/** * Writes directives to WP .htaccess / nginx.conf * returns true if modifications has been made */ private function rules_core_add($config, $exs) { $path = Util_Rule::get_pgcache_rules_core_path(); if ($path === false) { return; } $original_data = @file_get_contents($path); if ($original_data === false) { $original_data = ''; } $data = $original_data; if ($has_wpsc = Util_Rule::has_rules($data, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC)) { $data = Util_Rule::erase_rules($data, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC); } $rules = $this->rules_core_generate($config); $rules_missing = strstr(Util_Rule::clean_rules($data), Util_Rule::clean_rules($rules)) === false; if (!$has_wpsc && !$rules_missing) { return; } // modification of file not required $replace_start = strpos($data, W3TC_MARKER_BEGIN_PGCACHE_CORE); $replace_end = strpos($data, W3TC_MARKER_END_PGCACHE_CORE); if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) { $replace_length = $replace_end - $replace_start + strlen(W3TC_MARKER_END_PGCACHE_CORE) + 1; } else { $replace_start = false; $replace_length = 0; $search = array(W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0, W3TC_MARKER_BEGIN_WORDPRESS => 0, W3TC_MARKER_END_MINIFY_CORE => strlen(W3TC_MARKER_END_MINIFY_CORE) + 1, W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen(W3TC_MARKER_END_BROWSERCACHE_CACHE) + 1, W3TC_MARKER_END_PGCACHE_CACHE => strlen(W3TC_MARKER_END_PGCACHE_CACHE) + 1, W3TC_MARKER_END_MINIFY_CACHE => strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1); foreach ($search as $string => $length) { $replace_start = strpos($data, $string); if ($replace_start !== false) { $replace_start += $length; break; } } } if ($replace_start !== false) { $data = Util_Rule::trim_rules(substr_replace($data, $rules, $replace_start, $replace_length)); } else { $data = Util_Rule::trim_rules($data . $rules); } try { Util_WpFile::write_to_file($path, $data); } catch (Util_WpFile_FilesystemOperationException $ex) { if ($has_wpsc) { $exs->push(new Util_WpFile_FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and remove all lines between and including <strong>%s</strong> and <strong>%s</strong> markers.', 'w3-total-cache'), $path, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC), $path)); } if ($rules_missing) { if (strpos($data, W3TC_MARKER_BEGIN_PGCACHE_CORE) !== false) { $exs->push(new Util_WpFile_FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and replace all lines between and including <strong>%s</strong> and <strong>%s</strong> markers with:', 'w3-total-cache'), $path, W3TC_MARKER_BEGIN_PGCACHE_CORE, W3TC_MARKER_END_PGCACHE_CORE), $path, $rules)); } else { $exs->push(new Util_WpFile_FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and add the following rules above the WordPress directives:'), $path), $path, $rules)); } } return; } Util_Rule::after_rules_modified(); }
/** * * * @param Util_Environment_Exceptions $exs * @param string $path * @param string $rules * @param string $start * @param string $end * @param array $order */ public static function add_rules($exs, $path, $rules, $start, $end, $order) { if (empty($path)) { return; } $data = @file_get_contents($path); if ($data === false) { $data = ''; } $rules_missing = !empty($rules) && strstr(Util_Rule::clean_rules($data), Util_Rule::clean_rules($rules)) === false; if (!$rules_missing) { return; } $replace_start = strpos($data, $start); $replace_end = strpos($data, $end); if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) { $replace_length = $replace_end - $replace_start + strlen($end) + 1; } else { $replace_start = false; $replace_length = 0; $search = $order; foreach ($search as $string => $length) { $replace_start = strpos($data, $string); if ($replace_start !== false) { $replace_start += $length; break; } } } if ($replace_start !== false) { $data = Util_Rule::trim_rules(substr_replace($data, $rules, $replace_start, $replace_length)); } else { $data = Util_Rule::trim_rules($data . $rules); } if (strpos($path, W3TC_CACHE_DIR) === false || Util_Environment::is_nginx()) { try { Util_WpFile::write_to_file($path, $data); } catch (Util_WpFile_FilesystemOperationException $ex) { if ($replace_start !== false) { $exs->push(new Util_WpFile_FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s </strong> and replace all lines between and including <strong>%s</strong> and <strong>%s</strong> markers with:', 'w3-total-caceh'), $path, $start, $end), $path, $rules)); } else { $exs->push(new Util_WpFile_FilesystemModifyException($ex->getMessage(), $ex->credentials_form(), sprintf(__('Edit file <strong>%s</strong> and add the following rules above the WordPress directives:', 'w3-total-cache'), $path), $path, $rules)); } return; } } else { if (!@file_exists(dirname($path))) { Util_File::mkdir_from(dirname($path), W3TC_CACHE_DIR); } if (!@file_put_contents($path, $data)) { try { Util_WpFile::delete_folder(dirname($path), '', $_SERVER['REQUEST_URI']); } catch (Util_WpFile_FilesystemOperationException $ex) { $exs->push($ex); return; } } } Util_Rule::after_rules_modified(); }