From aad6e2a9c4857715c8bd56693d21b87dd0c16263 Mon Sep 17 00:00:00 2001 From: thomascube <thomas@roundcube.net> Date: Tue, 27 Mar 2007 05:34:30 -0400 Subject: [PATCH] New session authentication, should fix bugs #1483951 and #1484299; testing required --- program/include/main.inc | 365 ++++++++++++++++++++++++++++++++++++++------------- 1 files changed, 271 insertions(+), 94 deletions(-) diff --git a/program/include/main.inc b/program/include/main.inc index c084588..b6d995c 100644 --- a/program/include/main.inc +++ b/program/include/main.inc @@ -33,7 +33,7 @@ // register session and connect to server function rcmail_startup($task='mail') { - global $sess_id, $sess_auth, $sess_user_lang; + global $sess_id, $sess_user_lang; global $CONFIG, $INSTALL_PATH, $BROWSER, $OUTPUT, $_SESSION, $IMAP, $DB, $JS_OBJECT_NAME; // check client @@ -53,9 +53,8 @@ $DB->sqlite_initials = $INSTALL_PATH.'SQL/sqlite.initial.sql'; $DB->db_connect('w'); - // we can use the database for storing session data - if (!$DB->is_error()) - include_once('include/session.inc'); + // use database for storing session data + include_once('include/session.inc'); // init session session_start(); @@ -65,8 +64,8 @@ if (!isset($_SESSION['auth_time'])) { $_SESSION['user_lang'] = rcube_language_prop($CONFIG['locale_string']); - $_SESSION['auth_time'] = mktime(); - setcookie('sessauth', rcmail_auth_hash($sess_id, $_SESSION['auth_time'])); + $_SESSION['auth_time'] = time(); + $_SESSION['temp'] = true; } // set session vars global @@ -178,24 +177,29 @@ // compare the auth hash sent by the client with the local session credentials function rcmail_authenticate_session() { - $now = mktime(); - $valid = ($_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['auth_time']) || - $_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['last_auth'])); + global $CONFIG, $SESS_CLIENT_IP, $SESS_CHANGED; + + // advanced session authentication + if ($CONFIG['double_auth']) + { + $now = time(); + $valid = ($_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['auth_time']) || + $_COOKIE['sessauth'] == rcmail_auth_hash(session_id(), $_SESSION['last_auth'])); - // renew auth cookie every 5 minutes (only for GET requests) - if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now-$_SESSION['auth_time'] > 300)) + // renew auth cookie every 5 minutes (only for GET requests) + if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now-$_SESSION['auth_time'] > 300)) { - $_SESSION['last_auth'] = $_SESSION['auth_time']; - $_SESSION['auth_time'] = $now; - setcookie('sessauth', rcmail_auth_hash(session_id(), $now)); + $_SESSION['last_auth'] = $_SESSION['auth_time']; + $_SESSION['auth_time'] = $now; + setcookie('sessauth', rcmail_auth_hash(session_id(), $now)); } - - if (!$valid) - write_log('timeouts', - "REQUEST: " . var_export($_REQUEST, true) . - "\nEXPECTED: " . rcmail_auth_hash(session_id(), $_SESSION['auth_time']) . - "\nOR LAST: " . rcmail_auth_hash(session_id(), $_SESSION['last_auth']) . - "\nSESSION: " . var_export($_SESSION, true)); + } + else + $valid = $CONFIG['ip_check'] ? $_SERVER['REMOTE_ADDR'] == $SESS_CLIENT_IP : true; + + // check session filetime + if (!empty($CONFIG['session_lifetime']) && isset($SESS_CHANGED) && $SESS_CHANGED + $CONFIG['session_lifetime']*60 < time()) + $valid = false; return $valid; } @@ -282,8 +286,8 @@ rcmail_save_user_prefs($a_user_prefs); } - $_SESSION = array(); - session_destroy(); + $_SESSION = array('user_lang' => $GLOBALS['sess_user_lang'], 'auth_time' => time(), 'temp' => true); + setcookie('sessauth', '-del-', time()-60); } @@ -365,7 +369,7 @@ // add common javascripts $javascript = "var $JS_OBJECT_NAME = new rcube_webmail();\n"; - $javascript .