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Added username ldap escaping for filter search

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This commit is contained in:
Ben Tyger 2021-05-19 09:38:21 -04:00
parent 6f46b70b83
commit 46b20c4d97
1 changed files with 35 additions and 11 deletions
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46
app/Controllers/Auth/AuthController.php
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@ -55,7 +55,7 @@ abstract class AuthController extends Controller
}
}
// Authenticating LDAP service account
// Authenticating LDAP service account (if configured)
$serviceAccountFQDN= (array_key_exists('service_account_dn', $this->config['ldap'])) ?
$this->config['ldap']['service_account_dn'] : null;
if (is_string($serviceAccountFQDN)) {
@ -70,20 +70,44 @@ abstract class AuthController extends Controller
}
/**
* Returns User's LDAP DN
* @param string $username
* @return string
* @package resource $server LDAP Server Resource
* @return string|null
*/
protected function getLdapRdn(string $username)
protected function getLdapRdn(string $username, $server)
{
$bindString = ($this->config['ldap']['rdn_attribute'] ?? 'uid=').addslashes($username);
if ($this->config['ldap']['user_domain'] !== null) {
$bindString .= ','.$this->config['ldap']['user_domain'];
//Dynamic LDAP User Binding
if (@is_string($this->config['ldap']['search_filter'])) {
//Replace ???? with username
$searchFilter=str_replace('????', ldap_escape($username,null,LDAP_ESCAPE_FILTER), $this->config['ldap']['search_filter']);
$ldapAddributes=array ('dn');
$ldapSearchResp=ldap_search(
$server,
$this->config['ldap']['base_domain'],
$searchFilter,
$ldapAddributes
);
if (ldap_count_entries($server, $ldapSearchResp) !== 1 ) {
$this->logger->warn("$username not found or had multiple entries");
return null;
}
$ldapEntry = ldap_first_entry($server, $$ldapSearchResp);
$bindString=@ldap_get_values($server, $ldapEntry, 'dn');
} else {
// Static LDAP Binding
$bindString = ($this->config['ldap']['rdn_attribute'] ?? 'uid=').addslashes($username);
if ($this->config['ldap']['user_domain'] !== null) {
$bindString .= ','.$this->config['ldap']['user_domain'];
}
if ($this->config['ldap']['base_domain'] !== null) {
$bindString .= ','.$this->config['ldap']['base_domain'];
}
}
if ($this->config['ldap']['base_domain'] !== null) {
$bindString .= ','.$this->config['ldap']['base_domain'];
}
return $bindString;
}
}