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Edit File : SqsClient.php \| Size : 10.58 KB
<?php namespace Aws\Sqs; use Aws\AwsClient; use Aws\CommandInterface; use Aws\Sqs\Exception\SqsException; use GuzzleHttp\Psr7\Uri; use GuzzleHttp\Psr7\UriResolver; use Psr\Http\Message\RequestInterface; /** * Client used to interact Amazon Simple Queue Service (Amazon SQS) * * @method \Aws\Result addPermission(array $args = []) * @method \GuzzleHttp\Promise\Promise addPermissionAsync(array $args = []) * @method \Aws\Result changeMessageVisibility(array $args = []) * @method \GuzzleHttp\Promise\Promise changeMessageVisibilityAsync(array $args = []) * @method \Aws\Result changeMessageVisibilityBatch(array $args = []) * @method \GuzzleHttp\Promise\Promise changeMessageVisibilityBatchAsync(array $args = []) * @method \Aws\Result createQueue(array $args = []) * @method \GuzzleHttp\Promise\Promise createQueueAsync(array $args = []) * @method \Aws\Result deleteMessage(array $args = []) * @method \GuzzleHttp\Promise\Promise deleteMessageAsync(array $args = []) * @method \Aws\Result deleteMessageBatch(array $args = []) * @method \GuzzleHttp\Promise\Promise deleteMessageBatchAsync(array $args = []) * @method \Aws\Result deleteQueue(array $args = []) * @method \GuzzleHttp\Promise\Promise deleteQueueAsync(array $args = []) * @method \Aws\Result getQueueAttributes(array $args = []) * @method \GuzzleHttp\Promise\Promise getQueueAttributesAsync(array $args = []) * @method \Aws\Result getQueueUrl(array $args = []) * @method \GuzzleHttp\Promise\Promise getQueueUrlAsync(array $args = []) * @method \Aws\Result listDeadLetterSourceQueues(array $args = []) * @method \GuzzleHttp\Promise\Promise listDeadLetterSourceQueuesAsync(array $args = []) * @method \Aws\Result listQueueTags(array $args = []) * @method \GuzzleHttp\Promise\Promise listQueueTagsAsync(array $args = []) * @method \Aws\Result listQueues(array $args = []) * @method \GuzzleHttp\Promise\Promise listQueuesAsync(array $args = []) * @method \Aws\Result purgeQueue(array $args = []) * @method \GuzzleHttp\Promise\Promise purgeQueueAsync(array $args = []) * @method \Aws\Result receiveMessage(array $args = []) * @method \GuzzleHttp\Promise\Promise receiveMessageAsync(array $args = []) * @method \Aws\Result removePermission(array $args = []) * @method \GuzzleHttp\Promise\Promise removePermissionAsync(array $args = []) * @method \Aws\Result sendMessage(array $args = []) * @method \GuzzleHttp\Promise\Promise sendMessageAsync(array $args = []) * @method \Aws\Result sendMessageBatch(array $args = []) * @method \GuzzleHttp\Promise\Promise sendMessageBatchAsync(array $args = []) * @method \Aws\Result setQueueAttributes(array $args = []) * @method \GuzzleHttp\Promise\Promise setQueueAttributesAsync(array $args = []) * @method \Aws\Result tagQueue(array $args = []) * @method \GuzzleHttp\Promise\Promise tagQueueAsync(array $args = []) * @method \Aws\Result untagQueue(array $args = []) * @method \GuzzleHttp\Promise\Promise untagQueueAsync(array $args = []) / class SqsClient extends AwsClient { public function __construct(array $config) { parent::__construct($config); $list = $this->getHandlerList(); $list->appendBuild($this->queueUrl(), 'sqs.queue_url'); $list->appendSign($this->validateMd5(), 'sqs.md5'); } /* * Converts a queue URL into a queue ARN. * * @param string $queueUrl The queue URL to perform the action on. * Retrieved when the queue is first created. * * @return string An ARN representation of the queue URL. / public function getQueueArn($queueUrl) { $queueArn = strtr($queueUrl, [ 'http://' => 'arn:aws:', 'https://' => 'arn:aws:', '.amazonaws.com' => '', '/' => ':', '.' => ':', ]); // Cope with SQS' .fifo / :fifo arn