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<?php |
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/** |
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* ScrambleVariable.php |
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* |
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* @category Naneau |
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* @package Obfuscator |
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* @subpackage NodeVisitor |
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*/ |
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namespace Naneau\Obfuscator\Node\Visitor; |
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use Naneau\Obfuscator\Node\Visitor\Scrambler as ScramblerVisitor; |
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use Naneau\Obfuscator\StringScrambler; |
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use PhpParser\NodeVisitorAbstract; |
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use PhpParser\Node; |
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use PhpParser\Node\Stmt; |
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use PhpParser\Node\Param; |
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use PhpParser\Node\Stmt\StaticVar; |
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use PhpParser\Node\Expr\Variable; |
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use PhpParser\Node\Stmt\Catch_ as CatchStatement; |
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use PhpParser\Node\Expr\ClosureUse; |
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use \InvalidArgumentException; |
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/** |
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* ScrambleVariable |
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* |
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* Renames parameters |
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* |
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* @category Naneau |
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* @package Obfuscator |
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* @subpackage NodeVisitor |
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*/ |
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class ScrambleVariable extends ScramblerVisitor |
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{ |
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/** |
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* Constructor |
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* |
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* @param StringScrambler $scrambler |
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* @return void |
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**/ |
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public function __construct(StringScrambler $scrambler) |
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{ |
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parent::__construct($scrambler); |
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$this->setIgnore(array( |
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'this', '_SERVER', '_POST', '_GET', '_REQUEST', '_COOKIE', |
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'_SESSION', '_ENV', '_FILES' |
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)); |
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} |
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/** |
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* Check all variable nodes |
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* |
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* @param Node $node |
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* @return void |
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**/ |
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public function enterNode(Node $node) |
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{ |
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// Function param or variable use |
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if ($node instanceof Param || $node instanceof StaticVar || $node instanceof Variable) { |
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return $this->scramble($node); |
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} |
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// try {} catch () {} |
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if ($node instanceof CatchStatement) { |
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return $this->scramble($node, 'var'); |
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} |
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// Function() use ($x, $y) {} |
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if ($node instanceof ClosureUse) { |
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return $this->scramble($node, 'var'); |
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} |
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} |
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} |
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Adding a
@return
annotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.