56 lines
2.1 KiB
PHP
56 lines
2.1 KiB
PHP
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<?php
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namespace Guzzle\Plugin\Md5;
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use Guzzle\Common\Event;
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use Guzzle\Http\Message\EntityEnclosingRequestInterface;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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/**
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* Listener used to add a ContentMD5 header to the body of a command and adds ContentMD5 validation if the
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* ValidateMD5 option is not set to false on a command
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*/
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class CommandContentMd5Plugin implements EventSubscriberInterface
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{
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/** @var string Parameter used to check if the ContentMD5 value is being added */
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protected $contentMd5Param;
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/** @var string Parameter used to check if validation should occur on the response */
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protected $validateMd5Param;
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/**
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* @param string $contentMd5Param Parameter used to check if the ContentMD5 value is being added
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* @param string $validateMd5Param Parameter used to check if validation should occur on the response
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*/
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public function __construct($contentMd5Param = 'ContentMD5', $validateMd5Param = 'ValidateMD5')
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{
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$this->contentMd5Param = $contentMd5Param;
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$this->validateMd5Param = $validateMd5Param;
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}
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public static function getSubscribedEvents()
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{
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return array('command.before_send' => array('onCommandBeforeSend', -255));
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}
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public function onCommandBeforeSend(Event $event)
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{
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$command = $event['command'];
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$request = $command->getRequest();
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// Only add an MD5 is there is a MD5 option on the operation and it has a payload
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if ($request instanceof EntityEnclosingRequestInterface && $request->getBody()
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&& $command->getOperation()->hasParam($this->contentMd5Param)) {
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// Check if an MD5 checksum value should be passed along to the request
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if ($command[$this->contentMd5Param] === true) {
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$request->setHeader('Content-MD5', $request->getBody()->getContentMd5(true, true));
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}
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}
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// Check if MD5 validation should be used with the response
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if ($command[$this->validateMd5Param] === true) {
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$request->addSubscriber(new Md5ValidatorPlugin(true, false));
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}
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}
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}
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