replace regex email validation with PHP filter function and remove DNS checking functions that were not used anymore and do even had a security issue since they did not escape shell parameters

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@568 b3834d28-1941-0410-a4f8-b48e95affb8f
This commit is contained in:
cweiske 2009-11-20 17:41:31 +00:00
parent fdaee8f05d
commit cc5b3d0b5e

View File

@ -76,26 +76,6 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
$this->updateSessionStability();
}
function _checkdns($host) {
if (function_exists('checkdnsrr')) {
return checkdnsrr($host);
} else {
return $this->_checkdnsrr($host);
}
}
function _checkdnsrr($host, $type = "MX") {
if(!empty($host)) {
@exec("nslookup -type=$type $host", $output);
while(list($k, $line) = each($output)) {
if(eregi("^$host", $line)) {
return true;
}
}
return false;
}
}
function _getuser($fieldname, $value) {
$query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"';
@ -700,16 +680,16 @@ class SemanticScuttle_Service_User extends SemanticScuttle_DbService
function isValidEmail($email) {
if (eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$", $email)) {
list($emailUser, $emailDomain) = split("@", $email);
// Check if the email domain has a DNS record
//if ($this->_checkdns($emailDomain)) {
return true;
//}
}
return false;
/**
* Checks if the given email address is valid
*
* @param string $email Email address
*
* @return boolean True if it is valid, false if not
*/
public function isValidEmail($email)
{
return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;
}
/**