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LDAP get new uid (login name)
by: kervin
|
February 17, 2001
Version: 0.1
Type: Function
Category: Other
License: GNU General Public License
Description: LDAP function to generate a login name. Can be used for non-LDAP user databases If you replace UM_uid_exist() with one that queries your particular name service. Takes a user's fullname (usually gecos information) and returns a login name This function tries four times to generate a login name, it returns empty string if it couldn't. See also UM_uid_exist();
<?
//LDAP function to generate a login name. Can be used for non-LDAP user databases
//If you replace UM_uid_exist() with one that queries your particular name service.
//Takes a user's fullname (usually gecos information) and returns a login name
//This function tries four times to generate a login name, it returns empty
//string if it couldn't.
//This function relies on UM_uid_exist(). A function which checks an LDAP
//server to see if a login is already in use.
function UM_get_new_uid($fullname)
{
//first check that the name is valid
//Only Letters, Numbers, '.', and '-' are allowed
if(ereg("[^a-zA-Z0-9 .-]+", $fullname))
{
echo $fullname." - false";
return "";
}
//Remove numbers, '.' and '-' from the fullname
$fullname = eregi_replace("[.0-9-]", "", $fullname);
//Remove redundant whitespace ( confuses strtok() )
$fullname = eregi_replace("[[:space:]]+", " ", $fullname);
//Make the fullname lowercase
$fullname = strtolower($fullname);
//Tokenize the string. Grab the first token and the last token
$token = strtok($fullname, " ");
$first_token = $token;
while($token)
{
$last_token = $token;
$token = strtok(" ");
}
//Try first initial lastname
$new_login = $first_token[0].substr($last_token, 0,7);
if(!UM_uid_exist($new_login))
return $new_login;
//Now try lastname first initial
$new_login = substr($last_token, 0,7).$first_token[0];
if(!UM_uid_exist($new_login))
return $new_login;
//Now try lastname
$new_login = substr($last_token, 0,8);
if(!UM_uid_exist($new_login))
return $new_login;
//Now try firstname
$new_login = substr($first_token, 0,8);
if(!UM_uid_exist($new_login))
return $new_login;
return "";
}
?>
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