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PATH: home / shotlining / public_html / wp-content / plugins / w3-total-cache / vendor / aws / aws-sdk-php / src

<?php
namespace Aws;

use Aws\Api\Service;
use Psr\Http\Message\RequestInterface;

/**
 * @internal Middleware that auto fills parameters with `idempotencyToken` trait
 */
class IdempotencyTokenMiddleware
{
    /** @var Service */
    private $service;
    /** @var string */
    private $bytesGenerator;
    /** @var callable */
    private $nextHandler;

/**
     * Creates a middleware that populates operation parameter
     * with trait 'idempotencyToken' enabled with a random UUIDv4
     *
     * One of following functions needs to be available
     * in order to generate random bytes used for UUID
     * (SDK will attempt to utilize function in following order):
     *  - random_bytes (requires PHP 7.0 or above) 
     *  - openssl_random_pseudo_bytes (requires 'openssl' module enabled)
     *  - mcrypt_create_iv (requires 'mcrypt' module enabled)
     *
     * You may also supply a custom bytes generator as an optional second
     * parameter.
     *
     * @param \Aws\Api\Service $service
     * @param callable|null $bytesGenerator
     *
     * @return callable
     */
    public static function wrap(
        Service $service,
        ?callable $bytesGenerator = null
    ) {
        return function (callable $handler) use ($service, $bytesGenerator) {
            return new self($handler, $service, $bytesGenerator);
        };
    }

public function __construct(
        callable $nextHandler,
        Service $service,
        ?callable $bytesGenerator = null
    ) {
        $this->bytesGenerator = $bytesGenerator
            ?: $this->findCompatibleRandomSource();
        $this->service = $service;
        $this->nextHandler = $nextHandler;
    }

public function __invoke(
        CommandInterface $command,
        ?RequestInterface $request = null
    ) {
        $handler = $this->nextHandler;
        if ($this->bytesGenerator) {
            $operation = $this->service->getOperation($command->getName());
            $members = $operation->getInput()->getMembers();
            foreach ($members as $member => $value) {
                if ($value['idempotencyToken']) {
                    $bytes = call_user_func($this->bytesGenerator, 16);
                    // populating UUIDv4 only when the parameter is not set
                    $command[$member] = $command[$member]
                        ?: $this->getUuidV4($bytes);
                    // only one member could have the trait enabled
                    break;
                }
            }
        }
        return $handler($command, $request);
    }

/**
     * This function generates a random UUID v4 string,
     * which is used as auto filled token value.
     *
     * @param string $bytes 16 bytes of pseudo-random bytes
     * @return string
     * More information about UUID v4, see:
     * https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_.28random.29
     * https://tools.ietf.org/html/rfc4122#page-14
     */
    private static function getUuidV4($bytes)
    {
        // set version to 0100
        $bytes[6] = chr(ord($bytes[6]) & 0x0f | 0x40);
        // set bits 6-7 to 10
        $bytes[8] = chr(ord($bytes[8]) & 0x3f | 0x80);
        return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($bytes), 4));
    }

/**
     * This function decides the PHP function used in generating random bytes.
     *
     * @return callable|null
     */
    private function findCompatibleRandomSource()
    {
        if (function_exists('random_bytes')) {
            return 'random_bytes';
        }

if (function_exists('openssl_random_pseudo_bytes')) {
            return 'openssl_random_pseudo_bytes';
        }

if (function_exists('mcrypt_create_iv')) {
            return 'mcrypt_create_iv';
        }
    }
}

