function checkFields($aData, $zData = false)
{
// Checks fields before submission of data.
global $_SETT;
$this->aCheckMandatory = array('system_title', 'email_address', 'refseq_build');
parent::checkFields($aData);
// Database URL is mandatory, if the option "Include in the global LOVD listing" is selected.
if (!empty($aData['include_in_listing']) && empty($aData['location_url'])) {
lovd_errorAdd('location_url', 'Please fill in an URL in the \'Database URL\' field, if you want this LOVD installation to be included in the global LOVD listing; otherwise disable the \'Include in the global LOVD listing\' setting below.');
}
// Database URL should be an URL.
if (!empty($aData['location_url']) && !lovd_matchURL($aData['location_url'])) {
lovd_errorAdd('location_url', 'Please fill in a correct URL in the \'Database URL\' field.');
}
// Email address.
if (!empty($aData['email_address']) && !lovd_matchEmail($aData['email_address'])) {
lovd_errorAdd('email_address', 'Please fill in a correct email address.');
}
// Refseq build should match the available builds.
if (!empty($aData['refseq_build']) && !array_key_exists($aData['refseq_build'], $_SETT['human_builds'])) {
lovd_errorAdd('refseq_build', 'Please select one of the available Human Builds.');
}
// Proxy server checks (valid hostname, valid port number, try connecting.
if (!empty($aData['proxy_host'])) {
// Pattern taken from lovd_matchURL().
if (!preg_match('/^([0-9]{1,3}(\\.[0-9]{1,3}){3}|(([0-9a-z][-0-9a-z]*[0-9a-z]|[0-9a-z])\\.?)+[a-z]{2,6})$/i', $aData['proxy_host'])) {
lovd_errorAdd('proxy_host', 'Please fill in a correct host name of the proxy server, if you wish to use one.');
} elseif (empty($aData['proxy_port'])) {
lovd_errorAdd('proxy_port', 'Please fill in a correct, numeric, port number of the proxy server, if you wish to use a proxy server.');
} else {
// Alright, let's try and connect.
// First: normal connect, direct, no outside connection requested.
$f = @fsockopen($aData['proxy_host'], $aData['proxy_port'], $nError, $sError, 5);
if ($f === false) {
lovd_errorAdd('proxy_host', 'Could not connect to given proxy server. Please check if the fields are correctly filled in.');
lovd_errorAdd('proxy_port', '');
} else {
$sRequest = 'GET ' . $_SETT['check_location_URL'] . ' HTTP/1.0' . "\r\n" . 'User-Agent: LOVDv.' . $_SETT['system']['version'] . " Proxy Check\r\n" . (empty($_POST['proxy_username']) || empty($_POST['proxy_password']) ? '' : 'Proxy-Authorization: Basic ' . base64_encode($_POST['proxy_username'] . ':' . $_POST['proxy_password']) . "\r\n") . 'Connection: Close' . "\r\n\r\n";
fputs($f, $sRequest);
$s = rtrim(fgets($f));
if (!preg_match('/^HTTP\\/1\\.. [23]/', $s, $aRegs)) {
// Allowing HTTP 2XX and 3XX.
if (preg_match('/^HTTP\\/1\\.. 407/', $s, $aRegs)) {
// Proxy needs username and password.
if (!empty($_POST['proxy_username']) && !empty($_POST['proxy_password'])) {
lovd_errorAdd('proxy_username', 'Invalid username/password combination for this proxy server. Please try again.');
lovd_errorAdd('proxy_password', '');
} else {
lovd_errorAdd('proxy_username', 'This proxy server requires a valid username and password. Please make sure you provide them both.');
lovd_errorAdd('proxy_password', '');
}
} else {
lovd_errorAdd('proxy_host', 'Unexpected answer from proxy when trying to connect upstream: ' . $s);
}
}
}
}
} elseif (!empty($aData['proxy_port'])) {
// We have a port number, but no host name.
lovd_errorAdd('proxy_host', 'Please also fill in a correct host name of the proxy server, if you wish to use one.');
}
// Custom logo must exist.
if (!empty($aData['logo_uri'])) {
// Determine if file can be read and is an image or not.
if (!is_readable(ROOT_PATH . $aData['logo_uri'])) {
lovd_errorAdd('logo_uri', 'Cannot read the custom logo file. Please make sure the path is correct and that the file can be read.');
} else {
$a = @getimagesize(ROOT_PATH . $aData['logo_uri']);
if (!is_array($a)) {
lovd_errorAdd('logo_uri', 'The custom logo file that you selected does not seem to be a picture.');
}
}
} else {
// FIXME; this is probably not the best way of doing this...
