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efrain |
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<?php
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namespace Aws\Endpoint;
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use JmesPath\Env;
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class PartitionEndpointProvider
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{
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/** @var Partition[] */
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private $partitions;
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/** @var string */
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private $defaultPartition;
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/** @var array */
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private $options;
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/**
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* The 'options' parameter accepts the following arguments:
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*
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* - sts_regional_endpoints: For STS legacy regions, set to 'regional' to
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* use regional endpoints, 'legacy' to use the legacy global endpoint.
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* Defaults to 'legacy'.
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* - s3_us_east_1_regional_endpoint: For S3 us-east-1 region, set to 'regional'
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* to use the regional endpoint, 'legacy' to use the legacy global endpoint.
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* Defaults to 'legacy'.
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*
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* @param array $partitions
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* @param string $defaultPartition
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* @param array $options
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*/
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public function __construct(
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array $partitions,
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$defaultPartition = 'aws',
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$options = []
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) {
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$this->partitions = array_map(function (array $definition) {
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return new Partition($definition);
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}, array_values($partitions));
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$this->defaultPartition = $defaultPartition;
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$this->options = $options;
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}
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public function __invoke(array $args = [])
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{
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$partition = $this->getPartition(
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isset($args['region']) ? $args['region'] : '',
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isset($args['service']) ? $args['service'] : ''
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);
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$args['options'] = $this->options;
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return $partition($args);
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}
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/**
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* Returns the partition containing the provided region or the default
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* partition if no match is found.
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*
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* @param string $region
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* @param string $service
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*
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* @return Partition
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*/
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public function getPartition($region, $service)
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{
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foreach ($this->partitions as $partition) {
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if ($partition->isRegionMatch($region, $service)) {
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return $partition;
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}
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}
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return $this->getPartitionByName($this->defaultPartition);
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}
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/**
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* Returns the partition with the provided name or null if no partition with
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* the provided name can be found.
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*
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* @param string $name
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*
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* @return Partition|null
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*/
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public function getPartitionByName($name)
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{
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foreach ($this->partitions as $partition) {
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if ($name === $partition->getName()) {
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return $partition;
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}
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}
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}
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/**
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* Creates and returns the default SDK partition provider.
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*
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* @param array $options
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* @return PartitionEndpointProvider
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*/
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public static function defaultProvider($options = [])
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{
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$data = \Aws\load_compiled_json(__DIR__ . '/../data/endpoints.json');
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$prefixData = \Aws\load_compiled_json(__DIR__ . '/../data/endpoints_prefix_history.json');
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$mergedData = self::mergePrefixData($data, $prefixData);
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return new self($mergedData['partitions'], 'aws', $options);
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}
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/**
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* Copy endpoint data for other prefixes used by a given service
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*
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* @param $data
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* @param $prefixData
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* @return array
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*/
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public static function mergePrefixData($data, $prefixData)
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{
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$prefixGroups = $prefixData['prefix-groups'];
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foreach ($data["partitions"] as $index => $partition) {
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foreach ($prefixGroups as $current => $old) {
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$serviceData = Env::search("services.\"{$current}\"", $partition);
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if (!empty($serviceData)) {
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foreach ($old as $prefix) {
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if (empty(Env::search("services.\"{$prefix}\"", $partition))) {
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$data["partitions"][$index]["services"][$prefix] = $serviceData;
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}
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}
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}
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}
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}
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return $data;
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}
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}
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