/templates/default/.xet * * @link https://www.egroupware.org * @author Ralf Becker * @package api * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License */ use EGroupware\Api; // add et2- prefix to following widgets/tags const ADD_ET2_PREFIX_REGEXP = '#<((/?)([vh]?box|textbox|textarea|button|colorpicker|description|url(-email|-phone|-fax)?))(/?|\s[^>]*)>#m'; const ADD_ET2_PREFIX_LAST_GROUP = 5; // switch evtl. set output-compression off, as we cant calculate a Content-Length header with transparent compression ini_set('zlib.output_compression', 0); $GLOBALS['egw_info'] = array( 'flags' => array( 'currentapp' => 'api', 'noheader' => true, // miss-use session creation callback to send the template, in case we have no session 'autocreate_session_callback' => 'send_template', 'nocachecontrol' => true, ) ); $start = microtime(true); include '../header.inc.php'; send_template(); function send_template() { $header_include = microtime(true); // release session, as we don't need it and it blocks parallel requests $GLOBALS['egw']->session->commit_session(); header('Content-Type: application/xml; charset=UTF-8'); //$path = EGW_SERVER_ROOT.$_SERVER['PATH_INFO']; // check for customized template in VFS list(, $app, , $template, $name) = explode('/', $_SERVER['PATH_INFO']); $path = Api\Etemplate::rel2path(Api\Etemplate::relPath($app . '.' . basename($name, '.xet'), $template)); if(empty($path) || !file_exists($path) || !is_readable($path)) { http_response_code(404); exit; } /* disable caching for now, as you need to delete the cache, once you change ADD_ET2_PREFIX_REGEXP $cache = $GLOBALS['egw_info']['server']['temp_dir'].'/egw_cache/eT2-Cache-'.$GLOBALS['egw_info']['server']['install_id'].$_SERVER['PATH_INFO']; if (file_exists($cache) && filemtime($cache) > filemtime($path) && ($str = file_get_contents($cache)) !== false) { $cache_read = microtime(true); } else*/ if(($str = file_get_contents($path)) !== false && // eTemplate marked as legacy, return unchanged template without web-components / et2-prefix !preg_match('/]* legacy="true"/', $str)) { // fix --> $str = preg_replace('#]*)>[\r\n\s]*]+>)[\r\n\s]*#', ']+)(-[^ ]+)?[^>]* (options="([^"]+)")[ />]#', static function($matches) { // take care of (static) type attribute, if used if (preg_match('/ type="([a-z-]+)"/', $matches[0], $type)) { str_replace('<'.$matches[1].$matches[2], '<'.$type[1], $matches[0]); str_replace($type[0], '', $matches[0]); list($matches[1], $matches[2]) = explode('-', $type[1], 2); } static $legacy_options = array( // use "ignore" to ignore further comma-sep. values, otherwise they are all in last attribute 'select' => 'empty_label,ignore', 'box' => ',cellpadding,cellspacing,keep', 'hbox' => 'cellpadding,cellspacing,keep', 'vbox' => 'cellpadding,cellspacing,keep', 'groupbox' => 'cellpadding,cellspacing,keep', 'checkbox' => 'selected_value,unselected_value,ro_true,ro_false', 'radio' => 'set_value,ro_true,ro_false', 'customfields' => 'sub-type,use-private,field-names', 'date' => 'data_format,ignore', // Legacy option "mode" was never implemented in et2 'description' => 'bold-italic,link,activate_links,label_for,link_target,link_popup_size,link_title', ); // prefer more specific type-subtype over just type $names = $legacy_options[$matches[1].$matches[2]] ?? $legacy_options[$matches[1]] ?? null; if (isset($names)) { $names = explode(',', $names); $values = Api\Etemplate\Widget::csv_split($matches[4], count($names)); if (count($values) < count($names)) { $values = array_merge($values, array_fill(count($values), count($names)-count($values), '')); } $attrs = array_diff(array_combine($names, $values), ['', null]); unset($attrs['ignore']); // fix select options can be either multiple or empty_label if ($matches[1] === 'select' && !empty($attrs['empty_label']) && (int)$attrs['empty_label'] > 0) { $attrs['multiple'] = (int)$attrs['empty_label']; unset($matches['empty_label']); } $options = ''; foreach($attrs as $attr => $value) { $options .= $attr.'="'.$value.'" '; } return str_replace($matches[3], $options, $matches[0]); } return $matches[0]; }, $str); // fix deprecated attributes: needed, blur, ... static $deprecated = [ 'needed' => 'required', 'blur' => 'placeholder', ]; $str = preg_replace_callback('#<[^ ]+[^>]* ('.implode('|', array_keys($deprecated)).')