= "$JS_OBJECT_NAME.set_env('comm_path', '$COMM_PATH');\n"; + $javascript .= sprintf("%s.set_env('comm_path', '%s');\n", $JS_OBJECT_NAME, str_replace('&', '&', $COMM_PATH)); if (isset($CONFIG['javascript_config'] )){ foreach ($CONFIG['javascript_config'] as $js_config_var){ @@ -375,7 +379,7 @@ // don't wait for page onload. Call init at the bottom of the page (delayed) $javascript_foot = "if (window.call_init)\n call_init('$JS_OBJECT_NAME');"; - + if (!empty($GLOBALS['_framed'])) $javascript .= "$JS_OBJECT_NAME.set_env('framed', true);\n"; @@ -400,7 +404,7 @@ // set localization charset based on the given language function rcmail_set_locale($lang) { - global $OUTPUT, $MBSTRING; + global $OUTPUT, $CHARSET, $MBSTRING; static $s_mbstring_loaded = NULL; // settings for mbstring module (by Tadashi Jokagi) @@ -408,8 +412,39 @@ $MBSTRING = $s_mbstring_loaded = extension_loaded("mbstring"); else $MBSTRING = $s_mbstring_loaded = FALSE; + + if ($MBSTRING) + mb_internal_encoding($CHARSET); $OUTPUT->set_charset(rcube_language_prop($lang, 'charset')); + } + + +// auto-select IMAP host based on the posted login information +function rcmail_autoselect_host() + { + global $CONFIG; + + $host = isset($_POST['_host']) ? get_input_value('_host', RCUBE_INPUT_POST) : $CONFIG['default_host']; + if (is_array($host)) + { + list($user, $domain) = explode('@', get_input_value('_user', RCUBE_INPUT_POST)); + if (!empty($domain)) + { + foreach ($host as $imap_host => $mail_domains) + if (is_array($mail_domains) && in_array($domain, $mail_domains)) + { + $host = $imap_host; + break; + } + } + + // take the first entry if $host is still an array + if (is_array($host)) + $host = array_shift($host); + } + + return $host; } @@ -421,6 +456,26 @@ if (!$host) $host = $CONFIG['default_host']; + + // Validate that selected host is in the list of configured hosts + if (is_array($CONFIG['default_host'])) + { + $allowed = FALSE; + foreach ($CONFIG['default_host'] as $key => $host_allowed) + { + if (!is_numeric($key)) + $host_allowed = $key; + if ($host == $host_allowed) + { + $allowed = TRUE; + break; + } + } + if (!$allowed) + return FALSE; + } + else if (!empty($CONFIG['default_host']) && $host != $CONFIG['default_host']) + return FALSE; // parse $host URL $a_host = parse_url($host); @@ -508,6 +563,7 @@ $_SESSION['username'] = $user; $_SESSION['user_lang'] = $sess_user_lang; $_SESSION['password'] = encrypt_passwd($pass); + $_SESSION['login_time'] = mktime(); // force reloading complete list of subscribed mailboxes rcmail_set_imap_prop(); @@ -535,10 +591,10 @@ $DB->query("INSERT INTO ".get_table_name('users')." (created, last_login, username, mail_host, alias, language) VALUES (".$DB->now().", ".$DB->now().", ?, ?, ?, ?)", - $user, - $host, - $user_email, - $_SESSION['user_lang']); + strip_newlines($user), + strip_newlines($host), + strip_newlines($user_email), + $_SESSION['user_lang']); if ($user_id = $DB->insert_id(get_sequence_name('users'))) { @@ -550,21 +606,28 @@ $user_name = $user!