre.backtrack_limit', 10000000); // Increase PCRE backtrack limit for this routine. |
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|
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$ssl_entire_tags = array_unique(array_map('strtolower', apply_filters('_ws_plugin__s2member_force_ssl_buffer_entire_tags', array('script', 'style', 'iframe', 'object', 'embed', 'video'), get_defined_vars()))); |
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$non_ssl_entire_tags = array_unique(array_map('strtolower', apply_filters('_ws_plugin__s2member_force_non_ssl_buffer_entire_tags', array(), get_defined_vars()))); |
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|
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$ssl_attr_only_tags = array_unique(array_diff(array_map('strtolower', apply_filters('_ws_plugin__s2member_force_ssl_buffer_attr_only_tags', array('link', 'img', 'form', 'input'), get_defined_vars())), $ssl_entire_tags)); |
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$non_ssl_attr_only_tags = array_unique(array_diff(array_map('strtolower', apply_filters('_ws_plugin__s2member_force_non_ssl_buffer_attr_only_tags', array('a'), get_defined_vars())), $non_ssl_entire_tags)); |
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|
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$buffer = $ssl_entire_tags ? preg_replace_callback('/\<('.implode('|', c_ws_plugin__s2member_utils_strings::preg_quote_deep($ssl_entire_tags, '/')).')(?![a-z_0-9\-])[^\>]*?\>.*?\<\/\\1\>/is', '_ws_plugin__s2member_force_ssl_buffer_callback', $buffer) : $buffer; |
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$buffer = $ssl_attr_only_tags ? preg_replace_callback('/\<('.implode('|', c_ws_plugin__s2member_utils_strings::preg_quote_deep($ssl_attr_only_tags, '/')).')(?![a-z_0-9\-])[^\>]+?\>/i', '_ws_plugin__s2member_force_ssl_buffer_callback', $buffer) : $buffer; |
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|
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$buffer = $non_ssl_entire_tags ? preg_replace_callback('/\<('.implode('|', c_ws_plugin__s2member_utils_strings::preg_quote_deep($non_ssl_entire_tags, '/')).')(?![a-z_0-9\-])[^\>]*?\>.*?\<\/\\1\>/is', '_ws_plugin__s2member_force_non_ssl_buffer_callback', $buffer) : $buffer; |
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$buffer = $non_ssl_attr_only_tags ? preg_replace_callback('/\<('.implode('|', c_ws_plugin__s2member_utils_strings::preg_quote_deep($non_ssl_attr_only_tags, '/')).')(?![a-z_0-9\-])[^\>]+?\>/i', '_ws_plugin__s2member_force_non_ssl_buffer_callback', $buffer) : $buffer; |
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|
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@ini_set('pcre.backtrack_limit', $o_pcre); // Restore original PCRE backtrack limit. This just keeps things tidy; probably NOT necessary. |
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|
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return apply_filters('_ws_plugin__s2member_force_ssl_buffer', $buffer, get_defined_vars()); |
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} |
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} |
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ob_start('_ws_plugin__s2member_force_ssl_buffer'); |
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} |
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} |
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} |
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} |
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|
