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<?php |
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/************************************************************* |
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* |
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* helper.class.php |
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* |
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* Utility functions |
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* |
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* |
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* Copyright (c) 2011 Prelovac Media |
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* www.prelovac.com |
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**************************************************************/ |
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|
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class MMB_Helper |
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{ |
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/** |
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* A helper function to log data |
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* |
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* @param mixed $mixed |
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*/ |
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function _log($mixed) |
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{ |
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if (is_array($mixed)) { |
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$mixed = print_r($mixed, 1); |
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} else if (is_object($mixed)) { |
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ob_start(); |
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var_dump($mixed); |
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$mixed = ob_get_clean(); |
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} |
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|
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$handle = fopen(dirname(__FILE__) . '/log', 'a'); |
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fwrite($handle, $mixed . PHP_EOL); |
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fclose($handle); |
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} |
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|
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function _escape(&$array) |
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{ |
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global $wpdb; |
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|
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if (!is_array($array)) { |
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return ($wpdb->escape($array)); |
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} else { |
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foreach ((array) $array as $k => $v) { |
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if (is_array($v)) { |
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$this->_escape($array[$k]); |
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} else if (is_object($v)) { |
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//skip |
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} else { |
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$array[$k] = $wpdb->escape($v); |
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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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* Initializes the file system |
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* |
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*/ |
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function init_filesystem() |
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{ |
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global $wp_filesystem; |
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|
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if (!$wp_filesystem || !is_object($wp_filesystem)) { |
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WP_Filesystem(); |
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} |
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|
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if (!is_object($wp_filesystem)) |
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return FALSE; |
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|
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return TRUE; |
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} |
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|
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/** |
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* |
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* Check if function exists or not on `suhosin` black list |
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* |
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*/ |
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|
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function mmb_function_exists($function_callback){ |
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|
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if(!function_exists($function_callback)) |
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return false; |
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|
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if (extension_loaded('suhosin')) { |
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$suhosin = @ini_get("suhosin.executor.func.blacklist"); |
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if (empty($suhosin) == false) { |
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$suhosin = explode(',', $suhosin); |
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$blacklist = array_map('trim', $suhosin); |
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$blacklist = array_map('strtolower', $blacklist); |
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if(in_array($function_callback, $blacklist)) |
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return false; |
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} |
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} |
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return true; |
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} |
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|
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/** |
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* Gets transient based on WP version |
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* |
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* @global string $wp_version |
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* @param string $option_name |
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* @return mixed |
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*/ |
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|
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function mmb_set_transient($option_name = false, $data = false){ |
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|
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if (!$option_name || !$data) { |
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return false; |
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} |
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if($this->mmb_multisite) |
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return $this->mmb_set_sitemeta_transient($option_name, $data); |
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|
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global $wp_version; |
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|
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if (version_compare($wp_version, '2.7.9', '<=')) { |
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update_option($option_name, $data); |
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} else if (version_compare($wp_version, '2.9.9', '<=')) { |
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update_option('_transient_' . $option_name, $data); |
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} else { |
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update_option('_site_transient_' . $option_name, $data); |
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} |
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|
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} |
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function mmb_get_transient($option_name) |
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{ |
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if (trim($option_name) == '') { |
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return FALSE; |
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} |
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if($this->mmb_multisite) |
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return $this->mmb_get_sitemeta_transient($option_name); |
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|
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global $wp_version; |
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|
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|
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if (version_compare($wp_version, '2.7.9', '<=')) { |
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return get_option($option_name); |
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} else if (version_compare($wp_version, '2.9.9', '<=')) { |
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return get_option('_transient_' . $option_name); |
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} else { |
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return get_option('_site_transient_' . $option_name); |
