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<?php |
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/** |
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* Determines the power off capabilities of the backend and which actions the |
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* user is allowed to perform to power off the backend depending on the user's |
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* role and the current settings. |
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* |
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* @author Pascal Weisenburger <[email protected]> |
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* @copyright Copyright © Pascal Weisenburger 2014- |
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* @license https://www.gnu.org/licenses/gpl.html The GNU General Public License v3.0 |
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*/ |
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class PowerOffManager extends CApplicationComponent |
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{ |
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const SHUTDOWN = 'shutdown'; |
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const SUSPEND = 'suspend'; |
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const HIBERNATE = 'hibernate'; |
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const REBOOT = 'reboot'; |
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/** |
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* @var array currently allowed actions |
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*/ |
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private $_allowedActions; |
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/** |
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* Initializes the component. The allowed actions are set here. |
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*/ |
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public function init() |
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{ |
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$this->_allowedActions = array(); |
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$options = array( |
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Setting::POWER_OPTION_SHUTDOWN => self::SHUTDOWN, |
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Setting::POWER_OPTION_SUSPEND => self::SUSPEND, |
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Setting::POWER_OPTION_HIBERNATE => self::HIBERNATE, |
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Setting::POWER_OPTION_REBOOT => self::REBOOT, |
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); |
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foreach ($options as $option => $action) |
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{ |
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if (Yii::app()->user->role == User::ROLE_ADMIN || |
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Setting::getBooleanOption('allowUserPowerOff', $option)) |
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$this->_allowedActions[] = $action; |
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} |
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parent::init(); |
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} |
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/** |
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* Returns the power off capabilities of the currently used backend. |
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* @return array the power off capabilities |
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*/ |
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public function getBackendCapabilities() |
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{ |
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$response = Yii::app()->xbmc->performRequest('System.GetProperties', |
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array('properties'=>array( |
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'canshutdown', 'cansuspend', 'canhibernate', 'canreboot'))); |
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$capabilities = array(); |
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if ($response->result->canshutdown) |
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$capabilities[] = self::SHUTDOWN; |
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if ($response->result->cansuspend) |
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$capabilities[] = self::SUSPEND; |
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if ($response->result->canhibernate) |
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$capabilities[] = self::HIBERNATE; |
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if ($response->result->canreboot) |
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$capabilities[] = self::REBOOT; |
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return $capabilities; |
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} |
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/** |
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* Returns whether the current backend is capable of performing the given |
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* power off action. |
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* @param string $action the power off action to be checked |
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* @return boolean whether the power off action is supported |
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*/ |
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public function hasBackendCapability($action) |
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{ |
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return in_array($action, $this->getBackendCapabilities()); |
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} |
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/** |
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* Returns the power off actions allowed for the current user. |
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* @return array the power off actions |
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*/ |
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public function getAllowedActions() |
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{ |
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return $this->_allowedActions; |
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} |
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/** |
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* Returns whether the current user is allowed to perform the given power |
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* off action. |
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* @param string $action the power off action to be checked |
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* @return boolean whether the power off action is allowed |
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*/ |
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public function isActionAllowed($action) |
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{ |
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return in_array($action, $this->getAllowedActions()); |
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} |
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/** |
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* Powers off the backend by shutting it down, suspending it, hibernating it |
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* or rebooting it. |
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* @param string $action the power off action to be performed |
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*/ |
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public function powerOff($action) |
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{ |
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$methods = array( |
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self::SHUTDOWN => 'System.Shutdown', |
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self::SUSPEND => 'System.Suspend', |
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self::HIBERNATE => 'System.Hibernate', |
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self::REBOOT => 'System.Reboot', |
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); |
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$method = $methods[$action]; |
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Yii::app()->xbmc->sendNotification($method); |
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} |
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} |