=$user_email ? $user : ''; // try to resolve the e-mail address from the virtuser table - if (!empty($CONFIG['virtuser_query'])) - { - $sql_result = $DB->query(preg_replace('/%u/', $user, $CONFIG['virtuser_query'])); - if ($sql_arr = $DB->fetch_array($sql_result)) - $user_email = $sql_arr[0]; + if (!empty($CONFIG['virtuser_query']) && + ($sql_result = $DB->query(preg_replace('/%u/', $user, $CONFIG['virtuser_query']))) && + ($DB->num_rows()>0)) + while ($sql_arr = $DB->fetch_array($sql_result)) + { + $DB->query("INSERT INTO ".get_table_name('identities')." + (user_id, del, standard, name, email) + VALUES (?, 0, 1, ?, ?)", + $user_id, + strip_newlines($user_name), + preg_replace('/^@/', $user . '@', $sql_arr[0])); + } + else + { + // also create new identity records + $DB->query("INSERT INTO ".get_table_name('identities')." + (user_id, del, standard, name, email) + VALUES (?, 0, 1, ?, ?)", + $user_id, + strip_newlines($user_name), + strip_newlines($user_email)); } - - // also create new identity records - $DB->query("INSERT INTO ".get_table_name('identities')." - (user_id, del, standard, name, email) - VALUES (?, 0, 1, ?, ?)", - $user_id, - $user_name, - $user_email); - // get existing mailboxes $a_mailboxes = $IMAP->list_mailboxes(); @@ -699,7 +762,7 @@ $framed = $GLOBALS['_framed']; $command = sprintf("display_message('%s', '%s');", - rep_specialchars_output(rcube_label(array('name' => $message, 'vars' => $vars)), 'js'), + JQ(rcube_label(array('name' => $message, 'vars' => $vars))), $type); if ($REMOTE_REQUEST) @@ -819,7 +882,7 @@ $OUTPUT->add_script(sprintf("%s.add_label('%s', '%s');", $JS_OBJECT_NAME, $name, - rep_specialchars_output(rcube_label($name), 'js'))); + JQ(rcube_label($name)))); } @@ -862,8 +925,15 @@ } -// convert a string from one charset to another -// this function is not complete and not tested well +/** + * Convert a string from one charset to another. + * Uses mbstring and iconv functions if possible + * + * @param string Input string + * @param string Suspected charset of the input string + * @param string Target charset to convert to; defaults to $GLOBALS['CHARSET'] + * @return Converted string + */ function rcube_charset_convert($str, $from, $to=NULL) { global $MBSTRING; @@ -893,7 +963,7 @@ // convert string to UTF-8 if ($from=='UTF-7') - $str = rcube_charset_convert(UTF7DecodeString($str), 'ISO-8859-1'); + $str = utf7_to_utf8($str); else if (($from=='ISO-8859-1') && function_exists('utf8_encode')) $str = utf8_encode($str); else if ($from!='UTF-8') @@ -904,7 +974,7 @@ // encode string for output if ($to=='UTF-7') - return UTF7EncodeString(rcube_charset_convert($str, 'UTF-8', 'ISO-8859-1')); + return utf8_to_utf7($str); else if ($to=='ISO-8859-1' && function_exists('utf8_decode')) return utf8_decode($str); else if ($to!='UTF-8') @@ -918,12 +988,19 @@ } - -// replace specials characters to a specific encoding type +/** + * Replacing specials characters to a specific encoding type + * + * @param string Input string + * @param string Encoding type: text|html|xml|js|url + * @param string Replace mode for tags: show|replace|remove + * @param boolean Convert newlines + * @return The quoted string + */ function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE) { global $OUTPUT_TYPE, $OUTPUT; - static $html_encode_arr, $js_rep_table, $rtf_rep_table, $xml_rep_table; + static $html_encode_arr, $js_rep_table, $xml_rep_table; if (!$enctype) $enctype = $GLOBALS['OUTPUT_TYPE']; @@ -958,38 +1035,35 @@ } else if ($mode=='remove') $str = strip_tags($str); - - $out = strtr($str, $encode_arr); + + // avoid douple quotation of & + $out = preg_replace('/&([a-z]{2,5}|#[0-9]{2,4});/', '&\\1;', strtr($str, $encode_arr)); return $newlines ? nl2br($out) : $out; } - if ($enctype=='url') return rawurlencode($str); - - // if the replace tables for RTF, XML and JS are not yet defined + // if the replace tables for XML and JS are not yet defined if (!