[+] ..
[+] Pinpoint
[+] Chime
[+] WellArchitected
[+] Health
[-] IdempotencyTokenMiddleware.php [edit]
[+] Handler
[+] Ssm
[+] SecurityHub
[+] BedrockAgentRuntime
[+] EventBridge
[+] SageMakerGeospatial
[+] DefaultsMode
[+] ResourceGroupsTaggingAPI
[+] WAFV2
[+] Identity
[+] Route53
[+] Sfn
[+] Exception
[+] ivschat
[+] S3
[-] MultiRegionClient.php [edit]
[+] Route53Resolver
[+] ConnectCampaignService
[+] MigrationHubStrategyRecommendations
[+] Sns
[+] Ses
[+] WafRegional
[+] QuickSight
[+] Sts
[+] CloudFormation
[+] Route53RecoveryControlConfig
[+] WorkDocs
[+] PinpointSMSVoiceV2
[+] DeviceFarm
[+] CleanRoomsML
[+] CognitoIdentity
[+] drs
[-] Result.php [edit]
[+] Ecs
[-] ClientResolver.php [edit]
[+] DataSync
[+] EndpointV2
[+] ForecastService
[+] ConnectCases
[+] IoTThingsGraph
[+] TaxSettings
[+] Route53RecoveryReadiness
[+] AppSync
[+] Greengrass
[+] AppConfigData
[+] ChimeSDKVoice
[+] BedrockDataAutomationRuntime
[+] MWAA
[+] DSQL
[+] BCMPricingCalculator
[+] MarketplaceReporting
[+] BedrockDataAutomation
[+] signer
[+] NeptuneGraph
[+] ApplicationSignals
[+] LookoutforVision
[+] Translate
[+] PrivateNetworks
[+] CodePipeline
[+] Iot
[+] SupplyChain
[+] BackupSearch
[+] RedshiftServerless
[+] PcaConnectorAd
[+] CloudWatchRUM
[+] ApiGatewayManagementApi
[+] FraudDetector
[+] EMRServerless
[+] Comprehend
[+] LexRuntimeV2
[+] LexRuntimeService
[+] AmplifyBackend
[+] SnowDeviceManagement
[+] OAM
[+] Route53Domains
[+] Ecr
[+] Bedrock
[+] Omics
[+] PinpointSMSVoice
[+] Lightsail
[+] RAM
[+] CodeCommit
[-] CommandPool.php [edit]
[+] TimestreamWrite
[+] Schemas
[+] Pipes
[-] AwsClient.php [edit]
[+] CloudControlApi
[-] AbstractConfigurationProvider.php [edit]
[+] DatabaseMigrationService
[-] InputValidationMiddleware.php [edit]
[-] MockHandler.php [edit]
[+] ApplicationAutoScaling
[+] EMRContainers
[+] ComprehendMedical
[+] CloudFront
[+] Shield
[+] NetworkFlowMonitor
[+] WorkMail
[+] MediaConnect
[+] KinesisVideoMedia
[+] IVS
[+] ConnectWisdomService
[+] ResourceGroups
[+] CodeStarconnections
[+] LaunchWizard
[+] EKS
[+] LicenseManager
[+] SageMakerRuntime
[+] GeoRoutes
[+] AutoScaling
[+] CostExplorer
[+] VerifiedPermissions
[+] finspace
[+] Emr
[+] Panorama
[+] FMS
[-] TraceMiddleware.php [edit]
[+] NotificationsContacts
[+] Appstream
[+] BackupGateway
[-] AwsClientInterface.php [edit]
[+] MedicalImaging
[-] HasDataTrait.php [edit]
[+] Proton
[+] Notifications
[+] ServiceQuotas
[+] MarketplaceEntitlementService
[-] ResultPaginator.php [edit]
[-] QueryCompatibleInputMiddleware.php [edit]
[+] MainframeModernization
[+] OpsWorksCM
[+] CodeBuild
[+] imagebuilder
[+] ElasticTranscoder
[+] Budgets
[+] IoTSecureTunneling
[+] Route53RecoveryCluster
[+] AppMesh
[-] RetryMiddlewareV2.php [edit]
[+] Multipart
[+] IoTDeviceAdvisor
[+] Waf
[+] Polly
[+] FSx
[+] CloudFrontKeyValueStore
[+] Inspector2
[+] XRay
[-] LruArrayCache.php [edit]
[+] KinesisVideoSignalingChannels
[+] Athena
