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