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<?php |
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// @codingStandardsIgnoreFile |
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/** |
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* s2Member-only utilities. |
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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\Utilities |
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* @since 110912 |
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*/ |
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if(!class_exists('c_ws_plugin__s2member_utils_s2o')) |
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{ |
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/** |
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* s2Member-only utilities. |
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* |
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* @package s2Member\Utilities |
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* @since 110912 |
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*/ |
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class c_ws_plugin__s2member_utils_s2o |
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{ |
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/** |
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* WordPress directory. |
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* |
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* @package s2Member\Utilities |
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* @since 110912 |
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* |
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* @param string $starting_dir A directory to start searching from. |
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* @param string $alt_starting_dir An alternate directory to search from. |
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* |
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* @return string|null WordPress directory, else exits script execution on failure. |
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*/ |
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public static function wp_dir($starting_dir = '', $alt_starting_dir = '') |
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{ |
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if(!empty($_SERVER['WP_DIR'])) |
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return (string)$_SERVER['WP_DIR']; |
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|
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foreach(array($starting_dir, $alt_starting_dir, $_SERVER['DOCUMENT_ROOT']) as $_directory) |
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if($_directory && is_string($_directory) && is_dir($_directory)) |
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for($_i = 0, $_dir = $_directory; $_i <= 20; $_i++, $_dir = dirname($_dir)) |
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if(file_exists($_dir.'/wp-settings.php')) |
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return ($wp_dir = $_dir); |
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|
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header('HTTP/1.0 500 Error'); |
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header('Content-Type: text/plain; charset=UTF-8'); |
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|
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while(@ob_end_clean()) ; // Clean any existing output buffers. |
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exit ('ERROR: s2Member unable to locate WordPress directory.'); |
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} |
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|
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/** |
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* WordPress settings, after ``SHORTINIT`` section. |
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* |
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* @package s2Member\Utilities |
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* @since 110912 |
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* |
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* @param string $wp_dir WordPress directory path. |
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* @param string $o_file Location of calling `*-o.php` file. |
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* |
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* @return string|bool WordPress settings, else false on failure. |
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*/ |
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public static function wp_settings_as($wp_dir = '', $o_file = '') |
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{ |
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if($wp_dir && is_dir($wp_dir) && is_readable($wp_settings = $wp_dir.'/wp-settings.php') && $o_file && is_file($o_file) && ($_wp_settings = trim(file_get_contents($wp_settings)))) |
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{ |
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$wp_shortinit_section = '/if\s*\(\s*SHORTINIT\s*\)['."\r\n\t".'\s]*\{?['."\r\n\t".'\s]*return\s+false;['."\r\n\t".'\s]*\}?['."\r\n\t".'\s]*/'; // Run ``preg_match()`` to confirm existence. |
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if(preg_match($wp_shortinit_section, $_wp_settings) && ($_wp_settings_parts = preg_split($wp_shortinit_section, $_wp_settings, 2)) && ($_wp_settings = trim($_wp_settings_parts[1])) && ($_wp_settings = '<?php'."\n".$_wp_settings)) |
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{ |
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if(($_wp_settings = str_replace('__FILE__', "'".str_replace("'", "'", $wp_settings)."'", $_wp_settings))) // Eval compatible. Hard-code the ``__FILE__`` location here. |
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{ |
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//260903.2216 Match stable loader boundaries instead of exact loop bodies; WordPress 5.1+ adds per-plugin hooks and later releases add more statements inside these loops. |
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$mu_plugins_section = '/\s+foreach\s*\(\s*wp_get_mu_plugins\s*\(\s*\)\s*as\s*\$mu_plugin\s*\)\s*\{.*?\}\s*unset\s*\(\s*\$mu_plugin(?:\s*,[^)]*)?\s*\)\s*;/s'; |
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$mu_plugins_replace = "\n\n".c_ws_plugin__s2member_utils_s2o::esc_ds(trim(c_ws_plugin__s2member_utils_s2o::evl(file_get_contents(dirname(dirname(__FILE__)).'/templates/cfg-files/s2o-mu-plugins.php'))))."\n"; |
