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EndpointRegionHelperTrait.php
107 lines
| 1 | <?php |
| 2 | namespace Aws\S3; |
| 3 | |
| 4 | use Aws\Api\Service; |
| 5 | use Aws\Arn\ArnInterface; |
| 6 | use Aws\Arn\S3\OutpostsArnInterface; |
| 7 | use Aws\Endpoint\PartitionEndpointProvider; |
| 8 | use Aws\Exception\InvalidRegionException; |
| 9 | |
| 10 | /** |
| 11 | * @internal |
| 12 | */ |
| 13 | trait EndpointRegionHelperTrait |
| 14 | { |
| 15 | /** @var array */ |
| 16 | private $config; |
| 17 | |
| 18 | /** @var PartitionEndpointProvider */ |
| 19 | private $partitionProvider; |
| 20 | |
| 21 | /** @var string */ |
| 22 | private $region; |
| 23 | |
| 24 | /** @var Service */ |
| 25 | private $service; |
| 26 | |
| 27 | private function getPartitionSuffix( |
| 28 | ArnInterface $arn, |
| 29 | PartitionEndpointProvider $provider |
| 30 | ) { |
| 31 | $partition = $provider->getPartition( |
| 32 | $arn->getRegion(), |
| 33 | $arn->getService() |
| 34 | ); |
| 35 | return $partition->getDnsSuffix(); |
| 36 | } |
| 37 | |
| 38 | private function getSigningRegion( |
| 39 | $region, |
| 40 | $service, |
| 41 | PartitionEndpointProvider $provider |
| 42 | ) { |
| 43 | $partition = $provider->getPartition($region, $service); |
| 44 | $data = $partition->toArray(); |
| 45 | if (isset($data['services'][$service]['endpoints'][$region]['credentialScope']['region'])) { |
| 46 | return $data['services'][$service]['endpoints'][$region]['credentialScope']['region']; |
| 47 | } |
| 48 | return $region; |
| 49 | } |
| 50 | |
| 51 | private function isMatchingSigningRegion( |
| 52 | $arnRegion, |
| 53 | $clientRegion, |
| 54 | $service, |
| 55 | PartitionEndpointProvider $provider |
| 56 | ) { |
| 57 | $arnRegion = \Aws\strip_fips_pseudo_regions(strtolower($arnRegion)); |
| 58 | $clientRegion = strtolower($clientRegion); |
| 59 | if ($arnRegion === $clientRegion) { |
| 60 | return true; |
| 61 | } |
| 62 | if ($this->getSigningRegion($clientRegion, $service, $provider) === $arnRegion) { |
| 63 | return true; |
| 64 | } |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | private function validateFipsConfigurations(ArnInterface $arn) |
| 69 | { |
| 70 | $useFipsEndpoint = !empty($this->config['use_fips_endpoint']); |
| 71 | if ($arn instanceof OutpostsArnInterface) { |
| 72 | if (empty($this->config['use_arn_region']) |
| 73 | || !($this->config['use_arn_region']->isUseArnRegion()) |
| 74 | ) { |
| 75 | $region = $this->region; |
| 76 | } else { |
| 77 | $region = $arn->getRegion(); |
| 78 | } |
| 79 | if (\Aws\is_fips_pseudo_region($region)) { |
| 80 | throw new InvalidRegionException( |
| 81 | 'Fips is currently not supported with S3 Outposts access' |
| 82 | . ' points. Please provide a non-fips region or do not supply an' |
| 83 | . ' access point ARN.'); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | private function validateMatchingRegion(ArnInterface $arn) |
| 89 | { |
| 90 | if (!($this->isMatchingSigningRegion( |
| 91 | $arn->getRegion(), |
| 92 | $this->region, |
| 93 | $this->service->getEndpointPrefix(), |
| 94 | $this->partitionProvider) |
| 95 | )) { |
| 96 | if (empty($this->config['use_arn_region']) |
| 97 | || !($this->config['use_arn_region']->isUseArnRegion()) |
| 98 | ) { |
| 99 | throw new InvalidRegionException('The region' |
| 100 | . " specified in the ARN (" . $arn->getRegion() |
| 101 | . ") does not match the client region (" |
| 102 | . "{$this->region})."); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 |