inconsistency if (substr($queueArn, -5) === ':fifo') { $queueArn = substr_replace($queueArn, '.fifo', -5); } return $queueArn; } /* * Moves the URI of the queue to the URI in the input parameter. * * @return callable / private function queueUrl() { return static function (callable $handler) { return function ( CommandInterface $c, RequestInterface $r = null ) use ($handler) { if ($c->hasParam('QueueUrl')) { $r = $r->withUri(UriResolver::resolve( $r->getUri(), new Uri($c['QueueUrl']) )); } return $handler($c, $r); }; }; } /* * Calculates the expected md5 hash of message attributes according to the encoding * scheme detailed in SQS documentation. * * @param array $message Message containing attributes for validation. * Retrieved when using MessageAttributeNames on * ReceiveMessage. * * @return string\|null The md5 hash of the message attributes according to * the encoding scheme. Returns null when there are no * attributes. * @link http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-message-attributes.html#message-attributes-items-validation / private static function calculateMessageAttributesMd5($message) { if (empty($message['MessageAttributes']) \|\| !is_array($message['MessageAttributes']) ) { return null; } ksort($message['MessageAttributes']); $attributeValues = ""; foreach ($message['MessageAttributes'] as $name => $details) { $attributeValues .= self::getEncodedStringPiece($name); $attributeValues .= self::getEncodedStringPiece($details['DataType']); if (substr($details['DataType'], 0, 6) === 'Binary') { $attributeValues .= pack('c', 0x02); $attributeValues .= self::getEncodedBinaryPiece( $details['BinaryValue'] ); } else { $attributeValues .= pack('c', 0x01); $attributeValues .= self::getEncodedStringPiece( $details['StringValue'] ); } } return md5($attributeValues); } private static function calculateBodyMd5($message) { return md5($message['Body']); } private static function getEncodedStringPiece($piece) { $utf8Piece = iconv( mb_detect_encoding($piece, mb_detect_order(), true), "UTF-8", $piece ); return self::getFourBytePieceLength($utf8Piece) . $utf8Piece; } private static function getEncodedBinaryPiece($piece) { return self::getFourBytePieceLength($piece) . $piece; } private static function getFourBytePieceLength($piece) { return pack('N', (int)strlen($piece)); } /* * Validates ReceiveMessage body and message attribute MD5s. * * @return callable */ private function validateMd5() { return static function (callable $handler) { return function ( CommandInterface $c, RequestInterface $r = null ) use ($handler) { if ($c->getName() !== 'ReceiveMessage') { return $handler($c, $r); } return $handler($c, $r) ->then( function ($result) use ($c, $r) { foreach ((array) $result['Messages'] as $msg) { $bodyMd5 = self::calculateBodyMd5($msg); if (isset($msg['MD5OfBody']) && $bodyMd5 !== $msg['MD5OfBody'] ) { throw new SqsException( sprintf( 'MD5 mismatch. Expected %s, found %s', $msg['MD5OfBody'], $bodyMd5 ), $c, [ 'code' => 'ClientChecksumMismatch', 'request' => $r ] ); } if (isset($msg['MD5OfMessageAttributes'])) { $messageAttributesMd5 = self::calculateMessageAttributesMd5($msg); if ($messageAttributesMd5 !== $msg['MD5OfMessageAttributes']) { throw new SqsException( sprintf( 'Attribute MD5 mismatch. Expected %s, found %s', $msg['MD5OfMessageAttributes'], $messageAttributesMd5 ? $messageAttributesMd5 : 'No Attributes' ), $c, [ 'code' => 'ClientChecksumMismatch', 'request' => $r ] ); } } else if (isset($msg['MessageAttributes'])) { throw new SqsException( sprintf( 'No Attribute MD5 found. Expected %s', self::calculateMessageAttributesMd5($msg) ), $c, [ 'code' => 'ClientChecksumMismatch', 'request' => $r ] ); } } return $result; } ); }; }; } } Back

