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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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/**
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* RedirectResponse represents an HTTP response doing a redirect.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class RedirectResponse extends Response
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{
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protected $targetUrl;
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/**
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* Creates a redirect response so that it conforms to the rules defined for a redirect status code.
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*
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* @param string $url The URL to redirect to. The URL should be a full URL, with schema etc.,
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* but practically every browser redirects on paths only as well
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* @param int $status The status code (302 by default)
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* @param array $headers The headers (Location is always set to the given URL)
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*
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* @throws \InvalidArgumentException
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*
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* @see https://tools.ietf.org/html/rfc2616#section-10.3
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*/
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public function __construct(string $url, int $status = 302, array $headers = [])
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{
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parent::__construct('', $status, $headers);
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$this->setTargetUrl($url);
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if (!$this->isRedirect()) {
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throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $status));
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}
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if (301 == $status && !\array_key_exists('cache-control', array_change_key_case($headers, \CASE_LOWER))) {
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$this->headers->remove('cache-control');
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}
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}
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/**
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* Factory method for chainability.
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*
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* @param string $url The URL to redirect to
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*
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* @return static
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*
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* @deprecated since Symfony 5.1, use __construct() instead.
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*/
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public static function create($url = '', int $status = 302, array $headers = [])
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{
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trigger_deprecation('symfony/http-foundation', '5.1', 'The "%s()" method is deprecated, use "new %s()" instead.', __METHOD__, \get_called_class());
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return new static($url, $status, $headers);
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}
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/**
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* Returns the target URL.
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*
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* @return string target URL
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*/
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public function getTargetUrl()
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{
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return $this->targetUrl;
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}
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/**
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* Sets the redirect target of this response.
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*
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* @return $this
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*
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* @throws \InvalidArgumentException
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*/
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public function setTargetUrl(string $url)
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{
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if ('' === $url) {
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throw new \InvalidArgumentException('Cannot redirect to an empty URL.');
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}
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$this->targetUrl = $url;
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$this->setContent(
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sprintf('<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<meta http-equiv="refresh" content="0;url=\'%1$s\'" />
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<title>Redirecting to %1$s</title>
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</head>
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<body>
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Redirecting to <a href="%1$s">%1$s</a>.
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</body>
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</html>', htmlspecialchars($url, \ENT_QUOTES, 'UTF-8')));
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$this->headers->set('Location', $url);
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return $this;
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}
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}
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