$js_rep_table) { - $js_rep_table = $rtf_rep_table = $xml_rep_table = array(); + $js_rep_table = $xml_rep_table = array(); $xml_rep_table['&'] = '&'; for ($c=160; $c<256; $c++) // can be increased to support more charsets { $hex = dechex($c); - $rtf_rep_table[Chr($c)] = "\\'$hex"; $xml_rep_table[Chr($c)] = "&#$c;"; if ($OUTPUT->get_charset()=='ISO-8859-1') $js_rep_table[Chr($c)] = sprintf("\u%s%s", str_repeat('0', 4-strlen($hex)), $hex); } - $js_rep_table['"'] = sprintf("\u%s%s", str_repeat('0', 4-strlen(dechex(34))), dechex(34)); $xml_rep_table['"'] = '"'; } - // encode for RTF + // encode for XML if ($enctype=='xml') return strtr($str, $xml_rep_table); @@ -1002,12 +1076,26 @@ return addslashes(preg_replace(array("/\r\n/", "/\r/"), array('\n', '\n'), strtr($str, $js_rep_table))); } - // encode for RTF - if ($enctype=='rtf') - return preg_replace("/\r\n/", "\par ", strtr($str, $rtf_rep_table)); - // no encoding given -> return original string return $str; + } + +/** + * Quote a given string. Alias function for rep_specialchars_output + * @see rep_specialchars_output + */ +function Q($str, $mode='strict', $newlines=TRUE) + { + return rep_specialchars_output($str, 'html', $mode, $newlines); + } + +/** + * Quote a given string. Alias function for rep_specialchars_output + * @see rep_specialchars_output + */ +function JQ($str) + { + return rep_specialchars_output($str, 'js'); } @@ -1055,7 +1143,21 @@ return $value; } +/** + * Remove single and double quotes from given string + */ +function strip_quotes($str) +{ + return preg_replace('/[\'"]/', '', $str); +} +/** + * Remove new lines characters from given string + */ +function strip_newlines($str) +{ + return preg_replace('/[\r\n]/', '', $str); +} // ************** template parsing and gui functions ************** @@ -1100,8 +1202,12 @@ // parse for specialtags - $output = parse_rcube_xml($templ); + $output = parse_rcube_xml(parse_rcube_conditions($templ)); + // add debug console + if ($CONFIG['debug_level'] & 8) + $OUTPUT->footer = '<div style="position:absolute;top:5px;left:5px;width:400px;opacity:0.8;z-index:9000;"><form name="debugform"><textarea name="console" rows="15" cols="40" style="width:400px;border:none;font-size:x-small"></textarea></form>'; + $OUTPUT->write(trim(parse_with_globals($output)), $skin_path); if ($exit) @@ -1119,6 +1225,55 @@ } +// parse conditional code +function parse_rcube_conditions($input) + { + if (($matches = preg_split('/<roundcube:(if|elseif|else|endif)\s+([^>]+)>/is', $input, 2, PREG_SPLIT_DELIM_CAPTURE)) && count($matches)==4) + { + if (preg_match('/^(else|endif)$/i', $matches[1])) + return $matches[0] . parse_rcube_conditions($matches[3]); + else + { + $attrib = parse_attrib_string($matches[2]); + if (isset($attrib['condition'])) + { + $condmet = rcube_xml_condition($attrib['condition']); + $submatches = preg_split('/<roundcube:(elseif|else|endif)\s+([^>]+)>/is', $matches[3], 2, PREG_SPLIT_DELIM_CAPTURE); + + if ($condmet) + $result = $submatches[0] . preg_replace('/.*<roundcube:endif\s+[^>]+>/is', '', $submatches[3]); + else + $result = "<roundcube:$submatches[1] $submatches[2]>" . $submatches[3]; + + return $matches[0] . parse_rcube_conditions($result); + } + else + { + raise_error(array('code' => 500, 'type' => 'php', 'line' => __LINE__, 'file' => __FILE__, + 'message' => "Unable to parse conditional tag " . $matches[2]), TRUE, FALSE); + } + } + } + + return $input; + } + + +/** + * Determines if a given condition is met + * + * @return True if condition is valid, False is not + */ +function rcube_xml_condition($condition) + { + $condition = preg_replace( + array('/session:([a-z0-9_]+)/i', '/config:([a-z0-9_]+)/i', '/request:([a-z0-9_]+)/ie'), + array("\$_SESSION['\\1']", "\$GLOBALS['CONFIG']['\\1']", "get_input_value('\\1', RCUBE_INPUT_GPC)"), + $condition); + + return @eval("return (".