Edit File : SqsClient.php | Size : 10.58 KB

<?php
namespace Aws\Sqs;

use Aws\AwsClient;
use Aws\CommandInterface;
use Aws\Sqs\Exception\SqsException;
use GuzzleHttp\Psr7\Uri;
use GuzzleHttp\Psr7\UriResolver;
use Psr\Http\Message\RequestInterface;

/**
 * Client used to interact Amazon Simple Queue Service (Amazon SQS)
 *
 * @method \Aws\Result addPermission(array $args = [])
 * @method \GuzzleHttp\Promise\Promise addPermissionAsync(array $args = [])
 * @method \Aws\Result changeMessageVisibility(array $args = [])
 * @method \GuzzleHttp\Promise\Promise changeMessageVisibilityAsync(array $args = [])
 * @method \Aws\Result changeMessageVisibilityBatch(array $args = [])
 * @method \GuzzleHttp\Promise\Promise changeMessageVisibilityBatchAsync(array $args = [])
 * @method \Aws\Result createQueue(array $args = [])
 * @method \GuzzleHttp\Promise\Promise createQueueAsync(array $args = [])
 * @method \Aws\Result deleteMessage(array $args = [])
 * @method \GuzzleHttp\Promise\Promise deleteMessageAsync(array $args = [])
 * @method \Aws\Result deleteMessageBatch(array $args = [])
 * @method \GuzzleHttp\Promise\Promise deleteMessageBatchAsync(array $args = [])
 * @method \Aws\Result deleteQueue(array $args = [])
 * @method \GuzzleHttp\Promise\Promise deleteQueueAsync(array $args = [])
 * @method \Aws\Result getQueueAttributes(array $args = [])
 * @method \GuzzleHttp\Promise\Promise getQueueAttributesAsync(array $args = [])
 * @method \Aws\Result getQueueUrl(array $args = [])
 * @method \GuzzleHttp\Promise\Promise getQueueUrlAsync(array $args = [])
 * @method \Aws\Result listDeadLetterSourceQueues(array $args = [])
 * @method \GuzzleHttp\Promise\Promise listDeadLetterSourceQueuesAsync(array $args = [])
 * @method \Aws\Result listQueueTags(array $args = [])
 * @method \GuzzleHttp\Promise\Promise listQueueTagsAsync(array $args = [])
 * @method \Aws\Result listQueues(array $args = [])
 * @method \GuzzleHttp\Promise\Promise listQueuesAsync(array $args = [])
 * @method \Aws\Result purgeQueue(array $args = [])
 * @method \GuzzleHttp\Promise\Promise purgeQueueAsync(array $args = [])
 * @method \Aws\Result receiveMessage(array $args = [])
 * @method \GuzzleHttp\Promise\Promise receiveMessageAsync(array $args = [])
 * @method \Aws\Result removePermission(array $args = [])
 * @method \GuzzleHttp\Promise\Promise removePermissionAsync(array $args = [])
 * @method \Aws\Result sendMessage(array $args = [])
 * @method \GuzzleHttp\Promise\Promise sendMessageAsync(array $args = [])
 * @method \Aws\Result sendMessageBatch(array $args = [])
 * @method \GuzzleHttp\Promise\Promise sendMessageBatchAsync(array $args = [])
 * @method \Aws\Result setQueueAttributes(array $args = [])
 * @method \GuzzleHttp\Promise\Promise setQueueAttributesAsync(array $args = [])
 * @method \Aws\Result tagQueue(array $args = [])
 * @method \GuzzleHttp\Promise\Promise tagQueueAsync(array $args = [])
 * @method \Aws\Result untagQueue(array $args = [])
 * @method \GuzzleHttp\Promise\Promise untagQueueAsync(array $args = [])
 */
class SqsClient extends AwsClient
{
    public function __construct(array $config)
    {
        parent::__construct($config);
        $list = $this->getHandlerList();
        $list->appendBuild($this->queueUrl(), 'sqs.queue_url');
        $list->appendSign($this->validateMd5(), 'sqs.md5');
    }

/**
     * Converts a queue URL into a queue ARN.
     *
     * @param string $queueUrl The queue URL to perform the action on.
     *                         Retrieved when the queue is first created.
     *
     * @return string An ARN representation of the queue URL.
     */
    public function getQueueArn($queueUrl)
    {
        $queueArn = strtr($queueUrl, [
            'http://'        => 'arn:aws:',
            'https://'       => 'arn:aws:',
            '.amazonaws.com' => '',
            '/'              => ':',
            '.'              => ':',
        ]);

// Cope with SQS' .fifo / :fifo arn inconsistency
        if (substr($queueArn, -5) === ':fifo') {
            $queueArn = substr_replace($queueArn, '.fifo', -5);
        }
        return $queueArn;
    }

/**
     * Moves the URI of the queue to the URI in the input parameter.
     *
     * @return callable
     */
    private function queueUrl()
    {
        return static function (callable $handler) {
            return function (
                CommandInterface $c,
                RequestInterface $r = null
            ) use ($handler) {
                if ($c->hasParam('QueueUrl')) {
                    $r = $r->withUri(UriResolver::resolve(
                        $r->getUri(),
                        new Uri($c['QueueUrl'])
                    ));
                }
                return $handler($c, $r);
            };
        };
    }

