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<?php
// Testet ob ein User eingeloggt ist und lädt die entsprechenden Privilegien
function load_auth() {
global $user;
$user = null;
if (isset ($_SESSION['uid'])) {
$user = sql_select("SELECT * FROM `User` WHERE `UID`=" . sql_escape($_SESSION['uid']) . " LIMIT 1");
if (count($user) > 0) {
// User ist eingeloggt, Datensatz zur Verfügung stellen und Timestamp updaten
list ($user) = $user;
sql_query("UPDATE `User` SET " . "`lastLogIn` = '" . time() . "'" . " WHERE `UID` = '" . $_SESSION['uid'] . "' LIMIT 1;");
} else
unset ($_SESSION['uid']);
}
load_privileges();
}
function load_privileges() {
global $privileges, $user;
$privileges = array ();
if (isset ($user)) {
$user_privs = sql_select("SELECT `Privileges`.`name` FROM `User` JOIN `UserGroups` ON (`User`.`UID` = `UserGroups`.`uid`) JOIN `GroupPrivileges` ON (`UserGroups`.`group_id` = `GroupPrivileges`.`group_id`) JOIN `Privileges` ON (`GroupPrivileges`.`privilege_id` = `Privileges`.`id`) WHERE `User`.`UID`=" . sql_escape($user['UID']) . ";");
foreach ($user_privs as $user_priv)
$privileges[] = $user_priv['name'];
} else {
$guest_privs = sql_select("SELECT * FROM `GroupPrivileges` JOIN `Privileges` ON (`GroupPrivileges`.`privilege_id` = `Privileges`.`id`) WHERE `group_id`=-1;");
foreach ($guest_privs as $guest_priv)
$privileges[] = $guest_priv['name'];
}
}
function PassCrypt($passwort) {
global $crypt_system;
switch ($crypt_system) {
case "crypt" :
return "{crypt}" . crypt($passwort, "77");
case "md5" :
return md5($passwort);
}
}
?>
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