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} |
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} |
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|
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function mmb_delete_transient($option_name) |
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{ |
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if (trim($option_name) == '') { |
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return FALSE; |
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} |
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|
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global $wp_version; |
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|
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if (version_compare($wp_version, '2.7.9', '<=')) { |
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delete_option($option_name); |
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} else if (version_compare($wp_version, '2.9.9', '<=')) { |
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delete_option('_transient_' . $option_name); |
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} else { |
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delete_option('_site_transient_' . $option_name); |
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} |
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} |
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|
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function mmb_get_sitemeta_transient($option_name){ |
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global $wpdb; |
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$option_name = '_site_transient_'. $option_name; |
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|
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$result = $wpdb->get_var( $wpdb->prepare("SELECT `meta_value` FROM `{$wpdb->sitemeta}` WHERE meta_key = '{$option_name}' AND `site_id` = '{$this->mmb_multisite}' ")); |
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$result = maybe_unserialize($result); |
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return $result; |
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} |
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|
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function mmb_set_sitemeta_transient($option_name, $option_value){ |
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global $wpdb; |
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$option_name = '_site_transient_'. $option_name; |
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|
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if($this->mmb_get_sitemeta_transient($option_name)){ |
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$result = $wpdb->update( $wpdb->sitemeta, |
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array( |
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'meta_value' => maybe_serialize($option_value) |
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), |
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array( |
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'meta_key' => $option_name, |
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'site_id' => $this->mmb_multisite |
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) |
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); |
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}else { |
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$result = $wpdb->insert( $wpdb->sitemeta, |
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array( |
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'meta_key' => $option_name, |
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'meta_value' => maybe_serialize($option_value), |
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'site_id' => $this->mmb_multisite |
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) |
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); |
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} |
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return $result; |
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} |
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|
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function delete_temp_dir($directory) |
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{ |
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if (substr($directory, -1) == "/") { |
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$directory = substr($directory, 0, -1); |
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} |
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if (!file_exists($directory) || !is_dir($directory)) { |
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return false; |
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} elseif (!is_readable($directory)) { |
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return false; |
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} else { |
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$directoryHandle = opendir($directory); |
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|
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while ($contents = readdir($directoryHandle)) { |
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if ($contents != '.' && $contents != '..') { |
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$path = $directory . "/" . $contents; |
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|
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if (is_dir($path)) { |
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$this->delete_temp_dir($path); |
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} else { |
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unlink($path); |
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} |
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} |
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} |
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closedir($directoryHandle); |
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rmdir($directory); |
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return true; |
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} |
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} |
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|
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function set_worker_message_id($message_id = false) |
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{ |
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if ($message_id) { |
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add_option('_action_message_id', $message_id) or update_option('_action_message_id', $message_id); |
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return $message_id; |
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} |
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return false; |
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} |
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|
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function get_worker_message_id() |
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{ |
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return (int) get_option('_action_message_id'); |
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} |
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|
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function set_master_public_key($public_key = false) |
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{ |
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if ($public_key && !get_option('_worker_public_key')) { |
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add_option('_worker_public_key', base64_encode($public_key)); |
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return true; |
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} |
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return false; |
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} |
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|
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function get_master_public_key() |
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{ |
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if (!get_option('_worker_public_key')) |
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return false; |
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return base64_decode(get_option('_worker_public_key')); |
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} |
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|
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|
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function get_random_signature() |
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{ |
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if (!get_option('_worker_nossl_key')) |
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return false; |
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return base64_decode(get_option('_worker_nossl_key')); |
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} |
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|
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function set_random_signature($random_key = false) |
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{ |
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if ($random_key && !get_option('_worker_nossl_key')) { |
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add_option('_worker_nossl_key', base64_encode($random_key)); |
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return true; |
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} |
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return false; |
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} |
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|
