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<?php |
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namespace SwooleTW\Http\Websocket\Middleware; |
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use Closure; |
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use Illuminate\Contracts\Encryption\DecryptException; |
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use Illuminate\Contracts\Encryption\Encrypter as EncrypterContract; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Class DecryptCookies |
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*/ |
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class DecryptCookies |
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{ |
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/** |
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* The encrypter instance. |
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* |
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* @var \Illuminate\Contracts\Encryption\Encrypter |
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*/ |
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protected $encrypter; |
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/** |
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* The names of the cookies that should not be encrypted. |
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* |
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* @var array |
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*/ |
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protected $except = []; |
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/** |
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* Indicates if cookies should be serialized. |
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* Serialization is disabled after Laravel 5.6.3 |
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* |
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* @var bool |
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*/ |
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protected static $serialize = false; |
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/** |
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* Create a new CookieGuard instance. |
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* |
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* @param \Illuminate\Contracts\Encryption\Encrypter $encrypter |
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* |
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* @return void |
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*/ |
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public function __construct(EncrypterContract $encrypter) |
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{ |
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$this->encrypter = $encrypter; |
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} |
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/** |
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* Disable encryption for the given cookie name(s). |
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* |
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* @param string|array $name |
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* |
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* @return void |
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*/ |
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public function disableFor($name) |
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{ |
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$this->except = array_merge($this->except, (array) $name); |
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} |
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/** |
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* Handle an incoming request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @param \Closure $next |
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* |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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public function handle($request, Closure $next) |
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{ |
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return $next($this->decrypt($request)); |
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} |
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/** |
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* Decrypt the cookies on the request. |
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* |
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* @param \Symfony\Component\HttpFoundation\Request $request |
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* |
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* @return \Symfony\Component\HttpFoundation\Request |
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*/ |
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protected function decrypt(Request $request) |
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{ |
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foreach ($request->cookies as $key => $cookie) { |
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if ($this->isDisabled($key)) { |
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continue; |
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} |
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try { |
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$request->cookies->set($key, $this->decryptCookie($key, $cookie)); |
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} catch (DecryptException $e) { |
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$request->cookies->set($key, null); |
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} |
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} |
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return $request; |
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} |
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/** |
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* Decrypt the given cookie and return the value. |
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* |
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* @param string $name |
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* @param string|array $cookie |
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* |
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* @return string|array |
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*/ |
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protected function decryptCookie($name, $cookie) |
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{ |
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return is_array($cookie) |
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? $this->decryptArray($cookie) |
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: $this->encrypter->decrypt($cookie, static::serialized($name)); |
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} |
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/** |
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* Decrypt an array based cookie. |
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* |
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* @param array $cookie |
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* |
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* @return array |
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*/ |
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protected function decryptArray(array $cookie) |
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{ |
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$decrypted = []; |
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foreach ($cookie as $key => $value) { |
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if (\is_string($value)) { |
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$decrypted[$key] = $this->encrypter->decrypt($value, static::serialized($key)); |
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} |
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} |
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return $decrypted; |
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} |
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/** |
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* Determine whether encryption has been disabled for the given cookie. |
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* |
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* @param string $name |
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* |
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* @return bool |
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*/ |
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public function isDisabled(string $name) |
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{ |
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return \in_array($name, $this->except); |
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} |
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/** |
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* Determine if the cookie contents should be serialized. |
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* |
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* @param string $name |
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* |
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* @return bool |
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*/ |
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public static function serialized(string $name) |
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{ |
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return static::$serialize; |
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} |
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} |
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swooletw /
laravel-swoole
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.