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101 lines
3.2 KiB
PHP
101 lines
3.2 KiB
PHP
<?
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class Permissions {
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/* Check to see if a user has the permission to perform an action
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* This is called by check_perms in util.php, for convenience.
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*
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* @param string PermissionName
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* @param string $MinClass Return false if the user's class level is below this.
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*/
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public static function check_perms($PermissionName,$MinClass = 0) {
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global $LoggedUser;
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return (
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isset($LoggedUser['Permissions'][$PermissionName])
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&& $LoggedUser['Permissions'][$PermissionName]
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&& ($LoggedUser['Class']>=$MinClass
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|| $LoggedUser['EffectiveClass']>=$MinClass)) ? true : false;
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}
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/**
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* Gets the permissions associated with a certain permissionid
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*
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* @param int $PermissionID the kind of permissions to fetch
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* @return array permissions
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*/
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public static function get_permissions($PermissionID) {
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global $DB, $Cache;
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$Permission = $Cache->get_value('perm_'.$PermissionID);
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if (empty($Permission)) {
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$DB->query("SELECT p.Level AS Class, p.Values as Permissions, p.Secondary, p.PermittedForums FROM permissions AS p WHERE ID='$PermissionID'");
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$Permission = $DB->next_record(MYSQLI_ASSOC, array('Permissions'));
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$Permission['Permissions'] = unserialize($Permission['Permissions']);
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$Cache->cache_value('perm_'.$PermissionID, $Permission, 2592000);
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}
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return $Permission;
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}
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/**
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* Get a user's permissions.
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*
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* @param $UserID
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* @param array|false $CustomPermissions
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* Pass in the user's custom permissions if you already have them.
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* Leave false if you don't have their permissions, the function will fetch them.
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* @return array Mapping of PermissionName=>bool/int
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*/
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public static function get_permissions_for_user($UserID, $CustomPermissions = false) {
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global $DB;
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$UserInfo = Users::user_info($UserID);
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// Fetch custom permissions if they weren't passed in.
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if ($CustomPermissions === false) {
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$DB->query('SELECT um.CustomPermissions FROM users_main AS um
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WHERE um.ID = '.((int)$UserID));
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list($CustomPermissions) = $DB->next_record(MYSQLI_NUM, false);
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}
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if (!empty($CustomPermissions) && !is_array($CustomPermissions)) {
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$CustomPermissions = unserialize($CustomPermissions);
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}
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$Permissions = Permissions::get_permissions($UserInfo['PermissionID']);
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// Manage 'special' inherited permissions
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$BonusPerms = array();
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$BonusCollages = 0;
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foreach ($UserInfo['ExtraClasses'] as $PermID => $Value) {
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$ClassPerms = Permissions::get_permissions($PermID);
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$BonusCollages += $ClassPerms['Permissions']['MaxCollages'];
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unset($ClassPerms['Permissions']['MaxCollages']);
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$BonusPerms = array_merge($BonusPerms, $ClassPerms['Permissions']);
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}
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if (!empty($CustomPermissions)) {
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$CustomPerms = $CustomPermissions;
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} else {
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$CustomPerms = array();
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}
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// This is legacy donor cruft
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if ($UserInfo['Donor']) {
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$DonorPerms = Permissions::get_permissions(DONOR);
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} else {
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$DonorPerms = array('Permissions' => array());
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}
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$MaxCollages = $Permissions['Permissions']['MaxCollages']
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+ $BonusCollages
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+ $CustomPerms['MaxCollages']
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+ $DonorPerms['Permissions']['MaxCollages'];
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//Combine the permissions
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return array_merge(
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$Permissions['Permissions'],
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$BonusPerms,
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$CustomPerms,
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$DonorPerms['Permissions'],
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array('MaxCollages' => $MaxCollages));
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}
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}
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?>
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