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<?php |
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namespace AppBundle\Entity; |
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use Doctrine\ORM\Mapping as ORM; |
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/** |
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* @ORM\Entity |
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* @ORM\Table(name="triggers") |
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*/ |
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class Trigger |
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{ |
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public $allowedOperators = [ |
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'>','<','>=','<=','==','!=' |
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]; |
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/** |
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* @ORM\Column(type="integer") |
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* @ORM\Id |
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* @ORM\GeneratedValue(strategy="AUTO") |
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*/ |
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private $id; |
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/** |
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* @ORM\Column(type="string", length=100) |
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*/ |
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private $name; |
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/** |
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* @ORM\Column(type="string", length = 2) |
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*/ |
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private $sign; |
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/** |
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* @ORM\Column(type="string", length = 100) |
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*/ |
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private $value; |
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public function getExpression() |
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{ |
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return $this->sign.''.$this->value; |
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} |
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/** |
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* @ORM\Column(type="boolean") |
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*/ |
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private $state = false; |
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/** |
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* @var Variable |
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* @ORM\ManyToOne(targetEntity="AppBundle\Entity\Variable", inversedBy="triggers") |
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*/ |
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public $variable; |
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/** |
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* @ORM\ManyToOne(targetEntity="AppBundle\Entity\Action", inversedBy="activateTriggers") |
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*/ |
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public $onActivate; |
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/** |
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* @ORM\ManyToOne(targetEntity="AppBundle\Entity\Action", inversedBy="deactivateTriggers") |
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*/ |
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public $onDeactivate; |
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/** @ORM\Column(type="text") */ |
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public $activateParams; |
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/** @ORM\Column(type="text") */ |
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public $deactivateParams; |
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/** |
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* @param $state boolean |
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* @return Trigger |
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*/ |
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public function setState($state) |
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{ |
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$this->state = !!$state; |
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return $this; |
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} |
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public function getState() |
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{ |
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return $this->state; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getSign() |
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{ |
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return $this->sign; |
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} |
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/** |
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* @param mixed $sign |
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*/ |
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public function setSign($sign) |
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{ |
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$this->sign = $sign; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* @param mixed $value |
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*/ |
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public function setValue($value) |
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{ |
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$this->value = $value; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getId() |
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{ |
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return $this->id; |
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} |
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/** |
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* @param mixed $id |
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* @return Trigger |
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*/ |
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public function setId($id) |
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{ |
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$this->id = $id; |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @param string $name |
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* @return Trigger |
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*/ |
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public function setName($name) |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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public function checkState() |
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{ |
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$value = $this->getVariable()->getValue(); |
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if (!is_numeric($this->getValue())) { |
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return false; |
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} |
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if (!in_array($this->getSign(), $this->allowedOperators)) { |
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return false; |
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} |
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return (bool) eval('return '.$value.' '.$this->getExpression().';'); |
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} |
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/** |
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* @return Variable |
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*/ |
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public function getVariable() |
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{ |
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return $this->variable; |
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} |
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/** |
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* @param mixed $variable |
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* @return Trigger |
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*/ |
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public function setVariable($variable) |
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{ |
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$this->variable = $variable; |
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return $this; |
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} |
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public function __toString() |
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{ |
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return $this->getName(). ($this->getState() ? ' (on)':' (off)'); |
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} |
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} |
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193
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|
chrl /
myhome
On one hand,
evalmight be exploited by malicious users if they somehow manage to inject dynamic content. On the other hand, with the emergence of faster PHP runtimes like the HHVM,evalprevents some optimization that they perform.