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|
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function authenticate_message($data = false, $signature = false, $message_id = false) |
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{ |
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if (!$data && !$signature) { |
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return array( |
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'error' => 'Authentication failed.' |
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); |
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} |
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|
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$current_message = $this->get_worker_message_id(); |
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|
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if ((int) $current_message > (int) $message_id) |
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return array( |
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'error' => 'Invalid message recieved. You can try to reinstall worker plugin and re-add the site to your account.' |
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); |
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|
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$pl_key = $this->get_master_public_key(); |
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if (!$pl_key) { |
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return array( |
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'error' => 'Authentication failed (public key). You can try to reinstall worker plugin and re-add the site to your account.' |
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); |
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} |
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|
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if (function_exists('openssl_verify') && !$this->get_random_signature()) { |
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$verify = openssl_verify($data, $signature, $pl_key); |
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if ($verify == 1) { |
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$message_id = $this->set_worker_message_id($message_id); |
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return true; |
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} else if ($verify == 0) { |
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return array( |
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'error' => 'Invalid message signature. You can try to reinstall worker plugin and re-add the site to your account.' |
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); |
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} else { |
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return array( |
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'error' => 'Command not successful! Please try again.' |
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); |
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} |
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} else if ($this->get_random_signature()) { |
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if (md5($data . $this->get_random_signature()) == $signature) { |
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$message_id = $this->set_worker_message_id($message_id); |
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return true; |
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} |
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return array( |
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'error' => 'Invalid message signature. You can try to reinstall the worker plugin and then re-add the site to your dashboard.' |
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); |
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} |
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// no rand key - deleted in get_stat maybe |
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else |
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return array( |
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'error' => 'Invalid message signature, try reinstalling worker plugin and re-adding the site to your dashboard.' |
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); |
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} |
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|
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function _secure_data($data = false){ |
| 325 |
if($data == false) |
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return false; |
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|
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$pl_key = $this->get_master_public_key(); |
| 329 |
if (!$pl_key) |
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return false; |
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|
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$secure = ''; |
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if( function_exists('openssl_public_decrypt') && !$this->get_random_signature()){ |
| 334 |
if(is_array($data) && !empty($data)){ |
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foreach($data as $input){ |
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openssl_public_decrypt($input, &$decrypted, $pl_key); |
| 337 |
$secure .= $decrypted; |
| 338 |
} |
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} else { |
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openssl_public_decrypt($input, &$decrypted, $pl_key); |
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$secure = $decrypted; |
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} |
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return $secure; |
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} |
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return false; |
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|
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} |
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|
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function check_if_user_exists($username = false) |
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{ |
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global $wpdb; |
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if ($username) { |
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require_once(ABSPATH . WPINC . '/registration.php'); |
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include_once(ABSPATH . 'wp-includes/pluggable.php'); |
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|
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if (username_exists($username) == null) { |
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return false; |
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} |
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$user = (array) get_userdatabylogin($username); |
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|
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if ($user[$wpdb->prefix . 'user_level'] == 10 || isset($user[$wpdb->prefix . 'capabilities']['administrator']) || |
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(isset($user['caps']['administrator']) && $user['caps']['administrator'] == 1)){ |
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define('MMB_USER_CAPABILITIES', $user->wp_user_level); |
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return true; |
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} |
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return false; |
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} |
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return false; |
| 369 |
} |
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|
| 371 |
function refresh_updates() |
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{ |
| 373 |
if (rand(1, 3) == '2') { |
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require_once(ABSPATH . WPINC . '/update.php'); |
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wp_update_plugins(); |
| 376 |
wp_update_themes(); |
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wp_version_check(); |
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} |
| 379 |
} |
| 380 |
|
| 381 |
function remove_http($url = '') |
| 382 |
{ |
| 383 |
if ($url == 'http://' OR $url == 'https://') { |
| 384 |
return $url; |
| 385 |
} |
| 386 |
return preg_replace('/^(http|https)\:\/\/(www.)?/i', '', $url); |
| 387 |
|
| 388 |
} |
| 389 |
|
| 390 |
function mmb_get_error($error_object) |
| 391 |
{ |
| 392 |
if (!is_wp_error($error_object)) { |
| 393 |
return $error_object != '' ? $error_object : ''; |
| 394 |
} else { |
| 395 |
$errors = array(); |
| 396 |
foreach ($error_object->error_data as $error_key => $error_string) { |
| 397 |
$errors[] = str_replace('_', ' ', ucfirst($error_key)) . ': ' . $error_string; |
| 398 |
} |
| 399 |
return implode('<br />', $errors); |
| 400 |
} |
| 401 |
} |
| 402 |
|
| 403 |
function is_server_writable(){ |
| 404 |
if((!defined('FTP_HOST') || !defined('FTP_USER') || !defined('FTP_PASS')) && (get_filesystem_method(array(), false) != 'direct')) |
| 405 |
return false; |
| 406 |
else |
| 407 |
return true; |
| 408 |
} |
| 409 |
|
| 410 |
function mmb_download_url($url, $file_name) |
| 411 |
{ |
| 412 |
if (function_exists('fopen') && function_exists('ini_get') && ini_get('allow_url_fopen') == true && ($destination = @fopen($file_name, 'wb')) && ($source = @fopen($url, "r")) ) { |
| 413 |
|
| 414 |
|
| 415 |
while ($a = @fread($source, 1024* 1024)) { |
| 416 |
@fwrite($destination, $a); |
| 417 |
} |
| 418 |
|
| 419 |
fclose($source); |
| 420 |
fclose($destination); |
| 421 |
} else |
| 422 |
if (!fsockopen_download($url, $file_name)) |
| 423 |
die('Error downloading file ' . $url); |
| 424 |
return $file_name; |
| 425 |
} |
| 426 |
|
| 427 |
} |
| 428 |
?> |