/**
     * Calculates the expected md5 hash of message attributes according to the encoding
     * scheme detailed in SQS documentation.
     *
     * @param array $message Message containing attributes for validation.
     *                       Retrieved when using MessageAttributeNames on
     *                       ReceiveMessage.
     *
     * @return string|null The md5 hash of the message attributes according to
     *                     the encoding scheme. Returns null when there are no
     *                     attributes.
     * @link http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-message-attributes.html#message-attributes-items-validation
     */
    private static function calculateMessageAttributesMd5($message)
    {
        if (empty($message['MessageAttributes'])
            || !is_array($message['MessageAttributes'])
        ) {
            return null;
        }

ksort($message['MessageAttributes']);
        $attributeValues = "";
        foreach ($message['MessageAttributes'] as $name => $details) {
            $attributeValues .= self::getEncodedStringPiece($name);
            $attributeValues .= self::getEncodedStringPiece($details['DataType']);
            if (substr($details['DataType'], 0, 6) === 'Binary') {
                $attributeValues .= pack('c', 0x02);
                $attributeValues .= self::getEncodedBinaryPiece(
                    $details['BinaryValue']
                );
            } else {
                $attributeValues .= pack('c', 0x01);
                $attributeValues .= self::getEncodedStringPiece(
                    $details['StringValue']
                );
            }
        }

return md5($attributeValues);
    }

private static function calculateBodyMd5($message)
    {
        return md5($message['Body']);
    }

private static function getEncodedStringPiece($piece)
    {
        $utf8Piece = iconv(
            mb_detect_encoding($piece, mb_detect_order(), true),
            "UTF-8",
            $piece
        );
        return self::getFourBytePieceLength($utf8Piece) . $utf8Piece;
    }

private static function getEncodedBinaryPiece($piece)
    {
        return self::getFourBytePieceLength($piece) . $piece;
    }

private static function getFourBytePieceLength($piece)
    {
        return pack('N', (int)strlen($piece));
    }

/**
     * Validates ReceiveMessage body and message attribute MD5s.
     *
     * @return callable
     */
    private function validateMd5()
    {
        return static function (callable $handler) {
            return function (
                CommandInterface $c,
                RequestInterface $r = null
            ) use ($handler) {
                if ($c->getName() !== 'ReceiveMessage') {
                    return $handler($c, $r);
                }

return $handler($c, $r)
                    ->then(
                        function ($result) use ($c, $r) {
                            foreach ((array) $result['Messages'] as $msg) {
                                $bodyMd5 = self::calculateBodyMd5($msg);
                                if (isset($msg['MD5OfBody'])
                                    && $bodyMd5 !== $msg['MD5OfBody']
                                ) {
                                    throw new SqsException(
                                        sprintf(
                                            'MD5 mismatch. Expected %s, found %s',
                                            $msg['MD5OfBody'],
                                            $bodyMd5
                                        ),
                                        $c,
                                        [
                                            'code' => 'ClientChecksumMismatch',
                                            'request' => $r
                                        ]
                                    );
                                }

if (isset($msg['MD5OfMessageAttributes'])) {
                                    $messageAttributesMd5 = self::calculateMessageAttributesMd5($msg);
                                    if ($messageAttributesMd5 !== $msg['MD5OfMessageAttributes']) {
                                        throw new SqsException(
                                            sprintf(
                                                'Attribute MD5 mismatch. Expected %s, found %s',
                                                $msg['MD5OfMessageAttributes'],
                                                $messageAttributesMd5
                                                    ? $messageAttributesMd5
                                                    : 'No Attributes'
                                            ),
                                            $c,
                                            [
                                                'code' => 'ClientChecksumMismatch',
                                                'request' => $r
                                            ]
                                        );
                                    }
                                } else if (isset($msg['MessageAttributes'])) {
                                    throw new SqsException(
                                        sprintf(
                                            'No Attribute MD5 found. Expected %s',
                                            self::calculateMessageAttributesMd5($msg)
                                        ),
                                        $c,
                                        [
                                            'code' => 'ClientChecksumMismatch',
                                            'request' => $r
                                        ]
                                    );
                                }
                            }
                            return $result;
                        }
                    );
            };
        };
    }
}

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