" . nl2br(htmlspecialchars($details, ENT_QUOTES, 'UTF-8')) . "
"; } echo "Please install the missing PHP requirements or restore the referenced configuration file, then reload this page.
"; echo ""; exit; } } if (!function_exists('ogp_render_missing_xml_extensions')) { function ogp_render_missing_xml_extensions($missing_extensions) { $pretty = implode(', ', $missing_extensions); $details = "Missing PHP extension(s): {$pretty}\n" . "Install the php-xml package and restart Apache/PHP-FPM.\n" . "Debian/Ubuntu: sudo apt install php-xml\n" . "RHEL/CentOS: sudo dnf install php-xml"; ogp_render_config_error("Required PHP XML extensions are not available.", $details); } } if (!function_exists('ogp_format_libxml_errors')) { function ogp_format_libxml_errors() { $errors = libxml_get_errors(); if (empty($errors)) { return "No additional libxml details are available."; } $messages = array(); foreach ((array)$errors as $error) { $messages[] = trim($error->message) . " (Line {$error->line}, Column {$error->column})"; } libxml_clear_errors(); return implode("\n", $messages); } } if (!function_exists('ogp_ensure_xml_support')) { function ogp_ensure_xml_support() { static $checked = false; if ($checked) { return; } $missing = array(); if (!extension_loaded('libxml')) { $missing[] = 'libxml'; } if (!class_exists('DOMDocument')) { $missing[] = 'dom'; } if (!function_exists('simplexml_load_file')) { $missing[] = 'simplexml'; } if (!empty($missing)) { ogp_render_missing_xml_extensions($missing); } $checked = true; } } /// \return FALSE in case of failure in parsing. /// \return array containing the elements on success. function read_server_config( $filename ) { ogp_ensure_xml_support(); if (!is_readable($filename)) { ogp_render_config_error( "Game configuration file is missing or unreadable.", "Expected at: {$filename}" ); } $previous_error_state = libxml_use_internal_errors(true); $dom = new DOMDocument(); if ($dom->load($filename) === FALSE) { ogp_render_config_error( "Unable to load XML configuration.", "File: {$filename}\n".ogp_format_libxml_errors() ); } if ( $dom->schemaValidate(XML_SCHEMA) !== TRUE ) { ogp_render_config_error( "XML configuration failed schema validation.", "File: {$filename}\nSchema: ".XML_SCHEMA."\n".ogp_format_libxml_errors() ); } $xml = simplexml_import_dom($dom); if($xml === false){ ogp_render_config_error( "Failed to parse XML configuration.", "File: {$filename}\n".ogp_format_libxml_errors() ); } $xml->addChild('home_cfg_file',basename($filename)); libxml_use_internal_errors($previous_error_state); return $xml; } function xml_get_mod( $server_xml, $mod_key ) { foreach ( $server_xml->mods->mod as $xml_mod_tmp ) { if ($xml_mod_tmp['key'] == $mod_key) { return $xml_mod_tmp; } } return FALSE; } ?>