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1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of the Ivory Http Adapter package. |
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5 | * |
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6 | * (c) Eric GELOEN <[email protected]> |
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7 | * |
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8 | * For the full copyright and license information, please read 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 Ivory\HttpAdapter\Event\Subscriber; |
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13 | |||
14 | use Ivory\HttpAdapter\Event\Cache\CacheInterface; |
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15 | use Ivory\HttpAdapter\Event\Events; |
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16 | use Ivory\HttpAdapter\Event\MultiRequestCreatedEvent; |
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17 | use Ivory\HttpAdapter\Event\MultiRequestErroredEvent; |
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18 | use Ivory\HttpAdapter\Event\MultiRequestSentEvent; |
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19 | use Ivory\HttpAdapter\Event\RequestCreatedEvent; |
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20 | use Ivory\HttpAdapter\Event\RequestErroredEvent; |
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21 | use Ivory\HttpAdapter\Event\RequestSentEvent; |
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22 | use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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23 | |||
24 | /** |
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25 | * @author GeLo <[email protected]> |
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26 | */ |
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27 | class CacheSubscriber implements EventSubscriberInterface |
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28 | { |
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29 | /** |
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30 | * @var CacheInterface |
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31 | */ |
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32 | private $cache; |
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33 | |||
34 | /** |
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35 | * @param CacheInterface $cache |
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36 | */ |
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37 | 108 | public function __construct(CacheInterface $cache) |
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38 | { |
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39 | 108 | $this->setCache($cache); |
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40 | 108 | } |
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41 | |||
42 | /** |
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43 | * @return CacheInterface |
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44 | */ |
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45 | 9 | public function getCache() |
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46 | { |
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47 | 9 | return $this->cache; |
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48 | } |
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49 | |||
50 | /** |
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51 | * @param CacheInterface $cache |
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52 | */ |
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53 | 108 | public function setCache(CacheInterface $cache) |
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54 | { |
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55 | 108 | $this->cache = $cache; |
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56 | 108 | } |
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57 | |||
58 | /** |
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59 | * @param RequestCreatedEvent $event |
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60 | */ |
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61 | 27 | public function onRequestCreated(RequestCreatedEvent $event) |
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62 | { |
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63 | 27 | $request = $event->getRequest(); |
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64 | 27 | $messageFactory = $event->getHttpAdapter()->getConfiguration()->getMessageFactory(); |
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65 | |||
66 | 27 | if (($response = $this->cache->getResponse($request, $messageFactory)) !== null) { |
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67 | 9 | $event->setResponse($response); |
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68 | 25 | } elseif (($exception = $this->cache->getException($request, $messageFactory)) !== null) { |
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69 | 9 | $event->setException($exception); |
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70 | 7 | } |
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71 | 27 | } |
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72 | |||
73 | /** |
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74 | * @param RequestSentEvent $event |
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75 | */ |
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76 | 9 | public function onRequestSent(RequestSentEvent $event) |
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77 | { |
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78 | 9 | $this->cache->saveResponse($event->getResponse(), $event->getRequest()); |
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0 ignored issues
–
show
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79 | 9 | } |
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80 | |||
81 | /** |
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82 | * @param RequestErroredEvent $event |
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83 | */ |
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84 | 9 | public function onRequestErrored(RequestErroredEvent $event) |
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85 | { |
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86 | 9 | $this->cache->saveException($event->getException(), $event->getException()->getRequest()); |
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0 ignored issues
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show
It seems like
$event->getException()->getRequest() can be null ; however, saveException() does not accept null , maybe add an additional type check?
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass|null */
function mayReturnNull() { }
function doesNotAcceptNull(stdClass $x) { }
// With potential error.
function withoutCheck() {
$x = mayReturnNull();
doesNotAcceptNull($x); // Potential error here.