$_POST['logo_uri'] = 'gfx/LOVD3_logo145x50.jpg';
}
// FIXME; Like above, not the best solution, but gets the job done for now.
if (empty($aData['mutalyzer_soap_url'])) {
$_POST['mutalyzer_soap_url'] = 'https://mutalyzer.nl/services';
}
// SSL check.
if (!empty($aData['use_ssl']) && !SSL) {
lovd_errorAdd('use_ssl', 'You\'ve selected to force the use of SSL, but SSL is not currently activated for this session. To force SSL, I must be sure it\'s possible to approach LOVD through an SSL connection (use <A href="https://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] . ($_SERVER['QUERY_STRING'] ? '?' . str_replace('&sent=true', '', $_SERVER['QUERY_STRING']) : '') . '" target="_blank">https://</A> instead of http://).');
}
$_POST['api_feed_history'] = 0;
$_POST['allow_count_hidden_entries'] = 0;
$_POST['use_versioning'] = 0;
// XSS attack prevention. Deny input of HTML.
lovd_checkXSS();
}
function checkFields($aData, $zData = false)
{
// Checks fields before submission of data.
global $_AUTH, $_DB, $_PE, $_SETT;
// Mandatory fields.
$this->aCheckMandatory = array('name', 'institute', 'address', 'city', 'countryid', 'email', 'username');
// These password fields are only not mandatory when we're editing.
if (ACTION != 'edit') {
$this->aCheckMandatory[] = 'password_1';
$this->aCheckMandatory[] = 'password_2';
}
parent::checkFields($aData);
// Email address.
if (!empty($aData['email'])) {
$aEmail = explode("\r\n", $aData['email']);
foreach ($aEmail as $sEmail) {
if (!lovd_matchEmail($sEmail)) {
lovd_errorAdd('email', 'Email "' . htmlspecialchars($sEmail) . '" is not a correct email address' . ($sEmail && $sEmail == trim($sEmail) ? '' : '. Make sure there are no spaces or empty lines left in the email field') . '.');
}
}
}
if (lovd_getProjectFile() == '/install/index.php' || ACTION == 'create') {
// Check username format.
if ($aData['username'] && !lovd_matchUsername($aData['username'])) {
lovd_errorAdd('username', 'Please fill in a correct username; 4 to 20 characters and starting with a letter followed by letters, numbers, dots, underscores and dashes only.');
}
}
if (in_array(ACTION, array('create', 'register'))) {
// Does the username exist already?
if ($aData['username']) {
if ($_DB->query('SELECT COUNT(*) FROM ' . TABLE_USERS . ' WHERE username = ?', array($aData['username']))->fetchColumn()) {
lovd_errorAdd('username', 'There is already a user with this username. Please choose another one.');
}
}
}
// One of two password fields entered... check 'em.
if ($aData['password_1'] || $aData['password_2']) {
if ($aData['password_1'] && $aData['password_2']) {
// Both entered.
if ($aData['password_1'] != $aData['password_2']) {
lovd_errorAdd('password_2', 'The \'' . (in_array(ACTION, array('edit', 'change_password')) ? 'New p' : 'P') . 'assword\' fields are not equal. Please try again.');
} else {
// Password quality.
if (!lovd_matchPassword($aData['password_1'])) {
lovd_errorAdd('password_1', 'Your password is found too weak. Please fill in a proper password; at least 4 characters long and containing at least one number or special character.');
}
}
} else {
if (in_array(ACTION, array('edit', 'change_password'))) {
lovd_errorAdd('password_2', 'If you want to change the current password, please fill in both \'New password\' fields.');
} else {
lovd_errorAdd('password_2', 'Please fill in both \'Password\' fields.');
}
}
}
// Check given security IP range.
if (!empty($aData['allowed_ip'])) {
// This function will throw an error itself (second argument).
$bIP = lovd_matchIPRange($aData['allowed_ip'], 'allowed_ip');
if (lovd_getProjectFile() == '/install/index.php' || ACTION == 'edit' && $_PE[1] == $_AUTH['id']) {
// Check given security IP range.
if ($bIP && !lovd_validateIP($aData['allowed_ip'], $_SERVER['REMOTE_ADDR'])) {
// This IP range is not allowing the current IP to connect. This ain't right.
// If IP address is actually IPv6, then complain that we can't restrict at all.
// Otherwise, be clear the current setting just doesn't match.
if (strpos($_SERVER['REMOTE_ADDR'], ':') !== false) {
// IPv6...
lovd_errorAdd('allowed_ip', 'Your current IP address is IPv6 (' . $_SERVER['REMOTE_ADDR'] . '), which is not supported by LOVD to restrict access to your account.');
} else {
lovd_errorAdd('allowed_ip', 'Your current IP address is not matched by the given IP range. This would mean you would not be able to get access to LOVD with this IP range.');
}
}
}
} else {
// We're not sure if $aData == $_POST. But we'll just do this. It can't harm I guess.
$_POST['allowed_ip'] = '*';
}
// Level can't be higher or equal than the current user.
if (!empty($aData['level']) && $aData['level'] >= $_AUTH['level']) {
lovd_writeLog('Error', 'HackAttempt', 'Tried to upgrade user ID ' . $_PE[1] . ' to level ' . $_SETT['user_levels'][$aData['level']] . ')');
lovd_errorAdd('level', 'User level is not permitted. Hack attempt.');
}
// XSS attack prevention. Deny input of HTML.
lovd_checkXSS();
}