[+] ConnectCampaignsV2
[+] InspectorScan
[+] WorkMailMessageFlow
[+] AmplifyUIBuilder
[+] ApiGatewayV2
[+] PaymentCryptography
[+] EBS
[+] Billing
[+] Endpoint
[-] Waiter.php [edit]
[+] MediaLive
[+] SecretsManager
[+] LakeFormation
[+] ServerlessApplicationRepository
[+] FIS
[+] Macie2
[+] RedshiftDataAPIService
[-] MonitoringEventsInterface.php [edit]
[+] Credentials
[+] ResourceExplorer2
[+] PartnerCentralSelling
[+] MigrationHub
[+] MarketplaceCommerceAnalytics
[+] MTurk
[-] RetryMiddleware.php [edit]
[+] IoTEventsData
[+] KinesisVideoWebRTCStorage
[+] MediaStore
[+] Amplify
[+] BillingConductor
[+] Kms
[+] CognitoSync
[+] Efs
[+] WorkSpacesThinClient
[+] DAX
[+] CloudWatchLogs
[+] ChimeSDKMessaging
[+] Rekognition
[+] EKSAuth
[+] ChimeSDKIdentity
[+] RolesAnywhere
[+] CodeConnections
[+] CostOptimizationHub
[+] ForecastQueryService
[+] GeoMaps
[+] CodeStarNotifications
[+] ApplicationCostProfiler
[+] LicenseManagerUserSubscriptions
[+] StorageGateway
[-] functions.php [edit]
[+] GlueDataBrew
[+] Iam
[+] Glacier
[+] CodeGuruSecurity
[+] BCMDataExports
[+] AppRunner
[+] Batch
[+] Swf
[+] MediaTailor
[+] KendraRanking
[+] SSO
[+] PersonalizeEvents
[+] EC2InstanceConnect
[+] DataZone
[+] MediaStoreData
[+] IoTEvents
[+] PCS
[-] EndpointParameterMiddleware.php [edit]
[-] HasMonitoringEventsTrait.php [edit]
[+] SavingsPlans
[+] SSMContacts
[-] Middleware.php [edit]
[+] Rds
[+] AppTest
[+] Sqs
[+] IotDataPlane
[+] ControlTower
[+] CloudHsm
[+] CodeCatalyst
[-] RequestCompressionMiddleware.php [edit]
[+] IoTFleetWise
[+] VPCLattice
[+] Lambda
[+] FreeTier
[+] SSMIncidents
[+] MediaConvert
[+] IoTTwinMaker
[+] ImportExport
[+] SageMakerFeatureStoreRuntime
[+] DataExchange
[+] PI
[+] CodeDeploy
[+] ACMPCA
[-] CacheInterface.php [edit]
[+] Synthetics
[-] StreamRequestPayloadMiddleware.php [edit]
[+] ConnectParticipant
[+] OpsWorks
[+] DocDBElastic
[+] ElasticLoadBalancing
[+] KinesisAnalytics
[+] CloudSearch
[-] MetricsBuilder.php [edit]
[+] CloudTrail
[+] ElasticBeanstalk
[+] IoTAnalytics
[+] MarketplaceAgreement
[-] CommandInterface.php [edit]
[-] PresignUrlMiddleware.php [edit]
[+] Transfer
[+] EndpointDiscovery
[+] Backup
[+] ConfigService
[+] ManagedBlockchain
[+] Firehose
[+] SSMQuickSetup
[+] Arn
[+] PersonalizeRuntime
[+] GuardDuty
[-] Psr16CacheAdapter.php [edit]
[+] Textract
[+] KafkaConnect
[+] SimSpaceWeaver
[+] Detective
[+] GreengrassV2
[+] SsmSap
[+] Account
[+] ElasticsearchService
[+] KinesisVideo
[+] QApps
[+] AutoScalingPlans
[+] MediaPackage
[+] AuditManager
[+] TimestreamInfluxDB
[+] MediaPackageV2
[+] Redshift
[+] IoTSiteWise
[+] B2bi
[+] SupportApp
[+] ComputeOptimizer
[+] ResilienceHub
[+] Crypto
[+] ApiGateway
[+] CloudHSMV2
[+] MemoryDB
[+] ManagedGrafana
[-] JsonCompiler.php [edit]
[+] ManagedBlockchainQuery
[+] ObservabilityAdmin
[+] AppRegistry
[+] LexModelsV2
[-] AwsClientTrait.php [edit]
[+] LicenseManagerLinuxSubscriptions
[+] GroundStation
