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1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of the FOSHttpCacheBundle package. |
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5 | * |
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6 | * (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace FOS\HttpCacheBundle\EventListener; |
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13 | |||
14 | use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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15 | use Symfony\Component\HttpFoundation\Cookie; |
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16 | use Symfony\Component\HttpFoundation\ResponseHeaderBag; |
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17 | use Symfony\Component\HttpFoundation\Session\Session; |
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18 | use Symfony\Component\HttpKernel\Event\FilterResponseEvent; |
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19 | use Symfony\Component\HttpKernel\Event\ResponseEvent; |
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20 | use Symfony\Component\HttpKernel\HttpKernel; |
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21 | use Symfony\Component\HttpKernel\Kernel; |
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22 | use Symfony\Component\HttpKernel\KernelEvents; |
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23 | use Symfony\Component\OptionsResolver\OptionsResolver; |
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24 | |||
25 | 1 | View Code Duplication | if (Kernel::MAJOR_VERSION >= 5) { |
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26 | 1 | class_alias(ResponseEvent::class, 'FOS\HttpCacheBundle\EventListener\FlashMessageResponseEvent'); |
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27 | } else { |
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28 | class_alias(FilterResponseEvent::class, 'FOS\HttpCacheBundle\EventListener\FlashMessageResponseEvent'); |
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29 | } |
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30 | |||
31 | /** |
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32 | * This event handler reads all flash messages and moves them into a cookie. |
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33 | * |
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34 | * @author Lukas Kahwe Smith <[email protected]> |
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35 | */ |
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36 | final class FlashMessageListener implements EventSubscriberInterface |
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37 | { |
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38 | /** |
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39 | * @var array |
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40 | */ |
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41 | private $options; |
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42 | |||
43 | /** |
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44 | * @var Session |
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45 | */ |
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46 | private $session; |
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47 | |||
48 | /** |
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49 | * @param Session $session A session instance |
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50 | */ |
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51 | public function __construct($session, array $options = []) |
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52 | 20 | { |
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53 | $this->session = $session; |
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54 | 20 | ||
55 | $resolver = new OptionsResolver(); |
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56 | 20 | $resolver->setRequired(['name', 'path', 'host', 'secure']); |
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57 | 20 | $resolver->setAllowedTypes('name', 'string'); |
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58 | 20 | $resolver->setAllowedTypes('path', 'string'); |
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59 | 20 | $resolver->setAllowedTypes('host', ['string', 'null']); |
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60 | 20 | $resolver->setAllowedTypes('secure', 'bool'); |
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61 | 20 | $this->options = $resolver->resolve($options); |
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62 | 20 | } |
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63 | 20 | ||
64 | /** |
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65 | * {@inheritdoc} |
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66 | */ |
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67 | public static function getSubscribedEvents() |
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68 | 2 | { |
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69 | return [ |
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70 | KernelEvents::RESPONSE => 'onKernelResponse', |
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71 | 2 | ]; |
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72 | } |
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73 | |||
74 | /** |
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75 | * Moves flash messages from the session to a cookie inside a Response Kernel listener. |
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76 | */ |
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77 | public function onKernelResponse(FlashMessageResponseEvent $event) |
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78 | 19 | { |
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79 | if (HttpKernel::MASTER_REQUEST !== $event->getRequestType()) { |
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80 | 19 | return; |
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81 | 1 | } |
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82 | |||
83 | // Flash messages are stored in the session. If there is none, there |
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84 | // can't be any flash messages in it. $session->getFlashBag() would |
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85 | // create a session, we need to avoid that. |
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86 | if (!$this->session->isStarted()) { |
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87 | 19 | return; |
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88 | 15 | } |
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89 | |||
90 | $flashBag = $this->session->getFlashBag(); |
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91 | 4 | $flashes = $flashBag->all(); |
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92 | 4 | ||
93 | if (empty($flashes)) { |
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94 | 4 | return; |
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95 | 3 | } |
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96 | |||
97 | $response = $event->getResponse(); |
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98 | 1 | ||
99 | $cookies = $response->headers->getCookies(ResponseHeaderBag::COOKIES_ARRAY); |
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100 | 1 | $host = (null === $this->options['host']) ? '' : $this->options['host']; |
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101 | 1 | if (isset($cookies[$host][$this->options['path']][$this->options['name']])) { |
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102 | 1 | $rawCookie = $cookies[$host][$this->options['path']][$this->options['name']]->getValue(); |
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103 | $flashes = array_merge($flashes, json_decode($rawCookie)); |
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104 | } |
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105 | |||
106 | $cookie = new Cookie( |
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107 | 1 | $this->options['name'], |
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108 | 1 | json_encode($flashes), |
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109 | 1 | 0, |
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110 | 1 | $this->options['path'], |
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111 | 1 | $this->options['host'], |
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112 | 1 | $this->options['secure'], |
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113 | 1 | false |
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114 | 1 | ); |
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115 | |||
116 | $response->headers->setCookie($cookie); |
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117 | 1 | } |
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118 | } |
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119 |
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.