="([^"]+)"[ />]#', static function($matches) use ($deprecated) { return str_replace($matches[1].'="', $deprecated[$matches[1]].'="', $matches[0]); }, $str); // fix --> (et2-prefix and self-closing is handled below) $str = preg_replace('#<textbox(.*?)\smultiline="true"(.*?)/>#u', '<textarea$1$2/>', $str); // fix <(textbox|int(eger)?|float) precision="int(eger)?|float" .../> --> <et2-number precision=...></et2-number> $str = preg_replace_callback('#<(textbox|int(eger)?|float|number).*?\s(type="(int(eger)?|float)")?.*?/>#u', static function($matches) { if ($matches[1] === 'textbox' && !in_array($matches[4], ['float', 'int', 'integer'], true)) { return $matches[0]; // regular textbox --> nothing to do } $type = $matches[1] === 'float' || $matches[4] === 'float' ? 'float' : 'int'; $tag = str_replace('<'.$matches[1], '<et2-number', substr($matches[0], 0, -2)); if (!empty($matches[3])) $tag = str_replace($matches[3], '', $tag); if ($type !== 'float') $tag .= ' precision="0"'; return $tag.'></et2-number>'; }, $str); // fix <buttononly.../> --> <button type="buttononly".../> $str = preg_replace('#<buttononly\s(.*?)/>#u', '<button type="buttononly" $1/>', $str); $str = preg_replace_callback(ADD_ET2_PREFIX_REGEXP, static function (array $matches) { return '<' . $matches[2] . 'et2-' . $matches[3] . // web-components must not be self-closing (no "<et2-button .../>", but "<et2-button ...></et2-button>") (substr($matches[ADD_ET2_PREFIX_LAST_GROUP], -1) === '/' ? substr($matches[ADD_ET2_PREFIX_LAST_GROUP], 0, -1) . '></et2-' . $matches[3] : $matches[ADD_ET2_PREFIX_LAST_GROUP]) . '>'; }, $str); // handling of date and partially implemented select widget (no search or tags attribute), incl. removing of type attribute $str = preg_replace_callback('#<(select|date)(-[^ ]+)? ([^>]+)/>#', static function (array $matches) { preg_match_all('/(^| )([a-z0-9_-]+)="([^"]+)"/', $matches[3], $attrs, PREG_PATTERN_ORDER); $attrs = array_combine($attrs[2], $attrs[3]); // add et2-prefix for <date-* and <select-* without search or tags attribute if ($matches[1] === 'date' || $matches[1] === 'select' && !isset($attrs['search']) && !isset($attrs['tags'])) { // type attribute need to go in widget type <select type="select-account" --> <et2-select-account if (empty($matches[2]) && isset($attrs['type'])) { $matches[1] = $attrs['type']; $matches[3] = str_replace('type="'.$attrs['type'].'"', '', $matches[3]); } return '<et2-'.$matches[1].$matches[2].' '.$matches[3].'></et2-'.$matches[1].$matches[2].'>'; } return $matches[0]; }, $str); $processing = microtime(true); if(isset($cache) && (file_exists($cache_dir = dirname($cache)) || mkdir($cache_dir, 0755, true))) { file_put_contents($cache, $str); } } // stop here for not existing file path-traversal for both file and cache here if(empty($str) || strpos($path, '..') !== false) { http_response_code(404); exit; } // headers to allow caching, egw_framework specifies etag on url to force reload, even with Expires header Api\Session::cache_control(86400); // cache for one day $etag = '"' . md5($str) . '"'; Header('ETag: ' . $etag); // if servers send a If-None-Match header, response with 304 Not Modified, if etag matches if(isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] === $etag) { header("HTTP/1.1 304 Not Modified"); exit; } // we run our own gzip compression, to set a correct Content-Length of the encoded content if(function_exists('gzencode') && in_array('gzip', explode(',', $_SERVER['HTTP_ACCEPT_ENCODING']), true)) { $gzip_start = microtime(true); $str = gzencode($str); header('Content-Encoding: gzip'); $gziping = microtime(true) - $gzip_start; } header('X-Timing: header-include=' . number_format($header_include - $GLOBALS['start'], 3) . (empty($processing) ? ', cache-read=' . number_format($cache_read - $header_include, 3) : ', processing=' . number_format($processing - $header_include, 3)) . (!empty($gziping) ? ', gziping=' . number_format($gziping, 3) : '') . ', total=' . number_format(microtime(true) - $GLOBALS['start'], 3) ); // Content-Length header is important, otherwise browsers dont cache! Header('Content-Length: ' . bytes($str)); echo $str; exit; // stop further processing eg. redirect to login }