[+] MigrationHubRefactorSpaces
[+] NetworkManager
[+] Route53Profiles
[+] IVSRealTime
[+] Invoicing
[+] Support
[+] CodeGuruProfiler
[+] MachineLearning
[+] S3Tables
[+] ChimeSDKMeetings
[+] TrustedAdvisor
[+] AccessAnalyzer
[+] ServiceCatalog
[+] Ec2
[+] IoTFleetHub
[+] WorkSpacesWeb
[+] LocationService
[+] Deadline
[+] Neptune
[+] DynamoDb
[-] ResultInterface.php [edit]
[+] Appflow
[+] SnowBall
[+] EntityResolution
[+] WorkSpaces
[+] TranscribeService
[+] MQ
[+] Inspector
[-] History.php [edit]
[+] ConnectContactLens
[+] IoTJobsDataPlane
[+] KinesisVideoArchivedMedia
[+] DLM
[+] ApplicationInsights
[+] ElastiCache
[+] Configuration
[+] VoiceID
[+] SecurityLake
[+] LookoutEquipment
[-] ConfigurationProviderInterface.php [edit]
[+] Artifact
[+] ClientSideMonitoring
[+] QConnect
[+] MarketplaceMetering
[+] PaymentCryptographyData
[+] Neptunedata
[+] AppConfig
[+] ServiceDiscovery
[+] mgn
[+] NetworkMonitor
[+] CustomerProfiles
[+] Auth
[+] BedrockAgent
[+] RoboMaker
[+] MarketplaceDeployment
[+] SSOAdmin
[+] DataPipeline
[+] DevOpsGuru
[+] Repostspace
[+] Glue
[+] SageMakerMetrics
[+] LexModelBuildingService
[+] Pricing
[+] S3Outposts
[+] ChimeSDKMediaPipelines
[-] HandlerList.php [edit]
[+] ApplicationDiscoveryService
[+] RDSDataService
[+] SagemakerEdgeManager
[+] AppFabric
[+] QLDBSession
[-] Sdk.php [edit]
[+] AugmentedAIRuntime
[+] CloudSearchDomain
[+] CostandUsageReportService
[+] Personalize
[+] Api
[+] Braket
[+] DirectoryService
[+] DynamoDbStreams
[+] SesV2
[+] Retry
[+] Sms
[+] Tnb
[+] Token
[+] QBusiness
[-] HashingStream.php [edit]
[-] PhpHash.php [edit]
[+] Kinesis
[+] Script
[-] PsrCacheAdapter.php [edit]
[-] ResponseContainerInterface.php [edit]
[+] CloudWatchEvents
[+] SSOOIDC
[-] WrappedHttpHandler.php [edit]
[+] ARCZonalShift
[+] Keyspaces
[-] HashInterface.php [edit]
[-] UserAgentMiddleware.php [edit]
[+] CodeGuruReviewer
[+] Organizations
[+] OpenSearchServerless
[+] KinesisAnalyticsV2
[+] OSIS
[+] TimestreamQuery
[+] NetworkFirewall
[+] MarketplaceCatalog
[+] ElasticLoadBalancingV2
[+] PrometheusService
[+] CodeArtifact
[+] Outposts
[+] IdentityStore
[+] Cloud9
[+] FinSpaceData
[+] PinpointEmail
[+] SageMaker
[+] S3Control
[+] Chatbot
[+] OpenSearchService
[+] InternetMonitor
[+] GlobalAccelerator
[-] Command.php [edit]
[+] PcaConnectorScep
[+] Acm
[+] LookoutMetrics
[+] Scheduler
[+] ElasticInference
[+] QLDB
[+] CloudTrailData
[+] kendra
[+] data
[+] SecurityIR
[+] GeoPlaces
[+] BedrockRuntime
[+] MailManager
[-] DoctrineCacheAdapter.php [edit]
[+] MediaPackageVod
[+] RecycleBin
[+] CognitoIdentityProvider
[+] CleanRooms
[+] MigrationHubConfig
[+] CloudWatchEvidently
[+] DocDB
[+] ECRPublic
[+] Signature
[+] GameLift
[+] Connect
[+] IoTWireless
[+] Kafka
[+] CloudWatch
[+] ControlCatalog
[+] CloudDirectory
[+] SocialMessaging
[+] DirectConnect
[+] MigrationHubOrchestrator
[+] HealthLake
[+] AppIntegrationsService
[+] DirectoryServiceData