}
// Safe - Alternative 1
function withCheck1() {
$x = mayReturnNull();
if ( ! $x instanceof stdClass) {
throw new \LogicException('$x must be defined.');
}
doesNotAcceptNull($x);
}
// Safe - Alternative 2
function withCheck2() {
$x = mayReturnNull();
if ($x instanceof stdClass) {
doesNotAcceptNull($x);
}
}
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87 | 9 | } |
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88 | |||
89 | /** |
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90 | * @param MultiRequestCreatedEvent $event |
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91 | */ |
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92 | 27 | public function onMultiRequestCreated(MultiRequestCreatedEvent $event) |
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93 | { |
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94 | 27 | $messageFactory = $event->getHttpAdapter()->getConfiguration()->getMessageFactory(); |
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95 | |||
96 | 27 | foreach ($event->getRequests() as $request) { |
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97 | 27 | if (($response = $this->cache->getResponse($request, $messageFactory)) !== null) { |
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98 | 9 | $event->addResponse($response); |
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99 | 9 | $event->removeRequest($request); |
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100 | 25 | } elseif (($exception = $this->cache->getException($request, $messageFactory)) !== null) { |
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101 | 9 | $event->addException($exception); |
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102 | 13 | $event->removeRequest($request); |
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103 | 7 | } |
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104 | 21 | } |
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105 | 27 | } |
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106 | |||
107 | /** |
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108 | * @param MultiRequestSentEvent $event |
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109 | */ |
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110 | 9 | public function onMultiRequestSent(MultiRequestSentEvent $event) |
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111 | { |
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112 | 9 | foreach ($event->getResponses() as $response) { |
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113 | 9 | $this->cache->saveResponse($response, $response->getParameter('request')); |
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114 | 7 | } |
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115 | 9 | } |
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116 | |||
117 | /** |
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118 | * @param MultiRequestErroredEvent $event |
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119 | */ |
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120 | 9 | public function onMultiRequestErrored(MultiRequestErroredEvent $event) |
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121 | { |
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122 | 9 | foreach ($event->getResponses() as $response) { |
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123 | 9 | $this->cache->saveResponse($response, $response->getParameter('request')); |
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124 | 7 | } |
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125 | |||
126 | 9 | foreach ($event->getExceptions() as $exception) { |
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127 | 9 | $this->cache->saveException($exception, $exception->getRequest()); |
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0 ignored issues
–
show
It seems like
$exception->getRequest() can be null ; however, saveException() does not accept null , maybe add an additional type check?
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass|null */
function mayReturnNull() { }
function doesNotAcceptNull(stdClass $x) { }
// With potential error.
function withoutCheck() {
$x = mayReturnNull();
doesNotAcceptNull($x); // Potential error here.
}
// Safe - Alternative 1
function withCheck1() {
$x = mayReturnNull();
if ( ! $x instanceof stdClass) {
throw new \LogicException('$x must be defined.');
}
doesNotAcceptNull($x);
}
// Safe - Alternative 2
function withCheck2() {
$x = mayReturnNull();
if ($x instanceof stdClass) {
doesNotAcceptNull($x);
}
}
Loading history...
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128 | 7 | } |
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129 | 9 | } |
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130 | |||
131 | /** |
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132 | * {@inheritdoc} |
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133 | */ |
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134 | 9 | View Code Duplication | public static function getSubscribedEvents() |
135 | { |
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136 | return [ |
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137 | 9 | Events::REQUEST_CREATED => ['onRequestCreated', -100], |
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138 | 7 | Events::REQUEST_SENT => ['onRequestSent', -100], |
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139 | 7 | Events::REQUEST_ERRORED => ['onRequestErrored', -100], |
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140 | 7 | Events::MULTI_REQUEST_CREATED => ['onMultiRequestCreated', -100], |
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141 | 7 | Events::MULTI_REQUEST_SENT => ['onMultiRequestSent', -100], |
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142 | 7 | Events::MULTI_REQUEST_ERRORED => ['onMultiRequestErrored', -100], |
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143 | 7 | ]; |
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144 | } |
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145 | } |
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146 |
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: