/**
* Returns true if the member is allowed to do the given action.
* See {@link extendedCan()} for a more versatile tri-state permission control.
*
* @param string $perm The permission to be checked, such as 'View'.
* @param Member $member The member whose permissions need checking. Defaults to the currently logged
* in user.
*
* @return boolean True if the the member is allowed to do the given action
*/
function can($perm, $member = null)
{
if (!isset($member)) {
$member = Member::currentUser();
}
if (Permission::checkMember($member, "ADMIN")) {
return true;
}
if ($this->many_many('Can' . $perm)) {
if ($this->ParentID && $this->SecurityType == 'Inherit') {
if (!($p = $this->Parent)) {
return false;
}
return $this->Parent->can($perm, $member);
} else {
$permissionCache = $this->uninherited('permissionCache');
$memberID = $member ? $member->ID : 'none';
if (!isset($permissionCache[$memberID][$perm])) {
if ($member->ID) {
$groups = $member->Groups();
}
$groupList = implode(', ', $groups->column("ID"));
// TODO Fix relation table hardcoding
$query = new SQLQuery("\"Page_Can{$perm}\".PageID", array("\"Page_Can{$perm}\""), "GroupID IN ({$groupList})");
$permissionCache[$memberID][$perm] = $query->execute()->column();
if ($perm == "View") {
// TODO Fix relation table hardcoding
$query = new SQLQuery("\"SiteTree\".\"ID\"", array("\"SiteTree\"", "LEFT JOIN \"Page_CanView\" ON \"Page_CanView\".\"PageID\" = \"SiteTree\".\"ID\""), "\"Page_CanView\".\"PageID\" IS NULL");
$unsecuredPages = $query->execute()->column();
if ($permissionCache[$memberID][$perm]) {
$permissionCache[$memberID][$perm] = array_merge($permissionCache[$memberID][$perm], $unsecuredPages);
} else {
$permissionCache[$memberID][$perm] = $unsecuredPages;
}
}
Config::inst()->update($this->class, 'permissionCache', $permissionCache);
}
if ($permissionCache[$memberID][$perm]) {
return in_array($this->ID, $permissionCache[$memberID][$perm]);
}
}
} else {
return parent::can($perm, $member);
}
}
/**
* Returns true if the member is allowed to do the given action.
*
* @param string $perm The permission to be checked, such as 'View'.
* @param Member $member The member whose permissions need checking. Defaults to the currently logged
* in user.
*
* @return boolean True if the the member is allowed to do the given action
*/
function can($perm, $member = null) {
if(!isset($member)) {
$member = Member::currentUser();
}
if(Permission::checkMember($member, "ADMIN")) return true;
if($this->many_many('Can' . $perm)) {
if($this->ParentID && $this->SecurityType == 'Inherit') {
if(!($p = $this->Parent)) {
return false;
}
return $this->Parent->can($perm, $member);
} else {
$permissionCache = $this->uninherited('permissionCache');
$memberID = $member ? $member->ID : 'none';
if(!isset($permissionCache[$memberID][$perm])) {
if($member->ID) {
$groups = $member->Groups();
}
$groupList = implode(', ', $groups->column("ID"));
$query = new SQLQuery(
"`Page_Can$perm`.PageID",
array("`Page_Can$perm`"),
"GroupID IN ($groupList)");
$permissionCache[$memberID][$perm] = $query->execute()->column();
if($perm == "View") {
$query = new SQLQuery("`SiteTree`.ID", array(
"`SiteTree`",
"LEFT JOIN `Page_CanView` ON `Page_CanView`.PageID = `SiteTree`.ID"
), "`Page_CanView`.PageID IS NULL");
$unsecuredPages = $query->execute()->column();
if($permissionCache[$memberID][$perm]) {
$permissionCache[$memberID][$perm] = array_merge($permissionCache[$memberID][$perm], $unsecuredPages);
} else {
$permissionCache[$memberID][$perm] = $unsecuredPages;
}
}
$this->set_uninherited('permissionCache', $permissionCache);
}
if($permissionCache[$memberID][$perm]) {
return in_array($this->ID, $permissionCache[$memberID][$perm]);
}
}
} else {
return parent::can($perm, $member);
}
}