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if(($_wp_settings = preg_replace($mu_plugins_section, $mu_plugins_replace, $_wp_settings, 1, $mu_plugins_replaced)) && $mu_plugins_replaced) |
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{ |
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//260903.2216 Keep the network-plugin replacement tolerant of WordPress statements added between the loader's stable foreach/unset boundaries. |
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$nw_plugins_section = '/\s+foreach\s*\(\s*wp_get_active_network_plugins\s*\(\s*\)\s*as\s*\$network_plugin\s*\)\s*\{.*?\}\s*unset\s*\(\s*\$network_plugin(?:\s*,[^)]*)?\s*\)\s*;/s'; |
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$nw_plugins_replace = "\n\n".c_ws_plugin__s2member_utils_s2o::esc_ds(trim(c_ws_plugin__s2member_utils_s2o::evl(file_get_contents(dirname(dirname(__FILE__)).'/templates/cfg-files/s2o-nw-plugins.php'))))."\n"; |
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if(($_wp_settings = preg_replace($nw_plugins_section, $nw_plugins_replace, $_wp_settings, 1, $nw_plugins_replaced)) && $nw_plugins_replaced) |
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{ |
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//260903.2216 Keep the active-plugin replacement tolerant of metadata, translation, and plugin-loaded bookkeeping added by newer WordPress releases. |
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$st_plugins_section = '/\s+foreach\s*\(\s*wp_get_active_and_valid_plugins\s*\(\s*\)\s*as\s*\$plugin\s*\)\s*\{.*?\}\s*unset\s*\(\s*\$plugin(?:\s*,[^)]*)?\s*\)\s*;/s'; |
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$st_plugins_replace = "\n\n".c_ws_plugin__s2member_utils_s2o::esc_ds(trim(c_ws_plugin__s2member_utils_s2o::evl(file_get_contents(dirname(dirname(__FILE__)).'/templates/cfg-files/s2o-st-plugins.php'))))."\n"; |
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if(($_wp_settings = preg_replace($st_plugins_section, $st_plugins_replace, $_wp_settings, 1, $st_plugins_replaced)) && $st_plugins_replaced) |
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{ |
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//260903.2302 Support all declared WordPress 4.2+ theme-loader forms: WP_INSTALLING through 4.3, wp_installing() in 4.4–5.0, and wp_get_active_and_valid_themes() from 5.1 onward. |
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$th_funcs_section = '/(?:\s+if\s*\(\s*!\s*(?:defined\s*\(\s*[\'"]WP_INSTALLING[\'"]\s*\)|wp_installing\s*\(\s*\))\s*\|\|\s*[\'"]wp\-activate\.php[\'"]\s*\=\=\=\s*\$pagenow\s*\)\s*\{.*?\}\s*(?=\/\*\*)|\s+foreach\s*\(\s*wp_get_active_and_valid_themes\s*\(\s*\)\s*as\s*\$theme\s*\)\s*\{.*?\}\s*unset\s*\(\s*\$theme(?:\s*,[^)]*)?\s*\)\s*;)/s'; |
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$th_funcs_replace = "\n\n".c_ws_plugin__s2member_utils_s2o::esc_ds(trim(c_ws_plugin__s2member_utils_s2o::evl(file_get_contents(dirname(dirname(__FILE__)).'/templates/cfg-files/s2o-th-funcs.php'))))."\n"; |
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if(($_wp_settings = preg_replace($th_funcs_section, $th_funcs_replace, $_wp_settings, 1, $th_funcs_replaced)) && $th_funcs_replaced) |
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{ |
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if(($_wp_settings = str_replace('__FILE__', '"'.str_replace('"', '\"', $o_file).'"', $_wp_settings))) // Eval compatible. |
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{ |
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if(($_wp_settings = trim($_wp_settings))) // WordPress, with s2Member only. |
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return ($wp_settings_as = $_wp_settings); // After ``SHORTINIT``. |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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return FALSE; |
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} |
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|
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/** |
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* Escapes dollars signs (for regex patterns). |
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* |
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* @package s2Member\Utilities |
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* @since 110917 |
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* |
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* @param string $string Input string. |
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* @param int $times Mumber of escapes. Defaults to 1. |
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* |
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* @return string Output string after dollar signs are escaped. |
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*/ |
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public static function esc_ds($string = '', $times = 0) |
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{ |
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$times = is_numeric($times) && $times >= 0 ? (int)$times : 1; |
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return str_replace('$', str_repeat('\\', $times).'$', (string)$string); |
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} |
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|
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/** |
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* Evaluates PHP code, and 'returns' output. |
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* |
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* @package s2Member\Utilities |
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* @since 110917 |
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* |
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* @param string $code A string of data, possibly with embedded PHP code. |
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* |
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* @return string Output after PHP evaluation. |
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*/ |
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public static function evl($code = '') |
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{ |
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ob_start(); // Output buffer. |
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|
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eval ('?>'.trim($code)); |
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|
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return ob_get_clean(); |
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} |
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} |
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} |
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|
