<?php
/*
* SCROTT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* For more information, please refer to UNLICENSE
*/
require_once "class/obj.class.php";
require_once "class/pad.class.php";
require_once "class/settings.class.php";
require_once "class/phpmailer.class.php";
require_once "class/smtp.class.php";
/*
* This is a supertype for users and groups, since these two object types
* will often be handled polymorphically and will share some functionality.
*/
abstract class agent extends obj
{
/*
* Constructor
*/
public function __construct(?string $guid = NULL)
{
parent::__construct($guid);
}
/*
* Check whether this agent is the owner of the given object
*/
public function isOwnerOf(obj $obj) : bool
{
return $obj->getOwner()->guid == $this->guid;
}
/*
* Check whether this agent is a member of the given object
*/
public function isMemberOf(obj $obj) : bool
{
foreach ($obj->getMembers() as $memb)
{
if ($memb->guid == $this->guid)
return true;
}
return false;
}
/*
* Send an email message to this agent using stored configuration
* parameters. If config is not established, delivery is not
* attempted. Return status.
*/
public abstract function sendEmail(string $subj, string $mesg,
?string $attachPath = NULL, ?string $attachName = NULL,
bool $ignoreEmailConf = false) : bool;
/*
* Get the display name for this agent. For groups this is the
* object name; for users, this is the object name, unless an
* alias is set.
*/
public function getDisplayName() : string
{
if ($this->objtype != "user")
return $this->name;
$user = new user($this->guid);
if ($user->alias != "")
return $user->alias;
return $user->name;
}
/*
* Get all pads this agent owns or is a member of. This isn't
* necessarily all pads this agent has access permission for.
* Results are sorted by ownership, then by name.
*/
public function getPads_ordByOwnByName() : array
{
$pads = array();
/* owner */
$query = "SELECT guid FROM objects WHERE objtype = 'pad' AND " .
"owner = '" . database::esc($this->guid) . "' ORDER BY name";
$res = database::query($query);
foreach ($res as $p)
$pads[] = new pad($p['guid']);
/* members */
$query = "SELECT o.guid FROM objects o JOIN members m ON " .
"o.guid = m.guid WHERE o.objtype = 'pad' AND " .
"m.member = '" . database::esc($this->guid) . "' ORDER BY o.name";
$res = database::query($query);
foreach ($res as $p)
$pads[] = new pad($p['guid']);
return $pads;
}
/*
* Check whether this agent has access permission for given
* object
*/
public function canAccess(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj))
return true;
if ($obj->pubAcc)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canAccessSub($parent))
return true;
}
else if ($this->owner)
{
$owner = new obj($obj->owner);
if ($this->canAccessSub($owner))
return true;
}
return false;
}
/*
* Check whether this agent has modify permission for given
* object
*/
public function canModify(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj) && $obj->membModify)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canModifySub($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canModifySub($owner))
return true;
}
return false;
}
/*
* Check whether this agent has modify members permission for
* given object
*/
public function canModifyMembers(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj) && $obj->membMemb)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canModifySubMembers($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canModifySubMembers($owner))
return true;
}
return false;
}
/*
* Check whether this agent has modify permissions permission
* for given object
*/
public function canModifyPermissions(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canModifySubPermissions($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canModifySubPermissions($owner))
return true;
}
return false;
}
/*
* Check whether this agent has access-sub permission for
* given object
*/
public function canAccessSub(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj) && $obj->membAccs)
return true;
if ($obj->pubAccs)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canAccessSub($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canAccessSub($owner))
return true;
}
return false;
}
/*
* Check whether this agent has create-sub permission
* for given object
*/
public function canCreateSub(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj) && $obj->membCres)
return true;
if ($obj->pubCres)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canCreateSub($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canCreateSub($owner))
return true;
}
return false;
}
/*
* Check whether this agent has modify-sub permission
* for given object
*/
public function canModifySub(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj) && $obj->membModifys)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canModifySub($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canModifySub($owner))
return true;
}
return false;
}
/*
* Check whether this agent has modify-sub-members
* permission for given object
*/
public function canModifySubMembers(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($this->isMemberOf($obj) && $obj->membMembs)
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canModifySubMembers($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canModifySubMembers($owner))
return true;
}
return false;
}
/*
* Check whether this agent has modify-sub-permissions
* permission for given object
*/
public function canModifySubPermissions(obj $obj) : bool
{
if ($this->admin)
return true;
if ($this->isOwnerOf($obj))
return true;
if ($obj->parent)
{
$parent = new obj($obj->parent);
if ($this->canModifySubPermissions($parent))
return true;
}
else if ($obj->owner)
{
$owner = new obj($obj->owner);
if ($this->canModifySubPermissions($owner))
return true;
}
return false;
}
}
?>
