92 lines
2.1 KiB
PHP
92 lines
2.1 KiB
PHP
<?php
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namespace Laravel\SerializableClosure\Serializers;
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use Laravel\SerializableClosure\Contracts\Serializable;
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use Laravel\SerializableClosure\Exceptions\InvalidSignatureException;
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use Laravel\SerializableClosure\Exceptions\MissingSecretKeyException;
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class Signed implements Serializable
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{
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/**
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* The signer that will sign and verify the closure's signature.
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*
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* @var \Laravel\SerializableClosure\Contracts\Signer|null
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*/
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public static $signer;
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/**
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* The closure to be serialized/unserialized.
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*
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* @var \Closure
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*/
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protected $closure;
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/**
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* Creates a new serializable closure instance.
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*
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* @param \Closure $closure
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* @return void
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*/
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public function __construct($closure)
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{
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$this->closure = $closure;
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}
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/**
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* Resolve the closure with the given arguments.
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*
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* @return mixed
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*/
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public function __invoke()
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{
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return call_user_func_array($this->closure, func_get_args());
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}
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/**
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* Gets the closure.
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*
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* @return \Closure
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*/
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public function getClosure()
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{
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return $this->closure;
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}
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/**
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* Get the serializable representation of the closure.
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*
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* @return array
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*/
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public function __serialize()
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{
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if (! static::$signer) {
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throw new MissingSecretKeyException();
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}
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return static::$signer->sign(
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serialize(new Native($this->closure))
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);
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}
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/**
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* Restore the closure after serialization.
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*
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* @param array $signature
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* @return void
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*
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* @throws \Laravel\SerializableClosure\Exceptions\InvalidSignatureException
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*/
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public function __unserialize($signature)
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{
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if (static::$signer && ! static::$signer->verify($signature)) {
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throw new InvalidSignatureException();
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}
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/** @var \Laravel\SerializableClosure\Contracts\Serializable $serializable */
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$serializable = unserialize($signature['serializable']);
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$this->closure = $serializable->getClosure();
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}
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}
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