$condition.");"); + } + function parse_rcube_xml($input) { @@ -1127,12 +1282,19 @@ } +/** + * Convert a xml command tag into real content + */ function rcube_xml_command($command, $str_attrib, $add_attrib=array()) { global $IMAP, $CONFIG, $OUTPUT; $command = strtolower($command); $attrib = parse_attrib_string($str_attrib) + $add_attrib; + + // empty output if required condition is not met + if (!empty($attrib['condition']) && !rcube_xml_condition($attrib['condition'])) + return ''; // execute command switch ($command) @@ -1146,7 +1308,7 @@ // show a label case 'label': if ($attrib['name'] || $attrib['command']) - return rep_specialchars_output(rcube_label($attrib)); + return Q(rcube_label($attrib)); break; // create a menu item @@ -1197,6 +1359,7 @@ 'composeattachment' => 'rcmail_compose_attachment_field', 'priorityselector' => 'rcmail_priority_selector', 'charsetselector' => 'rcmail_charset_selector', + 'editorselector' => 'rcmail_editor_selector', 'searchform' => 'rcmail_search_form', 'receiptcheckbox' => 'rcmail_receipt_checkbox', @@ -1228,7 +1391,7 @@ else if ($object=='productname') { $name = !empty($CONFIG['product_name']) ? $CONFIG['product_name'] : 'RoundCube Webmail'; - return rep_specialchars_output($name, 'html', 'all'); + return Q($name); } else if ($object=='version') { @@ -1250,7 +1413,7 @@ else $title .= ucfirst($task); - return rep_specialchars_output($title, 'html', 'all'); + return Q($title); } break; @@ -1279,8 +1442,7 @@ if ($attrib['type']) $attrib['type'] = strtolower($attrib['type']); else - $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $arg['imageact']) ? 'image' : 'link'; - + $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link'; $command = $attrib['command']; @@ -1289,7 +1451,7 @@ $attrib = $sa_buttons[$attrib['name']]; // add button to button stack - else if($attrib['image'] || $arg['imageact'] || $attrib['imagepas'] || $attrib['class']) + else if($attrib['image'] || $attrib['imageact'] || $attrib['imagepas'] || $attrib['class']) { if(!$attrib['name']) $attrib['name'] = $command; @@ -1317,12 +1479,12 @@ // get localized text for labels and titles if ($attrib['title']) - $attrib['title'] = rep_specialchars_output(rcube_label($attrib['title'])); + $attrib['title'] = Q(rcube_label($attrib['title'])); if ($attrib['label']) - $attrib['label'] = rep_specialchars_output(rcube_label($attrib['label'])); + $attrib['label'] = Q(rcube_label($attrib['label'])); if ($attrib['alt']) - $attrib['alt'] = rep_specialchars_output(rcube_label($attrib['alt'])); + $attrib['alt'] = Q(rcube_label($attrib['alt'])); // set title to alt attribute for IE browsers if ($BROWSER['ie'] && $attrib['title'] && !$attrib['alt']) @@ -1435,12 +1597,11 @@ $table .= "<thead><tr>\n"; foreach ($a_show_cols as $col) - $table .= '<td class="'.$col.'">' . rep_specialchars_output(rcube_label($col)) . "</td>\n"; + $table .= '<td class="'.$col.'">' . Q(rcube_label($col)) . "</td>\n"; $table .= "</tr></thead>\n<tbody>\n"; $c = 0; - if (!is_array($table_data)) { while ($table_data && ($sql_arr = $DB->fetch_assoc($table_data))) @@ -1452,8 +1613,8 @@ // format each col foreach ($a_show_cols as $col) { - $cont = rep_specialchars_output($sql_arr[$col]); - $table .= '<td class="'.$col.'">' . $cont . "</td>\n"; + $cont = Q($sql_arr[$col]); + $table .= '<td class="'.$col.'">' . $cont . "</td>\n"; } $table .= "</tr>\n"; @@ -1471,8 +1632,8 @@ // format each col foreach ($a_show_cols as $col) { - $cont = rep_specialchars_output($row_data[$col]); - $table .= '<td class="'.$col.'">' . $cont . "</td>\n"; + $cont = Q($row_data[$col]); + $table .= '<td class="'.$col.'">' . $cont . "</td>\n"; } $table .= "</tr>\n"; @@ -1487,7 +1648,15 @@ } - +/** + * Create an edit field for inclusion on a form + * + * @param string col field name + * @param string value field value + * @param array attrib HTML element attributes for field + * @param string type HTML element type (default 'text') + * @return string HTML field definition + */ function rcmail_get_edit_field($col, $value, $attrib, $type='text') { $fname = '_'.$col; @@ -1533,12 +1702,12 @@ function parse_attrib_string($str) { $attrib = array(); - preg_match_all('/\s*([-_a-z]+)=["]([^"]+)["]?/i', stripslashes($str), $regs, PREG_SET_ORDER); + preg_match_all('/\s*([-_a-z]+)=(["\'])([^"]+)\2/Ui', stripslashes($str), $regs, PREG_SET_ORDER); // convert attributes to an associative array (name => value) if ($regs) foreach ($regs as $attr) - $attrib[strtolower($attr[1])] = $attr[2]; + $attrib[strtolower($attr[1])] = $attr[3]; return $attrib; } @@ -1570,15 +1739,15 @@ $now = time(); // local time $now -= (int)date('Z'); // make GMT time $now += ($tz * 3600); // user's time - $now_date = getdate(); + $now_date = getdate($now); $today_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday'], $now_date['year']); $week_limit = mktime(0, 0, 0, $now_date['mon'], $now_date['mday']-6, $now_date['year']); // define date format depending on current time - if ($CONFIG['prettydate'] && !$format && $timestamp > $today_limit) - return sprintf('%s %s', rcube_label('today'), date('H:i', $timestamp)); - else if ($CONFIG['prettydate'] && !$format && $timestamp > $week_limit) + if ($CONFIG['prettydate'] && !$format && $timestamp > $today_limit && $timestamp < $now) + return sprintf('%s %s', rcube_label('today'), date($CONFIG['date_today'] ? $CONFIG['date_today'] : 'H:i', $timestamp)); + else if ($CONFIG['prettydate'] && !$format && $timestamp > $week_limit && $timestamp < $now) $format = $CONFIG['date_short'] ? $CONFIG['date_short'] : 'D H:i'; else if (!$format) $format = $CONFIG['date_long'] ? $CONFIG['date_long'] : 'd.m.Y H:i'; @@ -1696,7 +1865,7 @@ $labels['pass'] = rcube_label('password'); $labels['host'] = rcube_label('server'); - $input_user = new textfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30)); + $input_user = new textfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30, 'autocomplete' => 'off')); $input_pass = new passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30)); $input_action = new hiddenfield(array('name' => '_action', 'value' => 'login')); @@ -1710,14 +1879,22 @@ $select_host = new select(array('name' => '_host', 'id' => 'rcmloginhost')); foreach ($CONFIG['default_host'] as $key => $value) - $select_host->add($value, (is_numeric($key) ? $value : $key)); + { + if (!is_array($value)) + $select_host->add($value, (is_numeric($key) ? $value : $key)); + else + { + unset($select_host); + break; + } + } - $fields['host'] = $select_host->show($_POST['_host']); + $fields['host'] = isset($select_host) ? $select_host->show($_POST['_host']) : null; } else if (!strlen($CONFIG['default_host'])) { - $input_host = new textfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30)); - $fields['host'] = $input_host->show($_POST['_host']); + $input_host = new textfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30)); + $fields['host'] = $input_host->show($_POST['_host']); } $form_name = strlen($attrib['form']) ? $attrib['form'] : 'form'; -- Gitblit v1.9.1